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Electrical Computers And Digital Processing Systems: Support > Multiple Computer Communication Using Cryptography > Particular Communication Authentication Technique > Authentication By Digital Signature Representation Or Digital Watermark

Authentication By Digital Signature Representation Or Digital Watermark

Authentication By Digital Signature Representation Or Digital Watermark patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

11/22/07 - 20070271463 - Trusted and secure techniques for item delivery and execution
Documents and other items can be delivered electronically from sender to recipient with a level of trustedness approaching or exceeding that provided by a personal document courier. A trusted electronic go-between can validate, witness and/or archive transactions while, in some cases, actively participating in or directing the transaction. Printed or ...

11/22/07 - 20070271462 - Method to control access between network endpoints based on trust scores calculated from information system component analysis
Signatures are generated for modules in a computer system. The signatures can be assembled into an integrity log. The signatures are compared with signatures in a database in an integrity validator. Once signatures are either validated or invalidated, a trust score can be generated. The trust score can then be ...

11/15/07 - 20070266255 - Identification information embedding apparatus and identification information analysis apparatus
An identification information apparatus detects first and second boundary position information representing boundary positions on a high-order bit side and a low-order bit side of codes formed of components, extracts a colluder group matching with a set of the first and second boundary position information among colluder groups including combinations ...

11/15/07 - 20070266252 - Authenticating metadata and embedding metadata in watermarks of media signals
A method of associating metadata with a media signal receives an identifier for the media signal, uses the identifier to look up metadata in a metadata database, validates the metadata by checking attributes of the media signal relative to at least a portion of the metadata to provide validated metadata; ...

11/15/07 - 20070266251 - Circuit arrangement and method for securing communication within communication networks
In one aspect, a circuit arrangement and associated method for the authentication of a network subscriber is provided. A digital certificate is stored as a resource in the P2P network. The data can then be provided for the other network subscriber, when the network subscriber(s) are offline or can not ...

11/15/07 - 20070266250 - Mobile data transmission method and system
In a method for transmitting data between a mobile device, in particular a vehicle, and a data center at least temporarily remote from the first device, wherein data transmission takes place via at least one mobile first transmitter device, and comprises the transmitted data, are authenticated by a cryptographic technique. ...

11/01/07 - 20070255956 - Identification information embedding apparatus and identification information analysis apparatus
An identification information apparatus detects first and second boundary position information representing boundary positions on a high-order bit side and a low-order bit side of codes formed of components, extracts a colluder group matching with a set of the first and second boundary position information among colluder groups including combinations ...

10/25/07 - 20070250716 - Fingerprinting of media signals
The present invention relates generally to fingerprinting, e.g., a reduced-bit representation or other identifier of a media signal (e.g., audio, video or still images). One method recites: receiving a partial fingerprint of a media signal, wherein the partial fingerprint is derived from the media signal itself, the partial fingerprint being ...

10/25/07 - 20070250715 - File sharing control using digital watermarks
Systems, methods, and software products are disclosed that control file sharing of copyright protected electronic files over a communication network. A digital watermark in an electronic file includes information on content servers that are authorized to download to the electronic file to a requesting party. When the electronic file is ...

10/18/07 - 20070245146 - Apparatus and method for securely realizing cooperative processing
A device for facilitating verification of an electronic signature in an exchange of instructions between an in-house server and an outside server. Each server which is to execute a partial process of a cooperative service has, in a key storage unit (206), secret keys corresponding to public key certificates issued ...

10/18/07 - 20070245145 - Image processing apparatus capable of authenticating document
An image processing apparatus is disclosed including a document data analysis unit and an authentication unit. The document data analysis unit can identify policy data related to the authentication of a document based on information related to a document and/or the type of the document, identify items in document data ...

10/04/07 - 20070234058 - System and method for authenticating products
A method of authenticating a product is provided. The product has an associated electronic device, such as an RFID circuit. The method measures a physical attribute of the product, such as a laser speckle, and stores the measurement as a product signature, either in the RFID circuit or remotely. At ...

09/27/07 - 20070226509 - Authentication device, authentication method, authentication program and computer readable recording medium
An authentication device having high resistance to spoofing is provided. The portable telephone includes a camera of imaging the face of the person to be authenticated, an imaging direction comparing unit of determining whether or not the face of the person to be authenticated is imaged from diagonally below, and ...

09/27/07 - 20070226508 - Systems and methods for subscriber authentication
Systems and methods for authenticating subscribers of video signals are disclosed. In accordance with the various embodiments, a subscriber authentication system includes an encoder coupled to a source of video signals and a source of subscriber data. The encoder generates encoded video signals having at least a portion of the ...

09/27/07 - 20070226507 - Method and system for depositing digital works, a corresponding computer program, and a corresponding computer-readable storage medium
A method and a system for depositing digital works and a corresponding computer program and a corresponding computer-readable storage medium are disclosed, which can be used for depositing digital works under the auspices of an attorney or notary via an encrypted communication link in the Internet. According to the disclosed ...

09/27/07 - 20070226506 - Optimization methods for the insertion, protection, and detection of digital watermarks in digital data
Disclosed herein are methods and systems for encoding digital watermarks into content signals. Also disclosed are systems and methods for detecting and/or verifying digital watermarks in content signals. According to one embodiment, a system for encoding of digital watermark information includes: a window identifier for identifying a sample window in ...

09/27/07 - 20070226505 - Method of using signatures for measurement in a trusted computing environment
Verification of an encrypted blob of data passed to a sealed storage function in a trusted platform module (TPM) of a computing platform by a software component, may be accomplished by receiving the encrypted blob of data and a digital signature for each of a set of platform configuration register ...

09/27/07 - 20070226504 - Signature match processing in a document registration system
A document accessible over a network can be registered. A registered document, and the content contained therein, is not transmitted undetected over and off of the network. Signatures for registered documents are compared to signatures of objects being transmitted on the network to determine if the objects contain registered content. ...

09/20/07 - 20070220267 - Authentication device, authentication method, authentication program and computer readable recording medium
An authentication device having high resistance to spoofing is provided. A portable telephone includes a camera, which is switched between a close up mode enabling photographing at close up and a normal photography mode, for imaging the person to be authenticated; an examining section for detecting whether or not the ...

09/20/07 - 20070220265 - Searching for a scaling factor for watermark detection
There is provided a watermark detector (20) including an input for receiving an input signal (Y′) including watermark content (W) to be searched. A first processor (40) of the detector (20) is operable to analyse portions (100, 110, 120) of the signal (Y′) to identify corresponding sets of characteristic properties ...

09/20/07 - 20070220264 - Automated method, system, and program for aiding in product compliance and adherence
The disclosed subject matter can determine the information to be communicated to the third party from the client. The third parties are instructed to contact the service provider to collect their contact information. The contact information collected is sued as a basis for follow up calls to insure compliance and ...

09/20/07 - 20070220261 - Optimized integrity verification procedures
Some embodiments of the invention provide a method of verifying the integrity of digital content. At a source of the digital content, the method generates a signature for the digital content by applying a hashing function to a particular portion of the digital content, where the particular portion is less ...

09/20/07 - 20070220260 - Protecting the integrity of electronically derivative works
Systems and methods provide a mechanism to protect the integrity of electronically derivative works. One aspect of the systems and methods includes receiving an original document including a first digital signature. After the document is derived, a second digital signature is created. The second digital signature may include the first ...

09/20/07 - 20070220259 - Verification of electronic signatures
A system verifies an electronic signature. The electronic signature may be associated with timestamps, each including a time value. A timestamp verification module detects invalid certificates in a certificate chain of the electronic signature and records an earliest invalidity time value of the invalid certificates. The verification module also verifies ...

09/13/07 - 20070214362 - System and method for trusted communication
A method of establishing a trusted path of data and a method of verifying the integrity of data presented for signing to a user of the personalized device in a public-key cryptographic scheme. The method comprises establishing a trusted path between the user and secure module residing on the personalized ...

09/06/07 - 20070208945 - Automated method, system, and program for aiding in strategic marketing
The disclosed subject matter is a method and system for marketing a client's product for an alternative purpose. The information about the alternative purpose of the product is collected and input into an automated system. The method and system then informs third parties about the client's product along with suggested ...

09/06/07 - 20070208944 - Generation of electronic signatures
A generator uses a robust programming framework to create an electronic signature in association with a data item, wherein the electronic signature includes time stamps and/or countersignatures. The generator can create a signature object that computes a signature value of the electronic signature based on the data item. The generator ...

09/06/07 - 20070208943 - Tool for digitally signing multiple documents
A software tool for digitally signing multiple documents is disclosed. When a user wishes to sign multiple documents containing embedded executable code for purposes of authenticating the code, the user launches this software tool. The user specifies the documents which he or she wishes signed. Thereupon, the tool automatically signs ...

08/30/07 - 20070204165 - Techniques for digital signature formation and verification
Techniques are provided for forming a digital signature for a portion of a document. A registered module is invoked to process the document in accordance with a structured format associated with the document. The registered module is able to process a plurality of different structured format. The registered module obtains ...

08/30/07 - 20070204164 - Method and apparatus for authenticating printed documents
A method of authenticating a document, typically a printed document, is disclosed. The method comprises: (a) processing a first area of a source document according to a first authentication level to generate first authentication data; (b) processing a second area of the source document according to a second authentication level ...

08/30/07 - 20070204162 - Safeguarding private information through digital watermarking
The present invention relates generally to digital watermarking and steganography. In one implementation, a method includes receiving permuted or encrypted data generated at a remote computing device, wherein the received data is encrypted or permuted according to a key carried by a digital watermark embedded in a security document; determining ...

08/23/07 - 20070198841 - Trusted code groups
Described are techniques and mechanisms for enforcing trust between an application and a library loaded by the application. Very generally stated, the application declares one or more trusted code groups (“TCGs”) of which a library must be a member to be authorized for execution with the application. Libraries that are ...

08/23/07 - 20070198840 - System and method for digitally certifying and checking data of a project
A system for digitally certifying and checking data of a project is provided. The system includes a web server (10), an application (20) server, and a validation server (30). The web server is configured for visiting and operating the application server. The application server is configured for uploading data related ...

08/23/07 - 20070198839 - Program substitution
Multiple keys are distributed to multiple clients. The keys provide access to media content. A group of clients are identified to receive substituted media content during a predetermined time period. Modified keys are generated that identify the substituted media content and the predetermined time period. The modified keys are distributed ...

08/23/07 - 20070198838 - Unauthorized contents detection system
Processing load on an executing device for conducting playback is high during the playback of contents since the executing device performs verification of the contents validity in parallel with the contents playback, and therefore the executing device has to be equipped with a highly efficient processor. The present invention reduces ...

08/16/07 - 20070192612 - Image data processing apparatus, image data processing method, program and recording medium
Disclosed is an-image data processing apparatus including: an authentication section which authenticates a user who uses at least a part of the image data processing apparatus, based on inputted authentication information and previously set authentication information; and a controlling section which attaches the previously set authentication information as information to ...

08/16/07 - 20070192611 - Technique for providing secure firmware
A technique to verify firmware. One embodiment of the invention uses a processor's micro-code to verify a system's firmware, such that the firmware can be included in a trusted chain of code along with the operating system. ...

08/16/07 - 20070192610 - Method and apparatus for securely booting from an external storage device
Techniques to securely boot up an electronics device (e.g., a cellular phone) from an external storage device are described. Secure data (e.g., a hash digest, a signature, a cryptographic key, and so on) is initially retrieved from a non-writable area of an external memory device (e.g., an one-time programmable (OTP) ...

08/16/07 - 20070192609 - Electronic image data verification program, electronic image data verification system, and electronic image data verification method
An electronic image data verification program disclosed herein is capable of detecting presence or absence of a change, specifying a changed portion (the position of a change) if present, and making the presence or absence and the changed portion provable to third parties, by generating partial signature information separately from ...

08/16/07 - 20070192608 - Access control system for information services based on a hardware and software signature of a requesting device
A system and method for the authorization of access to a service by a computational device or devices. A software agent generates a digital signature for the device each time it attempts to access the service and send it to an authentication server, which compares the digital signature sent with ...

08/16/07 - 20070192607 - Electronic voting process using fair blind signatures
In an electronic voting process, a voter (Vi) encrypts his vote (vi) according to the encryption scheme (ETM) of a tallier mix-net (50) used to tally up the votes cast. The voter (Vi) obtains on his encrypted vote, (xi), from an admin server module (20), a digital signature according to ...

08/09/07 - 20070186111 - Certificate validity checking
A method for checking a validity of a certificate containing a key associated to a network device in a network, comprises receiving at the network an encrypted content and a validity index associated to the content. The validity of the certificate is evaluated from a time index contained within the ...

08/02/07 - 20070180254 - Optical content modulation
A visual copyright protection system is disclosed, including input content, a disruption processor, and output content. The disruption processor inserts disruptive content to the input content creating output content that impedes the ability of optical recording devices to make useful copies of output content. ...

08/02/07 - 20070180252 - Write accessibility for electronic paper
A system and method to control the writing on electronic paper (e-paper). An e-paper device may incorporate authentication indicia as part of informational data written on e-paper material. The informational data is protected by a security methodology that is accessible to authorized entities. A reader device may be used to ...

08/02/07 - 20070180251 - Methods utilizing steganography
The present invention relates generally to steganography, digital watermarking and data hiding. In one embodiment a method is provided including: processing data representing content; analyzing the data to determine whether a plural-bit identifier is steganographically encoded therein, the plural-bit identifier encoded in the data through modifications to the data, the ...

08/02/07 - 20070180249 - Methods and apparatus for content control using processor resource management
Methods and apparatus provide for: requiring that a content provider seeking to have its content executed by a processing system enter into an accord with a processing system provider; receiving a second key and a digital signature from the content provider to the processing system provider, the second key being ...

07/26/07 - 20070174625 - Secure multimedia data transmission method
A secure method and system of digital data transmission between a sender and a receiver, including a phase of receiver authentication by a symmetrical authentication key sharing algorithm with no transmission of the key, a phase of data watermarking by using the authentication key as the watermarking key, and a ...

07/26/07 - 20070174624 - Content interactivity gateway
A gateway (e.g., a web site) connects content (e.g., pirated content) playing on a host device to a variety of informational, advertising, merchandising and DRM resources. Links, icons and other elements for connecting with the resources are provided to the host device by the gateway and can be presented to ...

07/26/07 - 20070174623 - Detecting collusion among multiple recipients of fingerprinted information
Embedding fingerprinting or watermarking information includes delivering information in-band within digital content representing a media stream, so unauthorized distributors must choose between degrading the media stream, or leaving sufficient information detectable that unauthorized distribution can be detected. For fingerprinting, the method provides a relatively high degree of confidence of both ...

07/26/07 - 20070174622 - Protection of data of a memory associated with a microprocessor
A method and a circuit for checking the coherence between data read from a first area of a memory of a microcontroller and the address of these data, including calculating a current digital signature of the read data by a function also taking into account the address of these data ...

07/26/07 - 20070174621 - Processing device revocation and reinvocation
A method includes storing, at a storage location of a system, a first security value and utilizing, at the system, a first security certificate compatible with the first security value and incompatible with at least a second security value, wherein the first security certificate enables one or more processing features ...

07/26/07 - 20070174619 - Digital watermarking system according to pixel brightness value and digital watermarking method
A digital watermarking system and method is provided. The digital watermarking system mainly includes a storing unit, a text obtaining module, a pixel determining module, an encrypting module, and a storing module. The storing unit is for storing text information, the text information including one or more dot matrix files. ...

07/19/07 - 20070168671 - Digital document management system, digital document management method, and digital document management program
Disclosed is a digital document management program capable of achieving a third-party certification of document information with reduced amount of meta data. At the registration time of new document information, the digital document management program manages a digital signature created in association with document information. At the correction time of ...

07/19/07 - 20070168670 - Secure bytecode instrumentation facility
A secure bytecode instrumentation facility, wherein a new code fragment is registered in an encrypted registry by first extracting a digital certificate from a specified code fragment location. A certification authority (CA) in the digital certificate is compared against a list of registered trusted certification authorities in the registry. If ...

07/19/07 - 20070168669 - Anti-tamper system
A system in accordance with the present invention prevents tampering of a device. The system includes an encrypted digital signature and a decryption attempt. The encrypted digital signature represents a configuration of the device and is retained in a non-volatile memory of the device. The decryption attempt is received from ...

07/19/07 - 20070168668 - Media card with command pass through mechanism
The present invention presents techniques for transmitting application specific instruction between a host and a memory card. The commands for the application specific protocol are embedded along with a signature in the data portion of a transmission protocol that is used to communicate between the host the memory card. This ...

07/19/07 - 20070168667 - Method, authentication medium and device for securing access to a piece of equipment
The invention relates to a device for securing access to a piece of equipment (EQP), comprising an authentication medium (CRD) which uses a reference datum and control means (CTRL) which can be used to verify the consistency between the reference datum and a biometric signature (SGN) obtained from a party ...

07/19/07 - 20070168666 - Email policy manager
An email policy is applied in a policy manager, running on a mail server in a local area network, to determine whether an outgoing email message should be allowed to be transmitted to a destination address outside the local area network, for example over the internet. A digital signature is ...

07/12/07 - 20070162757 - Message authentication
For the authentication of messages communicated in a distributed system from an originator to a destination a keyed-hashing technique is used according to which data to be authenticated is concatenated with a private (secret) key and then processed to the cryptographic hash function. The data are transmitted together with the ...

07/12/07 - 20070162756 - System and method of authenicating a digitally captured image
A system and method of authenticating a digital still image captured using a digital image capture device. To process the digital still image for later authentication, a signature data is transmitted from a remote location to the digital image capture device. Upon capturing the digital still image, an image identification ...

07/12/07 - 20070162755 - Enhancements for discovering device owners in a upnp searching service
A system for selectively granting access rights within a network. When a requesting device learns that a device is a secure device and is owned by a Security Console, the requesting device calls a listowners action to the secure device, which respond by transmitting a public key hash to the ...

06/28/07 - 20070150738 - Information processing apparatus
There is provided an information processing apparatus comprising a process execution unit, a designated information obtaining unit to obtain designated information relating to authority for use, a certificate generating unit to generate a digital certificate which has a range of authority for use and is attached with a digital signature, ...

06/21/07 - 20070143623 - Method of validating consumable authentication chip
A method of validating a consumable authentication chip is provided having the steps of: numerously calling a trusted chip's test function with an incorrect value to generate an invalid response or not generate the response thereby invalidating the consumable chip; if generated, in the trusted chip, generating a secret random ...

06/21/07 - 20070143622 - Methods and portable device for digitally signing data
Methods and device for digitally signing documents by using a portable device that encodes a signature string to sound. The acoustic signature string may be transmitted and then decoded back into digital data. The signature string may be further processed to verify the signature of the document and to produce ...

06/21/07 - 20070143621 - Write accessibility for electronic paper
A system and method to control the writing on electronic paper (e-paper). An e-paper device may incorporate authentication indicia as part of informational data written on e-paper material. The informational data is protected by a security methodology that is accessible to authorized entities. A reader device may be used to ...

06/21/07 - 20070143620 - System, method and computer readable medium for certifying release of electronic information on an internet
A method of certifying the existence of electronic information released on a network at a time and date. The network connects one or more computer servers and a plurality of client computers with each other. Electronic information of a web page stored in one of the plurality of client computers ...

06/21/07 - 20070143619 - Cooperative non-repudiated message exchange in a network environment
A system and method of performing cooperative non-repudiated message exchange from a first system to a second system in a computer network comprises checking for discrepancies between a current system time in the second system with an actual time; performing a time synchronization process to match the current system time ...

06/21/07 - 20070143618 - Method for secure access to document repositories
A method for the secure access of files within a document repository includes the use of a Document Access Document with digitally signed and encoded conditions of use, such that the Document Access Document serves as a physical access credential to its specified documents within the repository. ...

06/21/07 - 20070143617 - Method for embedding and detecting a watermark in a digital audio signal
The invention relates to a method for embedding and detecting a watermark in a digital audio signal. For embedding the watermark in the digital audio signal a modified-segment (Sout(t)) is created from a selected input-segment (sin(t)) of the digital audio signal. The modified-segment (sout(t)) is created such, that at least ...

06/14/07 - 20070136600 - Document verification system and method of use
Described is a system and method of verifying documents for users possessing little or no document examination skill or experience. The system and method involve simple, secure, and expeditious means for determining the authenticity of identity or financial documents. In addition, users can submit documents of questionable authenticity to the ...

06/14/07 - 20070136599 - Information processing apparatus and control method thereof
To provide a mechanism which safely generates a signature even when the reliability of a local terminal is unknown, this invention makes it possible to safely notify a user whether a remote server can trust the local terminal. The mechanism includes a reception acceptance unit adapted to accept a generation ...

06/14/07 - 20070136598 - Image input and output device, client device, information processing method, and program storage medium
An image input and output device transfers data to and from a client device using a mailbox. The image input and output device includes a certificate receiving section and a mailbox creating section. The certificate receiving section receives, from the client device, an electronic certificate of a user that is ...

06/14/07 - 20070136597 - Methods and apparatus for robust embedded data
The present invention describes methods and apparatus involving embedding data. Data can be embedded steganographically in content or embedded in, e.g., headers associated with the content. In one implementation, a method of embedding auxiliary information in data is provided. The method includes receiving data and correlated data. The correlated data ...

06/14/07 - 20070136596 - Secure wireless network
A method is used to authenticate a wireless device for secure operation on a wireless local area network, the wireless local area network including a controller. The method to include broadcasting from the controller a configuration message based on the controller being physically switched to a configuration mode. The method ...

06/14/07 - 20070136595 - Method and apparatus for transmitting watermark data bits using a spread spectrum, and for regaining watermark data bits embedded in a spread spectrum
Spread spectrum technology and the related inserted or added information signal can be used for implementing watermarking digital audio signals. A known processing for retrieving at receiver or decoder side the watermark signal information bit from the spread spectrum is convolving the received or replayed spectrum with a spreading function ...

06/07/07 - 20070130468 - Network connection identification
Discovery of a network to which a device is in communication and classifying the network is disclosed. The network may be classified as a network already known or a new network signature may be created where the network signature is made up of a network id, a link id and ...

06/07/07 - 20070130467 - Request linked digital watermarking
A method for digitally signing information in real-time, based on a user request for the information. In one embodiment, the method is useful in a Web server, and can be implemented using a server-side API filter. One embodiment of the method includes receiving a data request from a user and ...

05/24/07 - 20070118753 - Customization of an electronic circuit
A method and a system of customization and authentication of an electronic circuit for an application implementing an asymmetrical algorithm and using a certification authority, including use of an authentication channel of another application implementing the same asymmetrical algorithm and using another certification authority. ...

05/24/07 - 20070118752 - Authentication of control units in a vehicle
A control unit transmits an authentication request to an authentication device via the bus system. The authentication device signs the authentication request using a first symmetric key and transmits the signed authentication request or only the signature to the control unit. The control unit compares the transmitted signature of the ...

05/24/07 - 20070118751 - Method of digitally signing a contract
A device and method for digitally signing contracts. A first contract is signed in response to an action by a signor. A second contract is also signed in response to an action by the signor. The action that signs the second contract is an extension of the same action that ...

05/24/07 - 20070118750 - Authenticating a caller initiating a communication session
The invention is a method to authenticate a caller initiating a communication session (such as a VoIP or IM communication session) and accept, reject, or accept and route the communication session accordingly. The caller's terminal adapter or message server (such as a VoIP or IM server) may create a digital ...

05/17/07 - 20070113094 - Method and system for digital watermarking
A method for applying a digital watermark to a content signal is disclosed. In accordance with such a method, a watermarking key is identified. The watermarking key includes a binary sequence and information describing application of that binary sequence to the content signal. The digital watermark is then encoded within ...

05/10/07 - 20070106902 - Image processing apparatus, image managing method, document managing apparatus, and document managing method
An image processing apparatus includes a reading unit that reads out image data for a document; a dividing unit that divides the image data for the document, read out by the reading unit, into secure parts and non-secure parts; a secure document generating unit that generates a secure document from ...

05/10/07 - 20070106901 - Parallel distribution and fingerprinting of digital content
Distributing information, including the steps of watermarking the digital content, distributing the digital content using a multi-source system, and partially fingerprinting digital content at each stage of moving information from a point of origin to the viewer. “Adaptation” of the digital content to the recipient includes maintaining the digital content ...

05/10/07 - 20070106900 - Estimation of quantisation step sizes for a watermark detector
The present invention relates to a method, apparatus and computer program product enabling at least identification the presence data symbols that have been embedded in a media signal. A transmitted media signal is obtained (step 22), which comprises a possibly distorted version of a host signal in which data symbols ...

05/03/07 - 20070101147 - Methods, apparatus and programs for generating and utilizing content signatures
The present invention generally relates to deriving and/or utilizing content signatures. A content signature includes a representation of a content item, which is derived from the content item itself. According to one embodiment of the invention, a method includes: obtaining a content item; transforming the content item to obtain transform ...

05/03/07 - 20070101146 - Safe distribution and use of content
A cryptographic hash of content (e.g., applications, documents, widgets, software, music, videos, etc.) is created and made available for distribution over a network (or by other means) as part of a ticket file. The ticket file can be cryptographically signed to ensure its authenticity. The ticket file and content can ...

05/03/07 - 20070101145 - Framework for obtaining cryptographically signed consent
A consent service on a host computer providing cryptographically signed consent for user attributes by a user on a host computer to a web service provider. The consent service is operable to provide decryption of the user attributes acquired by the web service provider from an identity provider. The consent ...

05/03/07 - 20070101144 - Authenticating a caller initiating a communication session
The invention is a method to authenticate a caller initiating a communication session (such as a VoIP or IM communication session) and accept, reject, or accept and route the communication session accordingly. The caller's terminal adapter or message server (such as a VoIP or IM server) may create a digital ...

04/26/07 - 20070094509 - System and method for security authentication
A system and a method for security authentication, in which a biometric authentication subsystem in the security authentication system receives a biometric certificate held by the user and the user's biometric information from a user terminal; the biometric certificate contains the user's biometric template or the storage address of the ...

04/26/07 - 20070094508 - Mobile wireless communications device with software installation and verification features and related methods
A mobile wireless communications device which may include a housing, an antenna carried by the housing, a wireless transceiver carried by the housing and connected to the antenna, and at least one memory for storing a compressed software file, a digest of an uncompressed version of the software file, and ...

04/26/07 - 20070094507 - Method and system for securing a wireless communication apparatus
A wireless communication apparatus includes a processor core that is coupled to a security unit and to a memory. The security unit is further coupled to a programmable memory unit such as a one-time programmable memory, for example. During programming of the wireless communication apparatus a signature may be generated, ...

04/26/07 - 20070094506 - Method for distributing and clearing digital contents via on-line
Disclosed is a method for distributing and clearing digital contents via on-line which is performed by a system for distributing and clearing digital contents via on-line that includes Internet, systems of users who are consumers and distributors of digital contents through the Internet and a main system having a database ...

04/26/07 - 20070094505 - Content recording/reproducing system, distribution device, reproducing device, and recording device
A content recording/reproducing system, which records and reproduces a sub-content relating to a main content, includes a distribution device, first and second recording media, a recording device and a reproducing device. The first recording medium that is non-rewritable prestores key data based on which a public key is derivable, and ...

04/19/07 - 20070088958 - Method and system for workflow management of electronic documents
A document management system is disclosed. A server maintains an electronic document and software for managing a workflow relating to the electronic document. The workflow includes a plurality of steps. One or more parties can access the electronic document via a network, use the software, and alter the electronic document. ...

04/19/07 - 20070088957 - Verifying provenance data associated with digital content
Method and apparatus for verifying provenance data associated with digital content. The provenance data preferably comprises a number of entries that serve as a history of processing steps carried out upon the digital content, such as when and by whom the content was created, transmitted, mastered, replicated, etc. A hash ...

04/19/07 - 20070088956 - Predictive support system for software
Signatures indicating potential problems can be used by a predictive support component. The predictive support component can check to see if a signature matches data for a data source associated with the software. ...

04/19/07 - 20070088955 - Apparatus and method for high speed detection of undesirable data content
An apparatus and method for identifying undesirable data received from a data communication network. The apparatus includes a data receiver, a database, and a content search unit. The content search unit transitions among a plurality of internal states depending on the received data. A predetermined segment of the received data ...

04/19/07 - 20070088954 - Digital watermark information adding device, data reproduction device and data recording device
In order to prevent content data from being illegally recorded or reproduced, information for detecting that the content data is illegally distributed or recorded is added to watermark information or other information. Two sets of WM (watermark) data, a WM1 data set and a WM2 data set are prepared. For ...

04/19/07 - 20070088953 - Method of preparing a document so that it can be authenticated
This patent concerns a method of enhancing the security of the check cashing operation at locations remote from the issuing bank. A key suitable for cryptographic purposes is encoded onto the check stock in the form of a graphic where the style of the graphic and its means of interpretation ...

04/12/07 - 20070083766 - Data transmission links
This invention generally relates to secure communications links for data transmission and more particularly relates to data communications links in which asymmetric cryptographic techniques are used to establish a secure link using symmetric cryptography. A method of establishing a secure communications link between a terminal and a server, the method ...

04/12/07 - 20070083765 - Secure communications equipment for processing data packets according to the send mechanism
A security-procuring method for making an item of communications equipment (E) secure, said item of communications equipment comprising an operating system core (K) and a set of software applications (A), said core including at least one IPv6 protocol stack (PS) making it possible to transmit incoming data packets from an ...

04/12/07 - 20070083764 - Image printing device, verifying device, and printed material
An image is split into a plurality of blocks, a feature quantity is extracted from each of the blocks, data is embedded into each of the blocks based on a difference between feature quantities of that block and at least one adjacent block, and data embedded blocks are printed. ...

04/12/07 - 20070083763 - Signature log storing apparatus
A signature log storing apparatus includes a signature log list and a certificate list, and registers, in the signature log list, a part of signature information in generated hysteresis signature as a signature record and a part of a user certificate in the certificate list. The signature log storing apparatus ...

04/12/07 - 20070083762 - Set of metadata for association with a composite media item and tool for creating such set of metadata
A set of metadata for association with the composite media item and a tool for creating a composite media item with an associated set metadata. In one embodiment, the tool comprises a component for extracting a portion of a first media item having first metadata and for extracting a portion ...

04/12/07 - 20070083761 - Generating evidence of web services transactions
Methods, systems, and products are disclosed in which generating evidence of web services transactions are provided generally by receiving in an ultimate recipient web service from an initial sender a request, the request containing a proof of message origin (‘PMO’). The PMO contains an element addressed to the ultimate recipient ...

04/05/07 - 20070079131 - Linear predictive coding implementation of digital watermarks
Z-transform calculations may be used to encode (and/or decode) carrier signal independent data (e.g., digital watermarks) to a digital sample stream. Deterministic and non-deterministic components of a digital sample stream signal may be analyzed for the purposes of encoding carrier signal independent data to the digital sample stream. The carrier ...

04/05/07 - 20070079130 - Output copy protection
Output copy protection of protected digital content is provided by adding detectable digital information (watermark) to the protected digital content wherein the detectable digital information is substantially undetectable when the protected digital audio content is processed on a personal computer. Also provided is a device driver configured on a personal ...

04/05/07 - 20070079129 - Theft resistant graphics
The addition of personally valuable information to graphical content to reduce theft of the content is disclosed. The showing of the personally valuable information within the content deters users from disseminating the content. The information may be a credit card number of the user, address information of the user, or ...

04/05/07 - 20070079128 - Electronic signature system and method
An electronic signature system is provided. The system includes a server and a database for storing a plurality of signature selections. The server includes a signature task setting module for receiving a request for signing a document which has a document type, and setting the signature procedure according to the ...

04/05/07 - 20070079127 - Binding a device to a provider
A pay-per-use or pay-as-you-go computer uses a secure memory to store individual unique program identifiers. Each unique program identifier is associated with a particular hardware or software component, or service, or the entire computer available to a user. By combining the unique program identifier with a computer hardware identifier uniquely ...

04/05/07 - 20070079126 - System and method for performing a trust-preserving migration of data objects from a source to a target
A data migration system performs a tamper-resistant data migration for regulatory compliance systems. The system generates a secure hash for the data object, adds a timestamp to the hash, produces a signature for the data object using a private key, and includes the signature in a signature summary of data ...

04/05/07 - 20070079125 - Interface protocol method and system
A claimant device includes a memory device for storing a unique claimant device identifier and a plurality of unique digital signatures. Each digital signature is based, at least in part, upon the unique claimant device identifier. ...

04/05/07 - 20070079124 - Stowable mezzanine bed
More specifically, this is a watermark information embedding apparatus for embedding information into an image by electronic watermark technology: a coding portion 11 for coding embedding information to be embedded into an image; a pattern allocating portion 12 for allocating a pattern to each symbol of the coded embedding information; ...

03/29/07 - 20070074036 - Multi-certificate revocation using encrypted proof data for proving certificate's validity or invalidity
A certification authority (CA, 120) generates decryption key data (K′Fj) for each set (F) in the complement cover (804) for a plurality of digital certificates. The CA encrypts all or a portion of the validity proof data (cj(i)) for each digital certificate (140.i) for each time period j for which ...

03/29/07 - 20070074035 - Secure recordation for inspection systems and methods
In accordance with at least one embodiment of the present invention, a portable inspection system is configured to capture inspection data, such as for example an infrared image. The inspection data is securely recorded (e.g., with an encryption algorithm) along with associated information, which may include for example date, time, ...

03/29/07 - 20070074034 - System and method for registering entities for code signing services
A system and method for registering entities for code signing services. The entities may be software application developers or other individuals or entities that wish to have applications digitally signed. Signing of the applications may be required in order to enable the applications to access sensitive APIs and associated resources ...

03/29/07 - 20070074033 - Account management in a system and method for providing code signing services
A system and method for providing code signing services to software application developers or to other individuals or entities that wish to have applications digitally signed. Signing of the applications may be required in order to enable the applications to access sensitive APIs and associated resources of a computing device ...

03/29/07 - 20070074032 - Remote hash generation in a system and method for providing code signing services
A system and method for providing code signing services to software application developers or to other individuals or entities that wish to have applications digitally signed. Signing of the applications may be required in order to enable the applications to access sensitive APIs and associated resources of a computing device ...

03/29/07 - 20070074031 - System and method for providing code signing services
A system and method for providing code signing services to software application developers or to other individuals or entities that wish to have applications digitally signed. Signing of the applications may be required in order to enable the applications to access sensitive APIs and associated resources of a computing device ...

03/29/07 - 20070074030 - Surface profile tracing of a document
A method for providing an indication of authenticity of an electronic image of a document comprises generating a signal corresponding to a profile of at least one of a number of surfaces of the document, converting the signal into a profile signature, and correlating the profile signature with the electronic ...

03/29/07 - 20070074029 - Data embedding apparatus
An image signal is smoothed, a superimposed signal having embedded data superimposed therein is generated, the superimposed signal is added to the smoothed image, and the image signal having the superimposed signal added thereto is binarized. ...

03/29/07 - 20070074028 - Image forming apparatus
An image forming apparatus stores user signature data signed by using a user's second private key, signature object data, public-key certificate data and log data, and creates and stores log signature data by giving a signature to the total of these data by using a first private key. The apparatus ...

03/29/07 - 20070074027 - Methods of verifying, signing, encrypting, and decrypting data and file
Methods of verifying, signing, encrypting and decrypting data and files contained a mobile telecommunication device having public keys (authentication) and private keys (digital identification) installed inside the device, and an electronic device handling requests to the mobile telecommunication device. When the files are signed, verified, encrypted or decrypted, the electronic ...

03/29/07 - 20070074026 - Detection of items stored in a computer system
Detection of items stored in a computer system such as computer code, data or information includes obtaining signatures characteristic of programs of interest such as stenanographic programs. A signature is obtained by reading code from a program of interest. The code may consist of the first 500 bytes from a ...

03/22/07 - 20070067636 - Method and apparatus for digital watermarking
A method for embedding digital watermark data in digital data contents includes the steps of obtaining a frequency coefficient of block data of digital data contents, obtaining a complexity of the block data, obtaining an amount of transformation of the frequency coefficient from the complexity and the digital watermark data, ...

03/22/07 - 20070067635 - Authentication of a vehicle-external device
A method for authenticating a vehicle-external device in a bus system of a motor vehicle comprising control units is provided. In order to effectively and inexpensively prevent a sequence control system that is stored in a control unit from being manipulated, an authentication device is provided in the bus system. ...

03/15/07 - 20070061585 - Watermark system
A method for examining an electronic representation of an item for a watermark, the method including examining at least a first electronic representation of an item for a watermark in accordance with a first watermark definition, receiving a signal indicating that a second watermark definition is to be used for ...

03/15/07 - 20070061584 - Information processing apparatus, information recording medium, apparatus and method of manufacturing information recording medium, and computer program
An information processing apparatus is provided. The information processing apparatus includes content verification means for executing a verification processing of a recording content recorded on an information recording medium, and content play means for executing a content play processing on a condition that validity of the recording content is checked ...

03/15/07 - 20070061583 - Image processing method, image processing apparatus, and storage medium
An image processing method is provided to control an action for image data based on control information associated with the image data. The method includes generating an electronic signature to be affixed to image data, and generating control information used for controlling an action for the image data based on ...

03/15/07 - 20070061582 - Image processing method, image processing apparatus, and storage medium
An image processing method includes inputting a plurality of component image data, each component image data including information indicating a storage location of an electronic signature for the component image data, selecting a component image data associated with an electronic signature to be verified from the plurality of component image ...

03/15/07 - 20070061581 - Methods used in a secure yet flexible system architecture for secure devices with flash mass storage memory
A device with mass storage capability that uses a readily available non secure memory for the mass storage but has firmware (and hardware) that provides security against unauthorized copying of data. This is true even though the firmware itself is stored in the non secure mass storage memory, and therefore ...

03/15/07 - 20070061580 - A license-based cryptographic technique, particularly suited for use in a digital rights management system, for controlling access and use of bore resistant software objects in a client computer
A technique for imparting substantial break-once-run-everywhere (BORE) resistance to passive and active software objects, and for controlling access and use of resulting protected objects by a client computer (400). Specifically, a relatively large number, n, of identical watermarks (1720) are embedded throughout a software object (1700), through use of n ...

03/15/07 - 20070061579 - Digital signing policy
Techniques relating to directed digital signing policy are described. In one instance, a system includes means for storing a document as a plurality of logical parts. The system also includes means for establishing a document configuration when a digital signature is applied to the document, and means for indicating whether ...

03/15/07 - 20070061578 - Directed signature workflow
Techniques relating to directed signature workflow of a document are described. In one instance, a process enables a publishing user to populate a body portion of a document with content. The process also allows the publishing user to populate an associated digital signature definitions portion of the document with at ...

03/15/07 - 20070061577 - Signal encoding
The invention relates to a signal encoding system (100). A pre-encoder (103) encodes a signal and generates a pre-encoded signal. In addition the pre-encoder (103) generates encoding assistance data which is stored in a signal storage (105) together with the pre-encoded signal. When the signal is retrieved from the signal ...

03/08/07 - 20070055886 - Message digest instruction
A method, system and computer program product for digesting data in storage of a computing environment. The digesting computes a condensed representation of a message or data stored in the computer storage. A COMPUTE INTERMEDIATE MESSAGE DIGEST (KIMD) and a COMPUTE LAST MESSAGE DIGEST (KLMD) instruction are disclosed which specify ...

03/08/07 - 20070055885 - Information processing apparatus, information processing method, and computer readable storage medium
A method is provided that enables verification of whether a component of original image data has been altered at the location at which the component is to be reused without newly generating a signature. More specifically, the method includes inputting first document data including a plurality of components and signature ...

03/08/07 - 20070055884 - User control and activation of watermark enabled objects
Methods and systems for associating watermark enabled objects with machine behaviors. Machine behaviors refer to actions by devices or systems in response to a triggering event. Examples of these behaviors include fetching a web page, opening an email client to send an email to a specific person, initiating a phone ...

03/08/07 - 20070055883 - Product authentication method
The invention relates to a method that allows a third party to authenticate a manufacturer's individual product. According to said method, at least one first code that is specific for said individual product is generated and is applied to the product or the packaging thereof by the manufacturer, said first ...

03/01/07 - 20070050629 - Hierarchical identity-based encryption and signature schemes
Methods are provided for encoding and decoding a digital message between a sender and a recipient in a system including a plurality of private key generators (“PKGs”). The PKGs include at least a root PKG and n lower-level PKG in the hierarchy between the root PKG and the recipient. A ...

03/01/07 - 20070050628 - Image processing apparatus
An encryption key extracting unit extracts encryption key information from an encryption key sheet on which an encryption key has been printed in a readable format. A key information storing unit stores the extracted encryption key information. An encrypting unit encrypts image data read by a reading unit from a ...

03/01/07 - 20070050627 - Device authentication system
An authenticating device generates authentication base data and verification data. The authenticating device embeds the verification data in the authentication base data to generate authentication data. The authenticating device transmits the authentication data to a device to be authenticated. In the device to be authenticated, the verification data is extracted ...

03/01/07 - 20070050626 - Document management system, document processing computer, signature generating computer, storage medium storing program for document management, and document management method
A document management system for generating a digest of document data and generating signature data to be attached to the document data includes a document data storage part that stores document data, a document digest generating part that generates a digest of the document data, a thumbnail data generating part ...

02/22/07 - 20070043951 - Safety device for electronic devices
In a safety device for electronic devices in a vehicle, it is provided that a security module with a data memory is only accessible after prior authentication; that signatures of data of the devices are stored in the data memory; and that a comparator is provided for comparing the stored ...

02/22/07 - 20070043950 - Target apparatus, certification device, and certification method
The present invention has a target apparatus that provides a predetermined service by certifying a certification device when said certification device enters a predetermined certification area. The target apparatus includes a controller configured to control the changing of contents of a service to be provided in accordance with a certification ...

02/22/07 - 20070043949 - Method and system for certifying the authority of a signer of an electronic document
Method and system for endorsing and verifying the authority of a digital signature is provided. The system includes, a server that is operationally coupled to a user's computer via a network link, wherein the server receives a signed document; the server identifies the type of document submitted and the signer's ...

02/22/07 - 20070043948 - Method and system for maintaining digital signature integrity
Method and system for maintaining digital signature integrity is provided. The method includes, creating a first electronic signature using a first set of hashing and signing algorithm; creating a second electronic signature using a second set of hashing and signing algorithms different than the first set of hashing and signing ...

02/15/07 - 20070038864 - Information processing apparatus, information processing method, and program
An information processing apparatus for performing processing on the basis of data stored in a predetermined memory area includes a storage section configured to store, for each management entity for which a memory area is to be formed, an authentication key and an encryption key, the authentication key being necessary ...

02/15/07 - 20070038863 - System and method for decoupling identification from biometric information in biometric access systems
A system and method are provided for providing increased security when storing biometric information and personal information in a biometric access system. A personal information number or personal search code that is known only to the individual and not stored by the biometric access system may be used to generate ...

02/15/07 - 20070038862 - Method and system for controlling the disclosure time of information
Methods, systems and computer program products are provided for controlling the disclosure time of information by a publisher to one or more recipients. A trusted body generates an asymmetrical key pair for a specified date and time of disclosure with an encryption key and a decryption key. The trusted body ...

02/15/07 - 20070038861 - Marking techniques for tracking pirated media content
A system and method for generating forensically marking image data from source material. A generated forensic mark will vary from copy to copy by using a selected forensic marking technique and forensic marking parameters that change from copy to copy of the source image data. ...

02/08/07 - 20070033410 - System and method for securely duplicating digital documents
A system and method is provided for securely duplicating digital documents of disparate types, such that there is a cryptographically secure link between the duplicate and the original. The system also provides each document with a serial number that is both sequential with all other copied documents and cryptographically linked ...

02/08/07 - 20070033409 - Methods, apparatus and programs for generating and utilizing content signatures
The present invention relates to deriving and/or utilizing content signatures. A content signature includes a representation of a content item, which is derived from the content item itself. According to one embodiment of the invention, a method of generating a content signature for a signal is provided. The method includes: ...

02/08/07 - 20070033408 - Preventing illegal distribution of copy protected content
Method and devices are directed to invention is directed towards analyzing packets on-the-fly for pirated content. Packets are intercepted and analyzed to determine if the packets include media content. If media content is detected, a comparator determines a fingerprint associated with the media content. The comparator then compares the determined ...

02/01/07 - 20070028114 - Verification of identity based signatures
A database management system (1) comprises up to fifty or more workstations (2), each for a user. The environment may, for example, be a hospital and the system manages medical records in a secure manner. Each user has a private key issued by a KGC (5). A database controller (3) ...

02/01/07 - 20070028113 - Systems, methods and devices for trusted transactions
The invention discloses a system for enhancing trust in transactions, most particularly in remote transactions between a plurality of transactional parties, for instance a seller and buyer(s) of goods and/or services over a public computer network such as the internet. Trust is disclosed to be a multivalent commodity, in that ...

02/01/07 - 20070028112 - Data transfer device
A data transfer device for transferring data between a host device and a data storage medium. The data transfer device encrypts and/or decrypts data transferred between the host device and the data storage medium using an encryption/decryption key stored in memory. A data storage medium stores an encryption/decryption key and ...

02/01/07 - 20070028111 - Methods and apparatus for authentication of content delivery and playback applications
A method is provided to notify or indicate to an end user of a computing device that a payload that is being viewed or listened to is in fact from a trusted source. A media signature, such as visual, audio, and/or tactile signature is selected by a user. When a ...

02/01/07 - 20070028110 - Content extractor and analysis system
A security system provides a defense from known and unknown viruses, worms, spyware, hackers, and unwanted software. The system can implement centralized policies that allow an administrator to approve, block, quarantine, and log file activities. The system can extract content of interest from a file container, repackage the content of ...

02/01/07 - 20070028109 - Configuration of a computing device in a secure manner
In accordance with a broad aspect, a method is provided to securely configure a computing device. A configuration indication is received into the computing device, including receiving a digital signature generated based on the configuration indication. Generation of the digital signature accounts for a unique identifier nominally associated with the ...

01/25/07 - 20070022295 - System and method for providing secure message signature status and trust status indication
A system and method for providing secure message signature status and trust status indications are disclosed. When a secure message having a digital signature generated by a sender is selected for processing on a messaging client, the digital signature on the message and trust status of the sender are checked. ...

01/25/07 - 20070022294 - Method of authenticating an object
A method of authenticating an object comprising an identifier is provided. The method comprises the steps of: (i) reading the identifier using a data reader to generate identity data; (ii) sending an authentication request from the data reader to a computer system, the request comprising the identity data; (iii) receiving, ...

01/25/07 - 20070022293 - Information processing apparatus and method
An information processing method enables verification of validity of signed data using received partial signed data parts, even when all the signed data is not received. According to the information processing method, signature data including a signature value and digests of a plurality of partial signed data parts is received. ...

01/25/07 - 20070022292 - Receiving encrypted emails via a web-based email system
The present invention provides systems and methods for allowing an Email User to create a Public Key Infrastructure (PKI) Email Account and thereafter to digitally sign, send, verify and receive PKI encrypted emails over a computer network, such as the Internet. The systems and methods preferably include a Web-based Email ...

01/25/07 - 20070022291 - Sending digitally signed emails via a web-based email system
The present invention provides systems and methods for allowing an Email User to create a Public Key Infrastructure (PKI) Email Account and thereafter to digitally sign, send, verify and receive PKI encrypted emails over a computer network, such as the Internet. The systems and methods preferably include a Web-based Email ...

01/18/07 - 20070016790 - Identification document and related methods
The present invention provides methods and systems for authenticating identification documents. We also teach an identification document including two or more digital watermarks. The watermarks correspond with each other or with indicia carried by the identification document. The correspondence can be verified to determine authenticity. We also provide digital watermark ...

01/18/07 - 20070016789 - Methods and systems for signing physical documents and for authenticating signatures on physical documents
In a method for providing physical documents with a signature, a document code is derived from at least a part of a content of the physical document. A signature code is derived at least from the document code and from an identification code of a signing party. The physical document ...

01/18/07 - 20070016788 - Digital signature computer, system, method, and storage medium storing program for collectively affixing signature to plurality of messages
A medium having stored thereon a digital signature program used to cause a digital signature generating computer to function as: a digest generation unit which generates a digest from each of a plurality of messages; a collective signature generation unit which generates a single signature, as a collective signature, to ...

01/18/07 - 20070016787 - Unique block header patterns for media verification
Authenticating the source of digital media is performed by using unique, randomly generated variably encoded frequency patterns to create mastering specific, profiles for sets end user media which can be verified by a manufacturer. A method for verifying the authenticity of an optical storage device includes the steps of: reading ...

01/18/07 - 20070016786 - System and method for iso image update and iso image deconstruction into modular components
A method for updating an ISO file, e.g., to add a digital signature to the ISO file, includes adding a supplemental file composed of, e.g., all zeroes to the ISO file before recording, and then recording the ISO file with supplemental file to an optical disk using ISO format. A ...

01/18/07 - 20070016785 - System and method for digital signature and authentication
A system and method for digital signature captures an electronic rendition of a user's handwritten signature, initials or other writing on a digitizer tablet interfaced with a personal computer, workstation or other computing device. A software plug-in incorporates the signature into the electronic document. The software then hashes the signed ...

01/18/07 - 20070016784 - Method of storing revocation list
A device implementing DRM may contain local storage to hold a revocation list, especially if it is not permanently connected in order to retrieve this list. This device has limited storage capability. Traditionally the device stores the certificate revocation lists as distributed. This invention proposes to only store for each ...

01/11/07 - 20070011458 - Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
Disclosed herein are methods and systems for encoding digital watermarks into content signals. Also disclosed are systems and methods for detecting and/or verifying digital watermarks in content signals. According to one embodiment, a system for encoding of digital watermark information includes: a window identifier for identifying a sample window in ...

01/11/07 - 20070011457 - Method for displaying and printing different sizes of smart docs
The present invention uses XHTML and XML to output a varied resolution PNG (Portable Network Graphics) representation of a document. The resulting image file is too large to be displayed on a standard computer monitor without forcing the user to scroll the document horizontally and/or vertically. The present invention manually ...

01/11/07 - 20070011456 - Method and system for identifying original copying source of audiovisual content
A system for identifying an original copying source of audiovisual content includes a recording device configured for receiving input data thereto, means for embedding the user specific information within the input data, the user specific information indicative of the identity of said recording device, and a data storage device within ...

01/04/07 - 20070005983 - E-mail firewall with stored key encryption/decryption
An e-mail firewall (105) applies policies to e-mail messages (204) between a first 5 site and a plurality of second sites in accordance with a plurality of administrator selectable policies (216). The firewall comprises a simple mail transfer protocol (SMTP) relay (202) for causing the e-mail messages (204) to be ...

01/04/07 - 20070005982 - Communication apparatus and communication method
According to one embodiment, there is provided a communication apparatus has a communication unit which makes a communication via a network, a database unit which stores route certificate data, a control unit which makes a control to supply address information of a server device that manages content, a command to ...

01/04/07 - 20070005981 - Communication system, certificate update device, and communication device
There is provided a communication systems in which a public key certificate is easily updated. The administration PC transmits SSL communication request to the print server which is searched by the print server search broadcast. If the server certificate (public key certificate) received from the print server at the time ...

01/04/07 - 20070005980 - Communication device and communication system
There is provided a communication system in which a public key certificate is easily updated when identification information is changed, while network traffic increase is prevented. A print server executes encryption communication using a public key certificate which attests that own public key corresponds to own identification information. Then, if ...

01/04/07 - 20070005979 - Image forming apparatus
Disclosed is an image forming apparatus including: a storing section for storing electronic data for printout and an electronic signature attached to the electronic data; an image forming section for printing the stored electronic data on a predetermined recording medium; and a control section for decrypting the stored electronic signature, ...

01/04/07 - 20070005978 - Digital signatures for network forms
Systems and/or methods enabling an individual to digitally sign data using an identifier where the data being digitally signed and the identifier are not accessed at the same location are described. In some cases, the systems and/or methods permit an individual to digitally sign data for an electronic document using ...

01/04/07 - 20070005977 - Watermark information detection method
There is provided a watermark information detecting method capable of detecting confidential information accurately from a document including confidential information. In this method, a filtering process is performed on the whole surface of an input image (S310), and a position of signal is obtained by using a signal position searching ...

12/28/06 - 20060294385 - Information processing apparatus and its control method, computer program and storage medium
For this purpose, when authentication information is embedded into digital information input by an image input unit (201), a Hash value calculation unit (202) generates authentication information based on that digital information, an encryption unit (203) encrypts the authentication information using an encryption key, and a digital watermarking unit (204) ...

12/28/06 - 20060294384 - Information processing apparatus, information processing method, and control program
An information processing apparatus storing information having an expiration date. If the expiration date of the stored information has passed, the information processing apparatus obtains new information having a different expiration date and updates the stored information with the newly obtained information. In addition, the information processing apparatus transmits the ...

12/28/06 - 20060294383 - Secure data communications in web services
Methods, systems, and products are disclosed in which secure data communications in web services are provided generally by receiving in a web service from a client a request containing an element bearing a first signature, the signature having a value; signing the value of the first signature, thereby creating a ...

12/28/06 - 20060294382 - Detecting a watermark using a subset of available detection methods
A system and method are disclosed for detecting watermarked content that also inhibits the successful removal or corruption of the watermark. The method involves utilizing only a subset of candidate counter watermark detection techniques within any particular watermark detector to search for the watermark in an altered form. Since only ...

12/21/06 - 20060288223 - Method and apparatus for incremental code signing
The present invention discloses a method for quickly and easily authenticating large computer program. The system operates by first sealing the computer program with digital signature in an incremental manner. Specifically, the computer program is divided into a set of pages and a hash value is calculated for each page. ...

12/21/06 - 20060288222 - Method for electronic data and signature collection, and system
The present teachings provide a computer-implemented data-collection method that can comprise displaying a returnable-form, and the form can comprise a plurality of field associations. The form can comprise a form identification value and/or a form return address, and each field association can comprise a field name and a field value. ...

12/21/06 - 20060288221 - Method, apparatus, and program product for reconfiguring a software package
The present invention provides a method, an apparatus and a program for reconfiguring a package, by which, when a user reconfigures a software package from given components, the user can provide a client with a package guaranteed by a provider who provides a single package. A method for reconfiguring a ...

12/21/06 - 20060288220 - In-line website securing system with html processor and link verification
A web application firewall (WAFs) used to secure websites from many known and unknown vulnerabilities is described. In one embodiment, the WAF is installed between a server that is serving web content and a network over which clients access the website hosted on the server. The WAF is configured to ...

12/21/06 - 20060288219 - Automated selection and inclusion of a message signature
A system and method for the creation and automated selection and inclusion an automated signature text with an electronic message, wherein the automated selection of the automated signature text is dependent on attributes of the message, the designated recipients, or attributes of the designated recipients as compared to the sender's ...

12/21/06 - 20060288218 - Protecting ink strokes from duplication
Aspects of the present invention relate to selectively protecting electronic ink (e.g., digitized or captured electronic signatures) from duplication. ...

12/21/06 - 20060288217 - System and method for generating feature-based models of software and content for automatic recognition
A system and method for automatic signature generation for content recognition is presented. A user provides signature attributes to a computer system for generating a signature, such as content directories, a signature accuracy level, and whether an existing signature database exists. The computer system generates a signature and the user ...

12/21/06 - 20060288216 - Long-term secure digital signatures
The present invention relates to digitally signing of electronic documents which are to be kept secure for a very long time, thereby taking into account future cryptographic developments which could render current cryptographic key-lengths insufficient. In accordance with the invention a double signature is issued for each document. A first ...

12/14/06 - 20060282676 - Methods and systems for encoding and protecting data using digital signature and watermarking techniques
Systems and methods are provided for protecting and managing electronic data signals that are registered in accordance with a predefined encoding scheme, while allowing access to unregistered data signals. In one embodiment a relatively hard-to-remove, easy-to-detect, strong watermark is inserted in a data signal. The data signal is divided into ...

12/14/06 - 20060282675 - Message authentication system, message transmission apparatus and message reception apparatus
In a message authentication system in which a message is transmitted from a message transmission apparatus 100 to individual message reception apparatuses 120 through wireless communication connecting the message transmission apparatus 100 with the message reception apparatuses 120 via intermediary message reception apparatuses and the message is authenticated at each ...

12/14/06 - 20060282674 - Data management system
To prevent piracy or leakage of data content, a cryptography technique and electronic watermark technique are combined together and used. In a data content supplied to a user, a user data is entered as electronic watermark by a data management center, and the data content with an electronic watermark entered ...

12/14/06 - 20060282673 - Multi-functional device and method of storing a transmission list of users in the same
A multi-functional device and a method of storing a transmission list of users in the same. The multi-functional device includes an authenticator to authenticate one or more users, a storage unit to store a transmission list of the authenticated users, a user interface to display the transmission list of the ...

12/14/06 - 20060282672 - Method for creating self-authenticating documents
In accordance with an embodiment of the invention, a method for creating a self-authenticating document is disclosed. The method comprises: providing a base substrate forming the document; printing an authentication seal on the document, the authentication seal comprising a printed portion comprising an ink creating a bleed area on the ...

12/14/06 - 20060282671 - Multi-parameter biometric authentication
Authenticating an identity of a user claiming to be a genuine-user includes receiving from the user biometric data pertaining to a plurality of biometric parameters. The received biometric data are compared with corresponding authentic biometric data which have previously been obtained from the genuine-user. The user's identity is authenticated if ...

12/07/06 - 20060277410 - Method and apparatus for watermarking stream data
A watermarking system embeds a watermark into data values that may be streamed. A data hash is calculated using data values and a hash key. The data values are grouped. The groups include a first group and a second group. A first group hash is calculated using data values in ...

12/07/06 - 20060277409 - Method and system of securely enforcing a computer policy
A method and system for securely enforcing a computer policy uses a secure computer resource (102) which includes both data (106) and policy rules (110) to be applied. The resource also includes a control set (108) which specifies the operations that are permitted on the resource, and the criteria under ...

11/30/06 - 20060271787 - System and method for validating a hard-copy document against an electronic version
The disclosure recites methods for verifying that the authenticity of a hard copy document by verifying that a digital signature printed on that document matches the signature on the original electronic document. The method includes converting a physical manifestation of a digital signature affixed to the hard copy document to ...

11/23/06 - 20060265594 - Documentation of service measures on a motor vehicle
A method, device, and computer program product for documentation of service measures on a motor vehicle using an electronic memory are provided. The method for documentation of service measures on a motor vehicle using an electronic memory, includes generating a hash value of an input data specifying at least one ...

11/23/06 - 20060265593 - Document verification apparatus and document verification method
A document verification apparatus includes a determining portion that determines whether a change that influences a verification result is made to at least one of an electronic document and a given condition, after it is verified whether or not the electronic document that has been input satisfies the given condition, ...

11/23/06 - 20060265592 - Television broadcast receiver and television broadcast receiving method
Copyright protection for a broadcast signal, personally acquired content or personal information can be easily achieved. For such an object, a digital television broadcast receiver having a print data output unit comprises a specification information detection unit 56k1 to detect whether or not specification information is added to input content, ...

11/23/06 - 20060265591 - Computer-implemented method and system for embedding ancillary information into the header of a digitally signed executable
A computer-implemented method and system for embedding ancillary information into the header of a digitally signed executable are disclosed. The method and system include identifying a digital signature block and a digital signature size block in a digitally signed file header, modifying a digital signature size value in the digital ...

11/23/06 - 20060265590 - Digital signature/certificate for hard-copy documents
A hard-copy authentication document is a physical manifestation of a digital signature or a physical manifestation of a public key affixed to a hard-copy document or physical object, respectively. A method of authentication and non-repudiation of hard-copy documents includes affixing a physical manifestation of a digital signature to a hard-copy ...

11/16/06 - 20060259774 - Watermark counter with reload register
A series of instructions from executable code are implemented on a processor core which in turn outputs event data. A watermark counter inputs event data and counts the number of events that occur within a time period defined by a start and stop signal. The watermark counter outputs a count ...

11/16/06 - 20060259773 - Alert options for electronic-paper verification
A system and method to control the writing on electronic paper (e-paper). An e-paper device may incorporate authentication indicia as part of informational data written on e-paper material. The informational data is protected by a security methodology that is accessible to authorized entities. A reader device may be used to ...

11/16/06 - 20060259772 - Authentication of radio frequency transponders
The invention describes a method of authenticating radio frequency (RF) transponders (14.1, 14.2, 14.3, to 14,n) in an electronic identification system (10), the system (10) also comprising an associated reader (18) and a verifier (22). At least one transponder encoder (16.1, 16.2) is provided for writing respective first watermark data ...

11/09/06 - 20060253708 - Integrity control of a memory external to a processor
A method for recording at least one block of variable data in a first volatile memory external to a microprocessor, including calculating and storing a digital signature taking into account at least partially the address and the content of said data block in the memory, and at least a first ...

11/09/06 - 20060253707 - Method of authenticating a print medium offline
A method of using a mobile device to authenticate a print medium offline before completing printing onto the print medium, the mobile device including processing means, a printhead and a sensor, the print medium comprising a laminar substrate, the method comprising the steps of: using the sensor to sense coded ...

11/02/06 - 20060248338 - Systems and methods for generation and validation of isogeny-based signatures
Techniques are described for generating and validating signatures. In an implementation, a method includes generating a signature by utilizing a plurality of isogenies included on a private key and incorporating the signature and a public key on a product, in which the public key is configured to validate the signature. ...

10/26/06 - 20060242419 - Method and system for directed documentation of construction projects
Methods and systems for directed creation of construction documentation are provided. Example embodiments provide a Directed Documentation System (a “DDS”), which directs, in a computer-assisted manner, the creation of a historical record of a portion or an entire construction project. In one embodiment, the DDS comprises a directed construction data ...

10/26/06 - 20060242418 - Method for ensuring the integrity of image sets
A method which can be utilized for protecting the integrity of a set of digital documents includes, for each of the digital documents in the set, extracting information from the document, incorporating the information into a watermark, and embedding the watermark into at least one other document in the set. ...

10/26/06 - 20060242417 - Systems and methods for providing signatures
Systems and methods for providing signatures are described. In an implementation, a system includes a backend configured to generate a plurality of incomplete signatures using an offline portion of an online/offline signature algorithm, storage configured to store the plurality of incomplete signatures and a front end configured to process a ...

10/26/06 - 20060242416 - Systems and methods for embedding messages in look-up tables
System and methods provide a message, generated based on a message authentication code (MAC), embedded in a look-up table associated with an image. The embedding of the message does not affect the image. The message may be used to authenticate the image. ...

10/26/06 - 20060242415 - System and method for key recovery
A secure mechanism for transparent key recovery for a user who has changed authentication information is disclosed. A password manager agent intercepts requests by a user to access secure resources that require user credentials. Upon detecting changed authentication information for the user, the password manager agent automatically regenerates the components ...

10/19/06 - 20060236114 - Application program verification system, application program verification method and computer program
There is provided a means to perform a source-level verification by a third-party organization in a shorter time, while preventing leakage of technology and know-how of an ISV. An AP verification system is composed of an AP development site and a verification organization connected via a network. An API-in-use extracting ...

10/19/06 - 20060236113 - Information processing apparatus and method thereof
It is simpler to manage an electronic signature on a It is simpler to manage an electronic signature on a server. On the contrary, authentication in a paper is more conveniently managed by a serverless system. However, data embedded in a document relies on an authentication system and security system. ...

10/19/06 - 20060236112 - Watermark information embedding device and method, watermark information detecting device and method, watermarked document
The present invention is relate to watermark information embedding apparatus and method for the same, watermark information detecting apparatus and method for the same, and method of containing watermark document. A document image generator (101) generates a document image according to document data (105). A watermark image generator (102) generates ...

10/19/06 - 20060236111 - Loading data onto an electronic device
Method of producing an electronic device comprising a data memory for storing data items and a key memory for storing at least one cryptographic key of a cryptographic public key mechanism. The method comprises the steps of loading a factory public key into the key memory; and loading factory software ...

10/19/06 - 20060236110 - Method, device and computer program for verifying the authenticity of non-electronic documents
The invention relates to a method for examining the authenticity of non-electronic documents, whereby a non electronic document comprises a document identifier, text and/or graphic user information, at least implicit information on the document user and a signature which is a coded first test code calculated by means of a ...

10/12/06 - 20060230276 - Authentication of products using identification tags
An identification tag for authenticating a product is associated with the product and has authentication data transmissible to a reader device. The authentication data include source data including a tag identifier that uniquely identifies the identification tag and a signature value that is a result of a private key encryption ...

10/12/06 - 20060230275 - Method of transmitting messages
The invention concerns an electronic communication terminal, a method, and a computer program product for transmitting an electronic message to two or more recipients, whereby the message comprises a public component intended for each of the two or more recipients and one or more private components, each of the one ...

10/12/06 - 20060230274 - Method and system for hardware accelerator for implementing f9 integrity algorithm in wcdma compliant handsets
In a wireless communication system, a method and system for a hardware accelerator for implementing the f9 integrity algorithm in WCDMA compliant handsets are provided. Intermediate variables may be initialized in an integrity function and a first processing block of bits and at least one additional processing block of bits ...

10/12/06 - 20060230273 - Hidden mirc printing for security
A printing method, comprising marking an area of a receiver with a first marking material and marking in at least a portion of the area a security image with a second marking material, wherein the first and second marking material are configured such that the security image is unreadable by ...

10/12/06 - 20060230272 - Validating the origin of web content
Described herein is a technique of protecting users against certain types of Internet attacks. The technique involves obtaining certificates from visited web sites and qualifying communications with those web sites based on the content of the certificates. ...

10/05/06 - 20060224896 - Compressed data scrambled distribution device and playback device thereof
The present invention provides a scrambled compressed data distribution device that can perform a high-resistance scrambled compressed data distribution by selectively using a plurality of types of scramble information and a playback device thereof. A scrambling section scrambles compressed data by unique one of a plurality of scrambling methods. A ...

10/05/06 - 20060224895 - System and methods for electronically notarizing scanned documents
Systems and methods of electronically notarizing scanned documents may include an image capturing device that captures data from an original document provided by a user to obtain an electronic image of the original document that forms an electronic document. Systems and methods may also include a user identity verification device ...

09/21/06 - 20060212710 - Method and apparatus for encoding symbols carrying payload data for watermarking an audio or video signal, and method and apparatus for decoding symbols carrying payload data of a watermarked audio or video signal
Watermark information (denoted WM) consists of several symbols which are embedded continuously in an audio or a video signal. At decoder site the WM is regained using correlation of the received signal with an m-sequence if Spread Spectrum is used. In some watermark technology the watermark information is transmitted asynchronously, ...

09/21/06 - 20060212709 - Authenticated device and individual authentication system
It is made possible to prevent “spoofing” and incur no additional management cost as effectively as possible. An authenticated device includes: at least one authenticated element that generates an output signal with characteristics spontaneously varying, at the time of manufacturing, with respect to a continuous input signal. The characteristics of ...

09/21/06 - 20060212708 - Document signature method & system
A system and method for executing a document in a verifiable manner is described where the system displays an electronic document, receiving an identifying characteristic of a party executing the document. The system then adds an electronic form of the identifying characteristic to the electronic document and receives confirmation that ...

09/21/06 - 20060212707 - Digitally signing an electronic document with a user-entered signature image
Methods, systems, and computer program products digitally sign an electronic entity, such as an electronic document, with a user-entered signature image. The method involves rendering the document and rendering a sign dialog. Rendering the sign dialog includes prompting the signer to write a signature to sign the document. The method ...

09/21/06 - 20060212706 - Scalable session management
Scalable session management is achieved by generating a cookie that includes an encrypted session key and encrypted cookie data. The cookie data is encrypted using the session key. The session key is then signed and encrypted using one or more public/private key pairs. The encrypted session key can be decrypted ...

09/21/06 - 20060212705 - Wireless communication method and apparatus for generating, watermarking and securely transmitting content
A method and apparatus for securing transmission of content created by a content generation device embedded in a wireless transmit/receive unit (WTRU) by determining what type of watermarks should be applied to the content and incorporating the watermarks in the content. The WTRU includes a content generation unit, a watermark ...

09/21/06 - 20060212704 - Forensic for fingerprint detection in multimedia
The subject matter includes systems, engines, methods, and schemata for embedding spread-spectrum fingerprints in multimedia content: a first fingerprint to identify a recipient of the multimedia content and a second fingerprint at a location in the first fingerprint that represents a subset of a much larger group of recipients. By ...

09/14/06 - 20060206715 - Media analysis method and system for locating and reporting the presence of steganographic activity
A method and system for surreptitiously detecting and analyzing sites suspected of transferring steganographic communications, is accomplished by analyzing a targeted site for steganographic communications via a server that directs a plurality of clients to analyze the targeted site. The clients are dispatched according to the objectives of the server ...

09/14/06 - 20060206714 - Process for the integrity check of lots of individual package units
A process for integrity check of lots of individual package units which comprises combining at least one RFID tag and a container which contains a large number of individual package units wherein each of the individual package units is marked with a marking code, the information of these codes of ...

09/14/06 - 20060206713 - Associating a postmark with a message to indicate trust
A method and system directed to the communication of the trust characteristics of electronic messages using visual and audio postmarks. The postmarks may represent a particular trust level on a continuum that can range from suspicious to trusted. A message system may determine the baseline trust level of a message ...

09/14/06 - 20060206712 - Long-life digital certification for publishing long-life digital content or the like in content rights management system or the like
A digital certificate is employed to produce a digital signature for a digital construct. In the digital certificate is set forth a certificate validity period defining for the digital certificate a time period during which the digital certificate is to be honored as valid for producing digital signatures, and a ...

09/07/06 - 20060200675 - Method for identifying signature authentication in broadcast receiver
A method for identifying signature authentication in a broadcast receiver is dislosed, wherein previous signature authentication identification results for files constituting application programs related to data broadcasting are stored, and when next authentication identification is made for a file, a hashing task for the file is selectively performed based on ...

09/07/06 - 20060200674 - Method for securing rfid charge value media via cryptographic signing and block locking
A process for securely tracking debit transactions on an RFID charge media by encoding RFID charge media with an initial charge value, securing the RFID charge media with a cryptographic signature using a private key and a unique ID, verifying the cryptographic signature using a public key paired to the ...

09/07/06 - 20060200673 - Using watermarking to reduce communication overhead
A method for reducing overhead when transmitting an Internet Protocol (IP) packet begins by selecting a watermarking signature based on the IP address of the packet. The watermarking signature is applied to the packet and the IP address is removed from the packet. The packet is sent to a receiver, ...

09/07/06 - 20060200672 - Data processing systems and methods
Various improvements to data processing systems involve enhancements to BIOS functionality, use of identifiers associated with specific instances of hardware, and data hiding techniques—sometimes alone, sometimes in combination. Many of these improvements can be applied to increase the security of computer systems, and networks of which they form part. ...

09/07/06 - 20060200671 - Attribute information providing server, attribute information providing method, and program
A method and system for providing attribute data. A request is received from a user device for a virtual ID token relating to attribute information pertaining to a subscriber associated with the user device. Responsive to the request for the virtual ID token, a data record is read from a ...

08/31/06 - 20060195696 - Method and apparatus for enhanced audio/video services with watermarks and associated data
Method and apparatus for controlled copying of an audio or video signal transmitted over a cable television or direct satellite broadcast system or the internet. Copyrighted (or other) audio or video material is protected from unwanted copying (recording) by the combination of a watermark embedded in the audio or video ...

08/24/06 - 20060190734 - Method and system for obtaining digital signatures
A digital signature system includes a database holding access control rules that identify documents authorized users are allowed to have electronically signed and a signing system capable of receiving signature requests from a plurality of authorized users, each signature request including a document to be signed, wherein the signing system ...

08/24/06 - 20060190733 - Methods and apparatus for resource management in a processor
Methods and apparatus provide for receiving encrypted content including program code, data, and a digital signature in a memory of a processing system, the content being encrypted using a first key; decrypting the encrypted content using a second key stored locally within the processing system; retrieving the digital signature from ...

08/24/06 - 20060190732 - Method of verifying the validity of digital franking notes and device for carrying out said method
The invention relates to a method for verifying the authenticity of a postage indicium generated using a franking key and applied onto a mailpiece, whereby cryptographic information contained in the postage indicium is decrypted and used for verifying the authenticity of the postage indicium. According to the invention the method ...

08/17/06 - 20060184796 - System and method for a variable key ladder
A method of generating encryption and decryption keys for a multiple tier, variable key ladder (VKL) hierarchy includes determining a device key based on network connection and configuration data contained in conditional access system firmware, decrypting and extracting a session or category key from an input media stream or an ...

08/10/06 - 20060179318 - Apparatus and methods for inserting and detecting electronic watermark
A secure electronic inserter. A picture analyzer 3 analyzes an input picture 101, and decides the insertion strength of the electronic water marking to be inserted, from one pixel of the input picture 101 to another, to output the insertion strength information 104 to an electronic watermark pattern inserter 1 ...

08/10/06 - 20060179317 - E-mail terminal device
An e-mail terminal device capable of carrying out a printing process, a storing process or the like of only e-mail with a signature or only e-mail with a signature of a trustable Certificate Authority (CA). When receiving e-mail, a determination is made as to whether or not the e-mail requires ...

08/10/06 - 20060179316 - Method and communication system for releasing a data processing unit
The invention relates to a method and a communication system for releasing a data processing unit used for processing project data of a selected project. In order to obtain project-related release of a data processing unit (90), a client requests a user right for the data processing unit (90) used ...

08/03/06 - 20060174128 - Software anti-piracy systems and methods utilizing certificates with digital content
Systems and methods are described herein for embedding and detecting a watermark in a digital content file, such as an audio file or a video file. If the watermark is detected in the digital content, a certificate associated with the digital content is located. The certificate contains copyright information that ...

08/03/06 - 20060174127 - Network access server (nas) discovery and associated automated authentication in heterogenous public hotspot networks
Automated HTTP-based user authentication in a public WLAN environment is facilitated across heterogeneous network access servers (NASs). Each of a set of network access servers has a given authentication protocol, and these protocols typically differ from one another. According to the invention, each authentication protocol has a unique “signature.” According ...

08/03/06 - 20060174126 - Small memory footprint fast elliptic encryption
A method of generating a digital signature includes generating a first random number from a finite field of numbers, and generating field elements defining a first point on an elliptic curve defined over the finite field of numbers by performing elliptic curve arithmetic on the first random number and an ...

08/03/06 - 20060174125 - Multiple cryptographic key security device
A security domain for controlling PKI keys includes a root certificate authority, and one or more regional certificate authorities, each having a remote control and a postal security device. Different PKI keys are utilized to sign and to validate the authenticity of a digital signature for each certificate authority. ...

08/03/06 - 20060174124 - System and method for installing trust anchors in an endpoint
According to one embodiment of the present invention, a method of updating a certificate trust list on a first endpoint includes receiving an initial certificate trust list at the first endpoint. The initial certificate trust list includes authentication data for at least a second endpoint. Digitally signed information is received ...

07/27/06 - 20060168452 - Watermarked material processing
A material (e.g. video, audio or data) processing system (648) processes material including a watermark. The system comprises a remover (640) for removing the watermark, a processor (646) for processing the material from which the watermark has been removed, and an inserter (642) for inserting a watermark into the processed ...

07/27/06 - 20060168451 - Information sending system, information sending device, information receiving device, information distribution system, information receiving system, information sending method, information receiving method, information distribution method, apparatus, send
Content data encrypted with a content key, the content key encrypted with an individual key specific to an information sending device, and the individual key encrypted with a distribution key that is updated in a predetermined cycle, and supplied are sent to an information receiving device, and the information receiving ...

07/27/06 - 20060168450 - System and method for watermarking in accessed data in a storage system
A system and method for watermarking data that includes a client device, a file system manager, a file server, and a storage network. The file system manager sets watermark control information. The file server includes: (1) a file writing process including a file watermark examination procedure and an action procedure, ...

07/27/06 - 20060168449 - System and method for securing online chat conversations
A system, method and program product for securing online chat conversations. The disclosed method includes the steps of capturing a chat conversation into an image file; adding a watermark to the image file; extracting the watermark from the watermarked image file; and validating the watermark. ...

07/27/06 - 20060168448 - Raising detectability of additonal data in a media signal having few frequency components
The present invention relates to a methods, devices, a media signal as well as an information storage medium related to embedding additional data in a media signal. A first adding unit (12) mixes the media signal (x) with a noise signal (n) in order to provide a modified media signal ...

07/27/06 - 20060168447 - Method and system for verifying electronic signatures and microcircuit card for carrying out said method
To check a digital signature, using a microcircuit card, the microcircuit being designed to receive and to process requests to check digital signatures, the process comprises storing in a memory in the microcircuit a certificates table containing digest forms of authorized public keys, and a phase of checking a digital ...

07/20/06 - 20060161782 - System and method for management of the production of printed material
A system and method for automatically or semi-automatically controlling the printing of materials that consume expensive expendable resources. A software program is installed on an individual's personal computer or workstation, on any computer on a network, on a printer server, or on the computer controlling a printer. The software program ...

07/20/06 - 20060161781 - Automated notary acknowledgement
A method, program, and system for notarizing and verifying documents via a distributed computer network are provided by the present invention. The invention includes creating an electronic version of the document on a client computer in the network and inserting a pre-written acknowledgment template into said electronic document, wherein the ...

07/20/06 - 20060161780 - Method and apparatus for adding signature information to electronic documents
In one embodiment, the present invention is a method and apparatus for adding signature information to electronic documents. One embodiment of the inventive method involves adding the signature information into a signature data field template corresponding to the electronic document, converting the signature data field template, including the added signature ...

07/20/06 - 20060161779 - Electronic certification and authentication system
The invention is an automated system that works in the data center of certification offices connected to the internet which enables a member of the any of the certification offices to certify his document electronically from a distance using a computer connected to the internet, digital pad, an electronic pen ...

07/20/06 - 20060161778 - Distinguishing between devices of different types in a wireless local area network (wlan)
A method and system for distinguishing between devices of different types (e.g., mobile and stationary devices) in a wireless local area network (WLAN) in order to provide additional services to one or the other. The method includes obtaining a device type for the terminal, and providing specific services to the ...

07/20/06 - 20060161777 - Watermark embedding and detection
Disclosed are methods and systems for embedding and for detecting digital watermarks in information signals. The method of embedding a watermark comprises the steps of providing a watermark secret (106), embedding (107) a digital watermark in an information signal (101) where said embedding is controlled by the watermark secret, calculating ...

07/20/06 - 20060161776 - Embedding watermarks for protecting multiple copies of a signal
The present invention relates to methods, devices and a signal related to simplifying the embedding of watermarks in different copies of a media signal (x). The watermarking process is split into two parts, one that is based on signal dependent properties and one that is based on watermark specific properties. ...

07/13/06 - 20060156010 - Apparatus for reproducing data, method thereof and recording medium
An apparatus for reproducing data, method thereof and recording medium are disclosed. In reproducing a title configured with data within a recording medium and/or data within a local storage, a method of reproducing data, the present invention includes the steps of checking information of identifying an application associated with the ...

07/13/06 - 20060156009 - Method and apparatus for enhancing security of wireless communications
The present invention is related to a method and apparatus for enhancing security of communications. The apparatus comprises a security processing unit, a data processing unit, a cross-layer watermarking unit, and optionally a smart antenna processor. The security processing unit generates a token/key to be used in watermarking and sends ...

07/13/06 - 20060156008 - Last line of defense ensuring and enforcing sufficiently valid/current code
A computer is adapted for self-validation using a dedicated validation circuit or process. The validation circuit may include a timing circuit for activating the validation process, a verification circuit for verifying the computer is in compliance with a pre-determined set of conditions and an enforcement circuit for imposing a sanction ...

07/13/06 - 20060156007 - Code authentication upon bootup for cable modems
An exemplary embodiment of a method (10) for authenticating software in a cable modem makes use of a secure key and certificate stored in flash memory. In this exemplary embodiment, the code employs a key to validate (16) a signature that is generated for each new build of the code. ...

07/13/06 - 20060156006 - Differentiated proxy digital signatures
Methods and apparatus, including computer program products, for providing input to a workflow application. Source documents are received that have respective original signatures but no digital signatures. The source documents can be paper documents, or they can be scanned representations of paper documents. Proxy digital signatures are applied to digital ...

07/13/06 - 20060156005 - Method and device for making secure execution of a computer programme
A method for making secure execution of a computer programme includes a set of at least one instruction, characterized in that it includes: a first step which consists in calculating and storing, prior to execution of the computer programme, a first signature representing the expected execution of the set of ...

07/13/06 - 20060156004 - Vl1w processor with power saving
A data processing apparatus has an instruction memory system arranged to output an instruction word, capable of containing a plurality of instructions, respective instruction words being output in response to respective instruction addresses. An instruction execution unit contains a plurality of functional units, each capable of executing a respective instruction ...

07/13/06 - 20060156003 - Watermarking digital data at a user device
A method of watermarking digital media data in a user device using a watermark that contains information derived from the digital media data content and the user device specific information to enable improved enforcement of the digital media data content copyright license. ...

07/13/06 - 20060156002 - Watermark detection
A watermark detection method is disclosed which is based on computing the cross-correlation between a suspect signal and a watermark. In order to be more robust against prolonged dominant signal components that adversely affect the correlation, the sequence of signal samples (61) to be correlated with the watermark is divided ...

06/29/06 - 20060143461 - Digital rights management
A digital rights management is provided. In the digital rights management method and contents service method, a user terminal of the digital contents encodes the digital contents based on specific information of the terminal. When using the digital contents encoded based on the identification of the terminal, the digital contents ...

06/29/06 - 20060143460 - Household terminal device and method and program for updating it
A household terminal device updating method comprises a first transmission step for, in updating copy protection canceling CERT information provided from a networked external server, transmitting an authentication command added with CERT information already stored, a first reception step for receiving updated signature information encrypted using a first shared key ...

06/29/06 - 20060143459 - Method and system for managing personally identifiable information and sensitive information in an application-independent manner
Methods and systems are provided for managing personally identifiable and/or sensitive information (PII/SI) in a manner that is independent of a software application that is used for creating or editing a document containing the PII/SI. PII/SI in a document is marked or flagged in an application-independent manner so that a ...

06/29/06 - 20060143458 - Method for the access of the mobile terminal to the wlan and for the data communication via the wireless link securely
The present invention relates to a method for the secure access of mobile terminal to the Wireless Local Area Network (WLAN) and for secure data communication via wireless link, which, combining the common key encryption technology and the symmetry encryption technology, has resolved the failure in WLAN to provide effective ...

06/22/06 - 20060136731 - System and method for providing an online electronic signature
A system is provided for generating an online electronic signature. The system includes a computer interface module which records movement of a cursor on a computer screen and outputs the recorded data. A signature generation module which receives the recorded data and generates a graphical image based upon the recorded ...

06/22/06 - 20060136730 - Method and system for establishing trusting environment for sharing data between mutually mistrusting entities
A method and system for sharing data and interrogating data include establishing a level of trust between mutually mistrusting entities so that data may be shared therebetween based on the level of trust. The method and system include interrogating data provided from one of the entities to the other entity ...

06/22/06 - 20060136729 - Copy protection for optical discs
Optical discs, such as CDs, have been protected by the use of an authenticating signature which cannot be copied to another disc. A playing device is required to identify the existence of the authenticating signature in order to access the content of the disc. The authenticating signature may comprise bad ...

06/22/06 - 20060136728 - Method and apparatus for authentication of data streams with adaptively controlled losses
Methods, components, and systems for efficient authentication, either through a digital signature or message authentication codes, and verification of a digital stream sent from a source to a receiver via zero or more intermediaries, such that the source or intermediary (or both) can remove certain portions of the data stream ...

06/15/06 - 20060129827 - Method of revoking public key of content provider
A method of revoking a public key of a content provider is provided. In a system in which a certificate authority certifies the public key of the content provider and the content provider transmits predetermined content to a user device using the certified public key, the method includes the user ...

06/15/06 - 20060129826 - Electronic apparatus and method of reinforcing security thereof
An electronic apparatus includes a main unit, a cover, openably attached to the main unit, for covering an operation unit arranged in the main unit, a lock mechanism for locking the cover to the main unit with the cover closed to the main unit, an input unit for inputting bio-information ...

06/15/06 - 20060129825 - Unified trust model providing secure identification, authentication and validation of physical products and entities, and processing, storage and exchange of information
A security infrastructure is described that enables a highly secure, dynamic, robust, and extensible security infrastructure. The security infrastructure uses integrated circuits (TEIs) that generate a unique set of output values in response to receiving a given set of “input seed values”. The particular output values generated by a TEI ...

06/15/06 - 20060129824 - Systems, methods, and media for accessing tpm keys
Systems, methods and media for accessing and protecting TPM keys for signing and for decryption are disclosed. More particularly, hardware and software are disclosed for enabling a user knowing a signing-only authentication to access a key for signing only, upon submission of the signing only-authentication, and for enabling the user ...

06/15/06 - 20060129823 - Security device
The present invention relates to a security device or a security apparatus comprising one or more primary images (103) encoded within a secondary image in such a manner that the primary images can only be observed by an observer (102) when the secondary image, a decoding mask (105) and the ...

06/15/06 - 20060129822 - Method of content identification, device, and software
The method of content identification consists of creating a signature to comprise one or more sub-signatures. A sub-signature is created by averaging values of a feature in multiple frames of a content item (24). The electronics device (62) is able to retrieve a first signature of a first content item ...

06/08/06 - 20060123237 - Method for watermarking computer programs
A method for encoding watermark information into a computer application in which occurrences of at least two non-interfering computer-executable code instructions contained in a block of code of a computer application are determined. A relative order of the non-interfering computer-executable code instructions is exchangeable without adversely affecting an overall execution ...

06/08/06 - 20060123236 - Image data registration method and apparatus and image data verification method and apparatus
A character recognition process is executed for image data written with text information, and a digital signature is given to the character recognition results and image data. The digital signature is given to data coupling both digest values of the character recognition results and image data. The digital signature is ...

06/01/06 - 20060117184 - Method to control access between network endpoints based on trust scores calculated from information system component analysis
Signatures are generated for modules in a computer system. The signatures can be assembled into an integrity log. The signatures are compared with signatures in a database in an integrity validator. Once signatures are either validated or invalidated, a trust score can be generated. The trust score can then be ...

06/01/06 - 20060117183 - Digital image data authenticity assuring method, and digital image data disclosure system
An original signature can be verified even if a signed image data is properly altered in its portion. The digital image data is divided into a plurality of configurational elements, and each of the feature values of the elements are calculated, so that the signature is created by combining the ...

06/01/06 - 20060117182 - Document authentication combining digital signature verification and visual comparison
A document authentication system and method combine digital and non-electronic (or visual) authentication methodologies in an integrated, unified manner. As well as providing indicia of digital authentication, the invention generates a physical artifact that can be validated by unaided human visual perception. The present invention thus provides an opportunity to ...

06/01/06 - 20060117181 - Apparatus and method for establishing a secure session with a device without exposing privacy-sensitive information
A method and apparatus for establishing a secure session with a device without exposing privacy-sensitive information are described. In one embodiment, the method includes the authentication of a digitally signed message received from a hardware device. In one embodiment, a digital signature, created by a private signature key of the ...

06/01/06 - 20060117180 - Method of extracting a watermark
A monitoring station (200) for monitoring distribution of media content, on basis of a watermark, comprises: receiving means (202) for receiving an information signal representing the media content to which the watermark is added; extracting means (204) for extracting perceptual features, identifying the information signal; first retrieving means (206) for ...

05/18/06 - 20060107060 - Cellular telephone device having authenticating capability
A smart chip protection system contains a unique public/private identity key pair and uses a separate public/private signature key pair. The internally stored identity private key can not be read outside the chip. An issuing entity generates a descriptor containing the identity public key, attribute data, and a digital signature ...

05/18/06 - 20060107059 - Method and apparatus for providing cellular telephone service using an authenticating cellular telephone device
A smart chip protection system contains a unique public/private identity key pair and uses a separate public/private signature key pair. The internally stored identity private key can not be read outside the chip. An issuing entity generates a descriptor containing the identity public key, attribute data, and a digital signature ...

05/18/06 - 20060107058 - Method and apparatus for uniquely and authoritatively identifying tangible objects
A smart chip protection system contains a unique public/private identity key pair and uses a separate public/private signature key pair. The identity private key is stored in permanent, secure storage such that it can not be read outside the chip. An issuing entity generates a descriptor containing the identity public ...

05/18/06 - 20060107057 - Method and apparatus for providing television services using an authenticating television receiver device
A smart chip protection system contains a unique public/private identity key pair and uses a separate public/private signature key pair. The internally stored identity private key can not be read outside the chip. An issuing entity generates a descriptor containing the identity public key, attribute data, and a digital signature ...

05/18/06 - 20060107056 - Techniques to manage digital media
Method and apparatus to manage digital media using watermarking and fingerprinting techniques are described. ...

05/18/06 - 20060107055 - Method and system to detect a data pattern of a packet in a communications network
A method and system for detecting a pattern derived from or related to a data signature in data packets is provided. An intrusion detection module accepts a data packet and compares all or portions of the data packet with a set of data patterns. One or more data patterns may ...

05/18/06 - 20060107054 - Method, apparatus and system to authenticate chipset patches with cryptographic signatures
In some embodiments, a method, apparatus and system to authenticate chipset patches with cryptographic signatures are presented. In this regard, an authentication agent is introduced to lock values in chipset identification registers, to authenticate a signature of a chipset patch, and to validate the chipset patch. Other embodiments are also ...

05/11/06 - 20060101270 - Determining a key derivation function
Methods, user equipment, a bootstrapping server function and computer programs determine a key derivation function to be used by user equipment. The user equipment sends an authentication request to a bootstrapping server function. The bootstrapping server function sends a key derivation function identifier along with a bootstrapping transaction identifier to ...

05/11/06 - 20060101269 - Method and system for digital watermarking
A method for applying a digital watermark to a content signal is disclosed. In accordance with such a method, a watermarking key is identified. The watermarking key includes a binary sequence and information describing application of that binary sequence to the content signal. The digital watermark is then encoded within ...

05/04/06 - 20060095777 - Contract execution system and process
The present invention may be used for contract preparation and contract performance payment. A request for performance may be initiated to a provider by a buyer. A contract may be created by a provider at a first system terminal of a central operating and data base element for the performance. ...

05/04/06 - 20060095776 - Content selecting device, content multiplexing device, content selecting method and content multiplexing method
A switching control circuit monitors the results of decision by illegality decision circuit for the presence of an illegally copied content or contents. In the absence of an illegally copied content, the switching control circuit turns on switches to allow the transmission of contents on all of transmission lines to ...

05/04/06 - 20060095775 - Fragile watermarks
Disclosed is a fragile watermarking scheme for detecting and localizing malicious alterations made to a database relation with categorical attributes without introducing distortions to cover data. A watermark for a tuple group may be inserted by selectively switching the position of tuples in tuple pairs using a tuple hash associated ...

05/04/06 - 20060095774 - Message file editing process
A system for facilitating the translation of messages from an original language to a language preferred by an end user is provided. The system allows distributors, end users or others to create translated versions of messages used by an application program, while protecting against changes that might affect operation of ...

05/04/06 - 20060095773 - Authentication system, light emitting device, authentication device and authentication method
The invention provides a new authentication system which is capable of not being deceived by copied images and excellent in authentication accuracy and convenience. An image with built-in authentication information to be used for authentication is emitted by an emission angle-dependent light emitting device while being diffracted at a specified ...

04/27/06 - 20060090075 - Method for integrating online and offline cryptographic signatures and providing secure revocation
A verification method and system including a verifier which can both interpret policies and determine if they are satisfied, and request and obtain relevant certificates. This new architecture includes a verifier which itself can both direct a retrieval mechanism and use a local database of information. Users and applications can ...

04/13/06 - 20060080538 - Apparatus, method and computer program for distributing and rendering content
To distribute Web contents, while ensuring security without increasing a burden imposed on users. The present invention comprises a distribution server for distributing a web content, which is composed of a plurality of digital media associated with each other and has key data for removing a digital watermark embedded in ...

04/13/06 - 20060080537 - Illegal analysis / falsification preventing system
A hash function operation system comprises a hash function operation processing device comprising a plurality of hash function operation units connected in multiple stages and incapable of predicting an output from an input, an illegal access detecting device for detecting an illegal access, and an illegal access monitoring device for ...

04/13/06 - 20060080536 - System and method for distributing trusted time
Systems and methods for distributing trusted time, including trusted dates with digital data files, which are accessed, created, modified, received, or transmitted by devices that include a trusted time source in a tamperproof environment. The system includes one or more subsystems for providing trusted time for a moment in time. ...

04/13/06 - 20060080535 - Apparatus, system and method for securing digital documents in a digital appliance
Various embodiments include an apparatus and a method to secure protected digital document content from tampering by their user, such as unauthenticated use or use violating a policy of the digital document. The digital document file can be transferred from a network node such as a web site server to ...

04/13/06 - 20060080534 - System and method for access control
A system and method for access control is provided. In one embodiment, a system includes a computing device connected to an access server that controls the ability of the computing device to access to a computing resource, such as the Internet. The access server connects to an activation server via ...

04/06/06 - 20060075246 - Signature-generation method, signature-verification method, public-key distribution method, and information-processing apparatus
To generate and verify signature data using a known signature algorithm whose safety is ensured from the viewpoint of calculation quantity and ensuring the authenticity thereof over a long time period. A message to be signed is transmitted, a padding-data item is added to the message, and a signature-data item ...

04/06/06 - 20060075245 - Long-term authenticity proof of electronic documents
Systems, methods and computer program products are disclosed for providing long-term authenticity proof of an electronic document having a digital signature, wherein the electronic document is digitally signed with a digital signature and the electronic document and its digital signature are archived in a data archive. Such methods, systems and ...

04/06/06 - 20060075244 - Tracing content usage
Disclosed is a system configured to process content to enable tracing of at least one of a multitude of subsequent uses of content by at least one user. The system provides for: making markable content from content, iteratively marking the markable content with information such as use information; and later ...

04/06/06 - 20060075243 - Systems and methods of providing content protection for digital video products
A digital watermark is affixed to an existing image file prior to being copied onto a destination media. In one embodiment, the image file is encrypted using content scrambling system (CSS) encryption. In another embodiment, the image file is also compressed prior to being copied onto the destination digital video ...

04/06/06 - 20060075242 - System and method for user certificate initiation, distribution, and provisioning in converged wlan-wwan interworking networks
A system and method for user certificate initiation, distribution, and provisioning in converged WLAN-WWAN interworking networks. A computing device operable in a wireless local area network sends a public key to a mobile device operable in a wireless cellular wide area network. The mobile device performs a bootstrapping procedure with ...

04/06/06 - 20060075241 - Character and vector graphics watermark for structured electronic documents security
The present invention is a method and apparatus for watermarking text or vector graphics documents. It is based on character-wise or vector graphics element-wise grayscale or color modulation. At high resolution, halftone or dither modulation can also be used in addition or in place of grayscale/color modulation, for printed representation ...

04/06/06 - 20060075240 - Lossless data embedding
Many methods for reversible watermarking (embedding schemes that allow perfect reconstruction of the original host signal) are highly fragile in the sense that the slightest modification of watermarked content prohibits the recovery of both the original signal as well as the embedded auxiliary data. In order to obtain robustness against ...

04/06/06 - 20060075239 - Embedding multiple watermarks
In order to enable a data signal, such as an audio or video signal, to be marked with multiple watermarks a set of different codes or keys is used within a given application field. The set of codes/keys is known to a watermark embedder (20) and a watermark detector (22). ...

04/06/06 - 20060075238 - Method for processing an analog signal
The present invention relates to a method for processing an analog signal. The method involves hiding a digital watermark signal in the analog signal by combining the watermark signal with the analog signal (103). The watermark signal may be detected and extracted by a device (108) receiving the analog signal. ...

04/06/06 - 20060075237 - Fingerprinting multimedia contents
Disclosed is a method and arrangement for extracting a fingerprint from a multimedia signal, particularly an audio signal, which is invariant to speed changes of the audio signal. To this end, the method comprises extracting (12,13) a set of robust perceptual features from the multimedia signal, for example, the power ...

03/30/06 - 20060069919 - Derivation and quantization of robust non-local characteristics for blind watermarking
An implementation of a technology is described herein for deriving robust non-local characteristics and quantizing such characteristics for blind watermarking of a digital good. ...

03/30/06 - 20060069918 - Image processing system, image processing apparatus and image processing method
An image processing system includes: a document storage apparatus for storing document data therein; an image processing apparatus connected to the document storage apparatus via a network, for processing the document data in association with the document storage apparatus; a first authenticator for performing user authentication at the time of ...

03/23/06 - 20060064596 - Restricted software and hardware usage on a computer
A client computer runs an operating system that executes additional applications by loading them using an application loader and executes device drivers for peripheral devices by loading the drivers using a device loader. The operating system restricts the functionality of the operating system, such as by making selected portions and ...

03/23/06 - 20060064595 - Restricted software and hardware usage on a computer
A client computer runs an operating system that executes additional applications by loading them using an application loader and executes device drivers for peripheral devices by loading the drivers using a device loader. The operating system restricts the functionality of the operating system, such as by making selected portions and ...

03/23/06 - 20060064594 - Absorptive coating on a disc to create a reflective modulation for encryption
Described herein are systems and methods for digital data encryption, and more specifically, systems and methods for providing encryption keys for reading encrypted data. Optical media, particularly digital disks, are described where a laser reader accesses digital data on a disk. The disks are coated with a coating containing an ...

03/23/06 - 20060064593 - Technique for preventing illegal invocation of software programs
A technique for preventing illegal invocation of software programs is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for preventing illegal invocation of software programs in a computer system having a first program that invokes a second program. The method may comprise generating a ...

03/16/06 - 20060059356 - Derivation and quantization of robust non-local characteristics for blind watermarking
An implementation of a technology is described herein for deriving robust non-local characteristics and quantizing such characteristics for blind watermarking of a digital good. ...

03/16/06 - 20060059355 - Restricted software and hardware usage on a computer
A client computer runs an operating system that executes additional applications by loading them using an application loader and executes device drivers for peripheral devices by loading the drivers using a device loader. The operating system restricts the functionality of the operating system, such as by making selected portions and ...

03/16/06 - 20060059354 - Derivation and quantization of robust non-local characteristics for blind watermarking
An implementation of a technology is described herein for deriving robust non-local characteristics and quantizing such characteristics for blind watermarking of a digital good. ...

03/16/06 - 20060059353 - Derivation and quantization of robust non-local characteristics for blind watermarking
An implementation of a technology is described herein for deriving robust non-local characteristics and quantizing such characteristics for blind watermarking of a digital good. ...

03/16/06 - 20060059352 - Restricted software and hardware usage on a computer
A client computer runs an operating system that executes additional applications by loading them using an application loader and executes device drivers for peripheral devices by loading the drivers using a device loader. The operating system restricts the functionality of the operating system, such as by making selected portions and ...

03/16/06 - 20060059351 - Method and apparatus for searching for rights objects stored in portable storage device using object identifier
A method for searching a portable storage device for a rights object by using an identifier of the rights object, including a host device accessing the portable storage device, retrieving the identifier of the stored rights object from the portable storage device, storing the retrieved object identifier, searching for the ...

03/16/06 - 20060059350 - Strong names
Systems and methods for using private keys in software development that minimizes the risks of the private key being lost or stolen. A strong name consists of the assembly's identity, e.g., its simple text name, version number, and culture information (if provided), plus a public key and a digital signature. ...

03/16/06 - 20060059349 - Robust signature for signal authentication
A method, system and computer readable medium for the authenticating of an audio-visual signal, such as digital images or video comprising the generation of a robust image signature with variable size. In a preferred embodiment DC-values of blocks of a digital image are calculated and areas with similar DC-values are ...

03/16/06 - 20060059348 - Dynamic management of access rights lists in a portable electronic object
Access rights lists, such as capacity or access control lists, are dynamically managed in a data processing element such as a smart card from an administrator server. To access an access rights list from the server, the list is signed in the server so that a signature can be transmitted ...

03/16/06 - 20060059347 - System and method which employs a multi user secure scheme utilizing shared keys
We propose a multi user information theoretically secure scheme. Our scheme allows any two parties in a multi user system to exchange messages securely using encryption, and to sign messages. Our scheme achieves a significant saving in the number of total keys in the system and in the keys each ...

03/09/06 - 20060053293 - User interface and anti-phishing functions for an anti-spam micropayments system
A protocol for protected email transmission using micropayments and a segregated inbox in which protected emails are displayed. The protocol also involves authentication of the sender to defeat phishers and an opt out protocol which can be used to block protected emails from sources from which the user no longer ...

03/09/06 - 20060053292 - Watermarking of a variable bit-rate signal
Methods and apparatus for embedding a watermark in an information signal (MPin) are described. The watermark embedding process is controlled by at least one embedding parameter. The value of the embedding parameter is dependent upon the bit-rate of the information signal (MPin). ...

03/02/06 - 20060047968 - Service discovery system, client terminal, service providing device, and service discovery method
A service discovery system including a client terminal and a service providing device which provides data or a function to the client terminal, including: a service request unit which generates a message requesting a service of the service providing device; a communication unit which sends the message generated by the ...

03/02/06 - 20060047967 - Method and system for data authentication for use with computer systems
Authentication of digital compressed data. In one aspect, a method for securing digital data for authentication includes generating a projection for each compressed video image and a projection hash of each of the projections. A data hash of the compressed video data in each compressed video image is also created. ...

03/02/06 - 20060047966 - Data-processing system and method for controlling same, computer program, and computer-readable recording medium
A data-processing system and method for controlling synthesizing digital-signature information. The system and method include holding first private-key information, inputting second private-key information, generating third private-key information based on the first private-key information and the second private-key information, holding the third private-key information, generating signature information based on information to ...

03/02/06 - 20060047965 - Methods and systems for dynamic updates of digital certificates with hosting provider
Methods and systems of the present invention allow for dynamic updates of digital certificates, such as X.509 SSL certificates. The updates are available via a subscription, where the subscription is a technical, administrative, and/or financial arrangements between a Subscriber and a Certification Authority or between a Hosting Provider and the ...

03/02/06 - 20060047964 - Data server, print data distribution method, print data distribution program and network printing system
A network printing system includes a data server 10 connected to a plurality of terminals (21 to 23) via a network and a printing system 40 connected to the network. When receiving, from a source terminal, print data, an address to be used for data transfer to a destination terminal, ...

03/02/06 - 20060047963 - Method and system for expeditious processing of guaranteed signature documents and the like
A method and a system for expeditious processing of guaranteed signature documents. Signers and recipients are enrolled with the guarantee signature company whereby recipients acknowledge the authenticity of the documents signed by the signers. Optionally, a guarantor bond can be provided by the guarantee signature company to the document recipients. ...

02/23/06 - 20060041754 - Content distribution site spoofing detection and prevention
A method, system and apparatus for detecting and preventing content distribution site impersonation. In this regard, a method for detecting and preventing content distribution site spoofing can include the steps of loading a markup language document and a corresponding digital signature for processing and ensuring that the digital signature originates ...

02/23/06 - 20060041753 - Fingerprint extraction
Fingerprints are bit strings extracted from a media signal (e.g. an audio or video clip) to identify said media signal. Typically, they are derived from a perceptual property of the signal, for example, the spectral energy distribution of an audio fragment or the luminance distribution of a video image. A ...

02/16/06 - 20060036864 - Digital camera with image authentication
A digital camera having a public key encryption system to establish the authenticity of digital images created by the camera, wherein the private key/public key pair is produced within the digital camera using an algorithm which ensures that it is unique, rather than being produced on a separate computer and ...

02/09/06 - 20060031678 - Image processing apparatus and its method
A method for unified management of secret key using a signature server is known, however, there is a danger that a hash value and/or signature data are altered in the middle of communication channel between a multi-function device and the signature server. Accordingly, the feature amount of the image data ...

02/09/06 - 20060031677 - Digital signing method, digital signing apparatus, portable information processing apparatus, digital signing system, and recording medium
A digital signing method includes a signature object data inputting step for inputting data to be signed with digital signature, a signature key presentation requesting step for requesting presentation of attribute information of one or more signature keys, a signature key displaying step for displaying the attribute information of one ...

02/09/06 - 20060031676 - Methods and apparatuses for configuring products
Methods and apparatuses for securely configuring the identifier information of products. In one aspect, a method of manufacturing a product, includes: establishing a connection between a data processing system and the product while the product is being manufactured; verifying that an initial set of identifier information stored within the product ...

02/02/06 - 20060026431 - Cryptographic letterheads
Digital watermark data is embedded into compressed media content that is transmarked when the compressed media content is converted to an analog format or into an uncompressed digital format. The watermark data uniquely identifies the converter/player device/user that converted the watermark-protected digital media content into the analog format or the ...

02/02/06 - 20060026430 - Protecting mobile code against malicious hosts cross references to related applications
Techniques for using a class loader to protect mobile code against a malicious host. The techniques include using the class loader to extend a class used by the mobile code such that a method is added to the code which authenticates the mobile code. When executed, the method provides a ...

01/26/06 - 20060020809 - Data processing apparatus and method, data processing program, and storage medium
The present invention has an object to provide a data processing apparatus which can perform digital watermark embedding/extraction in accordance with manipulation, editing, and compression. To achieve the object, the data processing apparatus for performing compression processing on digital data comprises: a digital watermark extracting device extracting additional information, embedded ...

01/26/06 - 20060020808 - Image forming apparatus and electronizing method for information mentioned in paper
An image forming apparatus configured to generate image data by reading information in a paper, includes a machine signature generation part configured to generate a first electronic signature for the image data by using a secret key peculiar to the image forming apparatus, and an operator signature generation part configured ...

01/26/06 - 20060020807 - Non-cryptographic addressing
To allow down-level devices to participate in a network controlled by a protocol including CGAS or ECGAs, the CGA or ECGA authentication may be made optional to allow the down-level devices to execute non-CGA or non-ECGA versions of network protocols, while at the same time allowing the use of CGA- ...

01/26/06 - 20060020806 - Method and apparatus for imprinting id information into a digital content and for reading out the same
After a digital content is loaded into an information terminal such as a PC, ID information unique to a viewer or a user of the PC is imprinted into the content. The ID information is imprinted into a predetermined location of the content or alternatively, it may be imprinted over ...

01/26/06 - 20060020805 - Image-forming device, method for controlling image-forming device, terminal, method for controlling terminal, and computer program
An image-forming device comprises an identifier-storage unit for storing an identifier in correlation with one of a plurality of feeding units on which at least one sheet used for image-forming processing is loaded, a specification unit for specifying the feeding unit by using the identifier, and a usability-determination unit for ...

01/26/06 - 20060020804 - Cross-pollination synchronization of data
A technique and mechanism to effect cross-pollination synchronization of PIM (personal information manager) data to multiple sources. Additionally, a novel feature of the subject invention is the ability to effect cross-pollination synchronization with any number of devices and sources in a network. The invention provides for a user to employ ...

01/26/06 - 20060020803 - Systems and methods for authentication of items or documents
Systems and methods for securing documents combine a physical document characteristic with variable information to form an authentication key. The key can be applied to the document along with the variable information. Subsequently, the document can be authenticated by re-reading the characteristic and variable information present on the document, forming ...

01/26/06 - 20060020802 - Tonal compensation for graphic security features
A printed image includes a plurality of sample gray scale regions. A method of determining authenticity of the printed image includes scanning the printed image to produce pixel data that corresponds to the printed image. A gray scale level is detected for each of a plurality of subsets of the ...

01/19/06 - 20060015736 - Apparatus for partial authentication of messages
A computer readable medium includes executable instructions to insert partial authentication content into a message. The modified message is then delivered through an electronic network to a recipient. Upon receipt, the partial authentication content is processed without processing the entire message. This results in an authentication response indicative of the ...

01/19/06 - 20060015735 - Electronic watermarking method and storage medium for storing electronic watermarking program
In embedding an electronic watermark in a plurality of frames making up video data, the filtering processing is executed by omitting a portion of the frames in terms of time or space. By using a result of the filtering processing, the electronic watermarking processing is executed on a portion that ...

01/19/06 - 20060015734 - Communication system, image processing apparatus, image processing method, authentication server, image managing method, image managing program, and image processing system
A communication system which is capable of improving the security of a protected image. The protected image on which a predetermined protection process has been carried out and authentication information are transmitted from an information processing apparatus to an image processing apparatus and an authentication server, respectively. Permission information for ...

01/19/06 - 20060015733 - Process and system for the material reduction of counterfeit and identity-maker fraud
A method, system and product for the material reduction of counterfeit and identity/maker fraud as it relates to payment vehicles and other authentication-requiring documents. The authentication system allows an institution to apply a code comprising relevant elements of an end-user to an authentication-requiring document. The authentication system allows institutions to ...

01/19/06 - 20060015732 - Processing system using internal digital signatures
A preferred embodiment of the invention uses local or internal public and private keys for signatures. The keys are obtained and managed internally by a kernel process having access to a secure key storage area. The kernel process is booted within a trusted platform and is the only process that ...

01/19/06 - 20060015731 - Method and apparatus to provide secure mobile file system
In an exemplary embodiment of this invention there is disclosed a mobile wireless terminal (50) that includes a transceiver (52) for coupling the mobile wireless terminal to a wireless network operator (60), a controller (54) and a memory (56). The memory may be assumed to store a file system program ...

01/12/06 - 20060010326 - Method for extending the crtm in a trusted platform
A method, system and computer program product for enhancing the functionality of the existing core root of trust measurement (CRTM). The CRTM is extended to allow platform manufacturer controlled and certified code to be incorporated into the function of the CRTM, wherein the manufacturer may define the policy for accepting ...

01/05/06 - 20060005030 - System and method for managing copyright information of electronic content
The present invention improves the way information related to copyright of electronic content, such as virtual documents and corresponding formatted print pages is received, managed, and distributed. A database is preferably provided that stores information regarding electronic content, such as virtual documents, formatted print pages, and related copyright information. Preferably, ...

01/05/06 - 20060005029 - Pre-processed information embedding system
Methods are provided for embedding auxiliary information in a host content signal which reduce the memory, bandwidth and computational complexity of the embedding and transmission systems. In one embodiment, a first reduced-scale signal is produced which corresponds to the host content embedded with a first logical value and producing a ...

01/05/06 - 20060005028 - Methods and device for digitally signing data
Methods and device for digitally signing documents by using a portable device that encodes a signature string to sound. The acoustic signature string may be transmitted and then decoded back into digital data. The signature string may be further processed to verify the signature of the document and to produce ...

01/05/06 - 20060005027 - Method and system for verifying authenticity of an object
A method for verifying authenticity of an object that has a unique identification number includes the steps of: generating a varying secret key, a first authentication code based on the varying secret key, and a second authentication code based on the unique identification number of the object and the varying ...

12/29/05 - 20050289350 - Method and system for secure synchronization between an enterprise system and a device
A method and system for secure synchronization between an enterprise system such as an ERP system and a mobile device. Before synchronization is allowed, a verified security parameter corresponding to a verified application is compared with a device security parameter representing an application running on the device ...

12/29/05 - 20050289349 - Method for generating and/or validating electronic signatures
The invention relates to a method for generating and/or validating electronic signatures during which an asymmetric key pair is generated that comprises a private signature key and a public validation key. In addition, at least one electronic signature is calculated by using the private signature key and by applying a ...

12/22/05 - 20050283612 - Methods and apparatus for input of coded image data
An image input device which includes a means for inputting image data, a memory for storing a secret information and an operator for carrying out an operation by using the image data and the secret information. ...

12/22/05 - 20050283611 - Multi-stage watermarking process and system
A multi-stage watermarking system and process that creates a watermark specification which describes how to generate a watermark, generates a template specification which describes how to merge the watermark into a target document, generates the watermark based on the watermark specification, and merges the watermark into the target document based ...

12/22/05 - 20050283610 - Methods and systems for encoding and protecting data using digial signature and watermarking techniques
Systems and methods are provided for protecting and managing electronic data signals that are registered in accordance with a predefined encoding scheme, while allowing access to unregistered data signals. In one embodiment a relatively hard-to-remove, easy-to-detect, strong watermark is inserted in a data signal. The data signal is divided into ...

12/22/05 - 20050283609 - Authenticating images identified by a software application
Method 300 facilitates the authentication of images, for example on a web-site (380). The method includes encoding images (310). In one embodiment, a search request is received (330) from a terminal (340) and the Internet is searched (350) in accordance with the search request and one or more web-sites identified ...

12/15/05 - 20050278535 - Profile protection
Tampering with pieces of software is inhibited. Profiles are stored in a central hierarchical database and such profiles are protected from tampering. The obfuscation of a software image so as to becloud the comprehension of hackers in reverse engineering pieces of software comprising the software image is provided. A process ...

12/08/05 - 20050273616 - Information processing apparatus, information processing method, and program therefor
An information processing apparatus includes a storage unit that stores security processing information describing a security processing procedure that is to be executed on data handled by a service providing program and including data written in a structured language; and a security processing unit that executes security processing to encrypt ...

12/08/05 - 20050273615 - Remote authentication of an object using a signature part
A method of authenticating an object in which a computer system receives indicating data from a sensing device. The indicating data is generated in response to sensing of coded data provided on or in a surface associated with the object and is indicative of an identity of the object and ...

12/08/05 - 20050273614 - Generating signatures over a document
A document accessible over a network can be registered. A registered document, and the content contained therein, cannot be transmitted undetected over and off of the network. In one embodiment, the invention includes maintaining a plurality of stored signatures over a registered document. In one embodiment, the plurality of stored ...

12/08/05 - 20050273613 - Dynamic security model
A method and apparatus are described for adapting a mobile terminal to different protocols in a wireless communication system. According to an exemplary embodiment, a script language is defined including a plurality of primitives that can be stored or pre-loaded in the mobile terminal. The script language is configurable to ...

12/08/05 - 20050273612 - Identification of digital data sequences
Identification of a digital media sequence is performed by an encoding and a decoding process. A sequence is received and its digital fingerprint is computed. A database lookup based on the fingerprint produces one or more matches that all resemble the computed fingerprint to a certain degree. If there is ...

12/08/05 - 20050273611 - False alteration prevention signature method
An anti-tampering signature apparatus is provided with an extraction portion 33 for extracting a characteristic quantity that represents a characteristic of image data according to an instruction from a certifier who has certified display data, an encryption/decryption portion 35 that generates encrypted data by encrypting the characteristic quantity using an ...

12/01/05 - 20050268105 - System and method of content copy control
A calculator system for performing duplication of contents does not necessarily perform screening, i.e., electronic watermark detection, rather, contents copy control information can be obtained otherwise. For example, in the event of copying a CD regarding which it is known beforehand that there is no electronic watermark inserted in the ...

12/01/05 - 20050268104 - Image forming apparatus and authentication and charging method
An image forming apparatus having a hardware resource used in image forming processing and an application executing the image forming processing, and performing authentication relating to the execution of the image forming processing is disclosed. The image forming apparatus includes a character string display part and a type character string ...

12/01/05 - 20050268103 - Anonymity revocation
Methods and systems for anonymity revocation, enabling a trusted entity to identify a user computer within an anonymous system. A system comprises an attester computer providing attestation value cert from a security module public key and an identifying value. The user computer having a module providing the module public key ...

12/01/05 - 20050268102 - Method and system for secure distribution of content over a communications network
A method and system for the secure distribution of content over a communications network such as the Internet where a content owner distributes content broken down into blocks to one or more content sources, the content sources serving as distribution points to subscribers, with the content owner retaining control over ...

12/01/05 - 20050268101 - System and method for authenticating at least a portion of an e-mail message
A system and method allows some or all of an e-mail message, such as the sender or its contents, to be authenticated, for example, to identify a message as potential spam. ...

11/24/05 - 20050262353 - Digital signatures including identity-based aggregate signatures
Methods and systems are provided that allow multiple identity-based digital signatures to be merged into a single identity-based “aggregate” digital signature. This identity-based aggregate signature has a shorter bit-length than the concatenation of the original unaggregated identity-based signatures. The identity-based aggregate signature can be verified by anyone who obtains the ...

11/24/05 - 20050262352 - Method for sending digital copies of protected media and network access device
Method for sending digital copies of protected media, using receiver-individual digital watermarks, from a media server via a telecommunications network and a network access device with connecting devices to an end user terminal, in which a digital copy which is to be sent to a specific end user terminal of ...

11/24/05 - 20050262351 - Watermark payload encryption for media including multiple watermarks
The present invention provides encryption techniques useful with digital watermarking payloads. In a first implementation, we encrypt one of two different cooperating watermark payloads, but the encryption and payload data structure helps to authenticate both payloads. Another implementation provides a three encryption key pair system for managing messages and watermark ...

11/24/05 - 20050262350 - Use of a digital signature obtained from at least one structural characteristic of a material element to protect the direct reading of sensitive data and method for reading this protected data
The invention is related to the use of one or several digital signatures obtained from at least one structural characteristic of a material element that has a complex, chaotic, unique and stable structure, to protect the direct reading of sensitive data, a media of such protected data and a method ...

11/24/05 - 20050262349 - Coded data including a distributed data stream
Coded data for disposal on or in a surface that includes a number of coded data portions. Each coded data portion encodes an identity of an object or the like associated with the surface. In addition, each coded data portion encodes at least part of a data object so that ...

11/24/05 - 20050262348 - Authentication of an object using a signature part
A method of authenticating an object by sensing coded data provided on or in a surface associated with the object. The coded data is indicative of an identity of the object and, at least part of a signature, the signature being a digital signature of at least part of the ...

11/24/05 - 20050262347 - Watermark insertion apparatus and watermark extraction apparatus
The present invention generates watermark from ID information that uniquely identifies a program distribution destination, inserts the generated watermark in a program, and prevents the program from operating correctly if the watermark is tampered with, and also inserts the same watermark verification code in a program regardless of the distribution ...

11/17/05 - 20050257063 - Program, computer, data processing method, communication system and the method
A program capable of protecting private data with a small processing amount appropriately with high reliability, by which a server apparatus transmits hash data of an booted program to a client apparatus, the client apparatus transmits the hash data and encoded private data to the server apparatus after negotiation, and ...

11/17/05 - 20050257062 - System and method for providing encryption in pipelined storage operations in a storage network
In accordance with embodiments of the invention, a method is provided for performing a storage operation in a pipeline storage system in which one or more data streams containing data to be stored are written into data chunks. The method includes generating an encryption key associated with a first archive ...

11/17/05 - 20050257061 - Platform and method for authenticating emails on the internet
A platform and a method for authenticating email, wherein the unauthenticated advertisements/mails enter in a feedback authentication system via a screening and authentication system to determine the legality, the feedback authentication system will request the advertiser to login to be authenticated, and then send the signature to the advertiser on ...

11/17/05 - 20050257060 - Randomized signal transforms and their applications
Techniques are disclosed to provide randomized signal transforms and/or their applications. More particularly, a signal (e.g., an audio signal, an image, or a video signal) is transformed by applying randomly-selected basis functions to the signal. The applications of the randomized signal transforms include, but are not limited to, compression, denoising, ...

11/17/05 - 20050257059 - Signing and authentication devices and processes and corresponding products, notably for dvb/mpeg mhp digital streams
The present invention concerns a device and a process for signing digital streams, each of them comprising contents, related to audiovisual information, and a signaling. The device applies encrypting to selectively determined descriptors of the signaling, called authenticated descriptors, to obtain signature. The invention also concerns corresponding authentication device and ...

11/10/05 - 20050251683 - Audio/video commerce application architectural framework
The present invention provides an inventive architectural framework for use in audio/video commerce applications. In one embodiment, message types are used in different applications. These applications may be conceptualized as falling into three classes: 1) broadcast monitoring, copyright communication, copy/play control, file verification, and PC connected e-commerce; 2) forensic tracking, ...

11/10/05 - 20050251682 - Method for indicating the integrity of a collection of digital objects
The present invention is directed to a method for indicating the integrity of a collection of digital objects, such as a software package, an email with attachments, etc.) The method comprising the steps of: Sealing the collection of digital objects by gathering the hash values of the digital objects into ...

11/03/05 - 20050246543 - System and method of content copy control
A calculator system for performing duplication of contents does not necessarily perform screening, i.e., electronic watermark detection, rather, contents copy control information can be obtained otherwise. For example, in the event of copying a CD regarding which it is known beforehand that there is no electronic watermark inserted in the ...

11/03/05 - 20050246542 - Method and apparatus for making and detecting a document verification indicator using optical pattern encryption
A method and apparatus for creating and detecting an optically encoded document having a uniquely designed document verification indicator is disclosed. One embodiment includes applying a spatially varying Brewster angle pattern on a substrate. Another embodiment includes an apparatus for detecting the spatially varying Brewster angle pattern including a light ...

11/03/05 - 20050246541 - Trusted and secure techniques, systems and methods for item delivery and execution
Documents and other items can be delivered electronically from sender to recipient with a level of trustedness approaching or exceeding that provided by a personal document courier. A trusted electronic go-between can validate, witness and/or archive transactions while, in some cases, actively participating in or directing the transaction. Printed or ...

11/03/05 - 20050246540 - System and method for handling secure messages
Systems and methods are provided for handling electronic messages. An electronic message is examined as to whether the message contains one or more encoding properties. A visual indication is generated for use in a display to a user wherein the visual indication is displayed to the extent to which the ...

11/03/05 - 20050246539 - Trusted signature with key access permissions
Devices, methods, and computer code products are disclosed in which access to private keys required to create digital signatures for delimited information is controlled by permissions in the device. The permissions can be used to check the identity of an application to determine if the application has access to a ...

11/03/05 - 20050246538 - Transmission of secure electronic mail formats
A method and system for providing e-mail messages to a receiving e-mail application. The e-mail messages as sent from a sending e-mail application being secure and in opaque signed format. The opaque signed e-mail messages being converted to clear signed e-mail messages by decoding extracting message content and digital signatures. ...

11/03/05 - 20050246537 - Method and system for limiting software updates
A method of detecting pirated software includes receiving a request for a software update by a client computer and providing to the client computer a test to be performed. The test is performed on the client computer against the client software application. The client computer may be denied a software ...

11/03/05 - 20050246536 - Embedding of image authentication signatures
A method (2), an apparatus, a computer readable medium and use of said method for authenticating an audio-visual signal (10), such as a digital image or video, are disclosed. A signature is derived from all image regions, including areas with flat or otherwise un-watermarkable content. By combining signature bits from ...

10/27/05 - 20050240772 - Method and apparatus for imprinting id information into a digital content and for reading out the same
After a digital content is loaded into an information terminal such as a PC, ID information unique to a viewer or a user of the PC is imprinted into the content. The ID information is imprinted into a predetermined location of the content or alternatively, it may be imprinted over ...

10/27/05 - 20050240771 - Trusted and secure techniques, systems and methods for item delivery and execution
Documents and other items can be delivered electronically from sender to recipient with a level of trustedness approaching or exceeding that provided by a personal document courier. A trusted electronic go-between can validate, witness and/or archive transactions while, in some cases, actively participating in or directing the transaction. Printed or ...

10/27/05 - 20050240770 - System, method and computer-readable medium to issue an electronic signature in association with a checksum of a document
The incorporation of checksum and voice files for off line participants to work in an electronic work space. The electronic signatures, and/or completion of, off line documents enables the contents of off line documents to be stored and processed in the same manner as on line users. The invented process ...

10/27/05 - 20050240769 - Methods and systems for computer security
A method for maintaining computer security, includes providing a database of known good software, opening a file, identifying the file being opened, determining whether an entry exists in the database of known good software for the identified file and performing at least one of allowing and preventing the opening of ...

10/27/05 - 20050240768 - Re-embedding of watermarks in multimedia signals
Methods and apparatus for processing a multimedia signal comprising a watermark signal are described. The method includes the steps of: removing at least a portion of the watermark signal, and adding a new watermark signal to the multimedia signal so as to form a new watermarked multimedia signal. ...

10/27/05 - 20050240767 - Encoding and decoding of watermarks in independent channels
Methods and apparatus for embedding a watermark in a multimedia signal and detecting the watermark, are described. The method comprises the steps of generating a watermark signal comprising a first sequence of values and a second sequence of values; obtaining a first signal portion corresponding to a first channel and ...

10/20/05 - 20050235154 - Systems and methods for authenticating and protecting the integrity of data streams and other data
Systems and methods are disclosed for enabling a recipient of a cryptographically-signed electronic communication to verify the authenticity of the communication on-the-fly using a signed chain of check values, the chain being constructed from the original content of the communication, and each check value in the chain being at least ...

10/20/05 - 20050235153 - Digital signature assurance system, method, program and apparatus
According to respective embodiments of the present invention, it is possible to verify a security environment of an digital signature and assure validity of the digital signature. For example, in the case of generating the digital signature, the assertion for asserting a key management system and a user authentication system ...

10/13/05 - 20050228999 - Audit records for digitally signed documents
A computer-readable medium having stored thereon computer-executable instructions for implementing a method of verifying a digitally-signed document includes stored instruction for verifying a digital signature related to the document, stored instruction for validating at least one certificate associated with the signature, and stored instruction for storing audit information into a ...

09/29/05 - 20050216743 - Binding a digital license to a portable or the like in a digital rights management (dmr) system and checking out/checking in the digital license to/from the portable device or the like
To render digital content encrypted according to a content key (KD) on a first device having a public key (PU1) and a corresponding private key (PR1), a digital license corresponding to the content is obtained, where the digital license includes the content key (KD) therein in an encrypted form. The ...

09/29/05 - 20050216742 - Document signature method & system
A system and method for executing a document in a verifiable manner is described where the system displays an electronic document, receiving an identifying characteristic of a party executing the document. The system then adds an electronic form of the identifying characteristic to the electronic document and receives confirmation that ...

09/29/05 - 20050216741 - Telephone having authentication function and telephone system
An information processing terminal includes a calculation processing unit, a telephone communication processing unit for performing a telephone communication with respect to another appliance, a communication processing unit for performing a communication operation with respect to the another appliance, and a signature calculating unit in which when a telephone communication ...

09/22/05 - 20050210257 - System and method for protecting digital media
A system and method for verifying digital recordings that have a plurality of tracks. The system includes an encoder that: divides the digital recording into a plurality of sections and associates a random number with each section; calculates an identifier as a function of the associated random numbers; and watermarks ...

09/22/05 - 20050210256 - Methods, systems and software applications for verifying certain requirements on electronic documents
Methods, systems and software applications are provided for automatically processing an electronic document having a digital signature. In one implementation, a method is provided that comprises sending the electronic document from a sender to a designated receiver. The method further includes, on the designated receiver's or a third party's computer ...

09/22/05 - 20050210255 - Systems and methods for encoding randomly distributed features in an object
The described systems and methods described are directed at encoding randomly distributed features in an object. Randomly distributed features in an authentication object are determined. Data representing the randomly distributed features is compressed and encoded with a signature. A label is created and includes the authentication object and the encoded ...

09/08/05 - 20050198511 - System for, and method of, providing the transmission, receipt and content of an e-mail message
A server transmits a message and attachments from a sender to a recipient. A hash is provided of (a) the message, (b) an identification of the sender and (c) a hash of the attachments to form a data string. Instructions may be included for the recipient to send a hashed ...

09/01/05 - 20050193206 - Digital watermarking system using a cryptographic key
A watermark embedder embeds a cryptographic key as a digital watermark into input host data and thereby generates key-embedded host data, and then provides it to a hash generator and a signature attacher. A hash generator generates a hash by putting the key-embedded host data into a one-way function, and ...

09/01/05 - 20050193205 - Method and system for session based watermarking of encrypted content
A method and apparatus applies a variety of session based watermarks in real-time to content that is streamed from a server towards a client. The invention employs content where differing targeted portions are selectively encrypted, such that other portions remain in the clear (unencrypted). Session information, such as an intended ...

08/25/05 - 20050188206 - Battery authentication system
An authentication process for authenticating a battery to a cellular telephone includes the step of receiving a challenge from the cellular telephone at the battery over a single wire conductor. In response to the challenge, the seed values are retrieved from the memory and a response is generated based upon ...

08/25/05 - 20050188205 - Method and system for controlling encoded image production
An automated method of producing encoded images for incorporation into a digital document is provided. The method comprises receiving a request from a user to produce an encoded image. The request includes user-supplied data for producing the encoded image, the user-supplied data including user-supplied authentication indicia and/or at least one ...

08/25/05 - 20050188204 - Electronic notary service
A method, program, and system for notarizing and verifying documents via a distributed computer network are provided by the present invention. The invention includes creating an electronic version of the document on a client computer in the network, which is then encrypted and stored on a secure server in the ...

08/25/05 - 20050188203 - Method for packaging information with digitally signed software without breaking signature
A method is provided for packaging software which includes a digitally signed data portion and a filename. An entity such as a software distributor provides information which is to be conveyed to the end user with a software package. The information in encoded and then added to the name of ...

08/18/05 - 20050182939 - Digital data authentication method
This invention provides a method for identifying a purchaser who purchased content from which an illegal copy was produced. A provider system encrypts a content purchased by the purchaser using a public key of a purchaser system and sends the encrypted content to the purchaser system. The purchaser system creates ...

08/18/05 - 20050182938 - Method and apparatus for trusted branded email
A trusted branded email method and apparatus in one aspect detects branded electronic messages and performs validation before it is sent to a recipient. In another aspect, an electronic messages is branded by embedding branding assets and validation signatures. Algorithms that generate validation signatures are dynamically selected to further strengthen ...

08/11/05 - 20050177728 - System for registering a user with a sensing device using a form
A system for registering a user with a sensing device using a form, the form having disposed thereon or therein information relating to at least one signature field, and coded data at least partially indicative of the signature field. The coded data is coincident with the information, so that when ...

08/11/05 - 20050177727 - Steganographic method and device
An apparatus and method for encoding and decoding additional information into a stream of digitized samples in an integral manner. The information is encoded using special keys. The information is contained in the samples, not prepended or appended to the sample stream. The method makes it extremely difficult to find ...

08/11/05 - 20050177726 - Method and system for controlling encoded image production using image signatures
An automated method for authorizing and controlling the production of optically encoded images is provided. The method comprises receiving from a user data processor a request for authorization to produce an encoded image. The authorization request includes user-supplied data comprising at least one authentication image file. The method further comprises ...

08/11/05 - 20050177725 - Verifying captured objects before presentation
Objects can be extracted from data flows captured by a capture device. Each captured object can then be classified according to content. Meta-data about captured objects can be stored in a tag. In one embodiment, the present invention includes receiving a request to present a previously captured object to a ...

08/04/05 - 20050172131 - Message conversion method and message conversion system
A conversion information insertion unit 21 of a computer B 20 receives a message given with an electronic signature from a computer A 10, and inserts conversion information into the message. Then, the conversion information insertion unit 21 sends the message added with the conversion rules to a computer C ...

08/04/05 - 20050172130 - Watermarking a digital object with a digital signature
A method of protecting a digital object (111) against unauthorized tampering, comprising computing a digital signature over the contents of the digital object (111), creating a summary of the computed digital signature, and embedding the summary in the digital object (111). The authenticity of the thusly protected digital object (111) ...

07/28/05 - 20050166057 - Digital measurement apparatus and image measurement apparatus
A digital measurement apparatus measures a physical measurement object, provides a digital signature of public-key cryptography to measured data of a thus-measured physical quantity, and manages the measured data. The apparatus generates at least a pair of a public key and a private key, to be used for the digital ...

07/28/05 - 20050166056 - Copyright management apparatus, copyrighted-work distribution apparatus, and copyrighted-work distribution and receiving system
A TV music broadcasting program is distributed from a distribution apparatus through a ground station and a satellite, and a musical-piece program is also distributed through a plurality of audio channels. A subscriber looks for the desired musical piece from a musical-piece list displayed on the screen of a TV ...

07/28/05 - 20050166055 - Information, transformation and reverse transformation processing
A transformation processing system input data including a data record area for storing target date and a transformation processing identification information record area for storing transformation processing identification information about transformation processing executed upon the target data. The transformation processing system includes: a reverse transformation information recording unit which records ...

07/28/05 - 20050166054 - Data processing apparatus and method and encoding device of same
A data processing apparatus able to generate a motion vector using projection image data in a short time, wherein an access circuit stores vertical projection image data and horizontal projection image data of each macro block of frame data and reference image data at continuous addresses in a frame memory, ...

07/28/05 - 20050166053 - Method and system for associating a signature with a mobile device
A method, apparatus, and system are directed towards associating a device signature with a mobile device. The invention is configured to determine at least one level of trust associated with the mobile device and an associated carrier gateway. In one embodiment, the mobile device may have multiple levels of trust ...

07/28/05 - 20050166052 - Methods and apparatus to authenticate a document
In one representative embodiment the present invention provides for a method of generating an authentication key that can be used to authenticate an electronic document file representative of a document. The method includes providing the electronic document file as an initial digital file, and applying a predetermined halftoning process to ...

07/21/05 - 20050160271 - Identification document and related methods
The present invention provides methods and systems for authenticating identification documents. We also teach an identification document including two or more digital watermarks. The watermarks correspond with each other or with indicia carried by the identification document. The correspondence can be verified to determine authenticity. We also provide digital watermark ...

07/21/05 - 20050160270 - Localized audio networks and associated digital accessories
Individuals share music through portable audio devices that synchronously play music by transmitting music signals from one device to the other. Upon request, other individuals can join such a sharing group as a member, and these new members can either be accepted automatically, or through voting by existing group members. ...

07/14/05 - 20050154893 - Method for embedding codes, method and apparatus for restoring identification information
According to the embodiments of the present invention, identification information that is embedded by the fingerprinting scheme cannot be read out by the third party, which can protect privacy of a user. Specifically, when converting an identification number u of a user to remainder codes <q1, q2, . . . ...

07/14/05 - 20050154892 - Systems and methods for embedding media forensic identification markings
The present invention leverages a series of media watermark locations to provide information relating to media ownership and/or distribution source. This provides a forensic means to establish a source of media with a high degree of certainty despite malicious and/or non-malicious attacks. By providing embedded user unique identification, a source ...

07/14/05 - 20050154891 - Metadata-based, anti-fraudulant identification card method and production system
A method for verifying the authenticity of a secure document, the method includes the steps of encoding the secure document with one or more of steganographically encoded people identification, equipment identification, material identification or secure-document, production geographical location all associated with production of the secure document and all of which ...

07/07/05 - 20050149735 - Watermark system
A method for examining an electronic representation of an item for a watermark, the method including examining at least a first electronic representation of an item for a watermark in accordance with a first watermark definition, receiving a signal indicating that a second watermark definition is to be used for ...

07/07/05 - 20050149734 - Replay prevention mechanism for eap/sim authentication
A method for use by a telecommunication terminal (10) in checking whether a candidate RAND in an EAP/SIM RAND challenge is likely a replay, based on using a Bloom filter including a vector data structure (21) for determining (admittedly sometimes erroneously) whether the candidate RAND is in a set of ...

06/30/05 - 20050144459 - Network security system and method
A network security system has a terminal access authentication system with a physical key for mutual authenticating a terminal. A frame authentication system is coupled to the terminal and authenticates each frame sent from the terminal. ...

06/30/05 - 20050144458 - Technique for producing through watermarking highly tamper-resistant executable code and resulting watermarked code so formed
Apparatus and an accompanying method, for forming and embedding a highly tamper-resistant cryptographic identifier, i.e., a watermark, within non-marked executable code, e.g., an application program, to generate a “watermarked” version of that code. Specifically, the watermark, containing, e.g., a relatively large number of separate executable routines, is tightly integrated into ...

06/30/05 - 20050144457 - Message security processing system and method for web services
A message security processing system and method for Web services are provided. In the message security processing system in which messages are exchanged between a client and a server with a SOAP-RPC format, each of the client and the server includes: a security interface allowing information related to digital signature, ...

06/30/05 - 20050144456 - Robust digital image watermarking utilizing a walsh transform algorithm
Disclosed is a method, apparatus, and system to provide for robust digital image watermarking utilizing a Walsh transform algorithm. A first image processor performs operations including partitioning a cover image, generating a key, and inserting a watermark symbol into the cover image utilizing a Walsh transform and the key. A ...

06/30/05 - 20050144455 - Fast hash-based multimedia object metadata retrieval
When a client requests metadata for a multimedia object, a server (120) computes a fingerprint for the multimedia object and matches it against entries stored in a primary database (121). Additionally, the server system (120) monitors one or more transmission channels such as radio broadcast channels, and computes transmission fingerprints ...

06/30/05 - 20050144454 - Video/image communication with watermarking
A video communication unit (405, 450) comprising a video input (415) for receiving a video signal transmission having a number of video or image frames, wherein each video or image frame includes a number of bit planes, the video input being operably coupled to a processor, the video communication unit ...

06/23/05 - 20050138382 - Method and process for creating an electronically signed document
Electronic signatures valid in printed or scanned form. Electronic signatures are embedded in documents such that the electronic signatures are valid even when the document is scanned, printed or stored in paper form. A document includes a barcode embedded into the document. The barcode includes a unique document ID and ...

06/23/05 - 20050138381 - Dynamic content security processor system for xml documents
A dynamic content security parser (DCSP) that provides hardware assisted parallel processing technology for servicing complex web service security transactions at a high rate of throughput as an embeddable software product having a core DCSP engine that utilizes a content security policy to process documents in order to provide digital ...

06/16/05 - 20050132201 - Server-based digital signature
Electronic signature functions, such as electronically signing an electronic record, verification of an electronic signature and issuance of keys, may be performed by a server or other central computer. For electronic signing, the server may access a key on a protected database and encryption programs to electronically sign an electronic ...

06/16/05 - 20050132200 - Indigenous authentication for sensor-recorders and other information capture devices
A method and system of authentication for sensor-recorders and other information capture devices is disclosed. In accordance with aspects of the current invention, a digital sample of the environment is obtained. From this sample and at least one parameter representative of at least one condition under which the sample was ...

06/16/05 - 20050132199 - Secure and differentiated delivery of network security information
The present invention is directed to a facility for distributing network security information. The facility receives network security information and recipient selection information specifying a characteristic of perspective recipients to be used in selecting recipients for the security information. The facility then compares the received recipient selection information to each ...

06/16/05 - 20050132198 - Document de-registration
A document accessible over a network can be registered. A registered document, and the content contained therein, cannot be transmitted undetected over and off of the network. In one embodiment, the invention includes maintaining a plurality of stored signatures in a signature database, each signature being associated with one of ...

06/16/05 - 20050132197 - Method and apparatus for a character-based comparison of documents
A method and system for a character-based document comparison are described. In one embodiment, the method includes dividing a first document into tokens. Each token includes a predefined number of sequential characters from the first document. The method further includes calculating hash values for the tokens and creating, for the ...

06/16/05 - 20050132196 - Electronic signatures
Methods, apparatus, including computer program products, and systems implement and use techniques relating to electronic signatures. In one implementation, a one-way hash is calculated for an electronic document and a digital watermark representing the one-way hash is embedded in a signature document. Based on a user input, the signature document ...

06/16/05 - 20050132195 - Electronic signing apparatus and methods
Methods, apparatus, including computer program products, and systems implement and use techniques relating to electronic signatures. In one implementation, a one-way hash is calculated for an electronic document and a digital watermark representing the one-way hash is embedded in a signature document. Based on a user input, the signature document ...

06/16/05 - 20050132194 - Protection of identification documents using open cryptography
The present invention provides methods and apparatus to uniquely determine fabrication details associated with objects, such as identification documents, artwork and limited issue works, using open cryptographic techniques. A cryptographic signature is created using a private key. The private key is uniquely associated with fabrication details such as a workstation, ...

06/09/05 - 20050125671 - Derivation and quantization of robust non-local characteristics for blind watermarking
An implementation of a technology is described herein for deriving robust non-local characteristics and quantizing such characteristics for blind watermarking of a digital good. This technology finds the proper balance between minimizing the probability of false alarms (i.e., detecting a non-existent watermark) and the probability of misses (i.e., failing to ...

06/02/05 - 20050120219 - Information processing apparatus, a server apparatus, a method of an information processing apparatus, a method of a server apparatus, and an apparatus executable process
An information processing apparatus uses signed integrity values unique to software configuration and asserting integrity of initial codes of a networked server. The server apparatus generates keys used for certifying the server apparatus(S810, S820, S830). One of the keys are certified by a third party to generate a digital signature ...

06/02/05 - 20050120218 - System and method for controlling contents by plurality of pieces of control information
At least one kind of control signal concerning control of contents, added to specific locations inside contents data, is detected as first control information, and at the same time, at least one kind of control information concerning control of contents, embedded inside the contents data by a digital watermark, is ...

06/02/05 - 20050120217 - Apparatus, system, and method for electronically signing electronic transcripts
A method for electronically signing an electronic transcript. The method includes obtaining an image of a court reporter's signature which may be incorporated into an electronic transcript. A hash operation performed on the electronic transcript to generate a representation of the contents of the electronic transcript. The representation of the ...



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