Cryptography inventions 05/08

20080123841 - Apparatus to implement dual hash algorithm: An apparatus arranged to accept digital data as an input and to process the data according to one of either the Secure Hash Algorithm (SHA-1) or Message Digest (MD5) algorithm to produce a fixed length output word. The apparatus includes a plurality of rotational registers for storing data, one of... Agent: Seed Intellectual Property Law Group PLLC

20080123842 - Association of a cryptographic public key with data and verification thereof: The invention allows a creator of a key pair—a public and a private key—to associate user data with the public key in such a way that verification data needed to cryptographically verify the association can be made public without compromising the key pair. An integer for use as a public... Agent: Squire, Sanders & Dempsey L.L.P.

20080123843 - Method for binding a security element to a mobile device: According to an aspect of the present invention there is provided a method of binding a security element to a device, comprising: generating a passkey to encrypt the security element, the passkey being a combination of attributes, and one of the attributes being a Device ID associated with said device.... Agent: Lang Michener

20080123844 - Method for realizing preview of iptv programs, an encryption apparatus, a right center system and a user terminal: A method for implementing preview of IPTV programs, an encryption apparatus, a right center system and a user terminal are provided. The preview groups are set up in the Digital Right Management DRM system; DRM system generates the group authorization information for the terminal according to the preview groups, and... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080123845 - Multiple selective encryption with drm: A television set-top box has a receiver receiving a digital television signal. The digital television signal has a plurality of unencrypted packets and a plurality of encrypted packets, wherein the encrypted packets have at least a first encrypted packet encrypted under first Digital Rights Management (DRM) encryption method and a... Agent: Miller Patent Services

20080123846 - Multiple selective encryption with drm: A method of re-encrypting a digital television signal, involves receiving an encrypted digital television signal at a gateway television set top box; decrypting the digital television signal, re-encrypting the digital television signal using a Digital Rights Management (DRM) system that is compatible with a first target appliance that is to... Agent: Miller Patent Services

20080123847 - Digital broadcast reception apparatus: Disclosed is a digital broadcast reception apparatus which performs a scramble judgment by obtaining a judgment PID corresponding to PCR_PID and a judgment packet corresponding to the judgment PID and judging whether the judgment packet is obtained within a first time, subsequently by a value of tsc bit, subsequently by... Agent: Crowell & Moring LLP Intellectual Property Group

20080123848 - System and method for data security, encryption apparatus and decryption apparatus: Techniques pertaining to encrypting or decrypting image data being transmitted between two points are disclosed. According to one aspect of the present invention, the image data is divided into a plurality of data blocks that are then scrambled in accordance with a given sequence. Without knowing the order of the... Agent: Silicon Valley Patent Agency

20080123849 - Dynamic key exchange for call forking scenarios: In some embodiments, a call forking dynamic key exchange system may include one or more of the following features: (a) a memory comprising, (i) a dynamic key exchange program that allows a caller to initiate a call having a security request to multiple subscribers and selecting at least one subscriber... Agent: Siemens Corporation Intellectual Property Department

20080123850 - Secure messaging: Methods, systems, and computer readable media for secure messaging. One method includes generating a first key associated with the sender. The method further includes encrypting a message from the sender to the recipient using the first key. The method also includes encrypting the first key with a second key. The... Agent: Merchant & Gould PC

20080123851 - Method and system for securing wireless communications: A wireless transmit/receive unit (WTRU) and a Node B, respectively, perform joint randomness not shared by others (JRNSO) measurement to generate JRNSO bits based on a channel estimate between the WTRU and the Node B. The WTRU and the Node B then perform a reconciliation procedure to generate a common... Agent: Volpe And Koenig, P.C. Dept. Icc

20080123852 - Method and system for managing a wireless network: The present invention includes a method to update a first key maintained at one or more client devices and automatically updates a second key maintained at one or more wireless network access points to match the first key to allow the client devices to access the wireless network.... Agent: Jianping Jiang

20080123853 - Rekey index generation method and rekey index generation apparatus: A rekey index generation method and a rekey index generation apparatus are provided. The rekey index generation method includes inserting join information to a first field of a rekey index when new members join a group; and inserting node numbers, corresponding to each of the new members, into a second... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080123854 - Method and system for content management in a secure communication system: A system and method for managing content for secure communications. The system includes an interface for receiving an encrypted message, a decryption module for decrypting the message into a clear text or other readable form and a key recovery module. The key recovery module recovers a key for the user... Agent: Bennett Jones LLP

20080123856 - Method of managing a mobile multicast key using a foreign group key: s

20080123857 - Recording system, fee calculation device, and content distribution method: An information service system works to record or print out, at a fee, information contents downloaded from Web servers, information received from facsimiles and information carried on portable storage mediums. The system includes a recording part which records, duplicates and prints out the image of digitized information, an information accumulating... Agent: Oliff & Berridge, PLC

20080123855 - Techniques for managing heterogeneous key stores: Techniques for managing heterogeneous key stores are presented. A centralized key management service receives key instructions in a generic format. These key instructions are communicated to distributed key agents distributed over a network. The key agents translate the key instructions into native formats expected by distributed key stores. The key... Agent: Schwegman, Lundberg & Woessner/novell

20080123860 - Apparatus and method for driving display panel: A display panel driver includes: an encryption unit configured to receive pixel data of unit pixels from an image data source, generate an encryption key by comparing an odd-numbered pixel data with a subsequent even-numbered pixel data, and assign a reference value corresponding to the encryption key; and a decryption... Agent: Morgan Lewis & Bockius LLP

20080123858 - Method and apparatus for accessing an encrypted file system using non-local keys: One embodiment of the present invention provides a system for accessing an encrypted file through a file system. During operation, the system receives a request to access the encrypted file. In response to the request, the system sends an encrypted file key for the encrypted file from the file system... Agent: Pvf -- Sun Microsystems Inc. C/o Park, Vaughan & Fleming LLP

20080123859 - Method and system for encrypting and decrypting a transport stream using multiple algorithms: There is provided a method for encrypting a data stream using multiple algorithms. In one embodiment, a first portion of the data stream is encrypted with a first algorithm utilizing a first key to generate a first encrypted portion. The first algorithm can be, for example, a Triple Data Encryption... Agent: Farjami & Farjami LLP

20080123862 - Secure information transfer using dedicated public key pairs: A method and apparatus for secure information transfer using dedicated public key pairs for articles of information. A first public key pair may be generated for an article of information. The article of information may be combined with a first public key from the first public key pair to form... Agent: Blakely Sokoloff Taylor & Zafman

20080123861 - User privacy through one-sided cookies: Techniques for ensuring privacy of users are provided. In one approach, a Web server receives a request from a Web browser. The Web browser generates an encryption key and sends the encryption key to the Web browser in a cookie. The Web server later encrypts the request (or any portion... Agent: Hickman Palermo Truong & Becker LLP/yahoo! Inc.

20080123863 - Encrypted tape access control via challenge-response protocol: Access to encrypted data on a removable computer media such as a computer tape is controlled via a uniquely-structured header on the medium having a symmetrical key wrapped by asymmetrical encryption plus a public key associated with the asymmetrical encryption. The data on the medium is encrypted using the symmetrical... Agent: Ibm Corporation (rhf)

20080118059 - System and method for secure record protocol using shared knowledge of mobile user credentials: A method and apparatus for secure record protocol in a system with a server and a client, the method having the steps of: utilizing a mobile user credential as an input to a key generator, the mobile user credential being known to both the server and the client; generating one... Agent: Research In Motion Attn: Glenda Wolfe

20080118060 - Method of decoding/encoding content file: A method of decoding/encoding a content file is provided. The method of decoding a content file includes dividing an encoded content file into a plurality of data blocks, grouping the plurality of data blocks into a plurality of groups, generating a group content key for each of the plurality of... Agent: Sughrue Mion, Pllc

20080118061 - Secure rights protection for broadcast mobile content: Secure rights protection for broadcast mobile content techniques are described in which broadcast content may be securely provided to a mobile device. In one or more embodiments, this is accomplished by requesting and issuing of a content license via a data network based upon a subscriber identity module (SIM) of... Agent: Lee & Hayes, Pllc

20080118062 - System, methods, apparatuses, and computer program products for providing a private multiple screen: An apparatus for providing a private multiple screen includes a signal modification element and a communication element. The signal modification element is configured to apply a privacy operation to an input video signal to produce a modified video signal. The communication element is in communication with the signal modification element... Agent: Alston & Bird LLP

20080118063 - Method and system for enabling transfer of content between a storage device and a portable media player device: A method and system for storing a file on a portable device includes a central location 100 generating a seed in response to a unique portable device identifier, a storage device 32 having an interface wherein the storage device 32 stores the seed therein. A portable media player 36 is... Agent: The Directv Group, Inc. Patent Docket Administration

20080118064 - Method, system, and program product for encrypting portions of a document using selective annotation: The invention provides a method, system, and program product for encrypting portions of a document using selective annotation. One method according to the invention includes: defining an annotation border adjacent a portion of a document using a digital pen; applying to the portion of the document an annotation verb specifying... Agent: Hoffman, Warnick & D'alessandro Llc

20080118065 - Hardware acceleration for large volumes of channels: A method apparatus and system for hardware acceleration for large volumes of channels is described. In an embodiment, the invention is a method. The method includes monitoring an inbound queue for hardware jobs. The method further includes detecting an interrupt from a hardware component. The method also includes transferring a... Agent: Beyer Weaver LLP

20080118066 - Method and apparatus for configuring signaling radio bearer in a wireless communications system: A method for configuring signaling radio bearer in a wireless communications system includes not ciphering a non-concatenated message on a radio resource control layer or its lower layer and transmitting a concatenated message and the non-concatenated message on different signaling radio bearers, wherein a non-concatenated message consists of a Non-Access... Agent: Birch Stewart Kolasch & Birch

20080118067 - Method and apparatus for performing ciphering in a wireless communications system: A method for performing ciphering in a wireless communications system includes performing a first ciphering procedure for a first Non-Access Stratum message to get a second Non-Access Stratum message, generating a Radio Resource Control message, which is not ciphered, in a Radio Resource Control layer, combining the second Non-Access Stratum... Agent: Birch, Stewart, Kolasch & Birch, LLP

20080118068 - Method and apparatus for local domain management using device with local authority module: A group key update method and a group key update apparatus for updating a key of members in a group are provided. The group key update method includes selecting a sub-root node among nodes on the binary tree; performing a node change with respect to the group according to a... Agent: Roylance, Abrams, Berdo & Goodman, L.l.p.

20080118069 - Mobile communication system, and key setting method: A mobile communication system (10) includes a network access device (180), a mobile communication device (100), and a key management server (140). The network access device periodically broadcasts a beacon frame including an address of the network access device. The mobile communication device receives the beacon frame, retrieves the address... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080118070 - Open and distributed systems to provide secure email service: A system to ease secure email communication by providing a unique email address of a user's choice, along with a private and public key pair which are generated and then associated with the email address. Along with the key pair, an plug-in to her preferred mail client is delivered to... Agent: Tet Hin Yeap

20080112559 - Substitution cipher text-encoding and un-encoding software and method: A method or computer program for encoding or un-encoding data receives a keyword string and removes characters in the keyword string which are not in a pre-approved character set and duplicate characters to form a validated keyword. The validated keyword is sequenced with un-used characters of the pre-approved character set... Agent: Mg-ip Law, Pllc

20080112560 - Arithmetic method and apparatus for supporting aes and aria encryption/decryption functions: Provided are an arithmetic method and apparatus for supporting Advanced Encryption Standard (AES) and Academy, Research Institute and Agency (ARIA) encryption/decryption functions. The apparatus includes: a key scheduler for generating a round key using an input key; and a round function calculator for generating encrypted/decrypted data using input data and... Agent: Ladas & Parry LLP

20080112561 - Method of generating message authentication code using stream cipher and authentication/encryption and authentication/decryption methods using stream cipher: o

20080112563 - Apparatus and method for dynamic ciphering in a mobile communication system: An apparatus and method for dynamic ciphering in a mobile communication system are provided. In a dynamic ciphering mobile communication system, a ciphering apparatus receives the Security Code Table (SCT) in advance and stores it, creates dynamic cipher keys when the data need to be ciphered using the SCT and... Agent: The Farrell Law Firm, P.c.

20080112562 - Methods for linking content with license: A method for accessing content is provided. In this method, a first parameter associated with a license is retrieved. The license is associated with the content. A second parameter associated with the content also is retrieved. With the first and second parameters, a third parameter based on the first and... Agent: Brinks Hofer Gilson & Lione/sandisk

20080112564 - Image and optical mark scanner with encryption: A scanner for scanning images and optical marks with optical mark recognition (OMR) and encryption is disclosed. A scanning system may include a scanning head configured to read documents comprising characters, marks, and images. The scanning system may include an encryption algorithm for encrypting the scanned data, a processor to... Agent: Jeff Vanderstraeten

20080112565 - Method of inserting vector information for estimating voice data in key re-synchronization period, method of transmitting vector information, and method of estimating voice data in key re-synchronization using vector information: Disclosed are a method of inserting vector information for estimating voice data in a key re-synchronization period, a method of transmitting vector information, and a method of estimating voice data in a key re-synchronization period using vector information, capable of estimating the voice data that corresponds to a silent period... Agent: Rabin & Berdo, Pc

20080112566 - Apparatuses for accessing content based on a session ticket: An apparatus is provided. The apparatus includes a memory and a processor in communication with the memory. The processor is configured to: transmit a request to a memory device to access content stored in the memory device; receive a session ticket; and access the content based on the session ticket.... Agent: Brinks Hofer Gilson & Lione/sandisk

20080107259 - Method and a circuit for sha operation with power saved: A Secure Hash Algorithm (SHA) operation circuit includes plural storages for storing the variables of the SHA calculation, a permutation section for permuting the output signals of the storages, and an arithmetic unit for calculating a temporary value by the use of the output signals of the storages and a... Agent: Nixon Peabody, LLP

20080107261 - Method for protecting confidential data: The invention concerns a method for preventing the loss of confidentiality of data electronically stored in the computer system comprising the following steps: analyzing the protocol and the data flow from and to data carriers and/or peripheral devices; forming a classification, particularly for differentiating between non-exchangeable and exchangeable data carriers;... Agent: K.f. Ross P.c.

20080107262 - Method and apparatus for centrally managed encrypted partition: A method and apparatus for protecting a remote computer connected through a network to a main computer, by creating a cryptokey on the main computer, supplying the cryptokey to the remote computer and mounting a partition on the remote computer using the cryptokey. The cryptokey is not persistently stored on... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.l.p.

20080107260 - Stream cipher encryption application accelerator and methods thereof: A system for encrypting and decrypting data formed of a number of bytes using the ARCFOUR encryption algorithm is disclosed. The system includes a system bus and an encryption accelerator arranged to execute the encryption algorithm coupled to the system bus. A system memory coupled to the system bus arranged... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080107263 - System, method & apparatus for display screen security: A system for preventing others from discerning visual imagery, data, entertainment or other informative indicia transmitted through pixels from a display screen from which encrypting light and indicia light is transmitted comprising a computer program, a lens, and encrypting light.... Agent: Law Offices Of Andrew Y. Schroeder

20080107264 - Cryptographic methods, apparatus and systems for storage media electronic rights management in closed and connected appliances: A rights management arrangement for storage media such as optical digital video disks (DVDs, also called digital versatile disks) provides adequate copy protection in a limited, inexpensive mass-produceable, low-capability platform such as a dedicated home consumer disk player and also provides enhanced, more flexible security techniques and methods when the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080107265 - Content scrambling with minimal impact on legacy devices: A method of encrypting a digital television signal involves examining unencrypted packets of data in the digital television signal to identify a selected packet type; duplicating packets identified as being of a selected packet type to produce pairs of duplicated packets; encrypting one of each pair of the duplicated packets;... Agent: Miller Patent Services

20080107266 - Cryptology calculation for last used authentication device: A passive start and entry system includes a controller that determines the desired encryption for a last authenticated identification device during the period in which responses are received from any proximate identification devices. This process allows for the transmission of encrypted data to the last authenticated device without delay upon... Agent: Siemens Corporation Intellectual Property Law Department

20080107267 - Method for transmitting a digital data file via telecommunication networks: A send component (20) breaks up an initial file to be transmitted into fragments. A symbol obtained from a fragmentation-transmission key (CFT) is linked to each fragment. A transmission path within a so-called first level intermediate relay network architecture (40, 41, 42), between the send component (20) and a receive... Agent: Oliff & Berridge, Plc

20080107268 - Method and apparatus for secure digital communications using chaotic signals: A system and method for encoding zero and one bits for transmission, including generating a first signal from a non-linear chaotic system to represent the one bit, with the signal's embedded vectors being within the non-linear system's attractor set, and generating a second signal from the non-linear system to represent... Agent: Naval Research Laboratory Associate Counsel (patents)

20080107269 - Updating configuration parameters in a mobile terminal: A method of updating/recovering a configuration parameter of a mobile terminal having stored thereon a public key of a public-key cryptosystem and a current terminal identifier, the method comprising determining an updated configuration parameter by an update/recovery server in response to a received current terminal identifier from the mobile terminal;... Agent: Ericsson Inc.

20080107270 - System and apparatus for information display: An apparatus for displaying information received from a communication apparatus including a key information producing unit configured to produce key information used to authenticate the communication apparatus; a key information distributing unit configured to distribute the key information; an authentication information receiving unit configured to receive authentication information; an authenticating... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080107272 - Access control over multicast: A multicast host for communicating information published about any one of a set of topics to one or more authorised subscribers to those topics, the set of topics being partitioned into one or more partition elements, each partition element having a partition element encryption key associated therewith, wherein each of... Agent: Ibm Corporation

20080107274 - Location-based security, privacy, assess control and monitoring system: A system includes a transmit unit to transmit a signal including a data key, and a receiving unit to receive the signal. The receiving unit to determine an encryption key based at least in part on the data key and to decrypt encrypted data using the encryption key.... Agent: Larson Newman Abel Polansky & White, LLP

20080107273 - Methods and systems for executing bit-commitment protocols that are based on entangled quantum states and a third party: Various method and system embodiments of the present invention are directed to executing bit-commitment protocols. In one embodiment of the present invention, a method for executing a bit-commitment protocol for transmitting a bit from a first party to a second party comprises preparing a three qubits are entangled in a... Agent: Hewlett Packard Company

20080107271 - Systems and methods for document control using public key encryption: Systems and methods for document control using public key encryption are provided. An interface program serves as a software interface between user applications used to create and access documents and a data storage system that stores the documents in an encrypted form. When a document is saved for the first... Agent: Verizon Patent Management Group

20080107275 - Method and system for encryption of information stored in an external nonvolatile memory: A nonvolatile storage system is described that includes a controller for transferring information between a host and nonvolatile memory. The controller includes an encryption/decryption engine for transferring information to and from a nonvolatile memory device, located externally to the controller, using a first key to encrypt information being stored into... Agent: Maryam Imam, Esq. Law Offices Of Imam

20080101595 - Error correction system and method for mobile terminal: An error correction system and method for a mobile terminal is provided that are capable of correcting transmission packet errors. The error correction method for a mobile communication system including at least one mobile terminal receiving ciphered text from a network includes generating an output by applying an input parameter... Agent: Cha & Reiter, LLC

20080101597 - Health integration platform protocol: A protocol is provided for communicating data between two applications. The protocol can support communication of an extensible markup language (XML) document over hypertext transfer protocol (HTTP) by associating the XML document with a data envelope and sending the data envelope to a disparate application. The data envelope can comprise... Agent: Amin. Turocy & Calvin, LLP

20080101596 - System and method for protecting data in a secure system: A system for protecting data in a security system generates and encodes a backup key for encoding long-lived secrets. The system generates a distribution plan for distributing cryptographic splits of the encoded backup key to selected persons based on geographic and organizational diversity. The distribution plan specifies a number M... Agent: Shimokaji & Associates, P.C.

20080101598 - Separating control and data operations to support secured data transfers: For a data transfer, security is negotiated via a control channel operating in accordance with a first protocol. The data is transmitted responsive to the security negotiation on a data channel operating in accordance with a second protocol.... Agent: Lee & Hayes PLLC

20080101601 - Method and apparatus for preparing and verifying documents: A method for preparing and verifying a document, comprising the steps of: presenting the document to a document-registering office in a machine-readable format; editing the document to add an identification code associated with a non-copiable object; signing the edited document using a private key of the document-registering office; printing the... Agent: Hewlett Packard Company

20080101599 - Apparatus for encrypting/decrypting real-time input stream: Disclosed is an apparatus for encrypting/decrypting a real-time input stream. The present invention includes a control unit, a key schedule unit, and a block round unit. Accordingly, the present invention realizes the encryption and decryption of AES algorithm in a manner of hardware, thereby enabling to carry out the encryption... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080101600 - Method for establishing a common key for a group of at least three subscribers: A method for establishing a common key for a group of at least three subscribers includes using a publicly known mathematical number group and a higher order element of the group g∈G. In the first step, a message corresponding to Ni: =gzi mod p is sent by each subscriber to... Agent: Darby & Darby P.C.

20080101602 - Protection of data on media recording disks: This invention discloses a secure recording medium having at least one of audio, video and software content, comprising a plurality of media recording disks (DVD's) with a disk security chip embedded in each the DVD, each the disk chip comprising a security key, wherein at least two of the DVD's... Agent: Ladas & Parry LLP

20080101603 - System and method for copy protection for digital signals: Embodiments of the present invention provide for the copy protection of distributed material after conditional access is applied, regardless of where the material is distributed. The solutions described provide the advantage of being sufficiently simple in implementation to qualify as “curb high” solutions. “Curb high” solutions provide a range of... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20080101604 - Self-protecting digital content: Technologies are disclosed to transfer responsibility and control over security from player makers to content authors by enabling integration of security logic and content. An exemplary optical disc carries an encrypted digital video title combined with data processing operations that implement the title's security policies and decryption processes. Player devices... Agent: Marc P. Schuyler

20080101605 - Storage system provided with an encryption function: A first storage system is provided with a first storage device containing an encryption processing unit, and a controller having an encryption processing unit and an access control unit. The access control unit judges whether a writing destination in the case of having processed a write request from an upper-level... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080101606 - Transaction recordal system: A method of printing a security document having a security feature, the method including, receiving the security document, and encrypted identity data at least partially indicative of an identity of the security document. The identity is decrypting using a secret key associated with the public key, allowing a signature to... Agent: Silverbrook Research Pty Ltd

20080101607 - Streaming implementation of alphaeta physical layer encryption: A method of synchronizing the encryption/decryption functions of an AlphaEta physical-layer encryption or key generation system. The method includes the insertion of a header to indicate the start of encryption after clock-synchronization has been established. The method also allows for a side-channel to signal other useful information, such as a... Agent: Farhad Shir

20080101608 - Method and apparatus for handling protocol error in a wireless communications system: A method for handling protocol errors in a receiver of a wireless communications system includes receiving a ciphered PDU, deciphering the PDU, and triggering a reset procedure when at least one field of the PDU comprises an invalid value.... Agent: Birch Stewart Kolasch & Birch

20080101609 - Method and apparatus for handling protocol error in a wireless communications system: A method for handling protocol errors in a wireless communications system includes establishing a first signaling radio bearer and triggering an integrity protection procedure of the first signaling radio bearer, receiving a first message on the first signaling radio bearer, and neglecting the first message and initiating a synchronization procedure... Agent: Birch Stewart Kolasch & Birch

20080101611 - Key distribution in systems for selective access to information: A combination of stateless and state-full techniques enable reduced overall key management messages. A set of encryption keys is created based on a stateless subset cover scheme, where each user is associated with a leaf in the subset cover scheme. A state key and a corresponding state representing a subset... Agent: Ericsson Inc.

20080101610 - Systems and methods for management and auto-generation of encryption keys: Systems, methods and media for managing and generating encryption keys are disclosed. In one embodiment, a processor executes encryption key processing computer code to receive requests for keys from an application program. The processor determines whether the requesting application program executes on a node or server that is within the... Agent: Ibm Corporation (jss) C/o Schubert Osterrieder & Nickelson PLLC

20080101612 - Quantum key distribution protocol: A quantum key distribution protocol is provided that reduces the maximum value of the leaked information amount over the same distance when an adversary makes a photon number splitting attack more than the reduction by the BB84 protocol and the SARG protocol, by making use of the advantages of the... Agent: Kenyon & Kenyon LLP

20080101613 - Autonomous field reprogramming: The reprogramming system provides for field reprogramming of programmable devices. In particular, a key encryption system generates reprogramming components used to install reprogram data on programmable devices located in the field. The reprogramming component includes an encrypted access key file necessary to unlock the programmable device and reprogram software files... Agent: Thompson Hine L.L.P. Intellectual Property Group

20080101614 - Method and apparatus for providing secured content distribution: A method and apparatus for providing secured content distribution using a media hub is disclosed. In one embodiment, conditional access encrypted content is received at the media hub. The conditional access encrypted content is decrypted. The content is re-encrypted in accordance with a unique tier associated with the media hub... Agent: Motorola, Inc. Law Department

20080101615 - Certification of transactions: A method of production and distribution of asymetric public and private keys between a key generation centre and at least one user unit (DEC), the unit comprising a security module (SM), the method consisting in generating certificates comprising a public key and a private key in a first cryptographic unit... Agent: Woodard, Emhardt, Moriarty, Mcnett & Henry LLP