Cryptography inventions 05/07

20070121933 - Information transfer system, encryption device, and decryption device: To provide a content delivery system which enables a ciphertext to be reduced in size when using the ElGamal cipher. A content delivery device performs elliptic curve encryption on a content key, generates an encrypted content key that includes an x coordinate of an elliptic curve point obtained by the... Agent: Wenderoth, Lind & Ponack L.L.P.

20070121934 - Prime calculation device,method,and key issuing system: The present invention offers a prime calculating apparatus for achieving prime calculation where producing identical primes is avoided by simple management techniques. The prime calculating apparatus stores a known prime q and management information unique in the use range of primes. The prime calculating apparatus reads the management information; generates... Agent: Wenderoth, Lind & Ponack L.L.P.

20070121935 - Method for countermeasuring in an electronic component: The invention relates to a method for countermeasuring in an electronic component while using a public key cryptographic algorithm. The invention involves the use of a public key cryptographic algorithm containing an exponentiation calculation y=gˆd, in which g and y are elements of specified group G noted in a multiplicative... Agent: Buchanan, Ingersoll & Rooney PC

20070121937 - Site-specific access management: A system for ensuring access management of a given site by providing integrated and comprehensive assessment of persons, livestock or objects that are given access to the site. The system includes a database of information about the site and potential accessors, a communication and scanning device to collect, retrieve and... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20070121936 - Zero-knowledge proof cryptography methods and devices: A cryptography method involving a keyholder having a number m≧1 of private keys Q1, Q2, . . . , Qm and respective public keys G1, G2, . . . , Gm, each pair of keys (Qi, Gi) (where i=1, . . . , m) satisfying either the relationship Gi=Qiv mod... Agent: Thomas Langer Cohen, Pontani, Lieberman & Pavane

20070121938 - Decryption method and apparatus using external device or service and revocation mechanism, and decryption support method and apparatus: A method of protecting digital contents includes: requesting an external device or service to perform a part of a process of decrypting encrypted contents which correspond to a leaf node among a plurality of leaf nodes in a tree used in a revocation mechanism according to whether the leaf node... Agent: Sughrue Mion, PLLC

20070121940 - Digital broadcasting conditional access terminal and method: A mobile communication terminal for efficient digital broadcasting conditional access and a method of the mobile communication terminal. The mobile communication terminal includes a digital broadcasting receiver for receiving a scrambled digital broadcasting transport stream, a Subscriber Identify Module (SIM) card unit for generating a decoding key for descrambling the... Agent: Dilworth & Barrese, LLP

20070121939 - Watermarks for wireless communications: In a communication system comprising a plurality of transmit/receive units (TRUs), a method for embedding a watermark into data includes modifying a carrier signal containing data to embed watermark information. The modified carrier signal is transmitted. A receiver receives the modified carrier signal and extracts the watermark information from the... Agent: Volpe And Koenig, P.C. Dept. Icc

20070121941 - Method and system of transferring scrambled content: Method and system of transferring scrambled content from location to another. The method and system may include transferring the scrambled content without requiring the descrambling thereof. The method and system may be used to transfer live content, stored content, and the like. The content may relate to television programming and... Agent: Brooks Kushman P.C.

20070121942 - Information terminal: In a first terminal serving as rights assignment source, an encoding binding state of a key encoding key included in a rights object is converted from a bind using a binding key of the first terminal and a bind using a domain key. Then, the rights object including the thus... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070121943 - Data obfuscation: A portion of data is obfuscated by performing a bitwise XOR function between bits of the data portion and bits of a mask. The mask is generated based on the memory address of the data portion. A bitfield representing the memory address of the data portion is split into subset... Agent: Seed Intellectual Property Law Group PLLC

20070121945 - Adjustable chaotic signal generator using pulse modulation for ultra wideband (uwb) communications and chaotic signal generating method thereof: An adjustable chaotic signal generator using pulse modulation for UWB communications, and a chaotic signal generating method thereof are provided. The chaotic signal generator for UWB communications includes a plurality of pulse generators which generates pulses of different frequencies; at least one combiner which combines the pulses generated at the... Agent: Sughrue Mion, PLLC

20070121944 - Transmitter using chaotic signal: The invention provides a transmitter using a chaotic signal which turns on/off a supply voltage of a chaotic signal generator in accordance with a transmitted digital data signal, without requiring a separate modulator for combining the chaotic signal and the digital data signal. The transmitter uses a chaotic signal for... Agent: Lowe Hauptman Berner, LLP

20070121946 - Radio communication system, radio communication device, radio communication method, and computer program: A scrambling initial value is shared without deteriorating transmission efficiency. On the transmission side, a scrambling initial value is created based on a part of a physical layer header not scrambled, a transmission signal sequence scrambled is created by calculating an exclusive-OR operation between a scrambled sequence generated from the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070121948 - Key establishment method and system using commutative linear function: Provided are a key establishment method and system using commutative linear functions. In the method, a server defines a set of linear functions that use elements of a first finite field as coefficients and satisfy a commutative rule, selects a first linear function from the set, and selects a predetermined... Agent: Ladas & Parry LLP

20070121947 - Methods and apparatus for providing a key management system for wireless communication networks: Embodiments of methods and apparatus for providing a key management system for wireless communication networks are generally described herein. Other embodiments may be described and claimed.... Agent: Intel Corporation C/o Intellevate, LLC

20070121950 - Data processing system, data processing method, and program providing medium: The inventive data processing apparatus enables own memory device to store a plurality of key distribution approval data files each containing such a header data comprising a number of “link-count” data units each designating actual number of applicable contents data per decodable contents key based on an enabling key block... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070121949 - Systems and methods for facilitating secure key distribution to an embedded device: An embedded program on an embedded device determines whether a security key has been assigned to the embedded device. If the security key has not been assigned, the embedded program uses a random number that is provided by a manufacturer of the embedded device and that is stored in memory... Agent: Madson & Austin Gateway Tower West

20070116268 - Method of delivering content data and communication terminal for use therein: A method of delivering content data is provided that makes content data able to be reproduced at a user terminal by delivering content key data necessary to decrypt the content data. Specifically, portable storage media storing in advance the content data encrypted with the content key data is connected to... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070116266 - Method, system, and apparatus for dynamically validating a data encryption operation: A method, system, and apparatus for dynamically validating a data encryption operation are disclosed. In one embodiment, a method is provided which comprises decrypting a first sequential data element of a plurality of data elements substantially in parallel with the encryption of a second sequential data element of the plurality,... Agent: Dillon & Yudell, LLP

20070116267 - Methods for categorizing input data: Methods are provided for categorizing input data into a selected data type category. Exemplary embodiments are directed to the categorization of binary input data, for example random input data, as either compressed or encrypted based on statistical analysis. To this end, at least a portion of the input data is... Agent: Martin & Henson, P.C.

20070116270 - Calculating unit for reducing an input number with respect to a modulus: A calculating unit for reducing an input number with respect to a modulus, wherein the input number has input number portions of different significances, wherein the input number portions represent the input number with respect to a division number, wherein the modulus has modulus portions of different significances, and wherein... Agent: Dickstein Shapiro LLP

20070116269 - System and method for updating keys used for public key cryptography: A provider system is disclosed for providing a sequence of public keys to a receiver system, wherein each public key of the sequence is related to a private key and is applicable for a public key cryptography procedure. The provider system can include a computing unit and a sending unit.... Agent: Brake Hughes PLC C/o Intellevate

20070116271 - Method and apparatus for data encryption: A method and apparatus for use in encrypting and decrypting digital communications converting an initial block to final block based on freely selectable control information and secret key information having double the length of prior art keys and maintaining compatibility with the prior art encryption system.... Agent: Duane Morris LLP Suite 700

20070116272 - Method and apparatus for data encryption: A method and apparatus for use in encrypting and decrypting digital communications converting an initial block to final block based on freely selectable control information and secret key information having double the length of prior art keys and maintaining compatibility with the prior art encryption system.... Agent: Duane Morris LLP

20070116273 - Method and apparatus for data encryption: A method and apparatus for use in encrypting and decrypting digital communications converting an initial block to final block based on freely selectable control information and secret key information having double the length of prior art keys and maintaining compatibility with the prior art encryption system.... Agent: Duane Morris LLP

20070116274 - Terminal, method and computer program product for recording broadcast content: A terminal for recording broadcast content includes a processor configured for receiving broadcast content for a selected channel, and a user input interface. The user input interface includes a key configured for performing a first function in response to a first manner of depressing the key, where the same key... Agent: Alston & Bird LLP

20070116275 - Method for the secure transmission of data, via networks, by exchange of encryption information, and corresponding encryption/decryption device: A device is dedicated to encrypting/decrypting data in a communication equipment able to exchange data with another data equipment of an equivalent type via at least one communication network entailing modulation/demodulation. This device comprises processing means adapted i) in the event of setting up a call between their called equipment... Agent: Sughrue Mion, PLLC

20070116276 - Digital broadcasting receiving system and digital broadcasting receiving device: A digital broadcasting receiving system is provided. The digital broadcasting receiving system includes an information processing device for executing a loader, a main process, and a supervisory process, a digital broadcasting receiving device detachably connected to the information processing device. The information processing device includes storage means on which the... Agent: Bell, Boyd & Lloyd, LLP

20070116277 - Method and system for encryption/decryption of scalable video bitstream for conditional access control based on multidimensional scalability in scalable video coding: Disclosed is a system and method for encryption of a scalable video coding (SVC) bitstream, which is the next-generation coding technology. The encryption method encrypts Nation Adaptation Layer (NAL) data identified according to multidimensional scalability for space, time, and quality with respect to a bitstream created after an SVC encoding,... Agent: The Farrell Law Firm, P.C.

20070116278 - Information recording/playback apparatus and method: A block key to encrypt block data is generated using an ATS (arrival time stamp) appended to each of TS (transport stream) packets included in a transport stream correspondingly to the arrival time of the TS packet. The ATS is a random data depending upon an arrival time, and so... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070116279 - Secure terminal: A secure terminal comprises: primary means consisting of processing means, data and program storage means, security means and data input means, wherein the components of the primary means are interconnected by a first data bus; peripheral means consisting of printing means, means for reading from/writing to a card and means... Agent: Osha Liang L.L.P.

20070116280 - Information processing apparatus and method, information recording medium manufacturing apparatus and method, and information recording medium: An information processing apparatus includes a data processor that obtains a security check code included in content codes recorded on an information recording medium when using content and that conducts security check for the information processing apparatus in accordance with the obtained security check code. The data processor obtains information... Agent: Wolf Greenfield & Sacks, PC

20070116281 - E-mail with secure message parts: A method for preventing a recipient of an electronically transmitted message from taking at least one action in relation to the message is disclosed. The message has at least two parts with one of the parts having a higher level of security than the other part. The method includes the... Agent: Ridout & Maybee Suite 2400

20070116282 - Method and apparatus for security in a data processing system: Method and apparatus for secure transmissions. Each user is provided a registration key. A long-time updated broadcast key is encrypted using the registration key and provided periodically to a user. A short-time updated key is encrypted using the broadcast key and provided periodically to a user. Broadcasts are then encrypted... Agent: Qualcomm Incorporated

20070116283 - Method and device for efficient multiparty multiplication: The invention introduces, in the framework of secure multiparty computation based on homomorphic threshold cryptosystems, a protocol and a special type of multiplication gate that can be realized in a surprisingly simple and efficient way using just standard homomorphic threshold ElGamal encryption. As addition gates are essentially for free, the... Agent: Philips Intellectual Property & Standards

20070116284 - Method and system for encrypting data delivered over a network: Systems and methods are provided for delivering e-mail, typically with time relevant content, to users, whose e-mail addresses are encrypted. Specifically, the e-mails are administered by a host or home server that is transparent to the e-mail addresses of the computers and e-mail clients, that electronic communications are being sent... Agent: Lathrop & Gage Lc

20070116285 - Method and system for secure packet communication: A method for processing a communication data item. The communication data item is divided into at least two unencrypted packets to be encrypted. Each encrypted packet is generated from a corresponding unencrypted packet. Each unencrypted packet has a packet header and plaintext data. The packet header has an identifier field... Agent: Schmeiser, Olsen & Watts

20070116286 - quantum communication system: A measuring unit for determining information from an input signal, the unit comprising a decoder configured to perform a measurement on said input signal using two operators, a first operator configured to distinguish between two orthogonal states of said input signal and a second operator selected from an inverting operator... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070116287 - Method for managing keys and/or rights objects: One or more rights objects (RO) files may be used for storing RO's preferably in the protected area available only to authenticated users. A RO navigation file is stored preferably in an unprotected public area containing status bits, where each status bit identifies whether a location in a RO file... Agent: Parsons Hsue & De Runtz, LLP - Sandisk Corporation

20070116288 - System for managing keys and/or rights objects: One or more rights objects (RO) files may be used for storing RO's preferably in the protected area available only to authenticated users. A RO navigation file is stored preferably in an unprotected public area containing status bits, where each status bit identifies whether a location in a RO file... Agent: Parsons Hsue & De Runtz, LLP - Sandisk Corporation

20070116289 - Non-deterministic number generation: A method for determining the entropy of a noise source providing a bit flow, a method and a device for generating a bit flow, including parallelizing the bit flow to obtain first words over a first number of bits, applying to the successive words a compression function, and evaluating a... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, PC

20070116290 - Method of detecting incorrect ieee 802.11 wep key information entered in a wireless station: A method for verifying WEP key information for a wireless station in a wireless network containing an access point includes generating a first test data frame with the wireless station in which a destination address of the first test data frame is an address of the wireless station; encrypting the... Agent: North America Intellectual Property Corporation

20070116292 - Mobile terminal, data communication method, and computer program: A mobile terminal includes a near-field communication device capable of performing near-field wireless communication with an external device, and a controller configured to instruct the external device or the near-field communication device to execute a command. The near-field communication device has a storage unit, a first mutual authentication unit for... Agent: Bell, Boyd & Lloyd, LLP

20070116291 - System and method for utilizing a proximity network system for providing wireless communication network authentication: A proximity detection system (100) includes a substantially flat electronic circuit that can be printed on a label or tag (113). The tag (113) is used with an electronic device (103, 107, 109, 111) for wireless communication in a network where the tag is affixed to the electronic device for... Agent: Motorola, Inc Intellectual Property Section

20070116293 - Method for establishing a communication key between subscribers of a wirelessly operating communication system: A method for agreeing a communication key between communication subscribers of a wirelessly operating communication system is provided. The method for agreeing a communication key includes using a communication key to determine at least one further communication key for security-related services, and exchanging acoustic signals for agreeing the communication key... Agent: Brinks Hofer Gilson & Lione

20070116294 - Cryptographic key distribution system and method for digital video systems: A system and method for distribution of cryptographic keys to data encryption and decryption devices used to protect digital video/multimedia data transmitted over a display link between a digital video/multimedia source and a display device are provided. The digital data, which may be in Digital Visual Interface (DVI) format, from... Agent: Paul Churilla C/o Intellevate

20070110230 - Authentication engine architecture and method: Provided is an architecture (hardware implementation) for an authentication engine to increase the speed at which multi-loop and/or multi-round authentication algorithms may be performed on data packets transmitted over a computer network. Authentication engines in accordance with the present invention apply a variety of techniques that may include, in various... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070110228 - Controlling database copyrights: Briefly, in accordance with one or more embodiments, copyrights of digital data may be controlled.... Agent: Berkeley Law & Technology Group, LLP

20070110224 - Data masking application: A process for masking data that includes providing a field of data to a masking application system and replacing the field of data with identical masked data regardless of a type of application that supplies the field of data to the masking application system. The process further including forming a... Agent: Accenture Chicago 28164 Brinks Hofer Gilson & Lione

20070110225 - Method and apparatus for efficient encryption: Methods and apparatuses are provided for accelerating the throughput and or reducing the power consumption of symmetric cryptography algorithms. Certain computations of a symmetric encryption or decryption algorithm are performed during a first phase, the results are saved to memory, and the results are retrieved to encode data during a... Agent: Macpherson Kwok Chen & Heid LLP

20070110227 - Method and apparatus for reproducing contents data: Encrypted contents data and a non-core decryption software program are read out from a recording medium. The non-core decryption software program corresponds to a non-core portion of a decryption algorithm. The read-out encrypted contents data is processed into first processed contents data by executing the read-out non-core decryption software program.... Agent: Louis Woo Law Office Of Louis Woo

20070110229 - Ternary and multi-value digital signal scramblers, descramblers and sequence of generators: Reversible and self reversing multi-value scrambling functions created by applying multi-value inverters are disclosed. The generation of possible multi-value inverters is also presented. Corresponding multi-value descrambling functions are also disclosed. The multi-value functions are used in circuits that scramble and descramble multi-value signals. The multi-value functions can also be used... Agent: Glen M. Diehl Diehl Servilla LLC

20070110226 - Transmission/reception system, transmission/reception method, receiver device, reception method, and program: The present invention provides a transmission/reception system including a first sender device, a second sender device, and a receiver device. The first device is configured to encrypt stream data by a predetermined encryption method and transmit the encrypted stream data. The second sender device is configured to transmit stream data... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070110232 - Encryption apparatus, decryption apparatus, and method: A method whereby an encryption apparatus encrypts a message on the basis of a fibration X(x, y, t) serving as a public key when private keys are two or more sections corresponding to fibration X(x, y, t)=0 of an algebraic surface X, the method comprises embedding plaintext M obtained by... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070110233 - System and method for providing extensible controls in a communities framework: A communities framework is disclosed which contains resources in a repository. The repository contains data stored in nodes wherein each node has data associated with a collaboration resource and each resource has a set of properties or attributes. A server can provide a content object for wrapping the node wherein... Agent: Fliesler Meyer LLP

20070110231 - System and method for providing notifications in a communities framework: A community enables user membership in a distributed collaborative computing environment. The members can have access to a repository of resources. Dynamic notifications between client and server can be provided. A member can be logged onto a client which pings the server computer through no interaction of the user. A... Agent: Fliesler Meyer LLP

20070110234 - Method and apparatus for computing a shared secret key: A method of generating a key by a first correspondent. The key is computable by a second correspondent. The method comprises the steps of: a) making available to the second correspondent a first short term public key, b) obtaining a second short term public key from the second correspondent; c)... Agent: Blake, Cassels & Graydon LLP

20070110235 - Method and system for authenticating appraisal reports: A computer implemented method for authenticating an appraisal report comprising collecting data on an appraisal document, extracting the data, encrypting the data, encoding the encrypted data into an image, affixing the image onto the appraisal document, extracting the image from the appraisal document, decrypting the encrypted data, and verifying the... Agent: Jeffrey A. Travis C/o Plager Law Offices, P.C.

20070110236 - Encryption/recording device and method: An encryption processing unit encrypts encoded data while changing an encryption key for at least one encryption block, and generates management information including key application information and application range information. A recording unit records the encrypted encoded-data and the management information on a recording medium. The encryption processing unit encrypts,... Agent: Foley And Lardner LLP Suite 500

20070110238 - Information recording and/or reproducing apparatus: Contents data that have been enciphered and transmitted are recorded as they are on a recording medium, and the contents key used to encipher these data is enciphered in a way used in this recording system and is recorded on the medium. Moreover, a step is taken to ensure that... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070110237 - Watermarking in an encrypted domain: Methods, apparatus and systems for embedding auxiliary information in encrypted host signals are provided. The present invention enables secure application of digital watermarks at any point in the transmission and/or distribution of digital content by enabling the insertion of a plurality of digital watermarks, without the knowledge of the encryption/decryption... Agent: Lipsitz & Mcallister, LLC

20070110239 - Microprocessor including random number generator supporting operating system-independent multitasking operation: A microprocessor that includes a random number generator (RNG) that saves and restores its own state on a task switch without operating system (OS) support. The RNG includes a control and status register (CSR) for storing control values that affect the generation of random numbers. The CSR is not saved... Agent: Huffman Law Group, P.C.

20070110240 - System and methods for permitting open access to data objects and for securing data within the data objects: A system and methods for permitting open access to data objects and for securing data within the data objects is disclosed. According to one embodiment of the present invention, a method for securing a data object is disclosed. According to one embodiment of the present invention, a method for securing... Agent: Scott A. Moskowitz

20070110241 - Active stabilization of a one-way qkd system: A one-way stabilized QKD system (10) that utilizes a control signal (CS) and a quantum signal (QS) that travel the same path through the system from a first QKD station (Alice) to a second QKD station (Bob). The control signal is detected at Bob and used to stabilize Bob's side... Agent: OpticusIPLaw, PLLC

20070110242 - Communication system and communication method using the same: A quantum cryptography system of the present invention includes a first station 1, a transmission path 2, and a second station 3. The first station 1 has means for emitting time-divided optical pulses into the transmission path 2 and measuring a phase difference between the optical pulses returning from the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070110243 - Data transfer system, data transfer device, data recording device and data transfer method: It is an object to provide an efficient transfer of content data. In a case of transferring the content data from a data transfer device on a primary recording medium side to a data recording device to record the content data in a secondary recording medium, a data compression system... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070110244 - Method, apparatus and system for enabling a secure wireless platform: A method, apparatus and system enable a secure wireless platform. Specifically, embodiments of the present invention may utilize a secure processing area to enforce security mechanisms on the wireless platform, thus isolating the security measures (e.g., security keys) from the host operating system on the wireless node.... Agent: Intel Corporation C/o Intellevate, LLC

20070110245 - Method, apparatus and system for protecting security keys on a wireless platform: A method, apparatus and system enable security keys to be processed in a dedicated partition on a secure wireless platform. Specifically, embodiments of the present invention may utilize a secure processing area (i.e., a dedicated partition) to generate security keys and to utilize the security keys to perform a 4-way... Agent: Intel Corporation C/o Intellevate, LLC

20070110246 - Information processing apparatus and method, setting apparatus and method, and program: An information processing apparatus for using key information calculated on the basis of predetermined information including information obtained from an IC chip as a communication party on the other end in order to perform encryption processing with the IC chip. The information processing apparatus includes: among a plurality of calculation... Agent: Rader Fishman & Grauer PLLC

20070110247 - Intrusion detection with the key leg of a quantum key distribution system: In a method for secure transmission of data using a quantum key distribution system where individual photons each having a state of polarization are transmitted from the source to the recipient and where the state of polarization the photons is used to provide the series of bits of the encryption... Agent: Ade & Company Inc.

20070110248 - Method for key distribution in a hierarchical multicast traffic security system for an internetwork: Multicast networks are partitioned into hierarchical security domains. Each security domain may comprise one or more lower security domains. Each security domain includes a security broker that distributes a group key and translates multicast data destined to the security domain, if necessary. A primary security broker at the second level... Agent: Blakely Sokoloff Taylor & Zafman

20070104322 - Digital signature method based on braid groups conjugacy and verify method thereof: The present invention discloses a digital signature scheme based on braid group conjugacy problem and a verifying method thereof, wherein the signatory S selects three braids xεLBm(l), x′εBn(l), aεBn(l), and considers braid pair (x′,x) as a public key of S, braid a as a private key of S; Signatory S... Agent: Sutherland Asbill & Brennan LLP

20070104323 - Method and system for providing privacy to sender of a mail piece: Methods and systems for keeping information related to the sender of a mail piece private, while still allowing authorized parties to easily obtain the sender information if desired, is provided. Sender information for a mail piece is encrypted utilizing an identity-based encryption (IBE) scheme. The encryption key used to encrypt... Agent: Pitney Bowes Inc. 35 Waterview Drive

20070104325 - Apparatus and method of detecting steganography in digital data: Disclosed is a method of detecting stego data by determining whether a secret message is hidden in digital data. A method of detecting according to the invention includes extracting at least one sample vector using at least one sample of digital data; in at least one high order box including... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070104324 - Data processing apparatus: Data processing apparatus and methods are provided. One data processing apparatus comprises: a plurality of pipelined stages, each of the plurality pipelined stages being operable in each processing cycle to receive a group of data elements from an earlier pipelined stage; permute logic operable to buffer ‘n’ of the groups... Agent: Nixon & Vanderhye, PC

20070104326 - Generation of unique significant key from url get/post content: Generating a unique URL key for a web document according to an obtained key generating policy. The URL of a web page is parsed according to the policy in order to generate the URL key. Preferably, the key generating policy is obtained from a well known source associated with the... Agent: John E. Campbell IBM Corporation

20070104327 - Error detection in high-speed asymmetric interfaces utilizing dedicated interface lines: A system and method for detecting errors in high-speed asymmetric interfaces are described. Embodiments include transmitting digital data between a first system component and a second system component over a bidirectional interface, wherein the first component is significantly more intelligent than the second component. The first component receives a signature... Agent: Courtney Staniford & Gregory LLP

20070104328 - Image signal processing device: An image signal processing device, which uses a horizontal synchronizing signal detector to find a frequency (period) of an original horizontal synchronizing signal from an external input horizontal synchronizing signal and provide an internal reference horizontal synchronizing signal with the same frequency same as the original horizontal synchronizing signal to... Agent: Bacon & Thomas, PLLC

20070104329 - System and method for authenticating an operating system to a central processing unit, providing the cpu/os with secure storage, and authenticating the cpu/os to a third party: In accordance with certain aspects, an operating system is booted for execution on a central processing unit (CPU). An atomic operation is executed, and if the atomic operation completes correctly then a software identity register of the CPU is set to an identity of the operating system.... Agent: Lee & Hayes PLLC

20070104330 - Information storage device and information processing apparatus: The present invention provides a card and a user terminal mounted with the card so that the user terminal can perform a process in cooperation with a contactless communication process performed by the card. A card 30 includes contactless communication means, contact communication means, and control means 33 for performing... Agent: Pearne & Gordon LLP

20070098149 - Decryption key table access control on asic or assp: An ASIC or ASSP has processor circuitry (110), a predetermined initialization program (100) for execution by the processor circuitry at power up, and a non-volatile key table (120) readable by the initialization program, and not accessible otherwise by the processor circuitry. The initialization program reads a key index associated with... Agent: Bacon & Thomas, PLLC

20070098151 - Cryptographic protocol security verification apparatus, cryptographic protocol design apparatus, cryptographic protocol security verification method, cryptographic protocol design method and computer program product: A cryptographic protocol security verification apparatus includes a formal verification unit verifying a presence or absence of a defect of a process for a party and a first virtual entity based on a description of a verifiable cryptographic protocol specification data, wherein the verifiable cryptographic protocol specification data includes a... Agent: Amin, Turocy & Calvin, LLP

20070098150 - Hash function constructions from expander graphs: Hash function constructions from expander graphs are described. In one aspect, an expander graph is walked to compute a hash function. The expander graph is walked using respective subsets of an input message. A label of a last vertex walked is an output of the hash function.... Agent: Lee & Hayes PLLC

20070098153 - Cryptographic processing apparatus: A cryptographic processing apparatus includes a holding unit adapted to hold data of a processing target, an intermediate data holding unit adapted to hold information generated during the cryptographic processing as intermediate data, a circuit reconfiguration processor which reconfigures a first circuit which generates round key information on the basis... Agent: Fitzpatrick Cella Harper & Scinto

20070098152 - Encryption/decryption of stored data using non-accessible, unique encryption key: Encryption and decryption of data stored from a computing system to a storage medium is disclosed wherein the processing employs a non-accessible encryption key that is unique to the computing system. The unique encryption key can be embedded in non-removable hardware of the computing system or generated, e.g., from identification... Agent: Kevin P. Radigan, Esq.

20070098154 - Simultaneous scalar multiplication method: In computing point multiples in elliptic curve schemes (e.g. kP and sQ) separately using, for example, Montgomery's method for the purpose of combining kP+sQ several operations are repeated in computing kP and sQ individually, that could be executed at the same time. A simultaneous scalar multiplication method is provided that... Agent: Blake, Cassels & Graydon LLP

20070098155 - Data processing device and data processing method: Input data is stored in input buffers provided for respective input channels. An operation channel control section controls an input data selector to allow the data stored in the input buffers to be input into an operation circuit by the block unit in a time-division manner. The operation circuit encrypts... Agent: Mcdermott Will & Emery LLP

20070098156 - Digital rights management: A method for allocating to a device a license to use digital content, the method comprising the steps of: receiving a first block of ciphertext from the device; decrypting the first block of ciphertext to obtain a second block of ciphertext; determining whether the second block of ciphertext meets a... Agent: Ladas & Parry

20070098158 - Encoding and detecting apparatus: An encoding data processing apparatus is arranged to generate a marked copy of an item of material by introducing at least one code word into a copy of the material item, the code word being arranged to identify a payload data word. The encoding apparatus comprises an encryption circuit operable... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070098159 - Method and apparatus for providing prepaid music card for deciphering recorded broadcast audio signals: An apparatus and method are provided for deciphering recorded digital audio signals and using a smart card to pay for deciphering. Encrypted digital audio signals are recorded onto a recording medium, such as a compact disc or the like. When the user desires to listen to the recording, the encrypted... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070098157 - Using code as keys for copy protection: A method for obscuring data and software including the steps of (A) generating code for performing a predefined operation using one or more sets of predefined data, (B) generating a first binary representation of the code and (C) mixing the one or more sets of predefined data into the binary... Agent: Lsi Logic Corporation

20070098160 - Scrambling and self-synchronizing descrambling methods for binary and non-binary digital signals not using lfsrs: The invention discloses methods to create binary and n-valued sequences using addressable memory methods. Methods and apparatus to scramble and descramble binary and non-binary sequences using addressable memory methods are also disclosed. The invention further discloses methods using addressable memory to scramble binary and non-binary sequences and corresponding self-synchronizing descrambling... Agent: Diehl Servilla LLC

20070098161 - Secure printing: A system and methods provides secure end-to-end printing in networked computing environments, such as a corporate office environment employing a number of shared printers. The described system and methods are applicable in various scenarios to provide an enhanced solution for secure printing.... Agent: Hewlett Packard Company

20070098162 - Method and apparatus for managing rights of multi-layered multimedia stream by layers: A method and apparatus capable of managing the rights of multi-layered video bitstreams by layers are provided. The method includes generating a scalable bitstream from an input video, the scalable bitstream having a plurality of layers of data; generating encryption keys, each encryption key corresponding to a respective one of... Agent: Sughrue Mion, PLLC

20070098163 - Error detection in high-speed asymmetric interfaces: A system and method for detecting errors in high-speed asymmetric interfaces are described. Embodiments include transmitting digital data between a first system component and a second system component over a bidirectional interface, wherein the first component is significantly more intelligent than the second component. The first component controls many operations... Agent: Courtney Staniford & Gregory LLP

20070098164 - Adaptive equalization of a polarization scrambled optical signal: A receiver (1″) for a polarization scrambled optical signal comprising an adaptive equalizer (3′) and a feedback signal generating means (12) for generating a feedback signal serving to adjust the equalizer (3′) characterized by a filtering means (11) for filtering the feedback signal by selecting minimum or maximum values of... Agent: Sughrue Mion, PLLC

20070098165 - Viewing control apparatus, viewing control program and secure module: Contents specified by an EMM and EMM update information for updating an expiration date are associated with an advertisement. EMM is updated when the advertisement is viewed so as to allow the contents specified by the EMM update information to be viewed. This ensures that a viewer views the advertisement... Agent: Greenblum & Bernstein, P.L.C

20070098166 - Slice mask and moat pattern partial encryption: A selective encryption encoder consistent with certain embodiments of the invention has vertical and/or horizontal stripes encrypted. In one embodiment, packets are examined in the digital video signal to identify a specified packet type, the specified packet type being both packets carrying intra-coded data representing a pattern of horizontal stripes... Agent: Miller Patent Services

20070098167 - Information processing device, information recording medium and information processing method, and computer program: A configuration is provided which improves scrambling processing of content and eliminates unauthorized use of content. Scramble rules which differ for each content are used for content scrambling processing. For example, in the event of using shuffling processing, various shuffle states are specified as scramble rules. In the event of... Agent: Bell, Boyd & Lloyd, LLP

20070098168 - Data protection method and corresponding decoding module: A data protection method and its corresponding decoding module applicable in a digital broadcast system with a subscription mechanism are provided. The data protection method includes an encoding mechanism and a decoding mechanism. The encoding mechanism first encodes broadcast data using a first key and encodes the first key with... Agent: Morrison & Foerster LLP

20070098169 - System and method for controlling conditional access systems in a digital television decoder receiving a plurality of streams: In a system for controlling conditional access systems in a digital television decoder (101) with a signal receiving block (102) receiving a plurality of streams (TS1, TS2), a signal processing block (131) having a plurality of decoder descramblers (133, 135) and a conditional access block (141) with at least one... Agent: Matthias Scholl

20070098170 - Digital broadcasting conditional access system and method using authorization revocation list: Provided is a digital broadcasting conditional access system and method using an Authorization Revocation List (ARL) for preventing an illegal pay broadcasting viewing after a secession time by promptly revoking an entitlement of pay service seceders through a periodical transmission of ARL that is daily or monthly prepared and updated... Agent: Mayer, Brown, Rowe & Maw LLP

20070098172 - Digital watermarking applications: Methods and systems include, e.g.,: (1) steganographically embedding location information in images, where the location information is obtained from remote sources like a cell phone network or remote GPS receiver; (2) steganographically embedding participant IDs in content to ensure proper billing and royalty tracking; (3) providing fair-use content management based... Agent: Digimarc Corporation

20070098171 - Method and apparatus for providing authentication in a communication system: A method includes receiving an authentication request from a mobile station (401) and determining whether to forward the request to an authentication agent. When it is determined to forward the request, the request is forwarded to the authentication agent (107). A random number and a random seed are received from... Agent: Motorola, Inc.

20070098173 - Method and arrangement for preventing a function: The invention relates to a method, arrangement and computer program product for temporarily preventing a certain function of a device. In the method according to the invention, a function of a portable device is temporarily blocked, so that in the device there is received a blocking key that blocks a... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070098174 - Narrow-band single-photon source and qkd system using same: A narrow-band single-photon source (10) is disclosed, along with a QKD system (200) using same. The single-photon source is based on spontaneous parametric downconversion that generates signal and idler photons (PS and PI) as an entangled photon pair. Narrow-band signal photons are generated by selectively narrow-band-filtering the idler photons. This... Agent: OpticusIPLaw, PLLC

20070098175 - Security enabler device and method for securing data communications: A security enabler device has a key management module adapted to generate and store security keys and to destroy the generated keys if necessary to protect security. An encryption and authentication module is linked to the data storage module and is adapted to use the security keys to provide secure... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20070098177 - Information processing system and method: An information processing system and method are disclosed in which information processing is performed in a highly efficient manner using an enabling key block (EKB) on the basis of a tree structure including category subtrees. A key tree is produced so as to include a plurality of subtrees that are... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070098176 - Wireless lan security system and method: A wireless LAN security system and method. The system includes a separate server managing an encryption key and an authentication certificate used for security, and providing the encryption key and the authentication certificate to an apparatus that requests them. Such apparatus including a wireless LAN terminal requesting the encryption key... Agent: Robert E. Bushnell Suite 300

20070098178 - Method and apparatus for automatic and secure distribution of an asymmetric key security credential in a utility computing environment: Embodiments of the invention provide a method and an apparatus for automatic, secure, and confidential distribution of an asymmetric key security credential in a utility computing environment. In one method embodiment, the present invention provides an asymmetric key at a management server, the asymmetric key automatically associated with a logical... Agent: Hewlett Packard Company

20070098179 - Wave torque retract of disk drive actuator: A method for protecting secret keys, such as HDCP device key sets, during the manufacturing process is disclosed. In particular, the present invention comprises a method for securely sending and receiving data, such as HDCP device key sets, for use in a cryptosystem. In operation, a first party, referred to... Agent: Texas Instruments Incorporated