Patents
Patents for G09C 1 - Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (12,544)
06/2008
06/18/2008CN101201729A Contents distributing apparatus
06/17/2008US7389428 Data processing system, data processing method, and program providing medium
06/17/2008US7389270 System for controlling the distribution and use of digital works
06/12/2008US20080141045 Data management system, data processing system, and computer-readable medium having on which data management program is recorded
06/12/2008US20080141044 Data management system, data processing system, and computer-readable medium having on which data management program is recorded
06/12/2008US20080141036 Hybrid signature scheme
06/12/2008US20080140578 System for message encryption and signing in a transaction processing system
06/12/2008US20080137865 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks, or other media
06/12/2008US20080137848 Reprogrammable security for controlling piracy and enabling interactive content
06/12/2008US20080137842 Key transformation unit for a tamper resistant module
06/11/2008EP1931106A2 Information providing system
06/11/2008CN101198998A Information security device and elliptic curve operating device
06/11/2008CN101197131A Accidental vocal print password validation system, accidental vocal print cipher lock and its generation method
06/11/2008CN101197095A Variable password
06/11/2008CN100394385C System and method for confirming dynamic attachable executable mirror dependability
06/10/2008US7386869 Broadcast and reception systems, and receiver/decoder and remote controller therefor
06/10/2008US7386735 Method for securing the authenticity of hardware and software in a networked system
06/10/2008US7386722 Certificate management system and method
06/10/2008US7386130 Encryption secured against DPA
06/10/2008US7386124 Block encoding method and block encoding/decoding circuit
06/10/2008US7386123 Method of implementing in an electronic component a cryptographic algorithm for finding the public exponent
06/10/2008US7386122 Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of two
06/10/2008CA2398383C Certification method, communication device and relay device
06/05/2008WO2008064597A1 Method and device for testing service type
06/05/2008US20080133938 Self-protecting digital content
06/05/2008US20080133926 Signature schemes using bilinear mappings
06/05/2008US20080133415 Trusted infrastructure support systems, methods and techniques for secure electronic commerce electronic transaction and rights management
06/05/2008US20080131861 Security methods for preventing access to educational information by third parties
06/05/2008US20080131860 Security and tamper resistance for high stakes online testing
06/05/2008US20080131084 Steganographic Encoding and Detecting for Video Signals
06/05/2008US20080131083 Audio Encoding to Convey Auxiliary Information, and Media Embodying Same
06/05/2008US20080130886 Content security layer providing long-term renewable security
06/04/2008CN101194280A Settlement system using card settlement terminal
06/04/2008CN100393030C Recorder
06/04/2008CN100393029C Method for countermeasure in an electronic component using a secret key algorithm
06/04/2008CN100393026C Cryptographic conversion of binary data blocks
06/04/2008CN100392688C Data conversion device and method
06/03/2008US7383576 Method and system for displaying and managing security information
06/03/2008US7382878 System and method for data encryption
06/03/2008US7382875 Cryptographic method for distributing load among several entities and devices therefor
06/03/2008CA2284018C Extracting data sections from a transmitted data stream
05/2008
05/29/2008US20080127312 Audio-video output apparatus, authentication processing method, and audio-video processing system
05/29/2008DE102006055480A1 Codierverfahren, Decodierverfahren, Codec sowie Datenträger zur holographischen Speicherung Encoding, decoding method, codec and media for holographic storage
05/28/2008CN101188731A Audio-video output apparatus, authentication processing method, and audio-video processing system
05/28/2008CN100391251C Method and system of distributing multimedia data using management information
05/28/2008CN100391145C Apparatus and method for performing transparent block cipher cryptographic functions
05/28/2008CN100390773C Authentication in a communication system
05/27/2008US7380130 Methods and systems for authentication of components in a graphics system
05/22/2008WO2008059860A1 Moving image file and image data processor
05/22/2008WO2002093396A8 Business data processing apparatus using network
05/22/2008US20080120240 Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights management
05/21/2008EP1924022A2 Signature schemes using bilinear mappings
05/21/2008EP1924021A2 Signature schemes using bilinear mappings
05/21/2008EP1923814A2 Systems and methods for secure transaction management and electronic rights protection
05/21/2008EP1922667A1 Receiver, transmitter and communication control program
05/21/2008CN101183499A Scramble code generating method and encryption/decryption method based on the same
05/20/2008USRE40334 Method and apparatus for encrypted data stream transmission
05/20/2008US7376973 Data storage apparatus
05/20/2008US7376845 Method for calculating hashing of a message in a device communicating with a smart card
05/20/2008US7376843 Remote control of VCR with electronic mail
05/20/2008US7376831 Selectively encrypting different portions of data sent over a network
05/20/2008US7376687 Pseudo-random number generator
05/20/2008CA2479619C Certificate information storage system and method
05/15/2008WO2008056667A1 Information management system and encryption system
05/15/2008WO2008056619A1 Content edit apparatus and content verification apparatus
05/15/2008WO2008056612A1 Information security apparatus
05/14/2008EP1921790A1 Signature schemes using bilinear mappings
05/14/2008EP1921579A2 An improved method and system for conducting secure payments over a computer network
05/14/2008CN101180829A Authentication entity device, verification device and authentication request device
05/14/2008CN101179854A Local authentication in a communication system
05/14/2008CN101178861A Method and a circuit for SHA operation with power saved
05/14/2008CN100388663C Method and device for detecting a key pair and for generating rsa keys
05/13/2008US7373506 Data authentication system
05/13/2008US7372963 Device for compression and encryption, and device for decompression and decryption
05/13/2008US7371959 System, method and computer program for ensuring secure use of music playing data files
05/08/2008WO2008053936A1 Pseudo-random number generation device, pseudo-random number generation program, and medium containing pseudo-random number generation program
05/08/2008WO2008053650A1 Common key block encrypting device, its method, its program, and recording medium
05/08/2008US20080107264 Cryptographic Methods, Apparatus and Systems for Storage Media Electronic Rights Management in Closed and Connected Appliances
05/07/2008EP1918847A1 Content server device, on-vehicle player device, system, method, and program
05/07/2008CN101176134A 信息处理装置 The information processing apparatus
05/07/2008CN100386707C Generating key hierarchy for use in isolated execution environment
05/06/2008US7370204 Watermark data embedding apparatus and extracting apparatus
05/06/2008US7370194 Security gateway for online console-based gaming
05/06/2008US7370112 Communication scheme using outside DTCP bridge for realizing copyright protection
05/06/2008US7370103 System and method for distributed management of shared computers
05/06/2008US7370070 Data sharing method, request processing method, program, and apparatus
05/06/2008US7369659 Item handling system
05/02/2008WO2008050544A1 Distributed information generation device and decoding device
05/01/2008US20080101604 Self-protecting digital content
05/01/2008US20080101603 System and method for copy protection for digital signals
04/2008
04/30/2008EP1916818A2 Apparatus, system and method for selectively encrypting different portions of data sent over a network
04/30/2008EP1078491B1 Robust efficient distributed rsa-key generation
04/30/2008CN101171636A Recording medium, authoring device, and authoring method
04/30/2008CN100385941C Method for processing encoded data for a first domain received in a network pertaining to a second domain
04/30/2008CN100385849C Information recording device information reproducing device, information recording mehtod and information reproducing method
04/29/2008US7366303 Integrity protection during initial registration of a subscriber in a telecommunications network
04/23/2008CN101167114A Program converter, encrypting device, and encrypting method
04/23/2008CN100383727C Galois field linear transformer
04/22/2008US7363509 Method, system and program product for electronically executing contracts within a secure computer infrastructure
04/22/2008US7363496 Authenticated ID-based cryptosystem with no key escrow
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