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)
02/2008
02/28/2008US20080052515 Tamper resistant module certification authority
02/28/2008US20080049935 Content security layer providing long-term renewable security
02/27/2008EP1356389A4 System and method for trusted self-billing and payment for utilities including audit, verification, reconciliation and dispute resolution
02/27/2008EP1292166B1 Mobile communication system
02/27/2008EP1195734B1 Data authentication system
02/26/2008US7337329 Secure video card methods and systems
02/26/2008US7337328 Secure video card methods and systems
02/26/2008US7337203 Exponent calculation apparatus and method, and program
02/26/2008US7336887 Content play back, information processing, and play back restriction
02/26/2008US7336789 System for providing encrypted data, system for decrypting encrypted data and method for providing a communication interface in such a decrypting system
02/26/2008US7336783 Cryptographic systems and methods supporting multiple modes
02/21/2008US20080046790 Random number test circuit, random number generation circuit, semiconductor integrated circuit, ic card and information terminal device
02/21/2008US20080046763 Method for sharing encrypted data region among processes in tamper resistant processor
02/21/2008US20080046759 ID installable LSI, secret key installation method, LSI test method, and LSI development method
02/21/2008US20080046413 Information processing system, information processor, information processing method, recording medium, and computer data signal
02/21/2008US20080044017 Copyright protection system, recording device, and reproduction device
02/20/2008EP1451660B1 Methods of accessing and using web-pages
02/20/2008EP1262037B1 Portable data carrier provided with access protection by dividing up codes
02/20/2008CN101127068A Information processing system, information processor, information processing method, and recording program
02/20/2008CN100370725C Enciphering method, deciphering method and certifying method
02/19/2008US7334266 Reproduction control method, program and recording medium
02/19/2008US7334135 Data protection system for removable recording medium
02/19/2008US7334128 Accessing information on a network using an extended network universal resource locator
02/19/2008US7333629 Authentic document and method of making
02/19/2008US7333614 System and method for encypting spread spectrum carrier
02/19/2008US7333609 Encrypting apparatus
02/14/2008WO2008018303A1 Adjusting function-equipped block encryption device, method, and program
02/14/2008US20080037781 Content security layer providing long-term renewable security
02/14/2008US20080037588 Radio communication system and method having a radio link control layer
02/14/2008DE60124765T2 Verfahren und vorrichtung zur verwaltung von sicherheitssensiblen kollaborativen transaktionen Method and device for administration of safety-sensitive collaborative transactions
02/13/2008EP1236304B1 One's complement cryptographic combiner
02/13/2008CN100369074C Method for realizing encryption/decryption processing in SMS4 cipher algorithm
02/13/2008CN100369042C Anti-counterfeit method and apparatus based on CPK electronic label
02/12/2008US7330980 Method of and system for encrypting digital data, method of and apparatus for reproducing digital data, and computer product
02/07/2008WO2008015755A1 Electronic document management program, method, and device
02/07/2008WO2008014654A1 A method, terminal, network side device and system for collecting the communication service quality
02/07/2008US20080034205 Methods and systems for providing access control to electronic data
02/07/2008US20080034201 agile network protocol for secure communications with assured system availability
02/06/2008CN101118630A 个人识别/属性认证系统和个人识别/属性认证方法 Personal identification / authentication system attributes and personal identification / authentication method attribute
02/06/2008CN100367821C Local authentication in a communication system
02/05/2008US7328458 Authoring system, authoring key generator, authoring device, authoring method, and data supply device, information terminal and information distribution method
02/05/2008US7328352 Apparatus and method for reading or writing user data
02/05/2008US7328351 Mail processing apparatus and method
02/05/2008US7328341 Method and apparatus for protecting file system based on digital signature certificate
02/05/2008CA2498163C System for efficient recovery of node-b buffered data following mac layer reset
01/2008
01/31/2008WO2008013154A1 Extension filed multiplication program and extension filed multiplication device
01/31/2008WO2008013083A1 Pseudo random number generator, stream encrypting device, and program
01/31/2008WO2008013076A1 Encryption processing device, method for building encryption process algorithm, encryption processing method, and computer program
01/31/2008WO2008013008A1 Secret communication method and secret communication device thereof
01/31/2008US20080028233 LSI design method and verification method
01/31/2008US20080027865 Individual identifying/attribute authenticating system and individual identifying/attribute authenticating method
01/31/2008US20080025510 Incorporating shared randomness into distributed cryptography
01/31/2008CA2657729A1 Secret communication method and secret communication device thereof
01/30/2008EP1522165A4 Parallel distribution and fingerprinting of digital content
01/30/2008CN101116084A Information processing device, read terminal, non-public information read system, non-public information read method, information processing program, and non-public information read program
01/30/2008CN101116079A Receiver, transmitter and communication control program
01/30/2008CN101114908A Authentication of data transmitted in a digital transmission system
01/30/2008CN101114450A Speech encoding selectivity encipher method
01/30/2008CN100365595C Information processing apparatus, authentication processing method, and computer program
01/30/2008CN100365535C Systems and methods for secure transaction management and electronic rights protection
01/29/2008US7325139 Information processing device, method, and program
01/29/2008US7325115 Encryption of system paging file
01/29/2008US7324974 Digital data file encryption apparatus and method
01/29/2008CA2303049C Method and system of dynamic transformation of encrypted material
01/24/2008US20080022383 Method and system for integrating security mechanisms into session initiation protocol request messages for client-proxy authentication
01/24/2008US20080021835 Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights management
01/24/2008US20080021832 Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights management
01/23/2008EP1510028A4 Advanced encryption standard (aes) hardware cryptographic engine
01/23/2008EP1366622B1 Signal tracing system and method
01/23/2008EP1237321B1 Content distribution system and content distribution method
01/23/2008CN101112035A File encryption/decryption method, device, program, and computer-readable recording medium containing the program
01/23/2008CN101111846A Backup management device, backup management method, computer program, recording medium, integrated circuit, and backup system
01/23/2008CN100364002C Apparatus and method for reading or writing user data
01/22/2008US7321658 Padding application method ensuring security of cryptosystem and encryptor/decryptor
01/17/2008US20080016359 System and method for compressing secure e-mail for exchange with a mobile data communication device
01/17/2008US20080016004 Financial card system, communications device, authentication terminal, authentication method, and program
01/17/2008US20080016001 Unauthorized Device Detection Device And Unauthorized Device Detection System
01/17/2008US20080013726 Content transmission server and content transmission method
01/17/2008US20080013723 Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method
01/16/2008EP1879164A1 Information security device and elliptic curve operating device
01/16/2008CN101106469A Control system and method for multi-party demonstration manuscript conference
01/15/2008US7320138 Image authentication apparatus, image authentication method, and image authentication program
01/10/2008WO2008004312A1 Net settlement assisting device
01/10/2008WO2008003260A1 Method and apparatus for connecting multiple multi-party calls
01/10/2008WO2008003247A1 Method, device and system implementing multimedia redording
01/10/2008WO2008003207A1 A method and system for allocating loss based on the traffic level
01/09/2008EP1876577A1 Program converter, encrypting device, and encrypting method
01/09/2008EP0962071B1 Method for authorization check
01/09/2008CN101103589A Communication system and method
01/09/2008CN101103588A Communication system and method
01/09/2008CN101101711A Non-number cipher system
01/09/2008CN100361221C Broadcasting information right protective apparatus and method
01/09/2008CN100361038C Apparatus and method for program tamper detection ,and program
01/08/2008US7318236 Tying a digital license to a user and tying the user to multiple computing devices in a digital rights management (DRM) system
01/08/2008US7318161 Encrypted file retrieval method and device and computer-readable recording medium
01/08/2008US7318156 Group signature apparatus and method
01/08/2008US7317794 Enciphering and deciphering apparatus, and enciphering and deciphering method
01/03/2008WO2008001918A1 Random number generation device, encryption/decryption device using the same, its program, and program recording medium
01/03/2008WO2008001707A1 Personal information/confidential information managing system and personal information/confidential information managing method
01/03/2008WO2008000129A1 A method and device for providing test routes and a routing test system
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