| 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) |
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| 07/31/2007 | US7251325 Public key cryptosystem using finite non abelian groups |
| 07/31/2007 | US7250906 Methods and apparatus for identifying asset location in communication networks |
| 07/26/2007 | WO2007083528A1 Encryption/decryption device, encryption/decryption method, and computer program |
| 07/26/2007 | US20070174402 System and method for verifying delivery and integrity of electronic messages |
| 07/26/2007 | DE19960977B4 System für ein elektronisches Datenarchiv mit Erzwingung einer Zugriffskontrolle beim Datenabruf System for an electronic data archive with enforcing an access control data retrieval |
| 07/25/2007 | EP1811419A2 Digital content management system using electronic watermark |
| 07/25/2007 | CN101005587A Method for providing information on digital TV receiver |
| 07/25/2007 | CN101005358A Digital signature generating apparatus and method, |
| 07/25/2007 | CN101004805A Digital document management system, digital document management method, and digital document management program |
| 07/24/2007 | US7249259 Hybrid signature scheme |
| 07/24/2007 | US7248696 Dynamic system bus encryption using improved differential transitional encoding |
| 07/24/2007 | US7248692 Method of and apparatus for determining a key pair and for generating RSA keys |
| 07/24/2007 | US7248585 Method and apparatus for a packet classifier |
| 07/19/2007 | WO2007080825A1 Encryption processing device, encryption processing method, and computer program |
| 07/19/2007 | WO2007080652A1 Montgomery’s algorithm multiplication remainder calculator |
| 07/19/2007 | WO2007080633A1 Elliptical curve encryption parameter generation device, elliptical curve encryption calculation device, elliptical curve encryption parameter generation program, and elliptical curve encryption calculation program |
| 07/19/2007 | WO2007079640A1 Congestion control method for the reverse interface between the bts and the bsc, the device and the transceiver base station thereof |
| 07/19/2007 | US20070168672 Digital document management system, digital document management method, and digital document management program |
| 07/19/2007 | US20070168671 Digital document management system, digital document management method, and digital document management program |
| 07/19/2007 | US20070165860 Method for issuing ic card storing encryption key information |
| 07/19/2007 | US20070165849 Online data encryption and decryption |
| 07/18/2007 | EP1809044A2 Predictive decoding method of video data |
| 07/18/2007 | EP1808795A2 Digital document management system, digital document management method, and digital document management program |
| 07/18/2007 | EP0963637B1 Transmitting revisions with digital signatures |
| 07/18/2007 | CN1327646C Data broadcasting apparatus and data broadcasting circuit in this apparatus |
| 07/18/2007 | CN1327393C Identification of digital data sequences |
| 07/18/2007 | CN1327361C Electronic transaction system |
| 07/18/2007 | CN101001468A Internet protocal carried voice user accessing method, positioning device and network equipment |
| 07/18/2007 | CN101001466A Method, system and MSC server and HLR of processing calling service |
| 07/18/2007 | CN101001464A Mobile communication terminal and its calling method |
| 07/18/2007 | CN101001454A User dispatching method and system in uplink enhanced link |
| 07/18/2007 | CN101001425A Method of response for changing of network operation mode of user equipment |
| 07/17/2007 | US7246242 Integrity protection method for radio network signaling |
| 07/17/2007 | US7246234 Transmitter device, transmitting method, receiver device, receiving method, communication system, and program storage medium |
| 07/17/2007 | US7243836 Information transmitting apparatus and method, information receiving apparatus and method, and information providing system |
| 07/17/2007 | CA2441496C An anonymous decryption system, anonymous decryption method, and program |
| 07/17/2007 | CA2385941C Certified shuffle-decrypting system, certified shuffle-decrypting method and certified shuffle-decryption verifying method |
| 07/12/2007 | US20070162982 Method and system for providing copy-protection on a storage medium and storage medium for use in such a system |
| 07/12/2007 | US20070162978 Information processing device and method |
| 07/12/2007 | US20070162911 Multi-core multi-thread processor |
| 07/12/2007 | US20070162757 Message authentication |
| 07/12/2007 | US20070162756 System and method of authenicating a digitally captured image |
| 07/11/2007 | EP1806915A1 Signal processing apparatus and a control method thereof |
| 07/11/2007 | EP1806673A2 Digital content management system using electronic watermark |
| 07/11/2007 | EP1508236B1 Method for authenticating a user to a service of a service provider |
| 07/11/2007 | CN1997226A A method for optimization of distribution user interface instance under the master-slave structure |
| 07/11/2007 | CN1996845A Conversion method of the long-evolving network and its user device states |
| 07/11/2007 | CN1326354C Cryptographic authentication with ephemeral modules |
| 07/11/2007 | CN1326350C Data transmission method |
| 07/11/2007 | CN1326053C Contents delivery system, information processing apparatus or information processing method and computer program |
| 07/10/2007 | US7243370 Method and system for integrating security mechanisms into session initiation protocol request messages for client-proxy authentication |
| 07/10/2007 | US7243240 System and method for firmware authentication |
| 07/10/2007 | US7243238 Person authentication system, person authentication method, information processing apparatus, and program providing medium |
| 07/10/2007 | US7243237 Secure communication with a keyboard or related device |
| 07/10/2007 | US7243228 Data storage with CBC-mode encryption processing |
| 07/10/2007 | US7242790 Video steganography |
| 07/10/2007 | US7242769 Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method |
| 07/05/2007 | US20070156798 Random number derivation method and random number generator using same |
| 07/05/2007 | US20070156796 Method and device for calculating a function from a large number of inputs |
| 07/04/2007 | CN1992855A Portable multimedia recording and playing apparatus and multithread testing method |
| 07/04/2007 | CN1324831C Encrypted/deciphering system and method thereof |
| 07/04/2007 | CN1324599C Copy method avoiding bit-to-bit duplication of digital data and reading device for implementing same |
| 07/04/2007 | CN1324502C Method for discriminating invited latent member to take part in group |
| 07/03/2007 | US7240345 Data processing apparatus and associated method |
| 07/03/2007 | US7240232 Connection device capable of converting a pixel clock to a character clock |
| 07/03/2007 | US7240203 Method and apparatus for establishing secure sessions |
| 07/03/2007 | US7240197 Method and apparatus for encryption and decryption in remote data storage systems |
| 07/03/2007 | US7240195 Certified shuffle-decrypting system, certified shuffle-decrypting method and certified shuffle-decryption verifying method |
| 07/03/2007 | US7239704 Method and apparatus for recording of encrypted digital data |
| 07/03/2007 | CA2284023C Broadcast and reception system, and conditional access system therefor |
| 06/28/2007 | WO2007072615A1 Authentication system and authentication object device |
| 06/28/2007 | WO2007072585A1 Identification management system for electronic device authentication |
| 06/28/2007 | DE10229976B4 Verfahren zur Ver- und Entschlüsselung von nach dem Verfahren der priorisierten Pixelübertragung übertragenen oder gespeicherten digitalen Daten A method for encryption and decryption of information transmitted or stored by the process of prioritized pixel transfer digital data |
| 06/27/2007 | EP1407575B1 Procede pour effectuer une tache cryptographique au moyen d'une cle publique. |
| 06/27/2007 | EP1201056B1 A method for protecting a portable card |
| 06/27/2007 | EP1095484B1 Method of establishing the trustworthiness level of a participant in a communication connection |
| 06/27/2007 | CN1988481A Method for obtaining exact time and network device |
| 06/27/2007 | CN1323350C Program development method, program development support device and mounting method |
| 06/26/2007 | US7237120 Method for producing and checking forge-proof documents |
| 06/26/2007 | US7237118 Methods and systems for authentication of a user for sub-locations of a network location |
| 06/26/2007 | US7237110 Authentication system, authentication apparatus, authentication target apparatus, authentication method, method of being authenticated, program and information recording medium |
| 06/21/2007 | US20070143616 Flexibly loading a tamper resistant module |
| 06/21/2007 | US20070143592 Information processing apparatus |
| 06/21/2007 | US20070143388 Prime calculating apparatus, key issuing system, and prime calculation method |
| 06/21/2007 | US20070143288 Information processing apparatus, and method for retaining security |
| 06/21/2007 | US20070140486 Triple churning |
| 06/21/2007 | US20070140115 Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station, mobile terminal and mobile radio network |
| 06/20/2007 | EP1798993A1 Remote access communication system and control method thereof |
| 06/20/2007 | EP1798657A2 Cryptographic apparatus and method for electronic rights management of storage media |
| 06/20/2007 | EP1399807B1 Method for encrypting a calculation using a modular function |
| 06/20/2007 | EP1097589B1 A conditional access system for broadcast digital television |
| 06/20/2007 | CN1984082A Method for sharing signaling message load |
| 06/20/2007 | CN1983940A System and method combined on-line charge with off-line charge |
| 06/20/2007 | CN1322700C Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of two |
| 06/20/2007 | CN1322698C Digital signal generator, digital signal generating method |
| 06/20/2007 | CN1322697C Encryption apparatus based on block encryption type, its method and decoding device and method thereof |
| 06/20/2007 | CN1322451C Employing synthetic genes in gene algorithm, information encoding and non-replicative encryption |
| 06/20/2007 | CN1322387C Method for firming legitimate of software and device for executing software |
| 06/19/2007 | US7233670 Signal tracing system and method |
| 06/19/2007 | CA2286851C System for the secure reading and editing of data on intelligent data carriers |