| 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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| 02/06/2007 | US7174013 Efficient universal hashing method |
| 02/01/2007 | US20070028306 Decoding apparatus |
| 02/01/2007 | US20070025589 Image processing apparatus |
| 02/01/2007 | US20070025553 Authentication of data transmitted in a digital transmission system |
| 02/01/2007 | US20070025552 Authentication of data transmitted in a digital transmission system |
| 01/31/2007 | EP1348274B1 Local authentification in a communication system |
| 01/31/2007 | CN2864866Y Portable plain cipher inter-translating machine |
| 01/31/2007 | CN1905612A Image processing device for forbidding copying and forging pattern and its controlling method |
| 01/31/2007 | CN1905009A Decoding apparatus |
| 01/31/2007 | CN1297984C Reproduction control method |
| 01/30/2007 | US7171684 Data processing system providing secure communication between software components |
| 01/30/2007 | US7171437 Residue calculating unit immune to power analysis |
| 01/30/2007 | US7171001 Method and apparatus for managing secure collaborative transactions |
| 01/30/2007 | US7170996 Random number generation for encrypting cellular communications |
| 01/30/2007 | US7170525 Texturing system |
| 01/25/2007 | US20070022472 Method and system for ordering, loading and using admission tickets |
| 01/25/2007 | US20070022462 Image forming apparatus, storage medium storing program for acquiring time stamp, digital data management system, and method for acquiring time stamp |
| 01/25/2007 | US20070022052 Controlling access to information on a network using an extended network universal resource locator |
| 01/25/2007 | US20070021105 Performing authentication in a communications system |
| 01/25/2007 | US20070019811 Cryptographic key, encryption device, encryption/decryption device, cryptographic key management device, and decryption device |
| 01/24/2007 | EP1746761A1 Authentication system and method |
| 01/24/2007 | EP1746561A1 Encryption system, encryption device, decryption device, program, and integrated circuit |
| 01/24/2007 | EP1561195B1 A method of elliptic curve encryption |
| 01/24/2007 | EP1510057B1 Signing and authentication devices and processes and corresponding products, notably for dvb/mpeg mhp digital streams |
| 01/24/2007 | CN1902694A Server device for authentication, and method and system for detecting unauthorized terminal |
| 01/24/2007 | CN1902605A Data communicating apparatus and method for managing memory of data communicating apparatus |
| 01/24/2007 | CN1901750A Detecting method and its system for missing matched adjacent zone |
| 01/24/2007 | CN1901729A Statistic method for communication service quality and its system terminal |
| 01/24/2007 | CN1901679A Method for information selecting and dividing based on micro block inner edge |
| 01/24/2007 | CN1901481A Method for judging spring grouping ring topology stability |
| 01/24/2007 | CN1901477A Searching method and its system for equipment traffic data |
| 01/24/2007 | CN1901459A Method and system for controlling access net state |
| 01/24/2007 | CN1901451A Authentification of data in a digital transmission system |
| 01/24/2007 | CN1901067A Copyright protection system, recording device and decryption device |
| 01/24/2007 | CN1900943A Systems and methods for secure transaction management and electronic rights protection |
| 01/24/2007 | CN1900942A Systems and methods for secure transaction management and electronic rights protection |
| 01/24/2007 | CN1296857C Data processing system, data processing method, data processing device, permission system and program provided media |
| 01/23/2007 | CA2245232C Optical disc copy management system |
| 01/18/2007 | WO2007007690A1 Authentication system, device, and program |
| 01/18/2007 | US20070016525 Facilitating access to information stored on a network using an extended network universal resource locator |
| 01/18/2007 | US20070015551 Portable terminal device |
| 01/18/2007 | US20070014401 Random number generation for encrypting cellular communications |
| 01/17/2007 | EP1744557A1 Method and device for shaping the service flow transmitted in network |
| 01/17/2007 | EP1116228B1 Copy protection method for digital data stored on a medium |
| 01/17/2007 | CN1898898A Prime calculation device, method, and key issuing system |
| 01/17/2007 | CN1898897A Prime calculation device, method, and key issuing system |
| 01/17/2007 | CN1898711A Encipher/decryption processing system, encipher/decryption processing device, and encipher/decryption processing method |
| 01/17/2007 | CN1897717A Tyre pressurel temperature monitoring system and automobile therewith |
| 01/17/2007 | CN1897600A Portable terminal device |
| 01/17/2007 | CN1897543A System and method for privilege management and revocation |
| 01/17/2007 | CN1897527A Authentication of data transmitted in a digital transmission system |
| 01/17/2007 | CN1897526A Authentication of data transmitted in a digital transmission system |
| 01/17/2007 | CN1897525A Authentication of data transmitted in a digital transmission system |
| 01/17/2007 | CN1295700C Content recording/playback apparatus |
| 01/16/2007 | US7165179 Digital signature verification and program transmission |
| 01/16/2007 | US7165177 Method of protecting an electronic chip against fraud |
| 01/16/2007 | US7165175 Apparatus, system and method for selectively encrypting different portions of data sent over a network |
| 01/16/2007 | US7164767 Data transfer system, data transfer apparatus, data recording apparatus, and data transfer method |
| 01/11/2007 | US20070011468 LSI design method and verification method |
| 01/11/2007 | US20070010334 Multiple User Authentication for Online Console-Based Gaming |
| 01/10/2007 | EP1742138A1 Enciphering/deciphering device and method using a cryptographic key changed at a predetermined timing |
| 01/10/2007 | EP1742137A1 Enciphering/deciphering device using a cryptographic key changed at a predetermined timing |
| 01/10/2007 | EP1742136A1 Information processing apparatus, program loading method, recording medium, program updating method and circuit device |
| 01/10/2007 | CN1893599A Projection capable of regulating contrast |
| 01/10/2007 | CN1893530A Information processing apparatus and its control method, computer program and storage medium |
| 01/10/2007 | CN1892870A Reproduction control method and equipment |
| 01/10/2007 | CN1892732A Chaotic signal generator for ultra wide band communication system |
| 01/10/2007 | CN1892731A Typeface-lattice structure enciphering method and system |
| 01/10/2007 | CN1892665A Data for processing method and its apparatus |
| 01/09/2007 | US7162638 Electronic data management system and method |
| 01/09/2007 | US7162451 Information content distribution based on privacy and/or personal information |
| 01/09/2007 | US7162033 Countermeasure procedures in an electronic component implementing an elliptical curve type public key encryption algorithm |
| 01/09/2007 | CA2292575C Device used to implement a block cipher |
| 01/04/2007 | WO2007001087A1 Apparatus, method, and program product for recording and reproducing contents |
| 01/03/2007 | EP1739570A1 User authentication system and data providing system using the same |
| 01/03/2007 | EP1739518A1 System and method for privilege management and revocation |
| 01/03/2007 | EP1125394B1 Countermeasure method in an electronic component using a secret key cryptographic algorithm |
| 01/03/2007 | CN1889684A Long-distance monitoring business realizing method, system and terminal equipment between video information terminals |
| 01/03/2007 | CN1889535A Method and system for processing multi-media value-added business information and utilized gate equipment |
| 01/03/2007 | CN1889520A Route information update method and network equipment based on OSPF |
| 01/03/2007 | CN1293719C Encryption decoding method. record reproduction device and record medium |
| 01/03/2007 | CN1293506C 内容分发系统和内容分发方法 Content distribution systems and content distribution method |
| 01/03/2007 | CN1293482C Storage area dividing method for portable device |
| 01/02/2007 | US7159245 Method for protecting a portable card |
| 01/02/2007 | US7159115 Method and apparatus for encrypting data |
| 01/02/2007 | US7159113 Distribution information management system and method |
| 01/02/2007 | US7158638 Encryption circuit |
| 01/02/2007 | US7158637 Security communication packet processing apparatus and the method thereof |
| 12/28/2006 | WO2006136089A1 A method and system for implementing two-way interworking operation of circuit domain and packet domain |
| 12/28/2006 | US20060294227 Communication apparatus and communication method |
| 12/28/2006 | US20060294021 Accounting processing device |
| 12/28/2006 | US20060294017 Information server, information device, information processing system, information processing method, and informaiton processing program |
| 12/27/2006 | EP1736857A2 Communication apparatus and frame display method |
| 12/27/2006 | EP1425667A4 Encryption for a stream file in an fpga integrated circuit |
| 12/27/2006 | EP1396169B1 Local authentification in a communication system |
| 12/27/2006 | CN1886713A Confidential information processing system and lsi |
| 12/27/2006 | CN1885809A Cross interconnection method for RPR and cross site, cross RPR |
| 12/27/2006 | CN1885777A Communication apparatus and communication method |
| 12/26/2006 | US7155500 IP address ownership verification mechanism |
| 12/26/2006 | US7155418 Electronic cash system |