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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02/28/2006 | US7007173 Content distribution system, copyright protection system and content receiving terminal |
02/28/2006 | US7007164 Method and array for authenticating a first instance and a second instance |
02/28/2006 | US7007091 Method and apparatus for processing subject name included in personal certificate |
02/28/2006 | US7006996 Restriction canceling apparatus |
02/23/2006 | WO2006019158A1 Content reproducing device and content reproducing method |
02/23/2006 | WO2006018994A1 Group management device, information processing device, and method |
02/23/2006 | WO2006017985A1 A method of implementing the service treatment by the functional entity in the service control layer |
02/23/2006 | US20060041752 Methods and apparatus managing secure collaborative transactions |
02/23/2006 | US20060041576 Data processsing deviceand data reception processing device |
02/23/2006 | US20060041568 Method for calculating hashing of a message in a devicecommunicating with a smart card |
02/23/2006 | US20060041512 Content rendering device with usage rights |
02/23/2006 | US20060039579 Method for coding and decoding digital data stored or transmitted according to the pixels method for transmitting prioritised pixels |
02/23/2006 | US20060039558 Pseudo-random number generation method and pseudo-random number generator |
02/22/2006 | EP0818094B1 Asymmetrical cryptographic communication method and portable object therefor |
02/22/2006 | CN1739295A Increasing integrity of watermarks using robust features |
02/22/2006 | CN1739076A Method for transmitting encrypted user data objects |
02/22/2006 | CN1738452A Synchronizing push to talk service in wireless communication system |
02/22/2006 | CN1738303A Method for carrying out different service treatment according to different bearing network type |
02/22/2006 | CN1738285A Error indication message processing method |
02/22/2006 | CN1737880A Data conversion device and method |
02/22/2006 | CN1737879A Encryption instruction processing apparatus |
02/22/2006 | CN1737847A Data processing apparatus and method |
02/21/2006 | US7003541 Zero-knowledge proving system and method |
02/21/2006 | US7003537 Apparatus and method to compute in Jacobian of hyperelliptic curve defined over Galois field of characteristic 2 |
02/21/2006 | US7003113 Position authentication system and electronic equipment using the same |
02/21/2006 | US7003108 Data encryption methodology |
02/21/2006 | CA2437500C Data encryption system |
02/16/2006 | US20060036862 Method and apparatus for managing secure collaborative transactions |
02/15/2006 | EP1626591A1 Synchronizing push to talk service in wireless communication system |
02/15/2006 | EP1512130B1 Device for automatic reading of a plurality of codes by means of a single key code |
02/15/2006 | EP1297652B1 Improving des hardware throughput for short operations |
02/15/2006 | CN1735858A Method of constructing hyperelliptic curves suitable for cryptographic purposes and cryptographic apparatus using such a method |
02/15/2006 | CN1734527A Block encryption device using auxiliary conversion |
02/15/2006 | CN1734526A Block encryption device using auxiliary conversion |
02/15/2006 | CN1242321C Power residue arithmetic unit using Montgomery algorithm |
02/14/2006 | US7000114 Apparatus to create and/or verify digital signatures having a secure time element and an identifier of the apparatus |
02/14/2006 | US7000112 Method and apparatus for input of coded image data |
02/14/2006 | US7000111 Method for masking secret multiplicands |
02/14/2006 | US7000110 One-way function generation method, one-way function value generation device, proving device, authentication method, and authentication device |
02/14/2006 | US6999947 License devolution apparatus |
02/14/2006 | CA2371365C Integrity protection method for radio network signaling |
02/14/2006 | CA2331991C Anonymous participation authority management system |
02/09/2006 | WO2006013882A1 User authentication system, authentication method for the system, user authentication program, and recording medium on which the program is recorded |
02/08/2006 | EP1624683A2 Method for coding image signals |
02/08/2006 | EP1624609A2 Encryption data processing apparatus and method |
02/08/2006 | CN1241354C Authentication method, communication method, and information processing apparatus |
02/08/2006 | CN1241353C Auto-recoverable auto-certifiable cryptosystems |
02/08/2006 | CN1241352C Encryption method for information in binary code |
02/08/2006 | CN1241201C Receiving limitting method |
02/08/2006 | CN1241156C Cipher mechanical solidifying method used for important system safety guarantee |
02/08/2006 | CN1241083C Network enabled application software system and method |
02/07/2006 | US6996724 Secret key generating method, common key generating method, encryption method, cryptographic communication method and cryptographic communication system |
02/07/2006 | US6996723 Data generating apparatus and data verifying apparatus |
02/07/2006 | US6996235 Method and system for secure printing of documents via a printer coupled to the internet |
02/07/2006 | US6996234 Data decryption methodology |
02/07/2006 | CA2274816C Method and system for performing electronic money transactions |
02/02/2006 | WO2006011679A2 Quantum cash system and quantum cash apparatus |
02/02/2006 | US20060025168 Synchronizing push to talk service in wireless communication system |
02/01/2006 | EP1622303A1 Authentication of data transmitted in a digital transmission system |
02/01/2006 | EP1622302A2 System and method for authentication between a recorder/reproducer device and a recording device |
02/01/2006 | EP1621961A2 Storage media electronic rights management |
02/01/2006 | EP1048143A4 Method and apparatus for secure cryptographic key storage, certification and use |
02/01/2006 | CN1728830A Predictive coding device and decoding device for dynamic image |
02/01/2006 | CN1728685A Method and system for facilitating data transfer in a pageable mode virtual environment |
02/01/2006 | CN1728650A Method and arrangement for changing the operation mode of an agent of a management network |
02/01/2006 | CN1240215C Method for controlling digital data and its device |
02/01/2006 | CN1240214C Apparatus and method for receiving enciphered signals and apparatus for receiving interfered digital broadcast |
01/31/2006 | US6993654 Secure encryption processor with tamper protection |
01/31/2006 | US6991176 Method for generating identification numbers |
01/26/2006 | WO2006009081A1 Application execution device and application execution device application execution method |
01/26/2006 | US20060018327 Method for the transmission of data telegrams in a switched cyclical communication system |
01/26/2006 | US20060017968 Digital image providing system |
01/25/2006 | EP1619826A2 Authentification of data in a digital transmission system |
01/25/2006 | EP1619825A2 Authentification of data in a digital transmission system |
01/25/2006 | EP1619824A2 Authentification of data in a digital transmission system |
01/25/2006 | EP1459167B1 Pipelined core in montgomery multiplier |
01/25/2006 | EP1346548B1 Secure session management and authentication for web sites |
01/25/2006 | EP1031204B1 Cryptographic system and method with fast decryption |
01/25/2006 | EP0950303B1 Method and system for ensuring the security of the remote supply of services of financial institutions |
01/25/2006 | CN1726483A Authentication in a communication system |
01/25/2006 | CN1725843A Information packet program composition detector |
01/24/2006 | US6990684 Person authentication system, person authentication method and program providing medium |
01/24/2006 | US6990585 Digital signature system, digital signature method, digital signature mediation method, digital signature mediation system, information terminal and storage medium |
01/24/2006 | US6990583 Public-key-encryption data-communication system and data-communication-system forming method |
01/24/2006 | US6990201 Method for testing a random number source and electronic devices comprising said method |
01/24/2006 | US6990198 Apparatus and method for securing communication information in CDMA communication system |
01/19/2006 | US20060015750 Storage of encrypted digital signals |
01/19/2006 | US20060015720 Information providing apparatus and method, information processing apparatus and method, and program storage medium |
01/19/2006 | US20060013202 Content reproducing device, server and content distribution system |
01/19/2006 | US20060013080 Terminal device, program, information storage medium, and data processing method |
01/18/2006 | EP1617588A1 Device authentication system |
01/18/2006 | EP1616425A1 Apparatuses, methods and computer software productus for judging the validity of a server certificate |
01/18/2006 | EP0700614A4 Nonlinear dynamic substitution devices and methods for block substitutions |
01/18/2006 | CN1722839A Video encoding and decoding methods and video encoder and decoder |
01/18/2006 | CN1722734A A method for automatic configuration of terminal equipment |
01/18/2006 | CN1722668A Content reproducing device, server and content distribution system |
01/18/2006 | CN1722148A 内容分发系统和内容分发方法 Content distribution systems and content distribution method |
01/18/2006 | CN1722147A 内容分发系统和内容分发方法 Content distribution systems and content distribution method |
01/18/2006 | CN1722091A System and method for confirming dynamic attachable executable mirror dependability |
01/18/2006 | CN1722049A Systems and methods for secure transaction management and electronic rights protection |