| 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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| 06/18/2009 | US20090157780 Random number generating circuit, semiconductor integrated circuit, ic card and information terminal device |
| 06/17/2009 | EP2070376A2 Techniques for key derivation for secure communication in wireless mesh networks |
| 06/17/2009 | EP1497947B1 Mobile account authentication service |
| 06/17/2009 | CN100501754C Systems and methods for secure transaction management and electronic rights protection |
| 06/16/2009 | US7549060 Using a rights template to obtain a signed rights label (SRL) for digital content in a digital rights management system |
| 06/16/2009 | US7549052 Generating and matching hashes of multimedia content |
| 06/16/2009 | US7548619 System and method for copy protection for digital signals |
| 06/16/2009 | US7548618 Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium |
| 06/11/2009 | WO2009073463A2 Authenticatable mark, systems for preparing and authenticating the mark |
| 06/11/2009 | WO2009072387A1 Genuine & counterfeit certification member |
| 06/11/2009 | US20090150968 Method and apparatus for managing and displaying contact authentication in a peer-to-peer collaboration system |
| 06/11/2009 | US20090150670 Communication node authentication system and method, and communication node authentication program |
| 06/10/2009 | CN101453332A Signature schemes using bilinear mappings |
| 06/10/2009 | CN101453331A Signature schemes using bilinear mappings |
| 06/10/2009 | CN100499799C Transmission system of supplying conditional access for transmitted data |
| 06/09/2009 | US7546641 Conditional access to digital rights management conversion |
| 06/09/2009 | US7546244 Image processing system and information processing method |
| 06/09/2009 | US7545930 Portable terminal |
| 06/09/2009 | CA2174413C Steganographic methods and apparatuses |
| 06/04/2009 | US20090141890 Digital authentication over acoustic channel |
| 06/03/2009 | EP1446889B1 Method and apparatus for decoding lattice codes and multilevel coset codes |
| 06/03/2009 | EP1032873B1 Apparatus for multiprecision integer arithmetic |
| 06/03/2009 | CN101447805A Receiving device and receiving method |
| 06/03/2009 | CN100495962C Content transmission apparatus, content reception apparatus and content transmission method |
| 06/03/2009 | CN100495364C Encryption of system paging file |
| 06/03/2009 | CN100495284C Software modem with privileged mode driver authentication |
| 06/02/2009 | US7543153 Digital signature generating apparatus, method, computer program and computer-readable storage medium |
| 06/02/2009 | US7543012 Method and apparatus to perform squaring operation in finite field |
| 06/02/2009 | US7543011 Montgomery modular multiplier and method thereof using carry save addition |
| 06/02/2009 | CA2484487C Efficient browser-based identity management providing personal control and anonymity |
| 05/28/2009 | WO2009066709A1 Random number generating apparatus and method |
| 05/28/2009 | WO2009066439A1 Communication method, communication system, mobile node, and communication node |
| 05/27/2009 | EP2061662A2 Method of personalizing or customizing a container or dispenser |
| 05/27/2009 | CN101441694A Secure video card methods and systems |
| 05/27/2009 | CN100493168C Information packet program composition detector |
| 05/27/2009 | CN100493071C Methods and arrangements in a telecommunications system |
| 05/27/2009 | CN100492962C Apparatus and method for recording and reproducing information |
| 05/26/2009 | US7539856 Distributed authentication in a protocol-based sphere of trust in which a given external connection outside the sphere of trust may carry communications from multiple sources |
| 05/26/2009 | CA2341213C System and method for enabling secure access to services in a computer network |
| 05/22/2009 | WO2009063947A1 Authentication method, authentication system, on-vehicle device, and authentication device |
| 05/21/2009 | US20090132818 Content server apparatus, on-vehicle player apparatus, system, method, and program |
| 05/21/2009 | US20090132815 Systems and methods for secure transaction management and electronic rights protection |
| 05/21/2009 | US20090132805 Systems and methods for secure transaction management and electronic rights protection |
| 05/20/2009 | CN100489837C Data encrypting method and system |
| 05/19/2009 | US7536564 Method for encrypting a calculation using a modular function |
| 05/19/2009 | US7536555 Methods for audio watermarking and decoding |
| 05/19/2009 | US7536550 Image forming apparatus and control method for same |
| 05/19/2009 | US7536549 Methods for generating a partially encrypted and compressed database and decrypting and decompressing the database |
| 05/19/2009 | US7536011 Tamper-proof elliptic encryption with private key |
| 05/19/2009 | US7535586 Information processing device, printing device, print data transmission method, printing method, print data transmitting program, and recording medium |
| 05/19/2009 | US7535488 Image data verification system |
| 05/19/2009 | US7533735 Digital authentication over acoustic channel |
| 05/14/2009 | WO2009060826A2 Method for generating encryption key |
| 05/14/2009 | US20090125723 Authentication of an object |
| 05/14/2009 | US20090123131 Packet Transmitting Apparatus |
| 05/14/2009 | US20090122910 Sector-based base station |
| 05/13/2009 | EP2058784A1 Encryption device, encryption method, and computer program |
| 05/13/2009 | EP2058783A1 Data conversion device, data conversion method, and computer program |
| 05/13/2009 | EP2058782A1 Encryption device, encryption method, and computer program |
| 05/13/2009 | EP2058781A1 Encryption device, encryption method, and computer program |
| 05/13/2009 | EP2058780A1 Encryption device, encryption method, and computer program |
| 05/13/2009 | EP1163589A4 Authentication enforcement using decryption and authentication in a single transaction in a secure microprocessor |
| 05/13/2009 | CN101430842A Multi-circulation feedback sequence method encryption and gallimaufry |
| 05/13/2009 | CN101430668A Method and system of external data storage |
| 05/13/2009 | CN100488096C System for achieving anonymous communication of messages using secret key crytptography |
| 05/12/2009 | US7533270 Signature schemes using bilinear mappings |
| 05/12/2009 | US7533267 Anti-tampering signature method for rewritable media, anti-tampering signature apparatus for executing the method, anti-tampering signature system provided with the apparatus, and computer-readable recording medium storing anti-tampering signature program for achieving the method |
| 05/12/2009 | US7532726 Encryption/decryption device and method, encryption device and method, decryption device and method, and transmission/reception apparatus |
| 05/12/2009 | US7532720 Utilizing SIMD instructions within montgomery multiplication |
| 05/07/2009 | WO2009057771A1 Electronic authentication device, electronic authentication system, electronic authentication method and its program |
| 05/07/2009 | WO2009057656A1 Pairing computation device, pairing computation method, and recording medium where pairing computation program is recorded |
| 05/07/2009 | WO2009057338A1 Signature generating device, signature verifying device, their methods, and their programs |
| 05/07/2009 | CA2702280A1 Signature generating apparatus, signature verifying apparatus and methods therefor |
| 05/06/2009 | EP2056518A1 Mobile account authentication service |
| 05/06/2009 | EP1451814A4 System and method for controlling the use and duplication of digital content distributed on removable media |
| 05/06/2009 | EP1159700A4 Portable electronic charge and authorization devices and methods therefor |
| 05/06/2009 | CN101425239A Method for controlling switch of electronic device |
| 05/06/2009 | CN100486243C Secure session management authentication method and system for WEB sites |
| 05/05/2009 | US7529935 Information communication device, information communication system, and computer program product for transmission control |
| 05/05/2009 | US7529375 Method for processing encrypted data for first domain received in a network pertaining to a second domain |
| 05/05/2009 | US7529366 Block encoding/decoding method, circuit, and device |
| 04/30/2009 | WO2008068647A3 Method of personalizing or customizing a container or dispenser |
| 04/29/2009 | EP2053525A2 Method, apparatus and computer medium for effecting registration of a persistent document identifier |
| 04/29/2009 | CN100483991C Data access management system and management method using access control ticket, a memory installing device and a data access management method |
| 04/29/2009 | CN100483293C Processing copy protection signals |
| 04/28/2009 | US7526657 Information processing apparatus, information processing method, and program storage medium |
| 04/28/2009 | US7526648 Cryptographic method of protecting an electronic chip against fraud |
| 04/28/2009 | US7526089 Device and method for controlling digital bidirectional communication |
| 04/28/2009 | US7526088 Code generator and device for the synchronous or asynchronous and permanent identification or encoding and decoding of data of any particular length |
| 04/28/2009 | US7525096 Miniature camera module with lens containing image sensor |
| 04/23/2009 | WO2009004498A9 Content delivery system |
| 04/23/2009 | US20090106850 Conditional access to digital rights management conversion |
| 04/23/2009 | US20090106435 Data transmission and reception system with accurate time information |
| 04/23/2009 | US20090103719 Cryptographic processing apparatus and cryptographic processing method, and computer program |
| 04/22/2009 | EP1257892B1 Controlling access to a resource by a program using a digital signature |
| 04/22/2009 | EP1161806A4 Key management for telephone calls to protect signaling and call packets between cta's |
| 04/22/2009 | CN101414403A Cash automatic transaction device |
| 04/22/2009 | CN100481787C Mesh networks with exclusion capability |
| 04/22/2009 | CN100481764C Content transmission apparatus and content reception apparatus |
| 04/22/2009 | CN100481103C Data for processing method and apparatus |