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) |
---|
01/03/2008 | US20080005570 Masked digital signatures |
01/02/2008 | EP1493268B1 Television system with payment in advance |
01/02/2008 | EP1360623B1 An information management system |
01/02/2008 | CN101099383A Display device with speaker grill |
01/02/2008 | CN101097664A Data editing interpretation method |
01/02/2008 | CN101097642A Financial card system, communications device, authentication terminal, authentication method, and program |
01/02/2008 | CN100359844C Information supplying and processing device and method, and program storing medium |
01/02/2008 | CN100359519C Method and apparatus for establishing usage rights for digital content to be created in future |
01/01/2008 | US7315944 Secure handling of stored-value data objects |
01/01/2008 | US7315925 Disabling access based on location |
12/27/2007 | WO2007148665A1 Cipher processing apparatus, data converting method, data converting program, recording medium and integrated circuit |
12/26/2007 | EP1159800B1 Method of ciphering data transmission in a radio system |
12/26/2007 | CN101093627A Device for encoding and decoding cipher |
12/26/2007 | CN101093626A Palm print cipher key system |
12/26/2007 | CN101093562A Electronic authentication method and electronic authentication system |
12/26/2007 | CN100357849C Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method |
12/25/2007 | US7313823 Anti-alternation system for web-content |
12/25/2007 | US7313701 Robust efficient distributed RSA-key generation |
12/25/2007 | US7311246 Method and system for transmitting electronic value information |
12/20/2007 | US20070294535 Authentication Device and Method |
12/19/2007 | EP1868135A1 System and method for privilege management and revocation |
12/19/2007 | EP1868134A2 Improvements in and relating to a hallmarking verification process & system and corresponding method of and system for communication |
12/19/2007 | EP1317839B1 Apparatus and method for selectively encrypting the payload portion of multimedia data sent over a network |
12/19/2007 | EP1222770B1 Random number generation for encrypting cellular communications |
12/19/2007 | CN100356723C Information providing system, information providing apparatus and method, and information processing apparatus and method |
12/18/2007 | US7310819 Processing copy protection signals |
12/18/2007 | US7310732 Content distribution system authenticating a user based on an identification certificate identified in a secure container |
12/18/2007 | US7310608 Authentication method, authentication system, payment system, user apparatus and recording medium containing program for conducting authentication |
12/18/2007 | CA2283304C Method of and apparatus for encrypting signals for transmission |
12/13/2007 | WO2007142170A1 System for disabling unauthorized person, encryption device, encryption method, and program |
12/13/2007 | WO2007142072A1 Terminal device and data managing system using the same |
12/13/2007 | WO2007140723A1 A method, device and system to interconnect bearers based on virtual relay |
12/13/2007 | US20070288922 Data processing apparatus and associated method |
12/13/2007 | US20070287423 User equipment, communication equipment, authentication system, authentication method, authentication program and recording medium |
12/12/2007 | EP1865481A1 Data encryption device and data encryption method |
12/12/2007 | EP1540882B1 Groups signature scheme |
12/12/2007 | EP1500225A4 Initializing, maintaining, updating and recovering secure operation within an integrated system employing a data access control function |
12/12/2007 | CN101087195A Cyclotomic polynomial construction of discrete logarithm cryptosystems over finite fields |
12/12/2007 | CN101087189A A cryptographic system and method for electronic trade |
12/12/2007 | CN100355234C Data transmission system and device, recorder, edition control and processing method |
12/12/2007 | CN100354840C Data transfer system, data transfer apparatus, data recording apparatus, data management method, identifier generation method |
12/11/2007 | US7308097 Digital signature and authentication method and apparatus |
12/11/2007 | CA2257008C A method for accelerating cryptographic operations on elliptic curves |
12/06/2007 | WO2007138876A1 Communication node authentication system and method, and communication node authentication program |
12/06/2007 | US20070283442 Recording/Reproduction Device And Content Protection System |
12/06/2007 | US20070283415 Data Communicating Apparatus And Method For Managing Memory Of Data Communicating Apparatus |
12/06/2007 | US20070283162 Unauthorized Device Detection Device, Unauthorized Device Detection System, Unauthorized Device Detection Method, Program, Recording Medium, and Device Information Update Method |
12/06/2007 | US20070280288 Apparatus And Method For Realizing User Switching Between Ip Network And Pstn Network |
12/05/2007 | EP1518172A4 Testing probable prime numbers for cryptographic applications |
12/05/2007 | CN100353704C Asymmetrical cryptographic communication method and portable object therefor |
12/05/2007 | CN100353276C 微处理器 Microprocessor |
12/04/2007 | US7305702 Systems and methods for distributed administration of public and private electronic markets |
12/04/2007 | US7305701 Methods and arrangements for controlling access to resources based on authentication method |
12/04/2007 | US7305697 Service gateway for interactive television |
12/04/2007 | US7305551 Method of transmitting security data in an ethernet passive optical network system |
12/04/2007 | US7305087 Digital home network and method for creating and updating such a network |
12/04/2007 | CA2359198C Arithmetic unit for carrying out a cryptographic protocol |
12/04/2007 | CA2315722C A method for packet authentication in the presence of network address translations and protocol conversions |
11/29/2007 | US20070277245 Access control method, access control system, metadata controlling device, and transmitting apparatus |
11/29/2007 | US20070276759 Trusted infrastructure support systems, methods and techniques for secure electronic commerce electronic transaction and rights management |
11/29/2007 | US20070274518 Encryption System, Encryption Device, Decryption Device, Program, And Integrated Circuit |
11/29/2007 | US20070273790 Television apparatus |
11/29/2007 | DE19744106B4 System zur Authentizierung eines Benutzers und Verfahren hierzu System for authenticating a user and method therefor |
11/28/2007 | EP1860620A2 Terminal device, secure device and application authentication method |
11/28/2007 | CN101079203A Elliptical curve cipher system and method |
11/27/2007 | US7302586 Secure video card methods and systems |
11/27/2007 | CA2394451C System, method and computer product for delivery and receipt of s/mime-encrypted data |
11/22/2007 | WO2007132946A1 Authentication device using intrinsic random number generating element or pseudo-random number generating element, authentication apparatus, and authentication method |
11/22/2007 | WO2007132712A1 Special favor data distributing system, special favor data refunding system and data processing method in these systems |
11/22/2007 | US20070271464 Method of sending and validating documents |
11/22/2007 | US20070270128 User equipment, authentication system, authentication method, authentication program and recording medium |
11/21/2007 | CN100350417C 内容分发系统和内容分发方法 Content distribution systems and content distribution method |
11/20/2007 | US7299365 Secure video card methods and systems |
11/20/2007 | US7298845 Digital content protection system |
11/20/2007 | US7298842 Utilizing a key for enciphering and deciphering that is modified during enciphering and deciphering |
11/20/2007 | CA2233463C An information encryption method |
11/15/2007 | US20070266067 Pseudo Random Number Generator |
11/15/2007 | DE19960769B4 Verfahren und System zur Erstellung eines authentifizerbaren Bildes von einem Objekt Method and system for creating an image of an object authentifizerbaren |
11/14/2007 | EP1855190A2 Montgomery modular multiplier and method therof using carry save addition |
11/14/2007 | EP1684466B1 Power saving and handling broadcast as unicast traffic in a WLAN |
11/14/2007 | CN100349404C License management system and method for playing contents on home network |
11/13/2007 | US7296161 Image processing apparatus and image processing method |
11/13/2007 | US7295674 On-line randomness test for detecting irregular pattern |
11/13/2007 | US7295671 Advanced encryption standard (AES) hardware cryptographic engine |
11/07/2007 | EP1358732B1 Secure encryption method and component using same |
11/07/2007 | CN101069381A Signature and verifying method, and signature and verifying device |
11/01/2007 | US20070255955 Tamper resistant module certification authority |
10/31/2007 | EP1159797B1 Countermeasure method in an electronic component using a secret key cryptographic algorithm |
10/31/2007 | EP0961499B1 Predictive coding method and decoding method for dynamic image |
10/31/2007 | DE10331893B4 Verfahren zum Sparen von Leistung durch Reduzierung der Zeit des aktiven Empfangs im Standby-Betrieb Method for conserving power by reducing the period of active reception in standby mode |
10/31/2007 | CN100346594C An IC card with cipher key conversion function |
10/30/2007 | US7290137 Information processing apparatus, executable module generating method, and storage medium |
10/25/2007 | WO2007119324A1 Content search device |
10/25/2007 | WO2006086099A3 Method and apparatus for establishing usage rights for digital content to be created in the future |
10/25/2007 | US20070248106 Method for Implementing Resources Reservation in Access Configuration Mode in Next Generation Network |
10/24/2007 | EP1847974A1 Information processing device, read terminal, non-public information read system, non-public information read method, information processing program, and non-public information read program |
10/24/2007 | EP1847121A1 Display device with speaker grill |
10/24/2007 | EP1847052A2 Method and apparatus for establishing usage rights for digital content to be created in the future |
10/24/2007 | CN101061663A Digital authentication over acoustic channel |
10/24/2007 | CN101061526A Encryption computing device |