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