Patents
Sitemap › G09 - Educating; Cryptography; Display; Advertising; Seals › G09C - Ciphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy › 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
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)
12/2005
12/07/2005CN1231014C Method and apparatus for protecting file system based on digital signature certificate
12/07/2005CN1231013C Encrypt key generating circuit
12/06/2005US6973198 Authentic document and method of making
12/06/2005US6973196 Authentic document and method of making
12/06/2005US6973189 Method of encrypting information in a TDMA mobile radio system using a modified pseudo-random sequence
12/06/2005CA2272922C A decoding apparatus/method and data format for processing and storing encrypted video data
12/01/2005WO2005114561A1 Reader/writer secure module access control method
12/01/2005WO2005114386A1 Random number extraction method and random number generation device using the same
12/01/2005US20050268087 Program, communication device, data processing method, and communication system
12/01/2005US20050265551 Wireless communication system and encryption control method
12/01/2005US20050265327 Secure federation of data communications networks
12/01/2005US20050264851 Information embedding device, information detecting device, information embedding and detecting system, information embedding method, information detecting method, information embedding program, information detecting program, information embedding and detecting program, and recording medium
11/2005
11/30/2005EP1601215A2 Wireless communication system and encryption control method
11/30/2005EP1601159A1 Secure federation of data communication networks
11/30/2005EP1119939B1 Countermeasure method in an electronic component using a secret key cryptographic algorithm
11/30/2005CN1703669A Configurable calculating unit
11/30/2005CN1703667A On-line randomness test for detecting irregular pattern
11/30/2005CN1703028A Secure federation of data communication networks
11/30/2005CN1703001A Program, communication device, data processing method, and communication system
11/30/2005CN1702613A Montgomery modular multiplier
11/30/2005CN1702595A Information processing equipment, method and information utilizing system
11/30/2005CN1230031C Integrity protection during initial registration of subscriber in telecommunication network
11/30/2005CN1229941C Authentication method, communication apparatus, and relay apparatus
11/30/2005CN1229740C Reproducing device and duplication control method
11/29/2005US6970561 Encryption and decryption with endurance to cryptanalysis
11/29/2005US6969838 Image sensor
11/24/2005US20050262354 Multiple signature apparatus, multiple signature method and computer program product
11/24/2005US20050262347 Watermark insertion apparatus and watermark extraction apparatus
11/24/2005US20050262321 Information processing apparatus and method, and storage medium
11/24/2005US20050259819 Method for generating hashes from a compressed multimedia content
11/24/2005US20050259465 Nonvolatile memory apparatus
11/23/2005CN1701560A Connection authentication in wireless communication network system
11/23/2005CN1701293A Systems and methods for authenticating a user to a web server
11/23/2005CN1228981C Streaming system for distributing encrypted compressed image data and streaming method thereof
11/22/2005US6968397 Information processing method and apparatus
11/22/2005US6968354 Tamper-resistant modular multiplication method
11/22/2005US6968060 Method for verifying the use of public keys generated by an on-board system
11/22/2005US6968058 Digital evidential camera system for generating alteration detection data using built-in encryption key
11/17/2005WO2005109746A1 Authentication system and method
11/17/2005WO2005109740A1 Ic card
11/17/2005WO2005109739A1 Method for issuing ic card containing encryption key information
11/17/2005WO2005109379A1 Encryption system, encryption device, decryption device, program, and integrated circuit
11/17/2005US20050257260 System for authentication between devices using group certificates
11/17/2005US20050257255 Local authentication of mobile subscribers outside their home systems
11/17/2005US20050257067 Fingerprint embedding
11/17/2005US20050257060 Randomized signal transforms and their applications
11/17/2005US20050257056 Content transfer system, content transfer method, content transmitting apparatus, content transmission method, content receiving apparatus, content reception method, and computer program
11/16/2005EP1596599A2 Randomized signal transforms and their applications
11/16/2005EP1596529A1 Cryptographic device authentication
11/16/2005EP1328905B1 Method for checking postage stamps on letters and parcels
11/16/2005EP1328891A4 System and method for managing trust between clients and servers
11/16/2005EP1249095B1 Method for issuing an electronic identity
11/16/2005EP1046142B1 Data processing device and method for operating same which prevents a differential current consumption analysis
11/16/2005CN1698040A Information recording medium, information processing device, information processing method, and computer program
11/16/2005CN1697552A Techniques for performing UMTS authentication using SIP (session initiation protocol) messages
11/16/2005CN1697512A De-interleaving device and method of possessing pattern recognition unit
11/16/2005CN1227891C Image system monitored or controlled to ensure fidelity of files captured
11/16/2005CN1227860C Authentification of data in a digital transmission system
11/16/2005CN1227858C System and method for enabling secure access to service in computer network
11/10/2005WO2005107148A1 Authentication system
11/10/2005WO2005107147A1 Authentication system, authentication acquisition device, and authentication method
11/10/2005US20050249348 Data encryption/decryption method, device, and program
11/09/2005EP1594036A2 Method for Confirmation of Software and Apparatus for Executing Software
11/09/2005EP1594035A2 Apparatus and method for providing authentication information
11/09/2005EP1514174B1 Aes mixcolumn transform
11/09/2005EP1410545A4 Method and apparatus for data encryption
11/09/2005EP1290545B1 Cryptographic method and cryptographic device
11/09/2005EP1190294A4 Robust random number generator
11/09/2005CN1695123A Dynamic negotiation of security arrangements between web services
11/09/2005CN1694504A Processing auxiliary data of video sequences
11/09/2005CN1694452A Communication method and system between a terminal and at least a communication device
11/09/2005CN1694400A Device authentication
11/09/2005CN1694398A Randomized signal transforms and their applications
11/09/2005CN1226843C Method for supplying file information interconnected with customer machine to server
11/08/2005US6963979 Cryptographic accelerator
11/03/2005WO2005103919A1 User authentication system and data providing system using the same
11/03/2005US20050246553 Mobile terminal and data protection system
11/03/2005US20050246546 Access method
11/03/2005US20050246530 Confirmation method of software and apparatus for executing software
11/03/2005US20050246253 System to enable a telecom operator provide financial transactions services and methods for implementing such transactions
11/03/2005US20050243934 Processing auxiliary data of video sequences
11/03/2005US20050243778 Seamless public wireless local area network user authentication
11/03/2005US20050243364 Image processing system
11/03/2005US20050242987 Random number sequence sharing system, random number sequence sharing apparatus, codec system, coding apparatus, decoding apparatus, random number sequence sharing method, coding method, decoding method, and program product
11/03/2005US20050242860 FFT-based multichannel video receiver
11/03/2005DE202005009880U1 Information carrier for use in bank, has two basic cards, where one card has openings tipped with sliding buttons, preferably made of metal, plastic and wood, secured against falling and arranged with single-color or multiple colors
11/02/2005EP1592259A1 Processing auxiliary data of video sequences
11/02/2005EP1590960A2 Method for storing and transmitting data generated by a security module
11/02/2005EP1064754B1 Authentification of data in a digital transmission system
11/02/2005EP0962070B1 Administration and utilization of secret fresh random numbers in a networked environment
11/02/2005CN1692339A Contents delivery system, information processing apparatus or information processing method and computer program
11/02/2005CN1691573A Method and system for displaying and managing security information
11/02/2005CN1225903C Method for erasing data signal stored on recording medium
11/02/2005CN1225711C Digital content issuing system and digital content issuing method
11/01/2005US6961564 Method for enabling a subscriber entity to actively communicate in a communication network
11/01/2005US6961429 Method and device for guaranteeing the integrity and authenticity of a set of data
11/01/2005CA2284681C Transmission and reception of television programmes and other data
10/2005
10/27/2005US20050240996 Method and system for displaying and managing security information
10/27/2005US20050237821 Method and system of external data storage
10/27/2005DE102004058239A1 Bildwandler Image converter
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