| 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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| 10/27/2005 | DE102004016580A1 Verfahren zur Übertragung von Daten in einem Ad Hoc Netzwerk oder einem Sensornetzwerk Method for transmitting data in an ad hoc network or a sensor network |
| 10/26/2005 | EP1589777A1 Unitary management authentication device |
| 10/26/2005 | EP1589753A2 Content reproduction apparatus, content recording apparatus, network system, and content recording/reproduction method |
| 10/26/2005 | EP1589398A2 Method and system for displaying and managing security information |
| 10/26/2005 | EP1504588A4 System to enable a telecom operator provide financial transactions services and methods for implementing such transactions |
| 10/26/2005 | EP1098870B1 Nitrate salt of Cetirizine |
| 10/26/2005 | CN1688973A Probable prime numbers for cryptographic applications |
| 10/26/2005 | CN1225122C Method for controlling use of enciphered data |
| 10/26/2005 | CN1224925C Method of digit identity authentication based on features of non-biophysics |
| 10/26/2005 | CN1224909C Digital works protecting system |
| 10/26/2005 | CN1224872C Digital data copyright protection system |
| 10/26/2005 | CN1224871C Data processing device and circuit therefor |
| 10/25/2005 | US6959386 Hiding encrypted messages in information carriers |
| 10/25/2005 | US6959381 Central key authority (CKA) database for user accounts in ABDS system |
| 10/25/2005 | US6959290 Method and apparatus for tracking states of digital works |
| 10/25/2005 | US6959091 Cryptography private key storage and recovery method and apparatus |
| 10/25/2005 | US6959090 Content Protection scheme for a digital recording device |
| 10/25/2005 | US6959089 Method and apparatus for secure transmission of data |
| 10/23/2005 | CA2500618A1 Method and system for displaying and managing security information |
| 10/20/2005 | WO2005098796A1 Padding application method guaranteeing safety of encryption method |
| 10/20/2005 | WO2005098795A1 Computer system, computer program, and addition method |
| 10/20/2005 | US20050235147 Universal microphone for secure radio communication |
| 10/20/2005 | US20050234832 Recording/reproduction device for encrypting and recording data on storage medium and method thereof |
| 10/20/2005 | US20050232593 Recording/reproduction device and method thereof |
| 10/20/2005 | US20050232414 Block encoding method and block encoding/decoding circuit |
| 10/19/2005 | EP1587276A2 Universal microphone for secure radio communication |
| 10/19/2005 | EP1586999A1 Content delivery system, information processing apparatus or information processing method, and computer program |
| 10/19/2005 | EP1586973A2 Method for encryption backup and method for decryption restoration |
| 10/19/2005 | EP1586028A2 Method of constructing hyperelliptic curves suitable for cryptographic purposes and cryptographic apparatus using such a method |
| 10/19/2005 | EP1269681B1 Authentication of data transmitted in a digital transmission system |
| 10/19/2005 | EP1260052B1 Cryptographic communication process and apparatus |
| 10/19/2005 | EP1036460B1 A method for packet authentication in the presence of network address translations and protocol conversions |
| 10/19/2005 | CN1685296A Block encoding method and block encoding/decoding circuit |
| 10/19/2005 | CN1684410A Method for encryption backup and method for decryption restoration |
| 10/19/2005 | CN1684115A Text digital water printing technology based on character topoloical structure |
| 10/19/2005 | CN1224213C Method for issuing an electronic identity |
| 10/19/2005 | CN1224212C Data securing communication apparatus and method |
| 10/19/2005 | CN1224210C Quantum encoder whose polarization state is modulated by phase and decoder and its application |
| 10/18/2005 | US6957342 Security module, security system and mobile station |
| 10/18/2005 | US6957336 Establishing initial PuK-linked account database |
| 10/18/2005 | US6957335 Initializing, maintaining, updating and recovering secure operation within an integrated system employing a data access control function |
| 10/18/2005 | US6957193 Repository with security class and method for use thereof |
| 10/18/2005 | US6956950 Computer readable medium having a private key encryption program |
| 10/18/2005 | US6956946 Method and device for cryptographic processing with the aid of an elliptic curve on a computer |
| 10/18/2005 | CA2332063C Encryption evaluation support system that can largely reduce evaluation time of encryption algorithm, and record medium recording its program |
| 10/13/2005 | US20050229009 Method and equipment for encrypting/decrypting physical characteristic information, and identification system utilizing the physical characteristic information |
| 10/13/2005 | US20050228994 Method for encryption backup and method for decryption restoration |
| 10/13/2005 | US20050226411 Method of generating electronic keys for a public-key cryptography method and a secure portable object using said method |
| 10/13/2005 | US20050226408 Apparatus and method for encryption and decryption |
| 10/13/2005 | US20050226407 Data conversion device and data conversion method |
| 10/13/2005 | DE202005010905U1 PIN ciphering device has base plate with pivot pin on which are ciphering discs of graduated dimensions to carry ciphers, turnable around a common central spot |
| 10/13/2005 | DE102005012098A1 Datenchiffrierprozessor sowie AES-Chiffriersystem und AES-Chiffrierverfahren Datenchiffrierprozessor and AES cryptosystem and AES cipher |
| 10/12/2005 | EP1032873A4 Apparatus for multiprecision integer arithmetic |
| 10/12/2005 | CN1682533A A video recorder unit and method of operation therefor |
| 10/12/2005 | CN1682504A Method for the transmission of data telegrams in a switched cyclical communication system |
| 10/12/2005 | CN1682501A System for efficient recovery of node-B buffered data following MAC layer reset |
| 10/12/2005 | CN1682477A Image encryption method and visual decryption device |
| 10/12/2005 | CN1682204A Certification processing hardware, certification processing system and use management hardware |
| 10/12/2005 | CN1222854C Method of verifying the authenticity of dynamically connectable executable images |
| 10/06/2005 | US20050222991 Information providing apparatus, information providing method, information providing program, and recording medium |
| 10/06/2005 | US20050222953 Accessing information on a network using an extended network universal resource locator |
| 10/06/2005 | US20050220306 Method of transmitting data in a network |
| 10/06/2005 | US20050220298 Cryptographic method for distributing load among several entities and devices therefor |
| 10/06/2005 | US20050219564 Image forming device, pattern formation method and storage medium storing its program |
| 10/06/2005 | US20050218294 Image sensor |
| 10/05/2005 | EP1582962A2 Methods and systems for protecting media content |
| 10/05/2005 | EP0872077A4 Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
| 10/05/2005 | CN1679051A Fingerprint embedding for medium content identification |
| 10/05/2005 | CN1678985A Feedback random number generation method and system |
| 10/05/2005 | CN1678967A Multi-token seal and unseal |
| 10/05/2005 | CN1678065A Content reproduction apparatus, content recording apparatus, and content recording/reproduction method |
| 10/05/2005 | CN1678054A Recording/reproduction device for encrypting and recording data on storage medium and method thereof |
| 10/05/2005 | CN1678012A Image sensor |
| 10/05/2005 | CN1677920A Methods and systems for protecting media content |
| 10/05/2005 | CN1677919A Radio transmission device, mutual authentication method and mutual authentication program |
| 10/05/2005 | CN1677918A Radio transmission device, mutual authentication method and mutual authentication program |
| 10/05/2005 | CN1677547A Recording/reproduction device and method thereof |
| 10/05/2005 | CN1677307A Method for firming legitimate of software and device for executing software |
| 10/05/2005 | CN1222168C Information package program component detecting method |
| 10/05/2005 | CN1222154C Apparatus for synchronizing compressed vision signal receiving system |
| 10/05/2005 | CN1221928C Cryptographic method of protecting electronic chip against fraud |
| 10/05/2005 | CN1221877C System for providing encrypted data, system for decrypting encrypted data and method for providing communication interface in such decrypting system and broadcasting method |
| 10/04/2005 | US6952773 Requesting execution of instructions on accounts in ABDS system |
| 10/04/2005 | US6952478 Method and system for performing permutations using permutation instructions based on modified omega and flip stages |
| 09/29/2005 | WO2005091149A1 Backup device, backed-up device, backup intermediation device, backup system, backup method, data restoration method, program, and recording medium |
| 09/29/2005 | US20050216771 Information management system |
| 09/29/2005 | US20050216738 Radio transmission device, mutual authentication method and mutual authentication program |
| 09/29/2005 | US20050216731 Content distribution apparatus, content receiving apparatus, and content distribution method |
| 09/29/2005 | US20050216730 Content transmission control device, content distribution device and content receiving device |
| 09/29/2005 | US20050216415 Method and apparatus for executing code in accordance with usage rights |
| 09/29/2005 | US20050213764 Radio transmission device, mutual authentication method and mutual authentication program |
| 09/29/2005 | US20050213756 Round key generation for aes rijndael block cipher |
| 09/29/2005 | DE102005010764A1 Multipliziereinheit und zugehörige Operationseinheit und Akkumuliereinheit Multiplier and associated operating unit and accumulating unit |
| 09/28/2005 | EP1580924A2 Method for Electronic Cash Transfer in a Telecommunication System |
| 09/28/2005 | EP1412926B1 Method for managing purchase of broadcast digital contents and means for downloading same |
| 09/28/2005 | EP1290544B1 Pseudo-random number generator |
| 09/28/2005 | EP1086547B1 Method for making secure one or several electronic installations using a cryptographic secret key algorithm, and electronic installation |
| 09/28/2005 | EP1080559B1 Method for secure distribution of data |
| 09/28/2005 | EP0771499B1 Method for securely using digital signatures in a commercial cryptographic system |
| 09/28/2005 | CN1675877A Encrypting/decrypting device and method, encrypting device and method, decrypting device and method, and transmitting/receiving device |