| 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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| 02/07/2002 | US20020016913 Modifying message data and generating random number digital signature within computer chip |
| 02/07/2002 | US20020016894 Processing apparatus, integrated circuit and integrated circuit package |
| 02/07/2002 | US20020016822 Communication contents certification system, communication contents certification apparatus, communication contents certification method, and recording medium |
| 02/07/2002 | US20020016774 Network enabled application software system and method |
| 02/07/2002 | US20020015491 Public key encryption method and communication system using public key cryptosystem |
| 02/07/2002 | CA2417531A1 System and method for verifying delivery and integrity of electronic messages |
| 02/07/2002 | CA2417520A1 Cryptography private key storage and recovery method and apparatus |
| 02/06/2002 | EP1177687A1 Method of and apparatus for providing secure communication of digital data between devices |
| 02/06/2002 | EP1177536A1 Method of deriving an identification number |
| 02/06/2002 | EP0872097B1 Secured gateway interface |
| 02/06/2002 | CN2476071Y Cipher theft-proof plug |
| 02/06/2002 | CN2476070Y Cipher graphic anti-false mark |
| 02/06/2002 | CN1334674A Device and method for synchronization of compressed video signal receiving system |
| 02/05/2002 | US6345256 Automated method and apparatus to package digital content for electronic distribution using the identity of the source content |
| 01/31/2002 | WO2002009380A2 Data transmission using pulse with modulation |
| 01/31/2002 | WO2002008873A1 System and method of verifying the authenticity of dynamically connectable executable images |
| 01/31/2002 | US20020013884 Microcomputer and memory contents change in the microcomputer |
| 01/31/2002 | US20020012430 Encryption apparatus using data encryption standard algorithm |
| 01/30/2002 | EP1176757A2 System, method and apparatus for key distribution, license system, and program providing medium |
| 01/30/2002 | EP1176756A2 System and method for key distribution and program providing medium |
| 01/30/2002 | EP1176754A2 System, method and apparatus for key distribution and program providing medium |
| 01/30/2002 | EP1176490A2 Apparatus and method for the distribution of encrypted contents |
| 01/30/2002 | EP1038371A4 Transformation methods for optimizing elliptic curve cryptographic computations |
| 01/30/2002 | CN1333503A Microcomputer, system and method for changing storage data |
| 01/30/2002 | CN1333495A Hidden safety cipher |
| 01/29/2002 | US6343283 Data copyright management system |
| 01/29/2002 | US6343281 Device and method for preventing fraudulent copies of data containing encrypted copy-management information and recording medium |
| 01/29/2002 | US6343138 Security documents with hidden digital data |
| 01/24/2002 | WO2002006951A2 Computer software installation |
| 01/24/2002 | WO2002006924A2 Transaction verification |
| 01/24/2002 | US20020010864 Transaction verification |
| 01/24/2002 | US20020010861 Access control system, access control method, device, access control server, access-control-server registration server, data processing apparatus, and program storage medium |
| 01/24/2002 | US20020010635 Method of electronic commerce and profile converter used for electronic commerce |
| 01/24/2002 | US20020009200 Chaos cryptographic communication method and chaos cryptographic communication system |
| 01/24/2002 | US20020009196 Encryption device using data encryption standard algorithm |
| 01/23/2002 | EP1175039A2 Automated tracking of certificate pedigree |
| 01/23/2002 | EP1175038A2 Technique for obtaining a sign-on certificate from a foreign PKI system using an existing strong authentication PKI system |
| 01/23/2002 | EP1175037A2 Preventing ID spoofing with ubiquitous signature certificates |
| 01/23/2002 | EP1174833A2 Electronic commerce system and method |
| 01/23/2002 | CN2473705Y Remote control secrete device for electronic equipment |
| 01/23/2002 | CN2473678Y Shock-proof portable computer |
| 01/23/2002 | CN1332933A Copy protection system for home networks |
| 01/23/2002 | CN1332919A Incorporating shared randomness into distributed cryptography |
| 01/23/2002 | CN1332435A Intelligent automatic lotto system and method |
| 01/23/2002 | CN1332434A Anti-fake method |
| 01/23/2002 | CN1332419A Network trade protecting method adopting SOS cipher |
| 01/22/2002 | US6341349 Digital signature generating/verifying method and system using public key encryption |
| 01/22/2002 | US6341263 Speech recognition apparatus, method and storage medium thereof |
| 01/17/2002 | WO2002005483A1 Method for generating an electronic key from a prime number contained in a specific interval and device therefor |
| 01/17/2002 | WO2002005160A1 Electronic trading server, seller client, buyer client, and electronic trading method |
| 01/17/2002 | US20020007320 Method and system for secure payments over a computer network |
| 01/16/2002 | EP1172965A2 Encryption apparatus, decryption apparatus, expanded key generating apparatus and method therefor, and recording medium |
| 01/16/2002 | EP1171985A1 Monitoring integrity of transmitted data |
| 01/16/2002 | EP1171971A1 Method and device for effective key length control |
| 01/16/2002 | EP1171970A1 Method for encrypting information and device for realization of the method |
| 01/16/2002 | EP1171849A1 Communication system and method for efficiently implementing electronic transactions in mobile communication networks |
| 01/16/2002 | CN2472295Y Laser anti-fakery coded label |
| 01/16/2002 | CN1331873A Countermeasure method in electronic component using secret key cryptographic algorithm |
| 01/15/2002 | US6339645 Pseudo-random sequence generator and associated method |
| 01/10/2002 | WO2002003606A1 A method and system for secure transmission of data |
| 01/10/2002 | WO2002003605A1 Substitution-box for symmetric-key ciphers |
| 01/10/2002 | WO2002003341A1 Monetary system having public key infrastructure |
| 01/10/2002 | WO2002003338A1 Method and system for limiting the possibility of transforming data designed to constitute, in particular pre-payment tokens |
| 01/10/2002 | WO2001029652A3 A cryptographic accelerator |
| 01/10/2002 | US20020004899 Secure mail proxy system, method of managing security, and recording medium |
| 01/10/2002 | US20020004800 Electronic notary method and system |
| 01/10/2002 | US20020004783 Virtual wallet system |
| 01/10/2002 | US20020004399 Providing location data about a mobile entity |
| 01/10/2002 | US20020003881 Secure information distribution system utilizing information segment scrambling |
| 01/10/2002 | US20020003880 Copy protection apparatus and information recording medium used in this copy protection apparatus |
| 01/10/2002 | US20020003877 Encryption method, decryption method, cryptographic communication method, cryptographic communication system, memory product and data signal embodied in carrier wave |
| 01/10/2002 | US20020003876 Encryption apparatus using data encryption standard algorithm |
| 01/10/2002 | CA2414837A1 Method and system for limiting the possibility of transforming data designed to constitute, in particular pre-payment tokens |
| 01/09/2002 | EP1169831A1 Digital home network and method for creating and updating such a network |
| 01/09/2002 | EP1023794A4 System for detecting unauthorized account access |
| 01/09/2002 | EP0786178B1 Secret-key certificates |
| 01/09/2002 | CN1330820A Method and device for authenticating first instance and second instance |
| 01/08/2002 | US6338139 Information reproducing apparatus, authenticating apparatus, and information processing system |
| 01/08/2002 | CA2249810C Pseudo-random number generating method and apparatus therefor |
| 01/03/2002 | WO2002001332A2 System and method for providing security to components using shared names |
| 01/03/2002 | US20020002703 Device and method for updating code |
| 01/03/2002 | US20020002681 Verification data generating apparatus, data verification apparatus and storage medium for storing verification data generating program |
| 01/03/2002 | US20020001396 Files and methods employing common information in both header and steganographic embedding |
| 01/03/2002 | US20020001383 Cryptosystem using multivariable polynomials |
| 01/02/2002 | EP1168621A1 Integrated circuit with protection device |
| 01/02/2002 | EP1166496A1 Authentication and signature method for messages using reduced size of binary units of information content and corresponding systems |
| 01/02/2002 | EP1166495A1 Countermeasure method in an electric component implementing an elliptical curve type public key cryptography algorithm |
| 01/02/2002 | EP1166494A1 Countermeasure procedures in an electronic component implementing an elliptical curve type public key encryption algorithm |
| 01/02/2002 | EP1166492A2 Duty cycle corrector for a random number generator |
| 01/02/2002 | EP1166238A1 Method and system for ordering, loading and using access tickets |
| 01/02/2002 | CN1329318A Primary and secondary cyphers anti-false method for goods |
| 12/27/2001 | WO2001099337A1 Method for secure biometric authentication/identification, biometric data input module and verification module |
| 12/27/2001 | WO2001099071A2 An improved method and system for conducting secure payments over a computer network without a pseudo or proxy account number |
| 12/27/2001 | WO2001098908A1 Watermark detector |
| 12/27/2001 | WO2001055821A3 Microprocessor resistant to power analysis |
| 12/27/2001 | US20010056536 Secure multiple application card system and process |
| 12/27/2001 | US20010056410 Electronic commerce system and method |
| 12/27/2001 | US20010055392 Providing location data about a mobile entity |
| 12/27/2001 | US20010055387 Encryption method, decryption method, cryptographic communication system and encryption device |
| 12/27/2001 | CA2413882A1 An improved method and system for conducting secure payments over a computer network without a pseudo or proxy account number |