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) |
---|
01/02/2004 | EP1376305A2 Secure hardware identifier (HWID) for use in a digital rights management (DRM) system |
01/02/2004 | EP1374556A2 Adding electronic signature to a report associated with an image file |
01/02/2004 | EP1374191A2 Extraction of a private datum to authenticate an integrated circuit |
01/02/2004 | EP1374063A2 Method and apparatus for automatic database encryption |
01/02/2004 | EP1224533B1 A cryptographic accelerator |
01/01/2004 | US20040003271 Providing a secure hardware identifier (HWID) for use in connection with digital rights management (DRM) system |
01/01/2004 | US20040003269 Systems and methods for issuing usage licenses for digital content and services |
01/01/2004 | US20040003268 Using a rights template to obtain a signed rights label (SRL) for digital content in a digital rights management system |
01/01/2004 | US20040003139 Secure server plug-in architecture for digital rights management systems |
01/01/2004 | US20040003116 Agile network protocol for secure communications with assured system availability |
12/31/2003 | WO2004002162A1 Method for generating hashes from a compressed multimedia content |
12/31/2003 | WO2004002159A1 Robust signature for signal authentication |
12/31/2003 | WO2004002058A2 Method of generating electronic keys for a public-key cryptography method and a secure portable object using said method |
12/31/2003 | WO2004002057A2 Round key generation for aes rijndael block cipher |
12/31/2003 | WO2004001985A2 Authentication in a communication system |
12/31/2003 | WO2004001595A1 Testing probable prime numbers for cryptographic applications |
12/31/2003 | WO2003036450A3 Dram power management |
12/31/2003 | CN2596445Y Sound frequency anti-fake marking article |
12/31/2003 | CN1465161A Memory access control system and management method using access control ticket |
12/31/2003 | CN1465160A Data access management system and management method using access control ticket |
12/31/2003 | CN1465011A Data transfer system, data transfer apparatus, data recording apparatus, data management method, identifier generation method |
12/31/2003 | CN1465010A Data transfer system, data transfer apparatus, data recording apparatus, data transfer method |
12/31/2003 | CN1465008A Data processing method and its apparatus |
12/31/2003 | CA2489839A1 Authentication in a communication system |
12/31/2003 | CA2489193A1 Testing probable prime numbers for cryptographic applications |
12/30/2003 | US6671806 Watermark detector |
12/30/2003 | US6671803 Method and system for consumer electronic device certificate management |
12/25/2003 | US20030237004 Certificate validation method and apparatus thereof |
12/25/2003 | US20030236980 Authentication in a communication system |
12/25/2003 | US20030235299 Computer-implemented method for fast generation and testing of probable prime numbers for cryptographic applications |
12/24/2003 | WO2003107602A1 Network security |
12/24/2003 | WO2003107588A1 System for authentication between devices using group certificates |
12/24/2003 | CN1463428A Data transfer system, data transfer appts. data recording appts. and data transfer method |
12/24/2003 | CN1462989A Encrypting device and encrypting method |
12/24/2003 | CN1132375C Method of generating random number from radio signal |
12/24/2003 | CN1132358C Information signal recording/reproducing system and information signal recording/reproducing process |
12/24/2003 | CN1132175C Method of obtaining or access of copying protection otical recording carrier with different blocks carried information |
12/24/2003 | CN1132128C Method for recognizing carried certificate by remote terminal correspondent carried certificate and terminal |
12/24/2003 | CN1132110C Method for enabling trial period use of software products |
12/23/2003 | US6668325 Obfuscation techniques for enhancing software security |
12/23/2003 | US6667665 Random number generator |
12/23/2003 | US6666381 Information processing device, information processing method and smartcard |
12/23/2003 | CA2227296C Bio-active frequency generator and method |
12/18/2003 | WO2003105110A1 Device for automatic reading of a plurality of codes by means of a single key code |
12/18/2003 | WO2003104973A1 Aes mixcolumn transform |
12/18/2003 | WO2003104969A2 Method for improving unpredictability of output of pseudo-random number generators |
12/18/2003 | WO2003036508A3 Stream processor with cryptographic co-processor |
12/18/2003 | WO2003036482A3 Multi-core multi-thread processor |
12/18/2003 | WO2002063879A3 A service gateway for interactive television |
12/18/2003 | US20030233560 Method for protecting program in microcomputer |
12/18/2003 | US20030233559 Data processing apparatus and data processing method |
12/18/2003 | US20030233548 Authentication of an electronic tag |
12/18/2003 | CA2488514A1 Method for improving unpredictability of output of pseudo-random number generators |
12/18/2003 | CA2487536A1 Device for automatic reading of a plurality of codes by means of a single key code |
12/17/2003 | EP1372315A2 Security gateway for online console-based gaming |
12/17/2003 | EP1372292A1 Secure key exchange with mutual authentication |
12/17/2003 | EP1372120A1 Authentification of electronic ticket |
12/17/2003 | EP1372119A1 IC card and cryptographic communication method between IC cards |
12/17/2003 | EP1371207A1 Portable device for securing packet traffic in a host platform |
12/17/2003 | EP1370933A2 Method and device for modular multiplication |
12/17/2003 | CN1462392A Data storage apparatus |
12/17/2003 | CN1462020A Ciphor safety technology |
12/16/2003 | US6665405 Cyclotomic polynomial construction of discrete logarithm cryptosystems over finite fields |
12/16/2003 | US6665303 Scheme for realizing communications through external network from contents processing device connected to local network in home environment |
12/11/2003 | WO2003102795A1 Network multi-access method and electronic device having biological information authentication function for network multi-access |
12/11/2003 | WO2002006924A3 Transaction verification |
12/11/2003 | US20030229799 Semiconductor integrated circuits, data transfer systems, and the method for data transfer |
12/11/2003 | US20030229789 Secure key exchange with mutual authentication |
12/11/2003 | US20030229784 Method and system for veryfying the authenticity of a first communication participants in a communications network |
12/11/2003 | US20030229779 Security gateway for online console-based gaming |
12/11/2003 | US20030228886 Electronic value data communication method, communication system, IC card, portable terminal, and communication |
12/11/2003 | US20030228016 Image encryption apparatus, image encryption method, decryption apparatus, decryption method, program, and storage medium |
12/10/2003 | EP1369829A2 Electronic value data communication method and system between IC cards |
12/10/2003 | EP1369765A2 Information processing apparatus, program loading method, recording medium, program updating method and circuit device |
12/10/2003 | EP1368930A2 Cryptographic authentication with ephemeral modules |
12/10/2003 | EP1368726A2 Apparatus and method for providing secure network communication |
12/10/2003 | EP1368721A2 Method and system for processing a request of a customer |
12/10/2003 | EP0941611B1 A decoding apparatus and method for processing and storing encrypted video data |
12/10/2003 | EP0909433B1 Method for performing a double-signature secure electronic transaction |
12/10/2003 | CN1461565A Generating and matching hashes of multimedia content |
12/10/2003 | CN1461461A Data Securing Communication apparatus and method |
12/10/2003 | CN1461003A Information processing device, program loading and renewal method, medium and circuit equipment |
12/10/2003 | CN1130631C Television or radio control system development method |
12/09/2003 | US6662151 System for secured reading and processing of data on intelligent data carriers |
12/04/2003 | WO2003101073A1 Association of security parameters for a collection of related streaming protocols |
12/04/2003 | WO2003101042A1 Information processing system and method, information processing device and method, recording medium, and program |
12/04/2003 | WO2003101020A1 Advanced encryption standard (aes) hardware cryptographic engine |
12/04/2003 | WO2003100751A1 Data conversion device and data conversion method |
12/04/2003 | WO2003100629A1 User authentication method and system using user’s e-mail address and hardware information |
12/04/2003 | WO2003100544A2 Method for authenticating a user to a service of a service provider |
12/04/2003 | US20030226039 Image forming apparatus and control method for same |
12/04/2003 | US20030226009 Data transfer system and data transfer method |
12/04/2003 | US20030225698 Method and apparatus for executing code in accordance with usage rights |
12/04/2003 | US20030223580 Advanced encryption standard (AES) hardware cryptographic engine |
12/04/2003 | CA2486713A1 Advanced encryption standard (aes) hardware cryptographic engine |
12/03/2003 | EP1367764A2 Encryption device and encryption method |
12/03/2003 | EP1366622A1 Signal tracing system and method |
12/03/2003 | EP1366597A2 Multiple authentication sessions for content protection |
12/03/2003 | EP1366438A1 Apparatus, method and system for directory quality assurance |
12/03/2003 | CN1460225A Data processing system, memory device, data processor, data processing method and program |