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