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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04/20/2005 | EP1524580A2 Digital rights management system |
04/20/2005 | EP1523823A2 Method of generating electronic keys for a public-key cryptography method and a secure portable object using said method |
04/20/2005 | EP1523822A2 Secure presentation of encrypted digital content |
04/20/2005 | EP1366438A4 Apparatus, method and system for directory quality assurance |
04/20/2005 | EP1364291A4 Apparatus, method and system for multiple resolution affecting information access |
04/20/2005 | CN1608249A 多核心多线程处理器 Multi-core multi-threaded processor |
04/20/2005 | CN1607802A A service triggering method based on original called number information |
04/20/2005 | CN1607762A 数字权限管理系统 Digital rights management system |
04/20/2005 | CN1607518A Utilizing SIMD instructions within Montgomery multiplication |
04/19/2005 | US6883094 Communication device for monitoring datalink layer information and outputting data based on communication request information type |
04/19/2005 | US6882727 Method of ciphering data transmission in a radio system |
04/14/2005 | US20050080746 Digital rights management system |
04/14/2005 | US20050078942 Information processing apparatus and method program, and recording medium |
04/13/2005 | EP1522990A2 Signal processing method |
04/13/2005 | EP1522165A1 Parallel distribution and fingerprinting of digital content |
04/13/2005 | EP1208416B1 A technique for producing a parameter, such as a checksum, through a primitive that uses elementary register operations |
04/13/2005 | EP0885501A4 Remote proxy system and method |
04/13/2005 | CN1606857A Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers |
04/13/2005 | CN1606845A Synchronizing source and destination systems via parallel hash value determinations |
04/13/2005 | CN1197291C 编码装置 Encoding means |
04/13/2005 | CN1197030C Apparatus for authenticating user and method therefor |
04/07/2005 | US20050076244 Control method for wireless communication system, wireless communicaction device, base station, and authentication device in communication system |
04/07/2005 | US20050076212 Method and system for authenticating service using integrated circuit card |
04/06/2005 | EP1521491A2 Control method for a wireless communication system, wireless communication device, base station and authentication device in the communication system |
04/06/2005 | EP1521423A2 Method of constructing domain based on public key and implementing the domain through universal plug and play (UPnP) |
04/06/2005 | EP1520367A1 A method and a system for biometric identification or verification |
04/06/2005 | EP1368726A4 Apparatus and method for providing secure network communication |
04/06/2005 | EP1358729A4 Apparatus, method, and system for accessing digital rights management information |
04/06/2005 | EP0956673A4 Method and system for processing electronic documents |
04/06/2005 | EP0909494A4 Method and apparatus for a cryptographically-assisted commercial network system designed to facilitate and support expert-based commerce |
04/06/2005 | CN1605203A Interactive protocol for remote management of access control to scrambled data |
04/06/2005 | CN1605059A Pipeline core in montgomery multiplier |
04/06/2005 | CN1605054A Connectinmg a virtual token to a physical token |
04/06/2005 | CN1604552A Method of constructing domain based on public key and implementing the domain through universal plug and play (UPnP) |
04/06/2005 | CN1604526A Communication system, information processing apparatus, information processing method and recording medium |
04/06/2005 | CN1604520A Control method for wireless communication system, wireless communication device, base station, and authentication device in communication system |
04/06/2005 | CN1604519A Home network device, home network system and method therefor |
04/06/2005 | CN1196330C Copy protection system for home networks |
04/06/2005 | CN1196320C Device and method for synchronization of compressed video signal receiving system |
04/05/2005 | US6876984 Method and apparatus for establishing usage rights for digital content to be created in the future |
04/05/2005 | US6876745 Method and apparatus for elliptic curve cryptography and recording medium therefore |
03/31/2005 | WO2005029853A1 Data conversion system |
03/31/2005 | US20050071682 Layer 2 switch device with verification management table |
03/31/2005 | US20050071636 Home network device, home network system and method for automating take ownership process |
03/31/2005 | US20050071634 Certification apparatus, method and device for authenticating message origin |
03/31/2005 | DE10338955A1 Check-card sized device for storing number combinations, especially PINs, has pull out strips on which a user writes his PINs so that they will only be in a correct sequence with a special master PIN is correctly displayed |
03/30/2005 | EP1519536A2 Home network device, home network system and method for automating take ownership process |
03/30/2005 | EP1518414A1 Method for generating hashes from a compressed multimedia content |
03/30/2005 | EP1518412A2 Method for coding and decoding digital data stored or transmitted according to the pixels method for transmitting prioritised pixels |
03/30/2005 | EP1518410A1 Robust signature for signal authentication |
03/30/2005 | EP1518347A2 Round key generation for aes rijndael block cipher |
03/30/2005 | EP1518172A1 Testing probable prime numbers for cryptographic applications |
03/30/2005 | EP1518165A2 Computation of a multiple of a group element for cryptographic purposes |
03/30/2005 | EP1364277A4 Apparatus, method and system for effecting information access in a peer environment |
03/30/2005 | EP1358543A4 Apparatus method and system for registration effecting information access |
03/30/2005 | EP1330702B1 Method and system of using an insecure crypto-accelerator |
03/30/2005 | EP1013030A4 Method and apparatus for secure storage of data |
03/30/2005 | EP1001398B1 Ciphering apparatus |
03/30/2005 | CN1602508A Block encoding/decoding method, circuit, and device |
03/30/2005 | CN1602076A Converter and method with hybrid RGB chart and YUV video signal |
03/30/2005 | CN1601577A Information processing device, printing device, print data transmission method, printing method, print data transmitting program, and recording medium |
03/30/2005 | CN1601490A Information security authentication and method for its encrypting device |
03/30/2005 | CN1601429A Systems and methods for secure transaction management and electronic rights protection |
03/24/2005 | WO2005027006A1 User position utilization system |
03/24/2005 | WO2003104969A3 Computations in a mathematical system |
03/24/2005 | WO2003069448A3 A coercion-free voting scheme |
03/24/2005 | US20050066101 Method and device for connecting sensors or actuators to a bus system |
03/24/2005 | US20050063546 Mini time key creation method and system |
03/24/2005 | US20050062998 Information processing device, printing device, print data transmission method, printing method, print data transmitting program, and recording medium |
03/24/2005 | DE10340165A1 Sensor connection procedure for vehicle TTCAN networks synchronizes sensor or actuator to bus system clock during fast clock first phase |
03/23/2005 | EP1517507A1 Processing and printing devices, methods, program, and recording medium |
03/23/2005 | EP1516452A1 System for authentication between devices using group certificates |
03/23/2005 | CN1599311A Secure communication with a keyboard or related device |
03/23/2005 | CN1598873A Network screen coding control method capable of recording mass data on paper |
03/23/2005 | CN1194322C 内容递送系统和著作权保护系统以及内容接收终端 Content delivery systems and copyright protection systems and content receiving terminal |
03/17/2005 | WO2004021275A8 Embedding fingerprint data for media content identification |
03/17/2005 | US20050060536 Portable information terminal, and electronic information authenticating system and method using same terminal |
03/17/2005 | US20050059059 Novel nucleic acid based steganography system and application thereof |
03/16/2005 | EP1515438A1 Generation of a normalized random bitstream |
03/16/2005 | EP1515216A2 Systems and methods for secure transaction management and electronic rights protection |
03/16/2005 | EP1514174A1 Aes mixcolumn transform |
03/16/2005 | CN1596543A Information processing apparatus and method, program, and recording medium |
03/16/2005 | CN1596521A Information content distribution based on privacy and/or personal information |
03/16/2005 | CN1193537C Method and system for converting input data block into output data block by encryption |
03/16/2005 | CN1193314C Cryptographic key management and validation system |
03/10/2005 | WO2005022912A1 Moving image distribution system, moving image dividing system, moving image distribution program, moving image dividing program, and recording medium storing moving image distribution program and/or moving image dividing program |
03/10/2005 | WO2005022895A1 Image processing apparatus |
03/10/2005 | WO2005022396A1 Mutual authentication system between user and system |
03/10/2005 | WO2004093372A3 Protection of digital content using block cipher cryptography |
03/10/2005 | US20050055551 Interactive protocol for remote management of access control to scrambled data |
03/10/2005 | US20050055550 Texturing system |
03/10/2005 | US20050055311 Encryption device and encryption method |
03/10/2005 | US20050053208 Process, arrangement, devices for seizure of a shared telephone line |
03/10/2005 | US20050052840 Host instrument, package to be inserted into same, external storage medium to be used therefor, and method for authenticating package to be inserted into host instrument |
03/09/2005 | EP1513314A2 Method and apparatus for managing and displaying contact authentication in a peer-to-peer collaboration system |
03/09/2005 | EP1513286A1 Data sharing method, request processing method, program, and apparatus |
03/09/2005 | EP1512252A1 Network security |
03/09/2005 | EP1512147A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
03/09/2005 | EP1512130A1 Device for automatic reading of a plurality of codes by means of a single key code |
03/09/2005 | EP1512101A2 Methods and apparatus for a title transaction network |