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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10/05/2006 | US20060225089 Wireless terminal device, wireless communication method, and computer program |
10/05/2006 | US20060224903 System and methods for secure transaction management and electronics rights protection |
10/05/2006 | US20060224510 Method and apparatus for a cryptographically-assisted commerical network system designed to facilitate and support expert-based commerce |
10/05/2006 | US20060224509 Method and apparatus for a cryptographically-assisted commerical network system designed to facilitate and support expert-based commerce |
10/05/2006 | US20060221924 Mobile communications terminal for transmitting data frames in wireless lan and method thereof |
10/05/2006 | US20060221686 Integrated circuit that uses a dynamic characteristic of the circuit |
10/04/2006 | EP1708432A2 Wireless terminal device, wireless communication method and computer program |
10/04/2006 | EP1708406A2 Method and apparatus for distributing new keys in a secure group of collaborators |
10/04/2006 | EP1377890B1 Computer system protection |
10/04/2006 | EP1326469B1 Method and device for checking the authenticity of a service provider in a communications network |
10/04/2006 | EP1303958B1 Data transmission using pulse width modulation |
10/04/2006 | EP1166492B1 Duty cycle corrector for a random number generator |
10/04/2006 | EP1129542B1 Method and apparatus for secure digital chaotic communication |
10/04/2006 | EP1101376B1 Security module, security system and mobile station |
10/04/2006 | CN1843025A 图像处理设备 The image processing apparatus |
10/04/2006 | CN1842989A Digital authentication over acoustic channel |
10/04/2006 | CN1842780A Mutual authentication system between user and system |
10/04/2006 | CN1842043A Mobile communications terminal for transmitting data frames in wireless lan and method thereof |
10/04/2006 | CN1842040A Wireless terminal device, wireless communication method |
10/04/2006 | CN1841443A Calculation method, calculation equipment and computer program |
10/04/2006 | CN1278222C Generating random data |
10/03/2006 | USRE39319 Copy prevention method and apparatus for digital video system |
10/03/2006 | US7117371 Shared names |
10/03/2006 | US7117368 Anonymous participation authority management system |
10/03/2006 | US7117361 Method of transmitting information data from a sender to a receiver via a transcoder |
10/03/2006 | US7117233 Random number generator and method for generating a random number |
10/03/2006 | CA2257477C Process for cryptographic code management between a first computer unit and a second computer unit |
09/28/2006 | US20060218651 Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights management |
09/28/2006 | US20060214006 Tamper resistant device and file generation method |
09/27/2006 | EP1705599A2 Data security services with an algorithm-independant architecture |
09/27/2006 | EP1705596A2 Architecture for manufacturing authenticatable gaming systems |
09/27/2006 | CN1839624A Data conversion system |
09/27/2006 | CN1839375A Reprogrammable security for controlling piracy and enabling interactive content |
09/27/2006 | CN1838200A Apparatus and method for drive control, and computer product |
09/27/2006 | CN1838143A Method for implementing PKI application of bank card on computer |
09/27/2006 | CN1277415C Mixed-media telecommunication call method and videophone |
09/26/2006 | US7114179 Method and system for ordering, loading and using access tickets |
09/26/2006 | US7114081 Outside leakage preventing system of confidential information |
09/26/2006 | US7113912 Composite digital works having usage rights and method for creating the same |
09/26/2006 | US7113599 Location-independent packet routing and secure access in a short-range wireless networking environment |
09/26/2006 | US7113592 Method and device for loading input data into a program when performing an authentication |
09/21/2006 | WO2006098151A1 Disc manufacturing method, data recording device, information recording medium, information processing device and method, and computer program |
09/21/2006 | WO2006098136A1 Information recording/reproducing device |
09/21/2006 | US20060212903 Moving picture processing device, information processing device, and program thereof |
09/21/2006 | US20060212722 Systems and methods for secure transaction management and electronic rights protection |
09/21/2006 | US20060212664 Data storage apparatus, data processing apparatus, information processing system, and data storage method |
09/21/2006 | US20060212397 Authentication device, mobile terminal, and authentication method |
09/21/2006 | US20060212394 Electronic value exchange system and electronic value exchange method |
09/21/2006 | US20060212370 Cryptographic methods, apparatus and systems for storage media electronic rights management in closed and connected appliances |
09/21/2006 | US20060210244 Image recording system and image recording apparatus |
09/21/2006 | US20060210076 Imaging system with respository on a distributed network |
09/20/2006 | EP1703484A2 Storage device for personal identification numbers. |
09/20/2006 | EP1703456A2 Electronic value exchange system and electronic value exchange method |
09/20/2006 | EP1703455A2 Electronic value exchange method, user device, and third-party device |
09/20/2006 | EP1703408A1 Data communicating apparatus and method for managing memory of data communicating apparatus |
09/20/2006 | CN1836461A Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station mobile terminal and mobile radio |
09/20/2006 | CN1835047A Photoelectronic information encrypting coding method |
09/20/2006 | CN1835031A Electronic value exchange system and electronic value exchange method |
09/20/2006 | CN1835013A Electronic value exchange method, user device, and third-party device |
09/20/2006 | CN1834975A Tamper resistant device and file generation method |
09/20/2006 | CN1276613C Method, device and system for data transmission in signature and authentication |
09/20/2006 | CN1276610C Electronic value data communication method and system, IC cards, portable terminal and communication terminal |
09/20/2006 | CN1276367C Multimedia data flow code conversion system |
09/20/2006 | CN1276321C Systems and methods for secure transaction management and electronic rights protection |
09/19/2006 | US7111258 Method for designing logic circuit and CAD program |
09/19/2006 | US7111171 Parallel distribution and fingerprinting of digital content |
09/19/2006 | US7111166 Extending the range of computational fields of integers |
09/19/2006 | US7111032 Residue computing device |
09/19/2006 | US7111029 Random number generating circuit |
09/19/2006 | US7111005 Method and apparatus for automatic database encryption |
09/19/2006 | US7110548 Cryptographic communication method, encryption algorithm shared control method, encryption algorithm conversion method and network communication system |
09/19/2006 | US7110545 Method and apparatus for symmetric-key encryption |
09/19/2006 | US7110538 Method for accelerating cryptographic operations on elliptic curves |
09/14/2006 | WO2006095742A1 Packet transmitting apparatus |
09/14/2006 | WO2006094447A1 A method for implementing the access configuration mode resource reservation in the next generation network |
09/14/2006 | WO2006042155B1 Floating vector scrambling methods and apparatus |
09/14/2006 | US20060204210 Content data recording apparatus with encryption by media ID |
09/13/2006 | EP1701469A1 Information processing device |
09/13/2006 | EP1701350A2 Content data recording apparatus with encryption by media id |
09/13/2006 | EP1701312A1 Authentication device, mobile terminal, and authentication method |
09/13/2006 | EP1701248A1 Random number generating method and device |
09/13/2006 | EP1031207B1 Apparatus, and associated method, for generating a pseudo-random number |
09/13/2006 | CN1832448A Method for implementing resource preretention of inserted allocation mode in next network |
09/13/2006 | CN1831994A Content data recording apparatus with encryption by media id |
09/13/2006 | CN1831900A Decryption apparatus and decryption method |
09/13/2006 | CN1831876A Authentication device, mobile terminal, and authentication method |
09/12/2006 | US7107450 Content-based authentication of graph presented in text documents |
09/08/2006 | WO2006092960A1 Authenticating device |
09/07/2006 | US20060200418 Large capacity data sales server and recording medium recording program thereof |
09/07/2006 | US20060200417 Method for loaning digital works |
09/07/2006 | US20060200392 Cryptographic methods, apparatus and systems for storage media electronic rights management in closed and connected appliances |
09/07/2006 | DE60209475T2 Datensicherungs-kommunikationsvorrichtung und -verfahren Backup communication device and method |
09/07/2006 | DE10085276B4 Verfahren und Einrichtung zum Implementieren eines Blattknoten-Stellvertreters in einem Netzwerk Method and apparatus for implementing a leaf node's deputy in a network |
09/06/2006 | EP1699165A2 Authentication of data transmitted in a digital transmission system |
09/06/2006 | EP1699164A2 Authentication of data transmitted in a digital transmission system |
09/06/2006 | EP1699161A1 Prime calculation device, method, and key issuing system |
09/06/2006 | EP1699160A1 Prime calculation device, method, and key issuing system |
09/06/2006 | EP1698959A1 Method and apparatus for providing secure data exchange transactions in a collaborative environment |
09/06/2006 | EP1697843A2 System and method for managing protocol network failures in a cluster system |
09/06/2006 | EP1449069A4 Galois field linear transformer |