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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12/24/2008 | CN101329787A Terminal device, secure device and application authentication system |
12/24/2008 | CN100446106C Recording medium and method |
12/23/2008 | US7469345 Methods and apparatus for secure distribution of program content |
12/23/2008 | US7469339 Secure multiple application card system and process |
12/23/2008 | US7469231 Digital contents and system for receiving order for prints |
12/18/2008 | US20080313465 Signature schemes using bilinear mappings |
12/18/2008 | US20080313203 Information, transformation and reverse transformation processing |
12/18/2008 | US20080310628 Backup Management Device, Backup Management Method, Computer Program, Recording Medium, Integrated Circuit, and Backup System |
12/17/2008 | EP1461892A4 Information content distribution based on privacy and/or personal information |
12/17/2008 | CN100444544C Authentication system, server, and authentication method and program |
12/16/2008 | US7467301 Authentication processor using a signature part |
12/16/2008 | US7467300 Coded data including a distributed data stream |
12/16/2008 | US7467299 Authentication device |
12/16/2008 | US7467284 Method and system of externalising/internalising data record that allow processing of part or all of the record |
12/16/2008 | US7466826 Method of secure transmission of digital data from a source to a receiver |
12/16/2008 | US7466822 Data coding |
12/11/2008 | WO2008149496A1 Information security device |
12/11/2008 | US20080307231 Secure Handling of Stored-Value Data Objects |
12/10/2008 | EP2000943A1 Content search device |
12/10/2008 | CN100442324C Recording method, recording device, reproduction method and reproduction appts. |
12/09/2008 | US7464273 Content utilizing method |
12/09/2008 | US7464130 Logic circuit and method for performing AES MixColumn transform |
12/09/2008 | CA2365245C Server computer for guaranteeing files integrity |
12/09/2008 | CA2343388C Cloning protection scheme for a digital information playback device |
12/04/2008 | WO2008146639A1 Information sharing system, computer, project management server and information sharing method used for them |
12/04/2008 | WO2008146547A1 Key exchange device and key exchange method |
12/04/2008 | WO2008146482A1 Encryption device, decryption device, encryption method, and integrated circuit |
12/04/2008 | WO2008121023A3 Device for forming identification codes of a manufacturer of articles and goods |
12/04/2008 | US20080301455 Authentication System And Authentication Object Device |
12/03/2008 | CN100440884C Local digital network, methods for installing new devices and data broadcast and reception methods in such a network |
12/02/2008 | US7461406 Access control for digital content |
12/02/2008 | US7460666 Combinational circuit, encryption circuit, method for constructing the same and program |
11/27/2008 | WO2008141571A1 A sector base station |
11/27/2008 | US20080294451 Internet connection service providing method and system |
11/26/2008 | EP1995710A1 Information processing system, information processing method, and information processing program |
11/26/2008 | EP1386224A4 Polynomial arithmetic operations |
11/26/2008 | EP1166496B1 Authentication and signature method for messages using reduced size of challenge data and corresponding systems |
11/26/2008 | CN101313327A Method and apparatus for establishing usage rights for digital content to be created in the future |
11/26/2008 | CN100438619C Authentification of data in a digital transmission system |
11/26/2008 | CN100438461C Method and apparatus for authenticating and veritying user and computer over network |
11/26/2008 | CN100438421C Method and system for conducting user verification to sub position of network position |
11/26/2008 | CN100437548C Utilizing SIMD instructions within Montgomery multiplication |
11/26/2008 | CN100437470C Method and device for modular multiplication |
11/26/2008 | CN100437469C Feedback random number generation method and system |
11/26/2008 | CN100437468C Hadamard-transform on-line randomness test |
11/25/2008 | US7457961 Authentication of an object using a signature encoded in a number of data portions |
11/25/2008 | US7457956 Securing arbitrary communication services |
11/25/2008 | US7457415 Secure information distribution system utilizing information segment scrambling |
11/25/2008 | US7457408 Calculation unit for executing a cryptographic protocol |
11/20/2008 | DE102004016580B4 Verfahren zur Übertragung von Daten in einem Ad Hoc Netzwerk oder einem Sensornetzwerk Method for transmitting data in an ad hoc network or a sensor network |
11/19/2008 | EP1993087A1 Encryption and decryption processing method of achieving sms4 cryptographic algorithm and system thereof |
11/19/2008 | EP1993086A1 Elliptical curve encryption parameter generation device, elliptical curve encryption calculation device, elliptical curve encryption parameter generation program, and elliptical curve encryption calculation program |
11/19/2008 | CN101310301A Perpetual masking for secure watermark embedding |
11/19/2008 | CN100435508C Method and equipment for safety Internetwork protocol communication in call processing system |
11/18/2008 | US7454628 Method and apparatus for transmitting content data and recording and/or reproducing apparatus |
11/18/2008 | US7454626 Transmitting/receiving apparatus and a transmitting/receiving method |
11/18/2008 | US7454621 Processing copy protection signals |
11/18/2008 | US7454131 Image sensing apparatus with camera shake correction function |
11/18/2008 | US7454016 Data encryption system and method |
11/18/2008 | US7452278 Web access to secure data |
11/18/2008 | CA2261947C Simultaneous electronic transactions with visible trusted parties |
11/13/2008 | US20080279383 Method and apparatus of enciphering and deciphering data using multiple keys |
11/12/2008 | CN101303717A Systems and methods for secure transaction management and electronic rights protection |
11/12/2008 | CN100433616C Method for authenticating a user in a terminal, an authentication system, a terminal, and an authorization device |
11/12/2008 | CN100432979C Method for unifying user's registration information trans network |
11/12/2008 | CN100432922C Method and apparatus to perform squaring operation in finite field |
11/11/2008 | US7451492 Portable information terminal, and electronic information authenticating system and method using same terminal |
11/11/2008 | US7450720 Linear transformation for symmetric-key ciphers |
11/11/2008 | US7450596 Scheme for realizing communications through external network from contents processing device connected to local network in home environment |
11/06/2008 | WO2008133590A1 Method for establishing a random number for security and encryption, and a communications apparatus |
11/06/2008 | WO2008132877A1 Receiver and receiving method |
11/06/2008 | WO2008132870A1 Encryption and decryption method and system, and program |
11/06/2008 | WO2008132869A1 Group encryption and decryption system and method, and program |
11/05/2008 | EP1988661A1 Communication adapter layer system, method and device for obtaining network element information |
11/05/2008 | CN101300775A Secure processing device, secure processing method, encrypted confidential information embedding method, program, storage medium, and integrated circuit |
11/05/2008 | CN100431293C Linear transformation for symmetric-key ciphers |
11/05/2008 | CN100431292C Encrypting, decoding, and wireless communication device |
11/05/2008 | CN100430923C Safety digital data form and code forced implement policy |
11/04/2008 | US7448087 System for preventing unauthorized use of recording media |
11/04/2008 | US7448086 Recording apparatus and method, reproducing apparatus and method, and memory medium |
11/04/2008 | US7448072 Techniques for performing UMTS (Universal Mobile Telecommunications System) authentication using SIP (Session Initiation Protocol) messages |
11/04/2008 | US7447913 Portable data carrier provided with access protection by dividing up codes |
11/04/2008 | US7447908 Method of authenticating a print medium offline |
11/04/2008 | US7447880 Processor with internal memory configuration |
11/04/2008 | US7447329 Apparatus and method for producing a document verifiable for its forgery or alteration, and apparatus and method for authenticating the document |
11/04/2008 | US7447311 Method of designing optimum encryption function and optimized encryption apparatus in a mobile communication system |
11/04/2008 | US7446822 High-resolution image projection |
10/30/2008 | WO2008129828A1 Authentication system, server used in authentication system, mobile communication terminal, and program |
10/30/2008 | WO2008129546A2 Voice encryption device |
10/30/2008 | US20080270788 Extension of x.509 certificates to simultaneously support multiple cryptographic algorithms |
10/30/2008 | US20080270501 Seed generating circuit, random number generating circuit, semiconductor integrated circuit, IC card, and information terminal equipment |
10/30/2008 | US20080267405 System for ensuring encrypted communication after handover |
10/30/2008 | DE10303074B4 Authentisierungssystem, Authentisierungsvorrichtung, Authentisierungszielvorrichtung, Authentisierungsverfahren, Verfahren zum Authentisiert-Werden, Programm und Informationsaufzeichnungsmedium Authentication system authentication apparatus, authentication target device, authentication method, method of AUTHENTICATED-Will, program, and information recording medium |
10/29/2008 | EP1984848A1 Method and apparatus for importing content having plurality of parts |
10/29/2008 | EP0861461B1 Systems and methods for secure transaction management and electronic rights protection |
10/28/2008 | US7444522 Dynamic negotiation of security arrangements between web services |
10/28/2008 | US7444023 Method for coding and decoding digital data stored or transmitted according to the pixels method for transmitting prioritised pixels |
10/28/2008 | US7443884 Electronic data transmission and reception system |
10/23/2008 | WO2008126913A1 Transmitting and receiving system |
10/23/2008 | WO2008126507A1 User authentication control device, user authentication device, data processing device, and user authentication control method and the like |