| 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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| 08/15/2002 | WO2002011469A3 Techniques for performing umts-authentication using sip (session initiation protocol) messages |
| 08/15/2002 | WO2001025880A3 Method for producing and checking forge-proof documents |
| 08/15/2002 | US20020112171 Systems and methods for secure transaction management and electronic rights protection |
| 08/15/2002 | US20020112163 Ensuring legitimacy of digital media |
| 08/15/2002 | US20020110239 Technique for producing a parameter, such as a checksum, through a primitive that uses elementary register operations |
| 08/15/2002 | CA2437359A1 A service gateway for interactive television |
| 08/14/2002 | EP1230777A2 Method and apparatus for providing redundant and resilient cryptographic services |
| 08/14/2002 | EP1230589A2 A method and system for performing permutations using permutation instructions based on modified omega and flip stages |
| 08/14/2002 | EP0986910B1 Conditional access system for set-top boxes |
| 08/14/2002 | EP0976114B1 Secure multiple application card system and process |
| 08/14/2002 | DE10141460A1 Potenzrestberechnungseinheit unter Verwendung eines Montgomery-Algorithmus Power residue computation unit using a Montgomery algorithm |
| 08/14/2002 | CN1364284A Block encryption device and method of using auxiliary conversion, and record media therefor |
| 08/14/2002 | CN1363914A Intelligent authentication method |
| 08/14/2002 | CN1363906A 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 |
| 08/14/2002 | CN1089205C High-speed data disordering method |
| 08/13/2002 | US6434699 Encryption processor with shared memory interconnect |
| 08/13/2002 | US6434585 Computationally efficient modular multiplication method and apparatus |
| 08/13/2002 | US6434238 Multi-purpose transaction card system |
| 08/08/2002 | WO2002062011A2 Method and apparatus for masking secret multiplicands |
| 08/08/2002 | WO2002061570A2 Random number generator and method for generating a random number |
| 08/08/2002 | WO2001082037A3 Security link management in dynamic networks |
| 08/08/2002 | US20020108121 Service gateway for interactive television |
| 08/08/2002 | US20020108055 Data processing system, data processing method, and program providing medium |
| 08/08/2002 | US20020108044 Digital signature generating method and digital signature verifying method |
| 08/08/2002 | US20020108042 Public key certificate issuing system, Public key certificate issuing method, digital certification apparatus, and program storage medium |
| 08/08/2002 | US20020108041 Public key certificate issuing system, public key certificate issuing method, information processing apparatus, information recording medium, and program storage medium |
| 08/08/2002 | US20020108036 Data processing system, data processing method, data processing apparatus, license system, and program providing medium |
| 08/08/2002 | US20020108030 Method and system for performing permutations using permutation instructions based on modified omega and flip stages |
| 08/08/2002 | US20020107897 Generating random data |
| 08/08/2002 | US20020107804 System and method for managing trust between clients and servers |
| 08/08/2002 | US20020107001 Orthogonal gas laser device |
| 08/08/2002 | US20020106084 Encryption method and apparatus |
| 08/08/2002 | DE10103071A1 Zufallszahlengenerator und Verfahren zum Erzeugen einer Zufallszahl Random number generator and method for generating a random number |
| 08/07/2002 | EP1229426A2 Authentication of displayed data |
| 08/07/2002 | EP1228597A2 Method and apparatus for efficient irregular synchronization of a stream cipher |
| 08/07/2002 | CN2504703Y Cipher anti-theft manhole cover |
| 08/07/2002 | CN1363077A Data processing apparatus and data processing method |
| 08/07/2002 | CN1088872C Method and apparatus for authenticating a data carrier intended to enable a transactino or access |
| 08/06/2002 | US6430690 Secure one-way authentication communication system |
| 08/06/2002 | US6430302 Steganographically encoding a first image in accordance with a second image |
| 08/06/2002 | CA2252649C A system and method for secure network electronic payment and credit collection |
| 08/01/2002 | WO2002060112A2 Apparatus, method and system for multiple resolution affecting information access |
| 08/01/2002 | WO2002060110A2 Apparatus, method, and system for accessing digital rights management information |
| 08/01/2002 | WO2002059894A1 Recording medium, information processing device, content distribution server, method, program, and its recording medium |
| 08/01/2002 | WO2002059797A1 Apparatus, method and system for directory quality assurance |
| 08/01/2002 | WO2002059739A1 Apparatus method and system for registration effecting information access |
| 08/01/2002 | WO2002059724A2 Apparatus, method and system for tracking information access |
| 08/01/2002 | WO2002058453A2 Apparatus, method and system for effecting information access in a peer environment |
| 08/01/2002 | WO2001092994A3 Method for biometric encryption of e-mail |
| 08/01/2002 | WO2001082038A3 Security link management in dynamic networks |
| 08/01/2002 | WO2000045546A8 Multiple level public key hierarchy for performance and high security |
| 08/01/2002 | US20020103843 Computationally efficient modular multiplication method and apparatus |
| 08/01/2002 | US20020103645 Authenticity output method and its apparatus, and processing program |
| 08/01/2002 | US20020101997 Multimedia coordination system |
| 08/01/2002 | US20020101986 Linear transformation for symmetric-key ciphers |
| 08/01/2002 | US20020101984 Power-residue calculating unit using Montgomery algorithm |
| 07/31/2002 | EP1227613A2 Method and apparatus for attaching electronic signature to document having structure |
| 07/30/2002 | US6427140 Systems and methods for secure transaction management and electronic rights protection |
| 07/25/2002 | WO2002058357A2 Pre-authentication of users using one-time passwords |
| 07/25/2002 | WO2002058037A1 Cipher circuit |
| 07/25/2002 | WO2002058036A1 Encryption circuit |
| 07/25/2002 | WO2002013452A3 Linear transformation for symmetric-key ciphers |
| 07/25/2002 | US20020099936 Secure session management and authentication for web sites |
| 07/25/2002 | US20020099826 Spontaneous virtual private network between portable device and enterprise network |
| 07/25/2002 | US20020099749 Modular arithmetic apparatus and method selecting a base in the residue number system |
| 07/25/2002 | US20020099733 Method and apparatus for attaching electronic signature to document having structure |
| 07/25/2002 | US20020099663 Content delivery system and content delivery method |
| 07/25/2002 | US20020098852 Methods and apparatus for identifying as set location in communication networks |
| 07/25/2002 | US20020097868 Pseudorandom number generating apparatus or encryption or decryption apparatus using the same |
| 07/25/2002 | US20020097867 Communication system |
| 07/25/2002 | US20020097182 Methods and apparatus for identifying asset location in communication networks |
| 07/25/2002 | CA2435329A1 Pre-authentication of users using one-time passwords |
| 07/24/2002 | EP1225507A2 Pseudorandom number generating apparatus or encryption or decryption apparatus using the same |
| 07/24/2002 | EP1224827A1 Authentication of subscriber station |
| 07/24/2002 | EP1224767A2 Method, article and apparatus for registering registrants, such as voter registrants |
| 07/24/2002 | EP1224534A2 Method for multiplying divisor classes with a scalar |
| 07/24/2002 | EP1224533A2 A cryptographic accelerator |
| 07/24/2002 | CN1360772A Method and device for guaranteeing integrity and authenticity of set of data |
| 07/23/2002 | US6425011 Access administration method and device therefor to provide access administration services on a computer network |
| 07/23/2002 | US6424845 Portable communication device |
| 07/23/2002 | US6424718 Data communications system using public key cryptography in a web environment |
| 07/23/2002 | US6424712 Accelerated signature verification on an elliptic curve |
| 07/18/2002 | WO2002056535A1 Apparatus and method for recording/reproducing information |
| 07/18/2002 | WO2002056161A2 System of databases of personal data and a method of governing access to databases of personal data |
| 07/18/2002 | WO2002056156A2 Computer system protection |
| 07/18/2002 | WO2002056155A2 Security system for preventing a personal computer from being used by unauthorized people |
| 07/18/2002 | US20020095589 Secure file transfer method and system |
| 07/18/2002 | US20020094090 Information recording medium, information processing apparatus and method, program recording medium, and information processing system |
| 07/18/2002 | US20020094083 Encryption scheme for limiting the maximum number of accesses to a digital file of predetermined content |
| 07/18/2002 | CA2431484A1 System of databases of personal data and a method of governing access to databases of personal data |
| 07/17/2002 | EP1223706A2 Encryption apparatus, decryption apparatus, authentication information assignment apparatus, and authentication apparatus, and encryption method, decryption method, authentication information assignment method, and authentication method |
| 07/17/2002 | EP1223496A2 Encryption scheme for limiting the maximum number of accesses to a digital file of predetermined content |
| 07/17/2002 | EP1222770A2 Random number generation for encrypting cellular communications |
| 07/17/2002 | EP1222527A1 Method for generating pseudo random numbers and method for electronic signatures |
| 07/16/2002 | US6421779 Electronic data storage apparatus, system and method |
| 07/11/2002 | WO2002054666A1 Content data transmitting device and method, and recording/reproducing device |
| 07/11/2002 | WO2002054663A2 Local authentication in a communication system |
| 07/11/2002 | WO2001044900A3 Branch-else-return instruction |
| 07/11/2002 | US20020091933 Local Authentication in a communication system |
| 07/11/2002 | US20020091931 Local authentication in a communication system |