| 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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| 01/05/2005 | CN1561607A Method for authenticating a user in a terminal, an authentication system, a terminal, and an authorization device |
| 01/05/2005 | CN1561031A Interconnected network web information issuing method |
| 01/05/2005 | CN1560823A Data encipher and decipher system based on dynamic variable-length code |
| 01/05/2005 | CN1183454C Content manage method and content manage device and recording medium |
| 01/04/2005 | US6839847 Information processing equipment and IC card |
| 01/04/2005 | US6839843 System for electronic repository of data enforcing access control on data retrieval |
| 01/04/2005 | US6839840 Authenticating method between a smart card and a terminal |
| 01/04/2005 | US6838578 Separately heating phosgene and a diamine or triamine of the formula R-(NH2)n, where R= a (cyclo)aliphatic hydrocarobn having upto 15 carbon atoms, and atleast 2 C-atoms between two nitrogen atoms, continuously reacting the reactants |
| 01/04/2005 | CA2314427C Information delivery in a multi-stream digital broadcasting system |
| 12/30/2004 | US20040267671 Data distribution system and method thereof, data processing device, data control device, and machine-readable recording medium recording distribution data |
| 12/30/2004 | US20040264734 Image verification apparatus and image verification method |
| 12/29/2004 | WO2004064011A3 Method of constructing hyperelliptic curves suitable for cryptographic purposes and cryptographic apparatus using such a method |
| 12/29/2004 | WO2003090402A8 Initializing, maintaining, updating and recovering secure operation within an integrated system employing a data access control function |
| 12/29/2004 | EP1492106A2 A method to authenticate a data processing apparatus having a recording device and apparatuses therefor |
| 12/29/2004 | EP1491033A1 Watermarking a digital object with a digital signature |
| 12/29/2004 | EP1490754A1 Monobit-run frequency on-line randomness test |
| 12/29/2004 | EP1490753A1 Gap average on-line randomness test |
| 12/29/2004 | EP1490752A1 Functional gap average on-line randomness test |
| 12/29/2004 | CN1559028A Method and apparatus for secure mobile transaction |
| 12/29/2004 | CN1558592A Method and device for effective key length control |
| 12/29/2004 | CN1558591A Apparatus and method for performing transparent block cipher cryptographic functions |
| 12/29/2004 | CN1182677C Cryptographic equipment with double feedforward hash function |
| 12/29/2004 | CN1182461C Device authentication unit and method for recording device authentication program |
| 12/29/2004 | CN1182460C Information processing device and IC card |
| 12/29/2004 | CN1182455C Encrypting method for handwriting device |
| 12/23/2004 | WO2004112310A1 Encryption communication system |
| 12/23/2004 | WO2003107602A8 Network security |
| 12/23/2004 | US20040260950 Cryptographic communication method, encryption algorithm shared control method, encryption algorithm conversion method and network communication system |
| 12/23/2004 | US20040258398 Method and system for generating a random number in disk drive |
| 12/23/2004 | US20040256470 IC card with a cipher key conversion function |
| 12/22/2004 | EP1489480A2 A method and system for managing a data object so as to comply with predetermined conditions for usage |
| 12/22/2004 | EP1488647A1 Method and system for re-authentication in ip multimedia core network system (ims) |
| 12/22/2004 | EP1488595A1 Certificate information storage system and method |
| 12/22/2004 | EP0988754B1 Global conditional access system for broadcast services |
| 12/22/2004 | CN1557089A Process, arrangement, devices for seizure of a shared telephone line |
| 12/22/2004 | CN1556612A Network medium content safety macromonitoring method |
| 12/22/2004 | CN1556514A Cipher mechanical solidifying method used for important system safety guaranted |
| 12/22/2004 | CN1181678C Method and apparatus for providing secure communication of digital data between devices |
| 12/22/2004 | CN1181488C Usage dependent ticket to protect copy-protected material |
| 12/22/2004 | CN1181448C Method and system for identifying object and object data |
| 12/16/2004 | US20040255123 Data embedding method and viewing confirmation method |
| 12/16/2004 | US20040255114 Method of authenticating content provider and assuring content integrity |
| 12/16/2004 | US20040255112 Network device and system for authentication and method thereof |
| 12/16/2004 | US20040252836 Message-authenticated encryption apparatus or decryption apparatus for common-key cipher |
| 12/16/2004 | US20040252831 Key expander, key expansion method, and key expansion program |
| 12/16/2004 | US20040252829 Montgomery modular multiplier and method thereof using carry save addition |
| 12/16/2004 | US20040252186 Method, program, storage medium, server and image filter for displaying a three-dimensional image |
| 12/15/2004 | EP1487176A1 A method of paying from an account by a customer having a mobile user terminal, and a customer authenticating network |
| 12/15/2004 | EP1485783A2 Method and apparatus for secure mobile transaction |
| 12/15/2004 | EP1119817A4 Cloning protection scheme for a digital information playback device |
| 12/15/2004 | CN1555004A Display card for increasing video play smooth degree |
| 12/15/2004 | CN1180568C Method for protecting secrete data in data storage medium |
| 12/09/2004 | WO2004107339A1 Information recording medium, information processing device and method |
| 12/09/2004 | US20040250093 Illegal data use prevention system |
| 12/09/2004 | US20040250071 Electronic data storage system and method thereof |
| 12/09/2004 | US20040250064 Information providing system, information providing apparatus and method, and information processing apparatus and method |
| 12/09/2004 | US20040249815 License management system and method for playing contents on home network |
| 12/09/2004 | US20040248554 Method of paying from an account by a customer having a mobile user terminal, and a customer authenticating network |
| 12/08/2004 | EP1407344A4 Electronic vouchers and a system and method for issuing the same |
| 12/07/2004 | US6829711 Personal website for electronic commerce on a smart java card with multiple security check points |
| 12/07/2004 | US6829707 Method and system for downloading encrypted font scripts to a print server |
| 12/07/2004 | US6828342 Nitrate salts of Salbutamol, Cetirizine, Loratadine, Terfenadine, Emedastine, Ketotifen, Nedocromil, Ambroxol, Dextromethorphan, Dextorphan, Isoniazide, Erythromycin, and Pyrazinamide; respiratory system pathology treatment |
| 12/02/2004 | WO2004105326A2 Time-triggered communication system and method for the synchronized start of a dual-channel network |
| 12/02/2004 | US20040243838 Distributed authentication in a protocol-based sphere of trust in which a given external connection outside the sphere of trust may carry communications from multiple sources |
| 12/02/2004 | US20040243834 System for controlling the distribution and use of digital works utilizing digital tickets |
| 12/02/2004 | US20040243819 Using a flexible rights template to obtain a signed rights label (SRL) for digital content in a rights management system |
| 12/02/2004 | US20040243808 Information processing device, method, and program |
| 12/02/2004 | US20040243801 Trusted device |
| 12/02/2004 | US20040243621 Creation method of table, creation apparatus, creation program and program storage medium |
| 12/02/2004 | US20040243496 Financial information input method using symmetrical key security algorithm and commercial transaction system for mobile communications |
| 12/02/2004 | US20040240672 Public key cryptographic method based on braid groups |
| 12/01/2004 | EP1482704A2 Distributed authentication in a protocol-based sphere of trust in which a given external connection outside the sphere of trust may carry communications from multiple sources |
| 12/01/2004 | EP1481535A1 System and method for acoustic two factor authentication |
| 12/01/2004 | EP1481509A1 Code generator and device for synchronous or asynchronous and permanent identification or encoding and decoding of data of any particular length |
| 12/01/2004 | EP1125395B1 Method and array for authenticating a first instance and a second instance |
| 12/01/2004 | EP1105994A4 Time-stamping with binary linking schemes |
| 12/01/2004 | EP0927473B1 Methods and apparatus for enhanced cmea including a cmea iteration preceded and followed by transformations and employing an involutary lookup |
| 12/01/2004 | CN1552138A Method and apparatus for constructing digital certificates |
| 12/01/2004 | CN1551562A Method for identifying content provider and ensuring content integrity |
| 12/01/2004 | CN1551559A Method and device for organising public key based on user_defined identification code cryptographic system |
| 12/01/2004 | CN1551045A An IC card with cipher key conversion function |
| 12/01/2004 | CN1550975A Montgomery modular multiplier and method thereof |
| 12/01/2004 | CN1178504C Method of downloading of data to MPEG receiver/decoder and MPEG transmission system for implementing the same |
| 12/01/2004 | CN1178456C Method and apparatus for imprinting ID information into a digital content and for reading out the same |
| 11/30/2004 | US6826315 Digital imaging device with image authentication capability |
| 11/30/2004 | US6826281 Storage-encryption-retrieval device and method with resulting business processes |
| 11/30/2004 | CA2216607C Asymmetrical cryptographic communication method and portable object therefor |
| 11/30/2004 | CA2150825C Methods and apparatus for uniquely end encrypting data |
| 11/25/2004 | WO2004038531A3 Watermark insertion apparatus and watermark extraction apparatus |
| 11/25/2004 | US20040236964 Method for authenticating a user in a terminal, an authentication system, a terminal, and an authorization device |
| 11/25/2004 | US20040236957 Method for managing purchase of broadcast digital contents and means for downloading same |
| 11/25/2004 | US20040236942 System and method for authenticating content user |
| 11/25/2004 | US20040236940 Contents supplying system, method and program |
| 11/25/2004 | US20040233923 Method and system for transmitting data from a first data network into a second data network |
| 11/25/2004 | US20040233749 Data processing apparatus and logical operation apparatus |
| 11/24/2004 | EP1480411A2 An IC card with cipher key conversion function |
| 11/24/2004 | EP1480373A1 User authentication in content distribution system |
| 11/24/2004 | EP1480119A1 Montgomery modular multiplier and method thereof |
| 11/24/2004 | EP1480103A2 System for protecting digital content against unauthorised use |
| 11/24/2004 | EP1479243A2 Flexible storage of media information |