| 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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| 02/12/2003 | CN1397035A Modular exponential algorithm in electronic component using public key encryption algorithm |
| 02/12/2003 | CN1397034A Random number generator |
| 02/12/2003 | CN1396568A Digital works protection system, recording medium device, transmission device and playback device |
| 02/12/2003 | CN1396152A Method for preparing (cycle) fatty isocyanate |
| 02/06/2003 | WO2003010929A1 Method and system for transmitting data from a first data network into a second data network |
| 02/06/2003 | WO2003010916A2 Method and apparatus for encrypting content |
| 02/06/2003 | WO2002098052A3 Apparatus and method for performing kasumi ciphering |
| 02/06/2003 | WO2002073394A2 Method and device for modular multiplication |
| 02/06/2003 | WO2002062011A3 Method and apparatus for masking secret multiplicands |
| 02/06/2003 | WO2002043309A3 Cryptographic data security system and method |
| 02/06/2003 | WO2002041651A3 Methods and apparatus for identifying asset location in mobile co mmunication networks |
| 02/06/2003 | WO2001086911A3 Protocol for secure communications |
| 02/06/2003 | US20030028780 Software controlled device |
| 02/06/2003 | US20030028493 Personal information management system, personal information management method, and information processing server |
| 02/06/2003 | US20030028486 Information managing method, information managing system, and processing apparatus |
| 02/06/2003 | US20030028026 Nitrate salts of Salbutamol, Cetirizine, Loratadine, Terfenadine, Emedastine, Ketotifen, Nedocromil, Ambroxol, Dextromethorphan, Dextorphan, Isoniazide, Erythromycin, and Pyrazinamide; respiratory system pathology treatment |
| 02/06/2003 | US20030026451 Method and system for encoding image and audio content |
| 02/06/2003 | US20030026419 Elliptic curve encryption processing method, elliptic curve encryption processing apparatus, and program |
| 02/06/2003 | CA2454274A1 Method and arrangement for transmission of data from a first data network to a second data network |
| 02/06/2003 | CA2418269A1 Method of and apparatus for modular multiplication |
| 02/05/2003 | EP1282315A2 Smartcard for use with a receiver of encrypted broadcast signals, and receiver |
| 02/05/2003 | EP1282065A1 Information managing method and system and processing apparatus |
| 02/05/2003 | EP1281118A1 Method and apparatus for performing computations using residue arithmetic |
| 02/05/2003 | CN1395776A Method for issuing an electronic identity |
| 02/05/2003 | CN1395733A Distribution of content |
| 02/05/2003 | CN1395716A Payment device and method for secure payment |
| 02/05/2003 | CN1395191A Data verification method, data verification device and processing program products thereof |
| 02/04/2003 | US6516413 Apparatus and method for user authentication |
| 02/04/2003 | US6516411 Method and apparatus for effecting secure document format conversion |
| 02/04/2003 | US6516316 Centralized certificate management system for two-way interactive communication devices in data networks |
| 02/04/2003 | CA2295167C Cryptographic device |
| 01/30/2003 | WO2003009522A1 Method of carrying out a cryptographic task using a public key |
| 01/30/2003 | WO2002060110A3 Apparatus, method, and system for accessing digital rights management information |
| 01/30/2003 | WO2002041545A3 Wireless clock synchronization |
| 01/30/2003 | US20030023847 Data processing system, recording device, data processing method and program providing medium |
| 01/30/2003 | US20030023561 System for controlling the distribution and use of digital works |
| 01/30/2003 | US20030021440 Digital watermarking employing noise model |
| 01/30/2003 | US20030021422 Method for creating a virtual private network through a public network |
| 01/30/2003 | US20030021421 Method of producing a decrypting apparatus having a cryptographic device and cryptographic information, a system for providing such device and information, and the decrypting apparatus produced by the production method |
| 01/30/2003 | US20030021411 Method and apparatus for random bit-string generation utilizing environment sensors |
| 01/30/2003 | US20030020621 Method and apparatus for establishing secure sessions |
| 01/29/2003 | EP1280312A2 Methods, systems and computer program products for checking the validity of data |
| 01/29/2003 | EP1279250A2 Generation of keyed integer permutations for message authentication codes |
| 01/29/2003 | EP1279094A1 Modulo calculation method and device |
| 01/29/2003 | EP1066558B1 Accelerated finite field operations on an elliptic curve |
| 01/29/2003 | CN1394414A Communication system, communication control apparatus and method |
| 01/29/2003 | CN1394409A Enciphering device and method, deciphering device and method, and storage medium |
| 01/29/2003 | CN1394408A Content distribution system and content distribution method |
| 01/29/2003 | CN1394337A Recording device and method, reproducing device and method, and storage medium |
| 01/29/2003 | CN1393836A Method for writing intaglio-printed Japanese characters and normalized Arabic numerals |
| 01/28/2003 | US6512840 Digital encoding of personal signatures |
| 01/23/2003 | WO2003007632A2 Software modem with privileged mode driver authentication |
| 01/23/2003 | WO2003007539A1 Public key cryptosystem using finite non abelian groups |
| 01/23/2003 | WO2002076060A3 Address mechanisms in internet protocol |
| 01/23/2003 | WO2002054663A3 Local authentication in a communication system |
| 01/23/2003 | WO2001084283A3 Network enabled application software system and method |
| 01/23/2003 | US20030018896 Method, systems and computer program products for checking the validity of data |
| 01/23/2003 | US20030018568 Secure network system for mutual aid loan association and data processing method of the same |
| 01/23/2003 | US20030016827 Information recording/reproducing apparatus and method |
| 01/23/2003 | CA2453234A1 Public key cryptosystem using finite non abelian groups |
| 01/22/2003 | EP1278339A1 Method and apparatus for communicating data from a first to a second data network |
| 01/22/2003 | EP1277307A1 Cryptography method on elliptic curves |
| 01/22/2003 | EP1277300A1 System and method for controlling and enforcing access rights to encrypted media |
| 01/22/2003 | EP1277099A2 Security link management in dynamic networks |
| 01/22/2003 | EP1180315B1 Integrity protection method for radio network signaling |
| 01/22/2003 | CN1392699A Data transmission system and device, recorder, edition control and processing method |
| 01/22/2003 | CN1392521A Anti-fake method by using liquid crystal material |
| 01/21/2003 | US6510514 Device for reliability creating electronic signatures |
| 01/21/2003 | CA2236046C Foreign exchange transaction system |
| 01/16/2003 | WO2003005637A1 Data reproduction apparatus capable of safely controlling reproduction time of encrypted content data and data reproduction circuit and data recording apparatus used for the same |
| 01/16/2003 | WO2001031877A3 Mobile phone incorporating security firmware |
| 01/16/2003 | US20030014652 Licensing method and license providing system |
| 01/16/2003 | US20030014363 Electronic vouchers and a system and method for issuing the same |
| 01/16/2003 | US20030013909 Process for preparing (cyclo)aliphatic isocyanates |
| 01/16/2003 | US20030012385 Data copyright management system |
| 01/16/2003 | US20030012375 Recording device and method, reproducing device and method, and storage medium |
| 01/16/2003 | US20030012373 Semiconductor manufacturing system and information management method |
| 01/15/2003 | EP1276272A1 Encryption method, program for encryption, memory medium for storing the program, and encryption apparatus, as well as decryption method and decryption apparatus |
| 01/15/2003 | EP1276271A1 Memory access control system and management method using access control ticket |
| 01/15/2003 | EP1276106A1 Digital work protection system, recording medium apparatus, transmission apparatus, and playback apparatus |
| 01/15/2003 | EP1276066A2 Licensing method and license providing system |
| 01/15/2003 | EP1276036A2 System for controlling the distribution and use of digital works using digital tickets |
| 01/15/2003 | EP1276035A2 System for controlling the distribution and use of digital works using digital tickets |
| 01/15/2003 | EP1275639A1 Process for the preparation of (cyclo)aliphatic isocyanates |
| 01/15/2003 | EP1275112A1 Method and apparatus for secure transmission of data |
| 01/15/2003 | EP1159660B1 Computing apparatus and methods using secure authentication arrangement |
| 01/15/2003 | CN1391198A Handwriting digital signature system and method |
| 01/10/2003 | CA2392632A1 Licensing method and license providing system |
| 01/09/2003 | WO2003003638A1 Method and apparatus for data encryption |
| 01/09/2003 | WO2003003285A1 Method and system for watermarking an electrically depicted image |
| 01/09/2003 | WO2002086826A8 Financial information input method using symmetrical key security algorithm and commercial transaction system for mobile communications |
| 01/09/2003 | WO2002061570A3 Random number generator and method for generating a random number |
| 01/09/2003 | WO2001071460A3 Web site authentication using a digital hallmark |
| 01/09/2003 | US20030009681 Digital work protection system, recording medium apparatus, transmission apparatus, and playback apparatus |
| 01/09/2003 | US20030009677 Software modem with privileged mode driver authentication |
| 01/09/2003 | US20030009666 Methods and apparatus for efficient computation of one-way chains in cryptographic applications |
| 01/09/2003 | US20030007635 Encryption method, program for encryption, memory medium for storing the program, and encryption apparatus, as well as decryption method and decryption apparatus |
| 01/09/2003 | US20030006849 Random number generator |
| 01/08/2003 | EP1274195A1 Confidential data communication method |
| 01/08/2003 | EP1273127A1 Device and method for generating electronic keys from mutual prime numbers |