| 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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| 04/12/2006 | EP1646175A1 Network device and system for authentication and method thereof |
| 04/12/2006 | EP1646173A1 Radio communication system, radio communication device, radio communication method, and computer program |
| 04/12/2006 | EP1646022A1 Encryption/decryption device and method |
| 04/12/2006 | EP1645984A1 Information processing apparatus, information processing method, and program |
| 04/12/2006 | EP0985203B1 Key transformation unit for an ic card |
| 04/12/2006 | CN1759403A 信息管理系统 Information Management System |
| 04/12/2006 | CN1758746A Automatic clear, adding recording and searching acquiring method for digital TV EPG information |
| 04/12/2006 | CN1758625A Method for classification processing message |
| 04/12/2006 | CN1758589A Information processing apparatus, information processing method, and program |
| 04/12/2006 | CN1251439C Sub sign device and device and method for supplying local authentication in communication system |
| 04/11/2006 | US7028337 Method of virtual private network communication in security gateway apparatus and security gateway apparatus using the same |
| 04/11/2006 | US7028185 Managing database for identifying to recipients security features of devices generating digital signatures |
| 04/06/2006 | WO2006035732A1 Encryption computing method, encryption device, and computer program |
| 04/06/2006 | US20060075021 Information exchange apparatus and information exchanging method |
| 04/06/2006 | DE10361795B4 Vorrichtung zur Speicherung von Geheimcodes Means for storing secret codes |
| 04/06/2006 | DE102005016938A1 Elektronische Dokumentenspeichervorrichtung, Programm und elektronische Dokumentenreferenzvorrichtung Electronic document storage device, program, and electronic documents reference device |
| 04/06/2006 | CA2826134A1 Method and apparatus for encryption of over-the-air communications in a wireless communication system |
| 04/05/2006 | EP1643340A2 Secure transaction management |
| 04/05/2006 | EP1643338A1 A method and system for managing a data object so as to comply with predetermined conditions for usage |
| 04/05/2006 | EP1642206A2 Reprogrammable security for controlling piracy and enabling interactive content |
| 04/05/2006 | EP1198921B1 Method for countermeasure in an electronic component using a secret key algorithm |
| 04/05/2006 | CN1757233A Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 04/05/2006 | CN1756345A Broadcast and reception, and conditional access system therefor |
| 04/05/2006 | CN1755611A Random data generator and scrambler using said generator |
| 04/04/2006 | US7024688 Techniques for performing UMTS (universal mobile telecommunications system) authentication using SIP (session initiation protocol) messages |
| 04/04/2006 | US7024560 Power-residue calculating unit using Montgomery algorithm |
| 04/04/2006 | US7024392 Method for controlling use of database content |
| 04/04/2006 | US7023990 Secure parameter generating device and parameter generating method in algebraic curve crytography |
| 04/04/2006 | US7023936 Method and apparatus for decoding lattice codes and multilevel coset codes |
| 04/04/2006 | US7023862 Scheme for realizing communications through external network from contents processing device connected to local network in home environment |
| 03/30/2006 | WO2006011679A3 Quantum cash system and quantum cash apparatus |
| 03/30/2006 | US20060068759 Authentication system and authentication method |
| 03/30/2006 | US20060066902 Electronic document storage apparatus, program and electronic document reference apparatus |
| 03/29/2006 | EP1641212A2 Authentication of data transmitted in a digital transmission system |
| 03/29/2006 | EP1640984A2 Storage media electronic rights management |
| 03/29/2006 | EP1438804B1 Public key cryptographic method based on braid groups |
| 03/29/2006 | CN1248155C Equipment of data processing and method operating said equipment |
| 03/29/2006 | CN1248142C 数据处理方法 A data processing method |
| 03/29/2006 | CN1248106C Semiconductor integrated circuit device |
| 03/29/2006 | CN1248102C Circuit and method of module multiplication |
| 03/28/2006 | US7020778 Method for issuing an electronic identity |
| 03/28/2006 | US7020455 Security reconfiguration in a universal mobile telecommunications system |
| 03/28/2006 | US7020281 Timing attack resistant cryptographic system |
| 03/22/2006 | EP1638096A1 Information recording medium, information processing device and method |
| 03/22/2006 | EP1638005A1 Information server, information device, information processing system, information processing method, and information processing program |
| 03/22/2006 | EP1468521B1 A simple technique for implementing a cryptographic primitive using elementary register operations |
| 03/22/2006 | EP1459536B1 Data coding |
| 03/22/2006 | EP1051824B1 System for transmitting subscription information and content to a mobile device |
| 03/22/2006 | CN1750641A Authentification of data in a digital transmission system |
| 03/22/2006 | CN1247024C Method for controlling reproduction of data signal on medium, and transfering and receiving data signal method |
| 03/21/2006 | US7016497 Data decryption system |
| 03/16/2006 | WO2006028094A1 Communication apparatus |
| 03/16/2006 | US20060059507 Method for storing and transmitting data generated by security module |
| 03/16/2006 | US20060059357 Method and system for recovering the validity of cryptographically signed digital data |
| 03/16/2006 | US20060059349 Robust signature for signal authentication |
| 03/16/2006 | US20060056624 Transmitter device, transmitting method, receiver device, receiving method, communication system, and program storage medium |
| 03/16/2006 | US20060056619 Method for universal calculation applied to points of an elliptic curve |
| 03/15/2006 | EP1635344A2 Information reproducing apparatus and information reproducing method |
| 03/15/2006 | CN1748420A Method for storing and transmitting data generated by a security module |
| 03/15/2006 | CN1748207A Information processing device, information processing method, and computer program |
| 03/15/2006 | CN1747387A Information processing apparatus and information processing method |
| 03/15/2006 | CN1746941A Information processing apparatus and method, program, and recording medium |
| 03/15/2006 | CN1245836C Transmitting and processing protected content |
| 03/14/2006 | US7013392 File processing unit |
| 03/09/2006 | WO2006025416A1 Encryption device, encryption method, and computer program |
| 03/09/2006 | WO2006025415A1 Data processing method, information recording medium manufacturing management system, recording data generation device and method, and computer program |
| 03/09/2006 | WO2006025414A1 Information processing device, information recording medium, contents management system, data processing method, and computer program |
| 03/09/2006 | WO2006025308A1 Content purchase processing terminal ,method thereof, and program |
| 03/09/2006 | WO2006025241A1 Data transmission device, data reception device, server, data sharing system, data transmission program, data reception program, data sharing program, and computer-readable recording medium |
| 03/09/2006 | US20060053296 Method for authenticating a user to a service of a service provider |
| 03/09/2006 | US20060053081 Information reproducing apparatus and information reproducing method |
| 03/09/2006 | US20060050874 Block cipher apparatus using auxiliary transformation |
| 03/09/2006 | US20060050873 Block cipher apparatus using auxiliary transformation |
| 03/09/2006 | US20060050872 Block cipher apparatus using auxiliary transformation |
| 03/09/2006 | US20060050869 Method and apparatus for managing secure collaborative transactions |
| 03/09/2006 | US20060049624 Counterfeit cashless instrument detection methods and systems |
| 03/09/2006 | US20060049241 Device for automatic reading of a plurality of codes by means of a single key code |
| 03/08/2006 | EP1633127A2 An apparatus, method, system, and computer program for managing image processing |
| 03/08/2006 | EP1632917A2 Secure handling of stored-value data objects |
| 03/08/2006 | EP1632833A2 Computer system protection |
| 03/08/2006 | EP1632053A1 Encryption communication system |
| 03/08/2006 | EP1305907B1 Cryptography private key storage and recovery method and apparatus |
| 03/08/2006 | EP1169831B1 Presentation Device adapted to be connected to a local digital network for receiving data |
| 03/08/2006 | CN1745537A Key agreement system, shared-key generation apparatus, and shared-key recovery apparatus |
| 03/08/2006 | CN1744647A Apparatus, method, system, and computer program for managing image processing |
| 03/08/2006 | CN1744610A Operation support system interface and its inter connection method with network management system |
| 03/08/2006 | CN1744569A Unknown multicasting message processing method |
| 03/08/2006 | CN1245025C Method for controlling reproduction, usage and access of data signals on recording medium |
| 03/07/2006 | US7010604 Agile network protocol for secure communications with assured system availability |
| 03/07/2006 | US7010560 Modular arithmetic apparatus and method selecting a base in the residue number system |
| 03/02/2006 | US20060045271 Security system for apparatuses in a wireless network |
| 03/02/2006 | US20060045265 Block cipher apparatus using auxiliary transformation |
| 03/02/2006 | US20060045264 Prevention of side channel attacks against block cipher implementations and other cryptographic systems |
| 03/02/2006 | US20060044623 Apparatus, method, system, and computer program for managing image processing |
| 03/01/2006 | EP1629636A2 Time-triggered communication system and method for the synchronized start of a dual-channel network |
| 03/01/2006 | EP1474741B1 System and method for calculating a result from a division |
| 03/01/2006 | EP1381011B1 Data securing communication apparatus and method |
| 03/01/2006 | CN1742511A Unitary management authentication device |
| 03/01/2006 | CN1244235C Method of and apparatus for transmitting data for interactive TV applications |
| 03/01/2006 | CN1244078C 便携终端 Portable terminal |