| 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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| 02/09/2005 | CN1577205A Systems and methods for secure transaction management and electronic rights protection |
| 02/09/2005 | CN1188803C Ticket security ciphering and identifying method based on identified fibre random distribution |
| 02/08/2005 | CA2373432C Block cipher apparatus using auxiliary transformation |
| 02/03/2005 | WO2005011191A1 Digital authentication over acoustic channel |
| 02/03/2005 | WO2004038531B1 Watermark insertion apparatus and watermark extraction apparatus |
| 02/03/2005 | US20050027984 Information communication device, information communication system, and computer program product for transmission control |
| 02/03/2005 | US20050027680 Secure multi database system |
| 02/03/2005 | CA2533316A1 Digital authentication over acoustic channel |
| 02/02/2005 | CN1575564A Information providing system, information providing apparatus and method, and information processing apparatus and method |
| 02/02/2005 | CN1574757A License management system and method for playing contents on home network |
| 02/02/2005 | CN1574756A System and method for authenticating content user |
| 02/02/2005 | CN1574736A Data transceiver and data transceiver system |
| 02/02/2005 | CN1574730A Method and system for authentication code and/or data |
| 02/02/2005 | CN1574728A 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 |
| 02/02/2005 | CN1574015A Broadcasting information right protective apparatus and method |
| 02/02/2005 | CN1574013A Illegal data use prevention system |
| 02/02/2005 | CN1573682A Method and apparatus to perform squaring operation in finite field |
| 02/01/2005 | US6851054 Account-Based digital signature (ABDS) system for authenticating entity access to controlled resource |
| 02/01/2005 | US6851050 Providing secure network access for short-range wireless computing devices |
| 02/01/2005 | US6850916 Portable electronic charge and authorization devices and methods therefor |
| 02/01/2005 | US6850914 Revocation information updating method, revocation informaton updating apparatus and storage medium |
| 02/01/2005 | CA2337012C Method of establishing the trustworthiness level of a participant in a communication connection |
| 01/31/2005 | CA2473062A1 Method and apparatus for managing and displaying contact authentication in a peer-to-peer collaboration system |
| 01/27/2005 | WO2005008955A1 Tamper-resistant encryption using individual key |
| 01/27/2005 | WO2005008502A1 Access method |
| 01/27/2005 | WO2005008385A2 Reprogrammable security for controlling piracy and enabling interactive content |
| 01/27/2005 | US20050022102 Signature schemes using bilinear mappings |
| 01/27/2005 | US20050021958 Method to authenticate a data processing apparatus having a recording device and apparatuses therefor |
| 01/27/2005 | US20050021944 Security architecture for system on chip |
| 01/27/2005 | US20050021584 Method and apparatus to perform squaring operation in finite field |
| 01/27/2005 | US20050018844 Methods and apparatuses for encrypting video and for decrypting video |
| 01/27/2005 | US20050018840 Incorporating shared randomness into distributed cryptography |
| 01/27/2005 | DE10297517T5 Automatisiertes digitales Rechte-Management und Zahlungssystem mit eingebettetem Inhalt Automated digital rights management and payment system with inline content |
| 01/26/2005 | EP1501255A2 Electronic device and method for updating authentication reference information |
| 01/26/2005 | EP1501254A2 Apparatus and method for receiving stream data |
| 01/26/2005 | EP1501002A2 User authentication method and program, and image forming apparatus |
| 01/26/2005 | EP1500225A1 Initializing, maintaining, updating and recovering secure operation within an integrated system employing a data access control function |
| 01/26/2005 | EP1500103A2 Apparatus and method for rendering user data |
| 01/26/2005 | EP1499967A2 Secure transmission and installation of an application |
| 01/26/2005 | EP1499952A1 Hadamard-transform on-line randomness test |
| 01/26/2005 | EP1499940A2 Efficient browser-based identity management providing personal control and anonymity |
| 01/26/2005 | CN1571953A Galois field linear transformer |
| 01/26/2005 | CN1571947A Virus detection system |
| 01/26/2005 | CN1570848A Montgomery modular multiplier and method thereof using carry save addition |
| 01/26/2005 | CN1186901C Cipher processor, IC card and cipher processing method |
| 01/26/2005 | CN1186731C Method and apparatus for protecting copyright data in computer system |
| 01/25/2005 | US6847719 Limiting receiver access to secure read-only communications over a network by preventing access to source-formatted plaintext |
| 01/25/2005 | CA2391564C Method and apparatus for secure digital chaotic communication |
| 01/25/2005 | CA2261629C System for secure data storage on cd-rom |
| 01/20/2005 | WO2005006639A1 Radio communication system, radio communication device, radio communication method, and computer program |
| 01/20/2005 | WO2004105326A3 Time-triggered communication system and method for the synchronized start of a dual-channel network |
| 01/20/2005 | US20050015590 Image processing apparatus, transmission/received data processing method, transmission/received data processing program and recording medium |
| 01/20/2005 | US20050012756 Texturing system |
| 01/20/2005 | US20050011942 Information transmitting apparatus and method, information receiving apparatus and method, and information providing system |
| 01/19/2005 | EP1499107A2 Image processing apparatus |
| 01/19/2005 | EP1498865A1 Key generation device, encoding/decoding device, and key generation method |
| 01/19/2005 | EP1498819A1 Information recording medium, information processing device, information processing method, and computer program |
| 01/19/2005 | EP1498801A1 Security link management in dynamic networks |
| 01/19/2005 | EP1498800A1 Security link management in dynamic networks |
| 01/19/2005 | EP1497948A1 Signature schemes using bilinear mappings |
| 01/19/2005 | EP1497947A2 Mobile account authentication service |
| 01/19/2005 | EP1497863A2 Authentication of integrated circuits |
| 01/19/2005 | CN1568629A Method for enabling subscriber entity to actively communicate in a communication network |
| 01/19/2005 | CN1568599A Methods and apparatus for identifying asset location in communication networks |
| 01/19/2005 | CN1568597A Encrypting, decoding, and wireless communication device |
| 01/19/2005 | CN1568513A Apparatus and method for reading or writing user data |
| 01/19/2005 | CN1568446A Secure content distribution method and system |
| 01/19/2005 | CN1567993A Copy prevention method and apparatus, and recording medium |
| 01/19/2005 | CN1567859A A method of access authentication for WLAN |
| 01/19/2005 | CN1567327A Credit card data processing method based on cryptogram |
| 01/19/2005 | CN1185903C System for ensuring encrypted communication after handover |
| 01/19/2005 | CN1185821C Cipher communication method |
| 01/18/2005 | US6845160 Apparatus and method for depositing encryption keys |
| 01/18/2005 | CA2263588C Public key cryptosystem method and apparatus |
| 01/13/2005 | WO2002047080A3 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 01/13/2005 | US20050010763 Data transceiver and data transceiver system |
| 01/13/2005 | US20050010756 Granting authorization to access a resource |
| 01/13/2005 | US20050010535 Anonymous payment with a verification possibility by a defined party |
| 01/13/2005 | US20050008156 Data coding |
| 01/13/2005 | US20050008154 Random number generation for encrypting cellular communications |
| 01/12/2005 | EP1496660A2 Information communication device, information communication system and computer program product for transmission control |
| 01/12/2005 | EP1496643A1 Key management method and apparatus |
| 01/12/2005 | EP1496640A1 Digital two-way communication control device and its method |
| 01/12/2005 | EP1496438A1 Information processing device, method, and program |
| 01/12/2005 | CN1565103A Information processing system and method, information processing apparatus and method, recording medium, and program |
| 01/12/2005 | CN1564541A Communication system and communication control apparatus and method |
| 01/12/2005 | CN1564227A Multi-state coding method |
| 01/12/2005 | CN1564226A Two generation coding method of goods |
| 01/11/2005 | US6842859 Authentication system, authentication device, authentication data producing device, and authentication method |
| 01/11/2005 | US6842523 Encryption apparatus, cryptographic communication system, key recovery system, and storage medium |
| 01/06/2005 | WO2005001698A1 Information server, information device, information processing system, information processing method, and information processing program |
| 01/06/2005 | WO2002091332A3 Computation of a multiple of a group element for cryptographic purposes |
| 01/06/2005 | US20050005138 Data service apparatus |
| 01/06/2005 | US20050005112 Controlling access to a resource by a program using a digital signature |
| 01/06/2005 | US20050005097 Communication system and method in public key infrastructure |
| 01/06/2005 | US20050002522 Data processing apparatus, method thereof, program thereof, linear conversion circuit and encryption circuit |
| 01/05/2005 | EP1494460A1 Process and device for authenticating digital data using an authentication plug-in |
| 01/05/2005 | EP1493268A1 Television system with payment in advance |
| 01/05/2005 | EP1493079A2 Configurable arithmetic unit |
| 01/05/2005 | EP1201057B1 Method and device for guaranteeing the integrity and authenticity of a set of data |