| 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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| 11/22/2011 | US8065524 Authentication processing apparatus and authentication processing method |
| 11/17/2011 | WO2011142326A1 Information processing apparatus and control method thereof |
| 11/16/2011 | CN101556749B Encrypted stream processing circuit and method of processing encrypted stream |
| 11/16/2011 | CN101053030B Data processing method, information recording medium manufacturing management system, recording data generation apparatus and method, and computer program |
| 11/15/2011 | USRE42922 Copy prevention method and apparatus for digital video system |
| 11/15/2011 | USRE42921 Copy prevention method and apparatus for digital video system |
| 11/10/2011 | WO2011138823A1 Bit sequence generating apparatus and bit sequence generating method |
| 11/09/2011 | EP2385439A1 Enciphering, deciphering apparatus and methods |
| 11/09/2011 | CN1953365B Data processing system and device |
| 11/09/2011 | CN101441694B Secure video card methods and systems |
| 11/08/2011 | US8056122 User authentication method and system using user's e-mail address and hardware information |
| 11/08/2011 | US8056116 Control method, control program, and control system |
| 11/08/2011 | US8055910 Reprogrammable security for controlling piracy and enabling interactive content |
| 11/08/2011 | US8055012 Hiding and detecting messages in media signals |
| 11/08/2011 | CA2475084C Method for controlling the billing of a broadcast service by units of time |
| 11/03/2011 | WO2011135895A1 Encryption processing system, key generation device, encryption device, decryption device, signature processing system, signature device and verification device |
| 11/03/2011 | US20110271115 Certificate information storage system and method |
| 11/02/2011 | CN101061663B Digital authentication over acoustic channel |
| 11/02/2011 | CN101057246B Data reproducing method and data processing device |
| 11/01/2011 | US8051294 Methods for audio watermarking and decoding |
| 10/27/2011 | WO2011132245A1 Content reception terminal, export/playback method, and recording medium |
| 10/27/2011 | US20110264923 Self-protecting digital content |
| 10/26/2011 | EP2381616A1 Signature and verifying method and signature and verifying device |
| 10/26/2011 | EP1422863B1 Information providing system, information providing apparatus and method; and information processing apparatus and method |
| 10/26/2011 | EP1381993B2 Method and apparatus for establishing usage rights for digital content to be created in the future |
| 10/26/2011 | CN102227759A Scalar multiplier and scalar multiplication program |
| 10/25/2011 | US8046584 Message authentication device |
| 10/25/2011 | US8046580 Data processing apparatus and method for generation of protection compression encoded data |
| 10/25/2011 | CA2417770C Trusted authentication digital signature (tads) system |
| 10/20/2011 | US20110258455 Masked digital signatures |
| 10/20/2011 | US20110255690 Reprogrammable security for controlling piracy and enabling interactive content |
| 10/12/2011 | EP2375672A1 Improvements to an agile network protocol for secure communications with assured system availability |
| 10/12/2011 | EP2375628A2 Signature schemes using bilinear mappings |
| 10/12/2011 | CN1901067B Copyright protection system, recording device and decryption device |
| 10/12/2011 | CN102216967A Data conversion device, data conversion method, and program |
| 10/11/2011 | US8037300 Information processing apparatus with certificate invalidity determination |
| 10/11/2011 | US8037117 Random number derivation method and random number generator using same |
| 10/11/2011 | CA2514111C Method for storing and transmitting data generated by a security module |
| 10/06/2011 | WO2011121661A1 Encryption processing device and encryption processing method |
| 10/06/2011 | US20110246788 Data security system for a database |
| 10/06/2011 | US20110246588 System and method for verified contract acceptance |
| 10/05/2011 | CN1922817B 信息处理装置 The information processing apparatus |
| 10/04/2011 | US8032743 Reliance server for electronic transaction system |
| 10/04/2011 | US8032466 System, method, and computer readable medium for micropayment with varying denomination |
| 10/04/2011 | US8031866 Cryptographic processing apparatus and cryptographic processing method, and computer program |
| 09/29/2011 | WO2011118432A1 Measurement data management method and measurement data management system |
| 09/29/2011 | WO2011117929A1 Random number generator, encryption device and recognition device |
| 09/29/2011 | US20110238999 Internet Based E-Will Management System Using Certificate and Method Thereof |
| 09/29/2011 | US20110238993 Agile Network Protocol For Secure Communications With Assured System Availability |
| 09/29/2011 | DE10296445B4 Adress-Mechanismen im Internet-Protokoll Address mechanisms in the Internet protocol |
| 09/28/2011 | EP2369568A1 Scalar multiplier and scalar multiplication program |
| 09/28/2011 | EP1272988B1 An improved method and system for conducting secure payments over a computer network |
| 09/28/2011 | CN101361060B Method and apparatus for importing content having plurality of parts |
| 09/28/2011 | CN101188731B Audio-video output apparatus, authentication processing method, and audio-video processing system |
| 09/27/2011 | USRE42762 Device and method for authenticating user's access rights to resources |
| 09/22/2011 | US20110231664 Accelerated signature verification on an elliptic curve |
| 09/21/2011 | CN1957344B System and method for converting screen item description and master item content by log-in id control |
| 09/20/2011 | US8024573 Method for authentication of elements of a group |
| 09/20/2011 | US8023689 Robust signature for signal authentication |
| 09/15/2011 | WO2011111375A1 Server device, client device, and method for connecting server device and client device |
| 09/15/2011 | US20110222686 Method for issuing ic card storing encryption key information |
| 09/14/2011 | CN1694402B Device authentication |
| 09/14/2011 | CN1647139B Data conversion device and data conversion method |
| 09/13/2011 | CA2491625C Method for coding and decoding digital data stored or transmitted according to the pixels method for transmitting prioritized pixels |
| 09/13/2011 | CA2486937C Signing and authentication devices and processes and corresponding products, notably for dvb/mpeg mhp digital streams |
| 09/07/2011 | CN101540680B Content transmission apparatus, content reception apparatus and content transmission method |
| 09/06/2011 | US8015401 Authentication of data transmitted in a digital transmission system |
| 09/01/2011 | WO2011105367A1 Block encryption device, block decryption device, block encryption method, block decryption method and program |
| 09/01/2011 | US20110213973 Ic card for encryption or decryption process and encrypted communication system and encrypted communication method using the same |
| 08/31/2011 | EP1012691B1 Encrypting file system and method |
| 08/31/2011 | CN102171968A Information processing device, method, program, and integrated circuit |
| 08/31/2011 | CN101540823B Image processing apparatus and image processing system and method |
| 08/30/2011 | US8010792 Content transmission apparatus, content reception apparatus and content transmission method |
| 08/25/2011 | WO2011101994A1 Encryption device |
| 08/24/2011 | EP2360659A1 Pairing computation device, pairing computation method, and pairing computation program |
| 08/24/2011 | CN1909443B Data distribution apparatus and data communications system |
| 08/24/2011 | CN1599311B Secure communication with a keyboard or related device |
| 08/23/2011 | US8006102 Method and apparatus for transmitting content data and recording and/or reproducing apparatus |
| 08/23/2011 | US8006087 Systems and methods for secure transaction management and electronic rights protection |
| 08/23/2011 | US8005222 Radio communication system, radio communication device, radio communication method, and computer program |
| 08/23/2011 | US8004542 Video composition apparatus, video composition method and video composition program |
| 08/18/2011 | US20110202764 Data reference system, database presentation/distribution system, and data reference method |
| 08/18/2011 | US20110202752 Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method |
| 08/18/2011 | US20110199478 Inspection system and inspection method, management server, mobile terminal, inspection program and memory medium |
| 08/17/2011 | EP2357651A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 08/17/2011 | CN1892731B Typeface-lattice structure enciphering method and system |
| 08/17/2011 | CN1650335B Device for automatic reading of a plurality of codes by means of a single key code |
| 08/09/2011 | US7996913 Self-protecting digital content |
| 08/09/2011 | US7996873 Remote management system for at least one audiovisual information reproduction device |
| 08/09/2011 | US7996676 Masked digital signatures |
| 08/09/2011 | US7996539 Agile network protocol for secure communications with assured system availability |
| 08/09/2011 | US7996335 Information processing device, contents distribution server, license server, and method and computer program |
| 08/09/2011 | US7996326 Financial card system, communications device, authentication terminal, authentication method, and program |
| 08/09/2011 | US7995751 Method and apparatus for encrypting data in a wireless communication system |
| 08/09/2011 | US7995091 Mixed media telecommunication call manager |
| 08/09/2011 | CA2349519C An agile network protocol for secure communications with assured system availability |
| 08/04/2011 | US20110191600 System, Method and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks, or other media |
| 08/04/2011 | US20110191582 Agile Network Protocol For Secure Communications With Assured System Availability |
| 08/03/2011 | CN1704990B Information embedding device, information detecting device, information embedding and detecting system, information embedding method, information detecting method, information embedding program, infor |
| 08/02/2011 | US7991155 Backup management device, backup management method, computer program, recording medium, integrated circuit, and backup system |