| 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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| 03/03/2009 | US7499549 Communication system, information processing apparatus, information processing method, recording medium and program |
| 03/03/2009 | US7499544 Use of isogenies for design of cryptosystems |
| 03/03/2009 | US7499543 Linear conversion circuit and encryption circuit |
| 02/25/2009 | EP2028579A2 Information processing apparatus and method for installing an encrypted program in a key implemented system |
| 02/25/2009 | EP1518165B1 Computation of a multiple of a group element for cryptographic purposes |
| 02/25/2009 | EP1461952A4 Partial encryption and pid mapping |
| 02/25/2009 | CN101375323A Encryption/decryption device, encryption/decryption device manufacturing device, and method, and computer program |
| 02/24/2009 | US7496765 System, method and program product to prevent unauthorized access to portable memory or storage device |
| 02/24/2009 | US7496202 Architecture for manufacturing authenticatable gaming systems |
| 02/24/2009 | US7496200 Architecture for manufacturing authenticatable gaming systems |
| 02/18/2009 | EP2026494A1 Authentication device using intrinsic random number generating element or pseudo-random number generating element, authentication apparatus, and authentication method |
| 02/18/2009 | CN101371286A Encryption/decryption device, encryption/decryption method, and computer program |
| 02/18/2009 | CN101371285A Encryption processing device, encryption processing method, and computer program |
| 02/18/2009 | CN101369386A DH hashing method |
| 02/18/2009 | CN100462987C Method and system for transmitting electronic value information |
| 02/17/2009 | US7492897 Conditional access system for broadcast digital television |
| 02/17/2009 | US7492894 Information-processing apparatus, control method, program and recording medium |
| 02/17/2009 | CA2283178C Method for generating asymmetrical cryptographic keys by the user |
| 02/17/2009 | CA2252078C Power signature attack resistant cryptographic system |
| 02/12/2009 | WO2009020216A1 Arithmetic operation method and arithmetic operation device |
| 02/12/2009 | WO2009020078A1 Dispersion information management system |
| 02/12/2009 | WO2009020060A1 Common key block encryption device, common key block encryption method, and program |
| 02/12/2009 | US20090044017 Signature and verifying method, and signature and verifying device |
| 02/12/2009 | US20090043652 Systems and methods for secure transaction management and electronic rights protection |
| 02/12/2009 | US20090041238 Implicit certificate scheme |
| 02/12/2009 | US20090041235 Secure Information Distribution System Utilizing Information Segment Scrambling |
| 02/11/2009 | EP2023530A1 Communication node authentication system and method, and communication node authentication program |
| 02/11/2009 | EP2023525A1 System for disabling unauthorized person, encryption device, encryption method, and program |
| 02/11/2009 | CN101364415A Reprogrammable security for controlling piracy and enabling interactive content |
| 02/10/2009 | US7490069 Anonymous payment with a verification possibility by a defined party |
| 02/05/2009 | WO2009017119A1 Receiving device |
| 02/05/2009 | WO2008141571A8 A sector base station |
| 02/05/2009 | US20090037721 Program development method, program development supporting system, and program installation method |
| 02/05/2009 | US20090034730 Process for digital signing of a message |
| 02/05/2009 | US20090034719 Des Hardware Throughput for Short Operations |
| 02/05/2009 | DE19755796B4 Vorrichtung und Verfahren zum Sichern elektronischer Information in einer drahtlosen Kommunikationseinrichtung Apparatus and method for securing electronic information in a wireless communication device |
| 02/04/2009 | EP1346509B1 Method and device for detecting a key pair and for generating RSA keys |
| 02/04/2009 | CN101361060A Method and apparatus for importing content having plurality of parts |
| 02/04/2009 | CN101359350A Systems and methods for secure transaction management and electronic rights protection |
| 02/04/2009 | CN100458740C Recording system and method, recording device and method, input device and method, reading system and method thereof |
| 02/04/2009 | CN100458739C Video card protecting method and system |
| 02/03/2009 | US7487352 Architecture for manufacturing authenticatable gaming systems |
| 02/03/2009 | US7486793 Invoicing management method of a service transmitted per time unit |
| 02/03/2009 | US7486789 Device and method for calculation on elliptic curve |
| 02/03/2009 | US7486414 Image forming device, pattern formation method and storage medium storing its program |
| 02/03/2009 | CA2328101C Method for verifying the use of public keys generated by an on-board system |
| 01/29/2009 | WO2009014157A1 Method and device for generating pseudorandom number, and method and device for encryption using pseudorandom number |
| 01/29/2009 | WO2009013910A1 Encoder apparatus, decoder apparatus, and information recording medium |
| 01/28/2009 | CN100456670C Digital signature for digital TV |
| 01/28/2009 | CN100456200C Multi-token seal and unseal |
| 01/27/2009 | US7484236 Service gateway for interactive television |
| 01/27/2009 | US7484104 Information processor and information processing method for cooperative operation of job processor |
| 01/27/2009 | US7484103 Method and system for the information protection of digital content |
| 01/27/2009 | US7484101 Coded data associated with an object and encoding a distributed signature |
| 01/27/2009 | US7483536 Mini time key creation method |
| 01/27/2009 | CA2304342C Method and system for transient key digital time stamps |
| 01/22/2009 | WO2009011050A1 Information recording medium, information processing device and method |
| 01/22/2009 | US20090024852 Group signature system, method, device, and program |
| 01/22/2009 | US20090024849 Information acquisition device, information acquisition method, and information acquisition program |
| 01/21/2009 | CN101350155A Method and system for generating and verifying cipher through genus nerval network |
| 01/21/2009 | CN100454988C Image display system |
| 01/21/2009 | CN100454860C Connection control system, connection control device and connection managing device |
| 01/21/2009 | CN100454325C Safety system, identifying server, identifying method and program |
| 01/20/2009 | US7480806 Multi-token seal and unseal |
| 01/20/2009 | US7480691 Arithmetic device for multiple precision arithmetic for Montgomery multiplication residue arithmetic |
| 01/20/2009 | CA2442456C Data encryption system and method |
| 01/20/2009 | CA2244337C Encryption processor with shared memory interconnect |
| 01/20/2009 | CA2197548C A system for securing the flow of and selectively modifying packets in a computer network |
| 01/15/2009 | WO2009008105A1 Electronic money intended to be issued as legal currency by central bank or institution having function equivalent to that of central bank and electronic money system |
| 01/15/2009 | US20090016536 Data encryption system and method |
| 01/14/2009 | EP2015214A2 Systems and methods for secure transaction management and electronic rights protection |
| 01/14/2009 | CN101345823A Information device and portable information apparatus |
| 01/14/2009 | CN100452702C Authentification of data in a digital transmission system |
| 01/14/2009 | CN100452072C Systems and methods for secure transaction management and electronic rights protection |
| 01/14/2009 | CN100452071C Systems and methods for secure transaction management and electronic rights protection |
| 01/13/2009 | US7478242 Increasing integrity of watermarks using robust features |
| 01/13/2009 | US7477739 Efficient storage of fingerprints |
| 01/08/2009 | WO2009004732A1 Method for encrypting and decrypting shared encrypted files |
| 01/08/2009 | WO2009004717A1 Information recording medium, information recorder, server device for managing charge for distribution, intermediation device, and reproduction device |
| 01/08/2009 | WO2009004716A1 Information recording medium, reproduction device, and computer program |
| 01/08/2009 | WO2009004498A1 Content delivery system |
| 01/08/2009 | US20090010430 Streaming system for distributing encrypted compressed image data, and streaming method therefor |
| 01/07/2009 | EP1364278A4 Apparatus, method and system for tracking information access |
| 01/07/2009 | CN100449507C Memory access control system and management method using access control ticket |
| 01/06/2009 | US7475244 Wireless communication device, portable terminal, communication control program and communication system |
| 01/06/2009 | US7474748 Modular inversion that is protected against espionage |
| 01/06/2009 | US7474625 Time-triggered communication system and method for the synchronized start of a dual-channel network |
| 12/31/2008 | WO2009001539A1 Information security device and information security system |
| 12/31/2008 | EP1606914A4 Secure object for convenient identification |
| 12/31/2008 | CN100448259C Image authentication apparatus, image authentication method |
| 12/31/2008 | CN100448193C Multiple module encryption method |
| 12/30/2008 | US7472278 Remote authentication of an object using a signature encoded in a number of data portions |
| 12/30/2008 | US7472274 Authentication of an electronic tag |
| 12/30/2008 | US7472154 Multiplication remainder calculator |
| 12/30/2008 | US7471791 Method for countermeasure in an electronic component using a secret key algorithm |
| 12/30/2008 | US7471789 Encryption circuit achieving higher operation speed |
| 12/30/2008 | US7471714 Random number sequence sharing system, random number sequence sharing apparatus, codec system, coding apparatus, decoding apparatus, random number sequence sharing method, coding method, decoding method, and program product |
| 12/25/2008 | US20080320479 Telecom adapter layer system, and method and apparatus for acquiring network element information |
| 12/24/2008 | WO2008155905A1 Encryption device and encryption operation method |
| 12/24/2008 | CN101329869A System and method for encrypting acoustic source of speech encoding for vector quantization |