| 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) |
|---|
| 08/19/2008 | US7415612 Image encrypting method, and image decrypting method |
| 08/19/2008 | US7415611 Accelerated signature verification on a elliptic curve |
| 08/19/2008 | US7415610 Facilitating access to information stored on a network using an extended network universal resource locator |
| 08/19/2008 | US7415606 Method and apparatus for managing secure collaborative transactions |
| 08/19/2008 | US7415431 System and method for trusted self-billing and payment for utilities including audit, verification, reconciliation and dispute resolution |
| 08/14/2008 | WO2008095369A1 Communication adapter layer system, method and device for obtaining network element information |
| 08/14/2008 | US20080195864 Method for implementing DRM function and additional function using DRM device and system thereof |
| 08/14/2008 | US20080192935 Receiver, Transmitter and Communication Control Program |
| 08/14/2008 | US20080192926 Des Hardware Throughput for Short Operations |
| 08/13/2008 | EP1956510A2 Method for implementing DRM function and additional function using DRM device and system thereof |
| 08/13/2008 | CN101242262A 2-D parity checkup correction method and its realization hardware based on advanced encryption standard |
| 08/13/2008 | CN101241735A Reprogrammable security for controlling piracy and enabling interactive content |
| 08/13/2008 | CN101241534A Semiconductor device including encryption section or external interface, and content reproduction method |
| 08/13/2008 | CN101241533A Semiconductor device including encryption section or external interface, and content reproduction method |
| 08/12/2008 | US7412725 Copyright protection system, digital information processing apparatus and copyright protection method |
| 08/12/2008 | US7412601 Illegal data use prevention system |
| 08/12/2008 | US7412524 Method and system for authentication when certification authority public and private keys expire |
| 08/12/2008 | US7412480 Device and method for updating code |
| 08/12/2008 | US7412423 Charging system and charging method |
| 08/12/2008 | CA2296223C Method, apparatus and communication system for exchange of information in pervasive environments |
| 08/07/2008 | WO2008093690A1 Shared information creating device, recovering device, recovery result verifying device, and secret information sharing system, method, and program |
| 08/07/2008 | US20080189552 Advanced stream format (asf) data stream header object protection |
| 08/06/2008 | EP1952339A2 Perpetual masking for secure watermark embedding |
| 08/06/2008 | EP1537474B1 Feedback random number generation method and system |
| 08/06/2008 | CN201097322Y Key value variable password keyboard |
| 08/06/2008 | CN100409612C Method for checking integrity of data, system and mobile terminal |
| 08/06/2008 | CN100409245C Method for implementing PKI application of bank card on computer |
| 08/06/2008 | CN100409205C Information processing device and method |
| 08/05/2008 | US7409560 Certification processing hardware, certification processing system and use management hardware |
| 08/05/2008 | US7409554 Data processing system, memory device, data processing unit, and data processing method and program |
| 08/05/2008 | US7409551 Certificate validity authentication method and apparatus |
| 08/05/2008 | US7409063 Contents distribution system |
| 07/31/2008 | WO2008090928A1 Method, device, and program for converting data in storage medium |
| 07/30/2008 | CN101233525A 数据处理装置 Data processing means |
| 07/29/2008 | US7406594 Method and apparatus for certification and authentication of users and computers over networks |
| 07/29/2008 | US7406517 System and method for distributed management of shared computers |
| 07/29/2008 | US7406176 Fully scalable encryption for scalable multimedia |
| 07/29/2008 | US7406175 Key generator device, encoding/decoding device, and key generation method |
| 07/29/2008 | US7405423 Random number generating device |
| 07/29/2008 | US7404523 IC card with a cipher key conversion function |
| 07/29/2008 | CA2332034C A method and system for providing copy-protection on a storage medium and storage medium for use in such a system |
| 07/24/2008 | WO2008087734A1 Cryptogram generating device, cryptogram communication system, and group parameter generating device |
| 07/24/2008 | US20080178005 Signature schemes using bilinear mappings |
| 07/24/2008 | US20080177997 Security gateway for online console-based gaming |
| 07/24/2008 | DE10196006B4 Erzeugen einer Schlüsselhierarchie zur Verwendung in einer isolierten Ausführungsumgebung Generating a key hierarchy for use in an isolated execution environment |
| 07/23/2008 | EP0958675B1 Method for encrypting information represented as a numerical value |
| 07/23/2008 | CN101226705A Circle scattering migration code-transfer ciphering method |
| 07/22/2008 | US7404080 Methods and apparatus for efficient computation of one-way chains in cryptographic applications |
| 07/22/2008 | US7404077 Extension of X.509 certificates to simultaneously support multiple cryptographic algorithms |
| 07/22/2008 | US7403965 Encryption/decryption system for calculating effective lower bits of a parameter for Montgomery modular multiplication |
| 07/22/2008 | US7403621 System for ensuring encrypted communication after handover |
| 07/22/2008 | US7403618 Conditional access |
| 07/22/2008 | US7403617 System and method for copy protection for digital signals |
| 07/22/2008 | US7403614 Encryption apparatus |
| 07/17/2008 | WO2008084547A1 Document verification program, recording medium, document verification method, and document verification apparatus |
| 07/17/2008 | WO2008039662A3 Techniques for key derivation for secure communication in wireless mesh networks |
| 07/16/2008 | EP1944907A1 Message authentication device, message authentication method, message authentication program, and recording medium therefor |
| 07/16/2008 | EP1944904A1 Secure processing device, secure processing method, encrypted confidential information embedding method, program, storage medium, and integrated circuit |
| 07/16/2008 | EP1944713A2 Interactive contents revealing storage device |
| 07/16/2008 | EP1046131B1 Data processing device and operating method for preventing a differential current consumption analysis |
| 07/16/2008 | CN100403765C Information processing apparatus and its control method |
| 07/15/2008 | US7401231 Information recording/playback device and method |
| 07/15/2008 | US7401226 Public key cryptographic method based on braid groups |
| 07/15/2008 | US7401221 Advanced stream format (ASF) data stream header object protection |
| 07/15/2008 | US7401218 Home device authentication system and method |
| 07/15/2008 | US7401217 Secure routing protocol for an ad hoc network using one-way/one-time hash functions |
| 07/15/2008 | US7400723 Secure method for secret key cryptographic calculation and component using said method |
| 07/15/2008 | CA2351588C Method for carrying out transactions and device for realising the same |
| 07/10/2008 | US20080168272 Communication scheme using outside dtcp bridge for realizing copyright protection |
| 07/09/2008 | EP1942392A1 Method, apparatus and optical medium for enabling playback of encrypted digital video on a plurality of playback devices having different security characteristics |
| 07/09/2008 | EP1942391A1 Computer-readable medium, device and method for playing encrypted digital video |
| 07/09/2008 | CN100401773C Content reproduction apparatus, content recording apparatus, and content recording/reproduction method |
| 07/08/2008 | US7398400 Computer system protection |
| 07/08/2008 | US7397921 Receiving apparatus |
| 07/08/2008 | US7397919 Access control method and storage apparatus |
| 07/02/2008 | EP1939838A1 Information security device, information security method, computer program, computer-readable recording medium, and integrated circuit |
| 07/02/2008 | EP1442351B1 Secure content distribution method and system |
| 07/02/2008 | CN100399840C Seamless public wireless local area network user authentication |
| 07/01/2008 | US7395426 Method of authenticating content provider and assuring content integrity |
| 07/01/2008 | US7395295 Pipeline core in Montgomery multiplier |
| 07/01/2008 | US7395288 Seed generating circuit, random number generating circuit, semiconductor integrated circuit, IC card, and information terminal equipment |
| 07/01/2008 | US7394871 Digital implementation of multi-channel demodulators |
| 06/26/2008 | US20080155272 Semiconductor integrated circuit device, program delivery method, and program delivery system |
| 06/25/2008 | EP1378092B1 System and method for message encryption and signing in a transaction processingsystem |
| 06/25/2008 | CN101208747A Apparatus, method, and program product for recording and reproducing contents |
| 06/25/2008 | CN101206816A Operation processing apparatus, operation processing control method, and computer program |
| 06/25/2008 | CN101206815A Encryption process, encryption device, and computer-readable medium storing encryption program |
| 06/25/2008 | CN100397901C Device that is used for secure diffusion controlled display private copying and management of and conditional access to MPEG-4-type audiovisual content rights |
| 06/24/2008 | US7392401 Data storage apparatus |
| 06/24/2008 | US7392387 Apparatus and methods for providing secured communication |
| 06/24/2008 | US7392272 Calculation device and calculation method |
| 06/24/2008 | US7392271 Random number generating circuit, semiconductor integrated circuit, IC card and information terminal device |
| 06/24/2008 | US7392225 Revocation information updating method, revocation information updating apparatus and storage medium |
| 06/24/2008 | US7391868 Implicit certificate scheme |
| 06/19/2008 | WO2008072455A1 Encryption device, encryption method, and computer program |
| 06/19/2008 | US20080147563 System, method, and computer readable medium for micropayment with varying denomination |
| 06/19/2008 | US20080144818 Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method |
| 06/18/2008 | EP1933496A2 Improved DES and other cryptographic processes with leak minimization for smartcards and other cryptosystems |
| 06/18/2008 | EP1129541A4 Method and system for authenticating and utilizing secure resources in a computer system |
| 06/18/2008 | CN101203859A Program illegiblizing device and method |