Patents
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)
08/2006
08/02/2006EP1686719A1 Block cipher apparatus
08/02/2006EP1685677A1 A hand-portable electronic device for verifying an input test sequence of characters against a predetermined sequence of characters
08/02/2006EP1171985B1 Monitoring integrity of transmitted data
08/02/2006EP1064621B1 System and method for management of postage meter licenses
08/02/2006CN1812468A Method of generating protected document image and apparatus of generating the same
08/02/2006CN1812323A Local authentication in communication systems
08/02/2006CN1268127C Copy prevention method and digital data processing device
08/02/2006CN1268126C Copy-preventing method and recording device for digital data processing and recording system
08/02/2006CN1267801C Method and apparatus for protection of recorded digital data
08/01/2006US7086087 Information processing device, card device and information processing system
08/01/2006US7085378 Countermeasure method in an electronic component using a secret key cryptographic algorithm
08/01/2006US7085377 Information delivery in a multi-stream digital broadcasting system
07/2006
07/27/2006WO2006077701A1 Signing device, verifying device, certifying device, encrypting device, and decrypting device
07/27/2006WO2006077700A1 Group signature system
07/27/2006WO2006077651A1 Encrypting device having tamper resistance against power analysis attack
07/27/2006US20060168264 Information processing device, information processing method, and computer program
07/27/2006US20060167801 Method and apparatus for client customization by executing software parts on plural servers
07/26/2006EP1684467A1 Power saving via variable listen intervals in a WLAN
07/26/2006EP1684466A1 Power saving and handling broadcast as unicast traffic in a WLAN
07/26/2006EP1683101A2 Quantum cash system and quantum cash apparatus
07/26/2006EP1481535A4 System and method for acoustic two factor authentication
07/26/2006EP1287638B1 Decoding of cipher polynomials
07/26/2006EP1076954B1 System and method for electronic transmission, storage and retrieval of authenticated documents
07/26/2006CN1809195A Multi-communication network call processing method for multi-mode terminals
07/26/2006CN1809153A Video composition apparatus, video composition method and video composition program
07/26/2006CN1809008A Handling broadcast and multicast traffic as unicast traffic in a wireless network
07/26/2006CN1808526A Data converting device and data converting method
07/26/2006CN1807120A Technology combining human skin grain character and seal, pattern ,character and code
07/26/2006CN1266875C Content issuing/receiving method
07/26/2006CN1266616C Computer encryption unit and encryption method
07/26/2006CN1266559C Processing copy protection signals
07/25/2006US7082533 Gauging risk in electronic communications regarding accounts in ABDS system
07/21/2006CA2531384A1 Handling broadcast and multicast traffic as unicast traffic in a wireless network
07/20/2006US20060160545 Methods and apparatus for identifying asset location in communication networks
07/20/2006US20060160525 Authentication system for mobile terminal having electronic money function
07/20/2006US20060159266 Protection of digital content using block cipher crytography
07/19/2006EP1451963B1 Security reconfiguration in a universal mobile telecommunications system
07/19/2006CN1806410A 加密通信系统 Encrypted communication system
07/19/2006CN1805571A Method of switching communication module in communication devices
07/19/2006CN1265298C Data storage apparatus, information processing apparatus and data-storage processing method
07/19/2006CN1265280C Extending the range of computational fields of integers
07/19/2006CN1264828C Nitric ester and nitrate salts of specific drugs
07/18/2006US7080256 Method for authenticating a chip card in a message transmission network
07/18/2006US7080252 Method and apparatus for secure data transmission via network
07/18/2006US7080251 Certificate validity authentication method and apparatus
07/18/2006US7080110 Hardware implementation for modular multiplication using a plurality of almost entirely identical processor elements
07/18/2006US7080045 Electronic revenue stamp issuing apparatus and method thereof and recording medium stored control program thereof
07/18/2006US7080041 System and method for production and authentication of original documents
07/18/2006US7079651 Cryptographic method and apparatus for non-linearly merging a data block and a key
07/18/2006US7079650 Computing method for elliptic curve cryptography
07/13/2006WO2006074103A1 Display device with speaker grill
07/13/2006WO2006073201A1 Communication system and communication method
07/13/2006WO2006073200A1 Communication system and communication method
07/13/2006WO2005062698A3 System and method for managing protocol network failures in a cluster system
07/13/2006US20060155855 Apparatus, methods and computer software productus for judging the validity of a server certificate
07/13/2006US20060153376 Enhanced ANSI X9.17 and FIPS 186 pseudorandom number generators with forward security
07/13/2006CA2592703A1 Communication system and communication method
07/13/2006CA2592675A1 Communication system and communication method
07/12/2006EP1679894A2 Broadcast and reception system, and conditional access system therefor
07/12/2006CN1802629A On-line randomness test through overlapping word counts
07/12/2006CN1801926A Mixed-media telecommunication call set-up
07/12/2006CN1801919A Copy prevention method and apparatus for digital video system
07/12/2006CN1801738A Device for detecting computer access state in network and detecting method
07/12/2006CN1264305C Technique for producing cryptographic signatures and for using such signature in conjunction with product copy
07/12/2006CN1264292C Audio Data transmitting method and audio data broadcast tranmitting system
07/11/2006US7076800 IC card terminal unit and IC card duplication method
07/11/2006US7076652 Systems and methods for secure transaction management and electronic rights protection
07/11/2006US7076063 Master digital data creation device and digital data reproduction device
07/11/2006CA2288727C Electronic transaction
07/06/2006WO2006070766A1 System, method, and program for converting screen item description and master item content by log-in id control
07/06/2006WO2006070682A1 Limited blind signature system
07/06/2006US20060149680 System for controlling the distribution and use of digital works
07/06/2006US20060148402 Connection authentication in wireless communication network system
07/06/2006US20060147039 Data encryption method cryptographic system and associated component
07/06/2006US20060144928 Data processing method, system and apparatus for processing a variety of demands from a service provider
07/05/2006CN1799240A 证书信息存储系统和方法 Certificate information storage system and method
07/05/2006CN1799095A Digital recording device, digital reproduction device, digital recording/reproduction device, encryption device, decryption device, encryption method, and decryption method
07/05/2006CN1798264A Image sensing apparatus and control method thereof
07/05/2006CN1798059A Device and method for implementing switch between IP network and PSTN for users
07/05/2006CN1797500A Apparatus and method for verifying the ownership of an owner's authority in terms of product and service
07/05/2006CN1797268A Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method
07/05/2006CN1797267A Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method
07/05/2006CN1262966C Method and system for ordering, loading and using access tickets
07/04/2006US7073073 Data providing system, device, and method
07/04/2006US7073000 Communication system and communication control apparatus and method
07/04/2006US7071725 Data processing apparatus and logical operation apparatus
06/2006
06/29/2006WO2006068152A1 Key information generation method
06/29/2006WO2006068109A1 Programmable logic circuit
06/29/2006WO2006066482A1 Apparatus and method of realizing user switching between ip network and pstn network
06/29/2006US20060143696 Techniques for performing UMTS (Universal Mobile Telecommunications System) authentication using SIP (Session Initiation Protocol) messages
06/29/2006US20060143457 Authenticated ID-based cryptosystem with no key escrow
06/29/2006US20060143456 Authenticated ID-based cryptosystem with no key escrow
06/29/2006US20060140600 Image sensing apparatus with camera shake correction function
06/29/2006US20060140402 Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method
06/29/2006US20060139493 Displaying apparatus and control method thereof
06/28/2006EP1674968A2 A method and system for managing a data object so as to comply with predetermined conditions for usage
06/28/2006EP1674967A2 A method and system for managing a data object so as to comply with predetermined conditions for usage
06/28/2006CN1795452A Information server, information device, information processing system, information processing method, and information processing program
06/28/2006CN1794796A Displaying apparatus and control method thereof
06/28/2006CN1794306A Cash automatic transaction device
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