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