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)
07/2011
07/28/2011WO2011088673A1 Device and method for encryption and decryption based on gravity acceleration
07/28/2011US20110185197 Outlet expansion apparatus, and delegate authentication method
07/27/2011EP2348499A1 Encrypting apparatus
07/27/2011EP1442374B1 Multi-core multi-thread processor
07/27/2011CN1656772B Association of security parameters for a collection of related streaming protocols
07/27/2011CN102138170A Data conversion device, data conversion method, and program
07/27/2011CN102136910A Outlet expansion apparatus and delegate authentication method
07/27/2011CN102136220A Password setting device and control method thereof
07/27/2011CN101114450B Speech encoding selectivity encipher method
07/26/2011US7987510 Self-protecting digital content
07/26/2011US7987094 Audio encoding to convey auxiliary information, and decoding of same
07/26/2011CA2317775C Hybrid signature scheme
07/21/2011WO2011086992A1 Representative calculation system, method, request device, program and recording medium
07/21/2011WO2011086687A1 Confidential search system and encryption processing system
07/21/2011WO2011086668A1 Secret retrieval system, public parameter generation device, encryption device, user secret key generation device, query issue device, retrieval device, computer program, secret retrieval method, public parameter generation method, encryption method, user secret key generation method, query issue method, and retrieval method
07/20/2011CN102132521A Data exchange processing device and data exchange processing method
07/19/2011US7984511 Self-protecting digital content
07/19/2011US7984305 Encryption processing apparatus and encryption processing method for setting a mixed encryption processing sequence
07/19/2011US7984300 System and method of authenicating a digitally captured image
07/14/2011WO2011083678A1 Encryption processing system, key generation device, key devolvement device, encryption device, decoding device, encryption processing method, and encryption processing program
07/14/2011WO2011083384A2 Method and system to create chinese language seeds from most frequently used characters and their applications
07/14/2011US20110173615 Interpreting i/o operation requests from pageable guests without host intervention
07/13/2011EP2343891A2 Partial Encryption and PID mapping
07/13/2011EP2343890A2 Partial encryption and PID mapping
07/13/2011EP2343877A1 Image encryption device/decryption device, image encryption method/decryption method, and image encryption program/decryption program
07/13/2011CN1901451B Authentification of data in a digital transmission system
07/13/2011CN1641717B Firmware encrypting and decrypting method and an apparatus using the same
07/12/2011US7979704 Authentication system
07/07/2011WO2011081104A1 Communication system, authentication device, control server, and communication method and program
07/06/2011EP1457875B1 Apparatus and method for performing Montgomery type modular multiplication
07/06/2011CN101572795B Partial encryption and pid mapping
07/05/2011USRE42517 Authenticating or signature method with reduced computations
07/05/2011US7974405 Method and device for calculating a function from a large number of inputs
07/05/2011CA2399097C Method, system and mobile terminal for checking the integrity of data
06/2011
06/30/2011WO2011078074A1 Image encryption system characterized by outputting image obtained by subjecting encrypted image to blurring process at intensity in accordance with inspection right owner
06/30/2011WO2011077819A1 Verification device, confidential information restoration device, verification method, program, and secret sharing system
06/29/2011EP2338253A1 A method for secure communication
06/29/2011CN1489748B Security module, method for calculating algorithm code using the method and communication method
06/28/2011US7970821 Device and method for updating code
06/28/2011US7970709 Method and apparatus for client customization by executing software parts on plural servers
06/28/2011US7970137 Content reproduction apparatus, content recording apparatus, network system, and content recording/reproduction method
06/28/2011US7970131 Elliptic curve cryptosystem apparatus, storage medium storing elliptic curve cryptosystem program, and elliptic curve cryptosystem arithmetic method
06/28/2011CA2403383C System, method and computer program product for providing unified authentication services for online applications
06/23/2011WO2011074500A1 Mobile proxy authentication system and mobile proxy authentication method
06/23/2011US20110154057 Saving and retrieving data based on public key encryption
06/23/2011US20110153504 Postcard greetings for direct marketing
06/22/2011EP2337262A1 Information processing device, method, program, and integrated circuit
06/22/2011EP2336965A1 Large capacity data sales mediation system, server, and method
06/22/2011DE102005016938B4 Elektronisches Dokumentenspeicher- und Referenzsystem sowie dessen Verwendung für ein Dokumententransferverfahren Electronic document storage and reference system and its use for a document transfer method
06/22/2011CN1645442B Multi-segment signature verifying system, electronic signature providing device, data supplementing device and electronic signature verifying device
06/22/2011CN101617351B Cryptogram generating device, cryptogram communication system, and group parameter generating device
06/21/2011US7966497 System and method for acoustic two factor authentication
06/21/2011US7966372 System and method for verifying delivery and integrity of electronic messages
06/21/2011US7965836 Data cipher processors
06/16/2011US20110145151 Financial card system, communications device, authentication terminal, authentication method, and program
06/15/2011CN101206815B Encryption process and encryption method
06/15/2011CN101044535B Data converting apparatus and data converting method
06/14/2011US7962754 Method and equipment for encrypting/decrypting physical characteristic information, and identification system utilizing the physical characteristic information
06/14/2011US7962750 System for tracking end-user electronic content usage
06/14/2011US7961743 Service gateway for interactive television
06/14/2011CA2465270C Secure communication with a keyboard or related device
06/14/2011CA2423636C Methods for authenticating potential members invited to join a group
06/08/2011EP2330572A1 Large capacity data sales mediation system, user terminal and server
06/07/2011CA2498703C Recall device
06/03/2011WO2011064844A1 Digital signature server and user terminal
06/01/2011EP2328136A1 Data conversion device, data conversion method, and program
06/01/2011CN102084376A Content search device
05/2011
05/26/2011WO2011062136A1 Cipher processing system, key generating device, key delegating device, encrypting device, decrypting device, cipher processing method, and cipher processing program
05/25/2011EP2325828A1 Data conversion device, data conversion method, and program
05/25/2011CN1574728B Distributed authentication in a protocol-based sphere of trust in which a given external connection outside the sphere of trust may carry communications from multiple sources
05/25/2011CN101371286B Encryption processing device and method
05/25/2011CN101178861B SHA operation method and device
05/24/2011US7949875 Message authentication
05/19/2011US20110119505 Saving and retrieving data based on public key encryption
05/19/2011US20110119502 Saving and retrieving data based on public key encryption
05/19/2011US20110119501 Saving and retrieving data based on public key encryption
05/19/2011US20110119500 Saving and retrieving data based on public key encryption
05/19/2011US20110119321 Random number generating method and random number generating apparatus
05/18/2011EP2323335A2 Protocol for secure communication
05/18/2011CN1847132B Elevator monitoring system, elevator monitoring arrangement
05/18/2011CN101504707B Conditional access to digital rights management conversion
05/18/2011CN101398871B Systems and methods for secure transaction management and electronic rights protection
05/18/2011CN101180829B Authentication system, verification device and program
05/17/2011CA2349520C An agile network protocol for secure communications with assured system availability
05/12/2011WO2011055804A1 Handy terminal and payment method used for the handy terminal
05/11/2011EP2320344A2 Key generation
05/10/2011US7941864 Audio-video output apparatus, authentication processing method, and audio-video processing system
05/10/2011US7941799 Interpreting I/O operation requests from pageable guests without host intervention
05/05/2011WO2011052587A1 Block encryption apparatus, block encryption method and program
05/05/2011WO2011052585A1 Encryption device, encryption method, and program
05/05/2011US20110106897 System and method for verifying delivery and integrity of electronic messages
05/04/2011CN101399676B Power saving via variable listen intervals in a wlan
05/03/2011US7937407 Access control method, access control system, metadata controlling device, and transmitting apparatus
05/03/2011US7937327 Music content using apparatus
05/03/2011US7936877 Data transfer system, data transfer device, data recording device and data transfer method
05/03/2011US7936874 Information transfer system, encryption device, and decryption device
05/03/2011US7936871 Altering the size of windows in public key cryptographic computations
05/03/2011US7935878 System, method and computer program for ensuring secure use of music playing data files
04/2011
04/26/2011US7934234 Transmission and reception of television programmes and other data
04/26/2011US7931304 Coin-discriminator voucher anti-counterfeiting method and apparatus
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