Patents
Sitemap › G09 - Educating; Cryptography; Display; Advertising; Seals › G09C - Ciphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy › 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
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)
10/2012
10/18/2012WO2012141189A1 Encrypting method, encrypting device, and encrypting program
10/18/2012WO2012140291A1 System and method for remote biometric operations
10/18/2012WO2012140077A1 Cryptographic equipment implementing red/black communication modes
10/18/2012WO2012139706A2 System and method for encrypted data interchange between two data processing devices
10/18/2012US20120265985 Application executing device, managing method, and program
10/17/2012EP2512093A1 Improvements to an agile network protocol for secure communications with assured system availability
10/16/2012US8291212 System and method for compressing secure E-mail for exchange with a mobile data communication device
10/16/2012US8290161 Incorporating shared randomness into distributed cryptography
10/16/2012US8289936 Seamless public wireless local area network user authentication
10/16/2012CA2450601C System and method for compressing secure e-mail for exchange with a mobile data communication device
10/11/2012WO2012137396A1 Random number generating device
10/11/2012US20120257754 Data transmitting apparatus, data receiving apparatus, data transmitting method, and data receiving method
10/11/2012US20120257744 Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method
10/10/2012CN1451213B Systems and methods for authenticating an electronic message
10/09/2012US8285896 Data conversion system
10/04/2012WO2012132910A1 Method and Server for Evaluating a Probability of an Observation Sequence Stored at a Client with respect to a Hidden Markov Model (HMM) Stored at a Server
10/04/2012WO2012132623A1 Encryption processing device, encryption processing method, and programme
10/04/2012WO2012132622A1 Data processing device, data processing method, and programme
10/04/2012WO2012132621A1 Encryption processing device, encryption processing method, and programme
10/04/2012WO2012132620A1 Encryption processing device, encryption processing method, and programme
10/04/2012WO2012132136A1 Code processing system, key generation device, encoder, decoder, code processing method and code processing program
10/04/2012WO2012131856A1 Information processing device, tampering detection device, information processing method, tampering detection method, information processing program, and tampering detection program
10/04/2012CA2827761A1 Cryptographic processing device, cryptographic processing method, and program
10/03/2012EP2506490A1 Digital signature server and user terminal
10/03/2012CN102714595A Digital signature server and user termina
10/03/2012CN102713996A 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
10/03/2012CN102713995A Confidential search system and encryption processing system
10/03/2012CN102713994A Encryption device, encryption method, and program
10/03/2012CN101359350B Methods for secure transaction management and electronic rights protection
10/02/2012CA2419865C Providing secure network access for short-range wireless computing devices
09/2012
09/27/2012WO2012128659A1 Method for marking an object for the purposes of identification
09/26/2012EP2503486A2 Managing file access via a designated storage area
09/26/2012EP2503485A2 Managing file access via a designated storage area
09/26/2012CN102693378A Systems and methods for secure transaction management and electronic rights protection
09/26/2012CN102693376A Method and apparatus for establishing usage rights for digital content to be created in the future
09/25/2012US8275845 System and method for verified contract acceptance
09/25/2012CA2365644C Portable electronic charge and authorization devices and methods therefor
09/25/2012CA2293650C Obfuscation techniques for enhancing software security
09/19/2012EP2500880A1 Handy terminal and payment method used for the handy terminal
09/19/2012CN102687184A Representative calculation system, method, request device, program and recording medium
09/19/2012CN101853354B Application executing device and method
09/18/2012US8270601 Implicit certificate scheme
09/13/2012WO2012121333A1 Secure multiply-accumulate union system, computation device, secure multiply-accumulate union method, and program thereof
09/13/2012WO2012121152A1 Substitute calculation system and method, request device, and program
09/13/2012WO2012121025A1 Random value identification device, random value identification system, and random value identification method
09/13/2012WO2012121024A1 Random value identification device, random value identification system, and random value identification method
09/13/2012WO2012120818A1 Content delivery system, content delivery subsystem and reproduction device
09/13/2012US20120233711 Digital works having usage rights and method for creating the same
09/13/2012US20120233710 Digital works having usage rights and method for creating the same
09/13/2012US20120233709 Digital works having usage rights and methodfor creating the same
09/13/2012US20120233707 Digital works having usage rights and method for creating the same
09/13/2012US20120233469 Hybrid signature scheme
09/12/2012CN102667845A Electronic price-proposing system, electronic price-proposing device, and electronic price-proposing method
09/11/2012US8266437 Electronic vouchers and a system and method for issuing the same
09/11/2012US8265268 Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium
09/11/2012US8264910 Cipher watch
09/05/2012CN101853221B Application executing device, application executing method
09/04/2012US8259945 Communication system, information processing apparatus, information processing method, recording medium and program
08/2012
08/30/2012WO2012115031A1 Search system, search method for search system, information processing device, search program, corresponding keyword management device and corresponding keyword management system
08/30/2012WO2012114604A1 Information-processing device and information-processing program
08/30/2012WO2012114601A1 Information-processing device and information-processing program
08/30/2012US20120219151 Printing system, printing method, terminal, and computer-readable storage medium for computer program
08/29/2012CN101854344B Contents transmitter apparatus, contents reciever apparatus and contents transmitting method
08/29/2012CN101008967B Methods and systems for cryptographically protecting secure content
08/28/2012US8255680 Layer-independent security for communication channels
08/23/2012WO2012111714A1 File server device and file server system
08/23/2012WO2012111559A1 Sensor device and control method thereof
08/23/2012US20120216198 Interpreting i/o operation requests from pageable guests without host intervention
08/22/2012CN1897527B Authentication of data transmitted in a digital transmission system
08/21/2012USRE43599 Data management system
08/21/2012US8250624 Portable device for securing packet traffic in a host platform
08/16/2012WO2012108100A1 Encryption processing system, key generation device, encryption device, decryption device, key delegation device, encryption processing method, and encryption processing program
08/16/2012US20120207304 Method and apparatus for encrypting data in a wireless communication system
08/15/2012EP1653428B1 Elliptic curve encrypting device, elliptic curve encrypting method, elliptic curve encrypting program and computer-readable recording medium recording that program
08/15/2012CN101518112B Techniques for key derivation for secure communication in wireless mesh networks
08/14/2012US8244790 Multiplier and cipher circuit
08/09/2012WO2012105352A1 Block encryption device, decryption device, encryption method, decryption method, and program
08/08/2012CN101176134B 信息处理装置 The information processing apparatus
08/07/2012US8239958 Confirmation method of software and apparatus for executing software
08/02/2012WO2012102203A1 Confidential product-sum computation method, confidential product-sum computation system, computation apparatus, and program for same
08/02/2012WO2012101913A1 Signature processing system, key generation device, signature device, verification device, signature processing method and signature processing program
08/02/2012WO2012030204A3 Ecological moneybox
08/02/2012US20120198571 Digital works having usage rights and method for creating the same
08/02/2012US20120198567 Digital works having usage rights and method for creating the same
08/02/2012US20120198563 Digital works having usage rights and method for creating the same
08/02/2012US20120198562 Digital works having usage rights and method for creating the same
08/02/2012US20120198239 Method and apparatus for input of coded image data
08/02/2012DE102011003393A1 Method for performing inspection of objects e.g. drugs, involves receiving independent requests by test module through communication network to activate test instrument
08/01/2012EP1302047B1 Protocol for secure communication
08/01/2012CN1812323B Local authentication in communication systems
07/2012
07/25/2012CN101868779B Random number generation and management method, and device
07/24/2012US8230483 System, apparatus, program, and method for authentication
07/24/2012CA2457261C Tying a digital license to a user and tying the user to multiple computing devices in a digital rights management (drm) system
07/19/2012WO2012095973A1 Data processing device and data archiving device
07/18/2012EP1788542B1 Encryption device, encryption method, and computer program
07/18/2012CN1941691B Apparatus and method for generating data for detecting false alteration of encrypted data during processing
07/18/2012CN1578216B Information transmitting apparatus and method, information receiving apparatus and method, and information providing system
07/18/2012CN102598574A Block encryption apparatus, block encryption method and program
07/18/2012CN102594547A Apparatus and method for performing transparent output feedback mode cryptographic functions
07/18/2012CN102592500A Code, graph, color, mark and network anti-counterfeiting method
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