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)
01/2011
01/18/2011US7873834 Image forming apparatus, storage medium storing program for acquiring time stamp, digital data management system, and method for acquiring time stamp
01/12/2011EP2273472A1 Coder equipped with common key code function and built-in equipment
01/12/2011CN1973483B Communication apparatus and authenticating method
01/12/2011CN1610292B Interoperable credential gathering and access method and device
01/12/2011CN101944246A System and method for acoustic two factor authentication.
01/11/2011US7870261 Information processing device, an information processing method, and a computer program to securely connect clients on an external network to devices within an internal network
01/11/2011US7869592 Calculation apparatus and encrypt and decrypt processing apparatus
01/11/2011US7868899 3-D graphics texturing system using encrypted textures
01/06/2011WO2011001630A1 Data exchange processing device and data exchange processing method
01/06/2011WO2011000444A1 Quantum repeater and system and method for creating extended entanglements
01/04/2011US7865667 Multi-core multi-thread processor
01/04/2011US7865557 System and method for verifying delivery and integrity of electronic messages
01/04/2011US7865438 Electronic value exchange method, user device, and third-party device
01/04/2011US7864950 Block encryption device using auxiliary conversion
12/2010
12/30/2010US20100329456 Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method
12/29/2010WO2010148448A1 Method and system for generating a visual key
12/29/2010EP1732052B1 Computer system, computer program, and addition method
12/29/2010CN1881880B Authentification of data in a digital transmission system
12/29/2010CN101933066A Genuine&counterfeit certification member
12/29/2010CN101933028A Authenticatable mark, systems for preparing and authenticating the mark
12/28/2010USRE42019 Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method
12/28/2010US7861283 User position utilization system
12/28/2010US7861096 Method, apparatus, and program product for revealing redacted information
12/28/2010US7861084 Authentication of data transmitted in a digital transmission system
12/28/2010US7860248 Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method
12/28/2010US7859600 Arrangement for and method of projecting a level image
12/23/2010WO2010146666A1 Information processing device, data processing method and program
12/23/2010WO2010123151A3 Pairing arithmetic device, pairing arithmetic method and recording medium having pairing arithmetic program recorded thereon
12/22/2010EP2264941A1 Signature and verification method, signature generation device, and signature verification device
12/22/2010EP2264939A1 Encrypting method having countermeasure function against power analyzing attacks
12/22/2010EP2264637A2 Information processing apparatus and method for installing an encrypted program in key implemented system
12/22/2010EP1125414B1 Network protocol for secure communications
12/22/2010CN1912885B Systems and methods for secure transaction management and electronic rights protection
12/22/2010CN1883155B Randomized modular reduction method and hardware therefor
12/22/2010CN101925942A Verifying device
12/22/2010CN101923802A Sequential cipher realization method and device
12/21/2010US7856557 Authentication of data in a digital transmission system
12/15/2010EP2262163A2 Method of and apparatus for encrypting signals for transmission
12/15/2010EP2261829A2 System for controlling the distribution and use of digital works
12/15/2010EP0872080B1 Multi-step digital signature method and system
12/14/2010US7853798 Program tamper detecting apparatus, method for program tamper detection, and program for program tamper detection
12/14/2010US7853016 Signature schemes using bilinear mappings
12/09/2010US20100309830 Radio communication system and method having a radio link control layer
12/09/2010DE3432651B3 Method for encrypted transmission, involves generating binary word for each set of messages, where different message keys are determined from word by cryptographic algorithm
12/08/2010EP2259490A2 Information Providing System, Information Providing Apparatus and Method, and Information Processing Apparatus and Method
12/08/2010EP2259489A2 Information providing system, information providing apparatus and method, and information processing apparatus and method
12/08/2010CN1611093B Method and system for performing safe wireless communicaiton using spread spectrum principle
12/08/2010CN1610296B Method for identifying executable code securely to authentication entity
12/08/2010CN101911153A Secure computing system
12/08/2010CN101911089A Information processing device, disc, information processing method, and program
12/08/2010CN101479774B Cipher processing apparatus, data converting method, data converting program, recording medium and integrated circuit
12/08/2010CN101112035B File encryption/decryption method and device
12/07/2010US7848522 Method for authenticating a user in a terminal, an authentication system, a terminal, and an authorization device
12/07/2010US7848521 Transmitting and processing protected content
12/07/2010US7848281 Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station, mobile terminal and mobile radio network
12/02/2010WO2010137508A1 Signature device, signature verification device, anonymous authentication system, signing method, signature authentication method, and programs therefor
11/2010
11/30/2010US7844818 Authentication apparatus and method for home network devices
11/30/2010CA2416304C System and method of verifying the authenticity of dynamically connectable executable images
11/30/2010CA2408437C Method and apparatus for managing secure collaborative transactions
11/25/2010US20100299520 Communication system and method in public key infrastructure
11/25/2010US20100296652 Information recording medium, information processing apparatus, information processing method, and computer program
11/23/2010US7840818 System, method, and device for playing back recorded content
11/23/2010US7840805 Method of and apparatus for providing secure communication of digital data between devices
11/23/2010US7840803 Authentication of integrated circuits
11/23/2010US7839894 Radio communication system and method having a radio link control layer
11/23/2010CA2494078C Groups signature scheme
11/23/2010CA2461804C A method for authenticating a user in a terminal, an authentication system, a terminal, and an authorization device
11/23/2010CA2392779C Process for preparing (cyclo)aliphatic isocyanates
11/18/2010WO2010131563A1 Tag generating device, tag verification device, communication system, tag generating method, tag verification method, and recording medium
11/18/2010US20100293013 Method and system for ordering, loading and using admission tickets
11/18/2010US20100290619 Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method
11/17/2010CN101888294A Hash functions DIHA256 and DIHA512
11/16/2010USRE41942 Digital data file encryption apparatus and method and recording medium for recording digital data file encryption program thereon
11/16/2010US7836507 Contents transmitter apparatus, contents receiver apparatus and contents transmitting method
11/16/2010US7836482 Information management system
11/16/2010US7835995 Large capacity data sales mediation server and terminal
11/16/2010US7835519 Mini time key creation memory medium and system
11/16/2010CA2533738C System, method and computer-readable medium for distributing moving image files with a commercial message file
11/16/2010CA2480749C Method and system for re-authentication in ip multimedia core network system (ims)
11/11/2010WO2010127723A1 Quantum repeater and system and method for creating extended entanglements
11/10/2010EP2249511A1 Information security device and information security system
11/10/2010EP2249326A1 Scalar multiplication method, raising method, recording medium where scalar multiplication program is recorded, and recording medium where raising method program is recorded
11/10/2010EP1346573B1 Conditional access system
11/10/2010CN101883243A Partial encryption and PID mapping
11/09/2010US7831841 Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method
11/09/2010US7831824 Hallmarking verification process and system and corresponding method of and system for communication
11/09/2010US7831650 Method for modular multiplication
11/09/2010US7831040 DES hardware throughput for short operations
11/09/2010CA2419853C Location-independent packet routing and secure access in a short-range wireless networking environment
11/04/2010WO2010126153A1 Wireless communication apparatus and wireless communication method
11/03/2010CN1892870B Reproduction control method and equipment
11/03/2010CN1531240B Encrypted device for supporting multimode
11/03/2010CN101877195A Password protection method
11/02/2010US7827616 Decoding apparatus
11/02/2010US7827413 Extraction of a private datum to authenticate an integrated circuit
11/02/2010US7826076 System and method for providing secure value-added document network services
11/02/2010CA2505460C Device authentication
10/2010
10/28/2010WO2010123117A1 Finite field calculation apparatus, finite filed calculation method, program, and recording medium
10/28/2010WO2010123114A1 Secret distribution system, distribution device, distribution management device, acquisition device, processing methods for said devices, secret distribution method, program, and recording medium
10/28/2010WO2010123112A1 Encoding apparatus, decoding apparatus, encoding method, decoding method, security method, program, and recording medium
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