| 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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| 10/13/2009 | US7603313 Charging system and charging method |
| 10/13/2009 | US7602917 Method of ciphering data transmission in a radio system |
| 10/13/2009 | CA2331442C Robust efficient distributed rsa-key generation |
| 10/08/2009 | WO2009122464A1 Coder equipped with common key code function and built-in equipment |
| 10/08/2009 | WO2009122461A1 Encrypting method having countermeasure function against power analyzing attacks |
| 10/07/2009 | EP2107492A1 Method, device, and program for converting data in storage medium |
| 10/07/2009 | EP1261903B2 Method of authenticating users of software |
| 10/07/2009 | CN101553857A Encryption device, encryption method, and computer program |
| 10/07/2009 | CN101553856A Encryption device, encryption method, and computer program |
| 10/06/2009 | CA2426794C Method and system for processing a request of a customer |
| 10/06/2009 | CA2424496C A system for ensuring encrypted communication after handover |
| 10/06/2009 | CA2285872C Digital content protection system |
| 10/06/2009 | CA2243761C Timing attack resistant cryptographic system |
| 10/01/2009 | WO2009119079A1 Data encryption device |
| 10/01/2009 | WO2009118795A1 Encrypting method having tamper-resistance to side-channel attack |
| 10/01/2009 | US20090248582 System to enable a telecom operator provide financial transactions services and methods for implementing such transactions |
| 10/01/2009 | US20090245508 Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium |
| 09/30/2009 | EP1151579B1 Self-generation of certificates using a secure microprocessor in a device for transferring digital information |
| 09/30/2009 | CN101546494A Superposition algorithm dynamic password |
| 09/30/2009 | CN101546493A Method for encrypting, compiling and reading characters and graphs |
| 09/30/2009 | CN101546492A Combined password input method |
| 09/30/2009 | CN100546243C Data sharing method, request processing method and apparatus |
| 09/29/2009 | US7596297 Information processing apparatus and method program, and recording medium |
| 09/24/2009 | WO2009116953A2 Method and system for embedding covert data in a text document using space encoding |
| 09/23/2009 | EP2104331A1 Image processing apparatus and image processing method for partial encryption of image blocks |
| 09/23/2009 | EP0872077B1 Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
| 09/23/2009 | CN101542558A Encryption device, decryption device, encryption method, and integrated circuit |
| 09/23/2009 | CN101542557A 信息安全装置 Information security apparatus |
| 09/23/2009 | CN101540823A Image processing apparatus and image processing system and method |
| 09/23/2009 | CN101540680A Content transmission apparatus, content reception apparatus and content transmission method |
| 09/22/2009 | US7594275 Digital rights management system |
| 09/22/2009 | US7594261 Cryptographic applications of the Cartier pairing |
| 09/17/2009 | US20090235340 Identification management system for electronic device authentication |
| 09/17/2009 | US20090232306 Communication system and communication method |
| 09/17/2009 | US20090232303 Copy Protection Method for Digital Data Stored on a Medium |
| 09/16/2009 | EP2100405A2 Combinational combiner cryptographic method |
| 09/16/2009 | CN101536062A Encryption device, encryption method, and computer program |
| 09/16/2009 | CN100541419C AES mixcolumn transform |
| 09/15/2009 | US7590851 Confirmation method of software and apparatus for executing software |
| 09/15/2009 | US7590842 Service providing system and authentication system, as well as signature generating apparatus, service utilizing apparatus and verification apparatus |
| 09/15/2009 | US7590591 Electronic value exchange system and electronic value exchange method |
| 09/15/2009 | CA2360785C Multiple level public key hierarchy for performance and high security |
| 09/11/2009 | WO2009110107A1 Information system for detecting and preventing invalid use of shared information |
| 09/10/2009 | US20090228880 Confirmation method of software and apparatus for executing software |
| 09/09/2009 | CN101526982A Data processing method and the device thereof |
| 09/09/2009 | CN100539497C Method for identifying content provider and ensuring content integrity |
| 09/08/2009 | US7587593 Electronic device and method for updating authentication reference information |
| 09/08/2009 | US7586939 Mobile IP communication scheme for supporting mobile computer move over different address spaces |
| 09/03/2009 | WO2009107650A2 Scalar multiplication method, raising method, recording medium where scalar multiplication program is recorded, and recording medium where raising method program is recorded |
| 09/03/2009 | WO2009107442A1 Server authentication system, server authentication method, and server authentication program |
| 09/03/2009 | WO2009107351A1 Information security device and information security system |
| 09/03/2009 | US20090222674 Application executing device, managing method, and program |
| 09/03/2009 | US20090222672 Integrated Circuit That Uses A Dynamic Characteristic Of The Circuit |
| 09/03/2009 | DE10347456B4 Digitales Wasserzeichen mit variabler Position Digital watermarks with variable position |
| 09/02/2009 | EP2096876A1 Method and device for testing service type |
| 09/02/2009 | EP2096616A1 Encryption device, encryption method, and computer program |
| 09/02/2009 | EP1485783A4 Method and apparatus for secure mobile transaction |
| 09/02/2009 | CN101521504A Implementation method for reversible logic unit used for low power consumption encryption system |
| 09/02/2009 | CN101520966A Method and apparatus for optimizing advanced encryption standard encryption and decryption in parallel modes of operation |
| 09/02/2009 | CN101520965A Combining instructions including an instruction that performs a sequence of transformations to isolate one transformation |
| 09/02/2009 | CN100535962C Encryption system, encryption device, decryption device, program, and integrated circuit |
| 09/01/2009 | US7584358 Tamper resistant module certification authority |
| 08/27/2009 | WO2009104260A1 Verifying device |
| 08/26/2009 | EP1479000B1 Random number generation according to randomness test utilizing auto-correlation |
| 08/26/2009 | EP1125419B1 An agile network protocol for secure communications with assured system availability |
| 08/26/2009 | CN101518112A Techniques for key derivation for secure communication in wireless mesh networks |
| 08/26/2009 | CN101515937A Secure federation of data communication networks |
| 08/26/2009 | CN101515419A Digital cipher language |
| 08/26/2009 | CN100534181C Increasing integrity of watermarks using robust features |
| 08/26/2009 | CN100533550C Music content applicator able to manage copy for music content and the method |
| 08/26/2009 | CN100533460C Information communication device, information communication system |
| 08/26/2009 | CN100533426C Electronic musical system and electronic music play method |
| 08/25/2009 | US7581111 System, method and apparatus for transparently granting access to a selected device using an automatically generated credential |
| 08/25/2009 | US7581099 Secure object for convenient identification |
| 08/20/2009 | US20090210945 Personal Information/Confidential Information Managing System And Personal Information/Confidential Information Managing Method |
| 08/20/2009 | US20090207997 Elliptic curve cryptosystem apparatus, storage medium storing elliptic curve cryptosystem program and elliptic curve cryptosystem arithmetic method |
| 08/19/2009 | EP1467297B1 Method of sending and validating documents |
| 08/19/2009 | CN101512620A Encryption device, encryption method, and computer program |
| 08/19/2009 | CN101512619A Encryption device, encryption method, and computer program |
| 08/19/2009 | CN101512618A Data conversion device, data conversion method, and computer program |
| 08/19/2009 | CN100530275C Information processing device, printing device, print data transmission method, printing method, |
| 08/19/2009 | CN100530025C Method and device for processing data |
| 08/18/2009 | US7577999 Publishing digital content within a defined universe such as an organization in accordance with a digital rights management (DRM) system |
| 08/18/2009 | US7577659 Interoperable credential gathering and access modularity |
| 08/13/2009 | US20090205030 Controlling Access to a Process Using a Separate Hardware Device |
| 08/12/2009 | EP2088745A1 Secure federation of data communication networks |
| 08/12/2009 | EP1177687B1 Method of for providing secure communication of digital data between devices |
| 08/12/2009 | CN201289713Y Decipher circuit for multilayer rolling code |
| 08/12/2009 | CN101507178A Data processing system, data processing method, and program |
| 08/12/2009 | CN101505299A Content transmission apparatus and content reception apparatus |
| 08/12/2009 | CN101504707A Conditional access to digital rights management conversion |
| 08/12/2009 | CN100527142C Information server, information device, information processing system, information processing method, and information processing program |
| 08/12/2009 | CN100527072C Device and method for carrying out montgomery mode multiply |
| 08/11/2009 | US7574605 Method of managing digital signature, apparatus for processing digital signature, and a computer readable medium for recording program of managing digital signature |
| 08/11/2009 | US7574602 Information-processing device, information-processing method, and information-processing program product |
| 08/11/2009 | US7574440 Information processing apparatus, and method for retaining security |
| 08/06/2009 | US20090199288 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 |
| 08/06/2009 | US20090199259 Service gateway for interactive television |
| 08/06/2009 | US20090199005 Authentication device, mobile terminal, and authentication method |
| 08/05/2009 | EP2085895A1 Apparatus, method and system for multiple resolution affecting information access |