| 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) |
|---|
| 04/22/2009 | CN100480990C Monobit-run frequency on-line randomness test |
| 04/22/2009 | CN100480989C Gap average on-line randomness test |
| 04/22/2009 | CN100480988C Randomness test utilizing auto-correlation |
| 04/22/2009 | CN100480947C Conditional access to digital rights management conversion |
| 04/21/2009 | US7523151 Method and apparatus for performing computations using residue arithmetic |
| 04/21/2009 | US7523072 System for controlling the distribution and use of digital works |
| 04/21/2009 | US7523045 Method and apparatus for a cryptographically assisted commercial network system designed to facilitate and support expert-based commerce |
| 04/21/2009 | US7522730 Universal microphone for secure radio communication |
| 04/21/2009 | US7522726 Transmitter device, transmitting method, receiver device, receiving method, communication system, and program storage medium |
| 04/21/2009 | US7520339 Apparatus for achieving integrated management of distributed user information |
| 04/16/2009 | US20090100446 Method and system of external data storage |
| 04/15/2009 | EP2048641A1 Encryption processing device, method for building encryption process algorithm, encryption processing method, and computer program |
| 04/15/2009 | EP2003634A9 Secret code medium |
| 04/15/2009 | CN100479004C File security method |
| 04/14/2009 | US7519822 Method and apparatus for processing descriptive statements |
| 04/14/2009 | US7519666 Data transmission and reception system with accurate time information |
| 04/09/2009 | US20090092246 Calculation apparatus and encrypt and decrypt processing apparatus |
| 04/08/2009 | CN100477579C Method for registering and enabling PKI functionalities |
| 04/08/2009 | CN100476784C User authentication system and data providing system using the same |
| 04/07/2009 | US7516494 Method, apparatus, and system for outputting information and forming image via network, and computer product |
| 04/07/2009 | US7516479 Data communicating apparatus and method for managing memory of data communicating apparatus |
| 04/07/2009 | US7516169 Generating random data |
| 04/07/2009 | US7515711 Methods and apparatuses for encrypting video and for decrypting video |
| 04/02/2009 | US20090088136 Communication system, information processing apparatus, information processing method, recording medium and program |
| 04/01/2009 | EP2043377A1 A sector base station |
| 04/01/2009 | EP2043339A1 Method, device and system implementing multimedia redording |
| 04/01/2009 | EP2043073A1 Method for encrypting and decrypting shared encrypted files |
| 04/01/2009 | CN101401141A Information processing system, information processing method, and information processing program |
| 04/01/2009 | CN101399676A Power saving and handling broadcast as unicast traffic in a wlan |
| 04/01/2009 | CN101398871A Systems and methods for secure transaction management and electronic rights protection |
| 04/01/2009 | CN100474805C Home network device, home network system and method therefor |
| 04/01/2009 | CN100474428C Method for authenticating a data processing apparatus having a recording device and apparatus therefor |
| 04/01/2009 | CN100474323C Tamper resistant device and file generation method |
| 04/01/2009 | CN100474237C Configurable long number calculating unit |
| 03/31/2009 | US7512812 Method of securely erasing data and hard disk drive using the same |
| 03/31/2009 | US7512802 Application authentication system, secure device, and terminal device |
| 03/31/2009 | US7512801 Authentication system, authentication method, signing apparatus, signing method, certifying apparatus, certifying method, and a computer-readable recording medium with a program making a computer execute the method recording therein |
| 03/31/2009 | US7512786 Client-side boot domains and boot rules |
| 03/31/2009 | US7512239 Protection key for hardware and information management system |
| 03/31/2009 | US7512235 Multiple user authentication for online console-based gaming |
| 03/31/2009 | US7512234 Providing location data about a mobile entity |
| 03/31/2009 | US7512231 Computation method for modular exponentiation operation in decryption or signature generation |
| 03/26/2009 | US20090080652 System and method for password generation and storage |
| 03/25/2009 | CN100472545C Method and apparatus for electronic commerce using digital ticket to provide anonymity |
| 03/24/2009 | US7509501 Cryptographic apparatus for supporting multiple modes |
| 03/24/2009 | US7509500 Random number generation for encrypting cellular communications |
| 03/24/2009 | US7509430 Networked video delivery system for displaying data content and video content referenced by the data content |
| 03/24/2009 | US7508939 Image processing system and method for processing image data using the system |
| 03/24/2009 | US7508935 Cryptosystem for data security |
| 03/24/2009 | CA2360887C Method, system, device for proving the authenticity of an entity and/or the integrity and/or the authenticity of a message using specific prime factors |
| 03/19/2009 | WO2009034929A1 Ciphering method, ciphering device, and cipher processing program |
| 03/19/2009 | WO2009034800A1 Remainder multiplication processing device |
| 03/19/2009 | US20090077384 Accelerated signature verification on an elliptic curve |
| 03/18/2009 | EP2037357A2 Montgomery modular multiplier and method thereof using carry save addition |
| 03/18/2009 | CN100471110C Method and apparatus for managing digital rights using portable storage device |
| 03/18/2009 | CN100470653C Method and device for obtaining DVD disc controlled content or information and method for controlling DVD device |
| 03/18/2009 | CN100470606C A method for encrypting and discriminating information based on special transformation |
| 03/18/2009 | CN100470473C Computer system and method for installing software on the same |
| 03/17/2009 | US7506369 Secure federation of data communications networks |
| 03/17/2009 | US7506367 Content management method, and content storage system |
| 03/17/2009 | US7505761 Wireless terminal device, wireless communication method, and computer program |
| 03/17/2009 | US7505587 Elliptic curve cryptosystem apparatus, storage medium storing elliptic curve cryptosystem program, and elliptic curve cryptosystem arithmetic method |
| 03/17/2009 | US7505584 Contents management method, contents management apparatus, and recording medium |
| 03/12/2009 | WO2009031559A1 Impossible difference search device, method, and program |
| 03/12/2009 | US20090070590 Digital signature and authentication method and apparatus |
| 03/11/2009 | EP0861540B1 Apparatus and method for encrypting MPEG packets |
| 03/11/2009 | CN100469073C Providing secure network access for short-range wireless network |
| 03/11/2009 | CN100468482C 随机数字生成器 Random Number Generator |
| 03/10/2009 | US7503060 Reactive system safety verification device, method, program, and recording medium containing the program |
| 03/10/2009 | US7502945 Using a flexible rights template to obtain a signed rights label (SRL) for digital content in a rights management system |
| 03/10/2009 | US7502762 Method and system for commerce with full anonymity |
| 03/10/2009 | US7502467 System and method for authentication seed distribution |
| 03/10/2009 | US7500605 Tamper resistant device and file generation method |
| 03/05/2009 | WO2009028717A1 Random number generating system and method |
| 03/05/2009 | US20090063864 Cryptographic authentication with ephemeral modules |
| 03/04/2009 | EP1297504B1 Method and system for limiting the possibility of transforming data |
| 03/04/2009 | CN101379537A Secure processing device, method and program |
| 03/04/2009 | CN100466863C Mobile communication terminal and the calling method |
| 03/04/2009 | CN100466862C Communication apparatus and display method |
| 03/04/2009 | CN100466861C Anti-theft method for cell phone |
| 03/04/2009 | CN100466860C A method for optimization of distribution user interface instance under the master-slave structure |
| 03/04/2009 | CN100466859C Service QoS ensuring method and device for radio mesh network |
| 03/04/2009 | CN100466858C Wireless communication network expanding system and method |
| 03/04/2009 | CN100466857C Network reprogramming method of wireless sensor network based on priority cluster |
| 03/04/2009 | CN100466856C Internet protocal carried voice user accessing method, positioning device and network equipment |
| 03/04/2009 | CN100466855C A call method and call system |
| 03/04/2009 | CN100466854C Method for selection of an available transmission channel, mobile termination and wireless network |
| 03/04/2009 | CN100466851C Methods and apparatus for identifying asset location in communication networks |
| 03/04/2009 | CN100466849C Method and system for controlling user terminal to read system message |
| 03/04/2009 | CN100466848C Up channel analytical method, up channel abnormal analytical method and system |
| 03/04/2009 | CN100466845C System for efficient recovery of node-B buffered data following MAC layer reset |
| 03/04/2009 | CN100466844C Detecting method and the system for missing matched adjacent zone |
| 03/04/2009 | CN100466838C Mobile communication system, base station controller and the load state testing method thereof |
| 03/04/2009 | CN100466836C A verification method, device and communication system for the identification code of the temporary mobile user |
| 03/04/2009 | CN100466834C Method for enabling subscriber entity to actively communicate in a communication network |
| 03/04/2009 | CN100466832C Group broadcasting member management method for radio local network IP group broadcasting frame transmission |
| 03/04/2009 | CN100466831C Method and apparatus for detecting service style |
| 03/04/2009 | CN100466829C Method, system and MSC server and HLR of processing calling service |
| 03/04/2009 | CN100466828C Call failure handling method and system |
| 03/04/2009 | CN100466825C System and method for realizing advertising media in mobile communication network |