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)
11/2006
11/15/2006	CN1863162A Method and apparatus for processing direct connected network route
11/15/2006	CN1863161A Method for processing service
11/15/2006	CN1863160A Method and system for implementing communication between wireless network controllers
11/15/2006	CN1863145A Method for correcting service quality in interworking WLAN
11/15/2006	CN1285195C Method for creating a virtual private network through a public network
11/15/2006	CN1285191C Public-key signature methods and systems
11/15/2006	CN1285054C Image formatting device
11/15/2006	CN1285020C Display card for increasing video play smooth degree
11/14/2006	US7137140 Transaction verification
11/14/2006	US7137010 Method for obtaining a solution of an optimization problem
11/14/2006	US7137007 Device and method for authenticating user's access rights to resources
11/14/2006	US7136998 System and method for managing changes in a public key certificate directory
11/14/2006	US7136892 Method for multiplying two factors from the Galois field and multiplier for performing the method
11/14/2006	US7136078 Connection device capable of mixing an RGB graphics signal and a YUV video signal and related method
11/14/2006	US7134604 Non-contact IC card
11/09/2006	WO2006118092A1 Information security device and elliptic curve operating device
11/09/2006	WO2006118086A1 Program converter, encrypting device, and encrypting method
11/09/2006	DE102004028913B4 Verfahren und Vorrichtung zum codierten Speichern von Zeichenketten Method and apparatus for storing coded character strings
11/08/2006	EP1720144A1 Method and device for calculating a function from a plenty of inputs
11/08/2006	CN1860789A Moving image distribution system, moving image dividing system, moving image distribution program, moving image dividing program, and recording medium storing moving image distribution program and/or
11/08/2006	CN1859237A Method, system, device for detecting service quality, and charging and fault detecting system
11/08/2006	CN1858824A Converting method for character string and method for forming and identifying intelligent net service card
11/08/2006	CN1284325C System and method for providing safety archiving of trade record on network
11/08/2006	CN1284301C Digital information signal recording method and recording medium
11/07/2006	US7134024 Method of establishing the trustworthiness level of a participant in a communication connection
11/07/2006	US7134021 Method and system for recovering the validity of cryptographically signed digital data
11/07/2006	US7133930 Agile network protocol for secure communications with assured system availability
11/07/2006	US7133846 Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
11/02/2006	WO2006115219A1 Program illegiblizing device and method
11/02/2006	US20060248348 Image data verification
11/02/2006	US20060248016 Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights management
11/02/2006	EP1717710A1 Recording/reproduction device and content protection system
11/01/2006	CN1856050A 图像显示系统 The image display system
11/01/2006	CN1855881A Method for dynamically sharing space of memory
11/01/2006	CN1855880A Data read/write device and method
11/01/2006	CN1855175A 随机数字生成器 Random Number Generator
11/01/2006	CN1855029A Graphics card for smoothing the playing of video
11/01/2006	CN1283127C Apparatus and method for processing data call in private wireless high-speed data system
11/01/2006	CN1283103C Duplicating protective system and method for digital signal
11/01/2006	CN1283102C Duplicating protective system and method for digital signal
10/2006
10/31/2006	US7131010 Data processing system, data processing method, data processing apparatus, and program providing medium
10/31/2006	US7131008 Mechanism for dynamically constructing customized implementations to enforce restrictions
10/31/2006	US7131002 Authentication method, authentication system, semiconductor circuit and authentication module
10/31/2006	US7130426 Digital data file encryption apparatus and method and recording medium for recording digital data file encryption program thereon
10/26/2006	WO2006112481A1 Terminal device automatically receiving electronic gift, security device, information providing method for providing requested electronic information together with electronic gift, and information server
10/26/2006	WO2006112114A1 Data encryption device and data encryption method
10/26/2006	US20060242413 Certificate validity authentication method and apparatus
10/26/2006	US20060242075 Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing and rights management
10/25/2006	EP1504596A4 High-resolution image projection
10/25/2006	EP1454449A4 Methods and apparatus for secure distribution of program content
10/25/2006	EP1320953A4 Method and apparatus for access authentication entity
10/25/2006	EP1034638A4 Data dissemination system for computer networks
10/25/2006	CN1852424A Flow-medium performance ordering method
10/25/2006	CN1852293A Method and system for requsting to read user registration state
10/25/2006	CN1852269A Method for realizing two-directional interacting of circuit zone and grouping zone, and system therefor
10/25/2006	CN1852249A Multi-cast broadcasting business realizing method
10/25/2006	CN1852169A Method and system for centralized management of multiple functional units
10/25/2006	CN1852132A Maintenance method for network apparatus
10/25/2006	CN1851788A Password setting metod
10/25/2006	CN1282325C Cryptographic system and method with fast decryption
10/25/2006	CN1282323C Method and device for effective key length control
10/25/2006	CN1282321C 数据传送系统 Data transmission system
10/25/2006	CN1282320C Method and system of dynamic transformation of encrypted material
10/24/2006	US7127620 Power analysis resistant coding device
10/24/2006	US7127616 Semiconductor integrated circuits, data transfer systems, and the method for data transfer
10/19/2006	WO2006109640A1 Content distribution server and content distribution system using the same
10/19/2006	WO2006109494A1 Semiconductor device, and ic card having the device
10/19/2006	WO2006109393A1 Sequential content distribution device, sequential content reception device, and method thereof
10/19/2006	US20060235793 Method and apparatus for a cryptographically-assisted commerical network system designed to facilitate and support expert-based commerce
10/19/2006	US20060233364 Fine-grained forward-secure signature scheme
10/19/2006	US20060233193 Time-triggered communication system and method for the synchronized start of a dual-channel network
10/18/2006	EP1287641B1 A method of validating an encrypted message
10/18/2006	CN1849581A Method and system for conditional installation and execution of services in a secure computing environment
10/18/2006	CN1847132A Elevator nonitoring system, elevator monitoring arrangement, and code signature
10/18/2006	CN1281023C Method for block-encryption of discrete data
10/18/2006	CN1280755C System LSI and electronic apparatus
10/18/2006	CN1280738C Data storage apparatus
10/17/2006	US7124443 Information transaction system
10/17/2006	US7124189 Spontaneous virtual private network between portable device and enterprise network
10/17/2006	US7123720 Key scheduler for encryption apparatus using data encryption standard algorithm
10/17/2006	US7122539 lower gastrointestinal and cardiovascular side effects; use in treatment of respiratory system disorders, as tokolitics and as antiallergics, for eye applications.
10/12/2006	US20060230435 Mutual authentication system between user and system
10/12/2006	US20060227970 Image display system
10/11/2006	EP1710954A1 Group signature system, method, device, and program
10/11/2006	EP1710950A1 Information processing device and method
10/11/2006	EP1710781A2 Image display system
10/11/2006	EP1710688A2 Tamper resistant device and file generation method
10/11/2006	EP1261903B1 Method of authenticating users of software
10/11/2006	CN1845525A Master-slave device system
10/11/2006	CN1845496A Flame-proof and intrinsically safe type industrial Ethernet ring exchanger for mine
10/11/2006	CN1845214A Non-linear orthormorphism maker capable of random replacing
10/11/2006	CN1845213A Method for realizing encryption/decryption processing in SMS4 cipher algorithm
10/11/2006	CN1279535C Content distribution server and method for managing user terminal
10/10/2006	US7120797 Methods for authenticating potential members invited to join a group
10/10/2006	US7120660 Method of and apparatus for modular multiplication
10/10/2006	US7120604 Method of controlling digital content distribution, a method of reproducing digital content, and an apparatus using the same
10/10/2006	US7120555 Signal statistics determination
10/10/2006	CA2244126C Procedure and device for loading input data into an algorithm during authentication
10/05/2006	WO2006103867A1 Information processing device
10/05/2006	WO2006103851A1 Power value generation device

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