Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
06/2003
06/05/2003US20030103655 Method and system for user registration using processing sensor
06/05/2003US20030103654 Method and system for user registration using coded marks
06/05/2003US20030103628 Diversification of a single integrated circuit identifier
06/05/2003US20030103625 Method for Calculating Cryptographic Key Check Data
06/05/2003US20030103240 Relay device for use with sensor with identifier
06/05/2003US20030102959 Process for securing the privacy of data transmission
06/05/2003US20030102493 Regeneration of a secret quantity from an intergrated circuit identifier
06/05/2003US20030102370 Business card as electronic mail token for use with sensor having an identifier
06/05/2003US20030102366 Computer system control via interface surface and sensor with identifier
06/05/2003CA2468622A1 Method for registering and enabling pki functionalities
06/05/2003CA2467905A1 Authentication of a mobile telephone
06/04/2003EP1317096A2 Method for determining a symmetric key over an insecure channel and for digitally signing a message transmitted between a first and a second device
06/04/2003EP1316903A1 Electronic trading server, seller client, buyer client, and electronic trading method
06/04/2003EP1316618A2 Nucleic acids for marking objects
06/04/2003EP1316215A2 A pay-per use system over a serial bus
06/04/2003EP1316171A1 Person-centric account-based digital signature system
06/04/2003EP1316170A2 Method and apparatus for medium access control in powerline communication network systems
06/04/2003EP1316168A1 Method and system for using electronic communications for an electronic contact
06/04/2003EP1316076A2 Code identification method and system
06/04/2003EP1281254A4 Cryptographic system for data encryption standard
06/04/2003CN1422492A System for scrambling content, and system for descrambling scrambled content
06/04/2003CN1422399A System and process for storing securely secret information, apparatus and server to be used in such a system and method for distribution of a digital content
06/04/2003CN1422050A Short message filtering supervision gateway and method
06/04/2003CN1422039A Distributed hacker tracking system in controllable computer network
06/04/2003CN1422035A Cipher key exchange equipment, method, program and recording medium for recording the same program
06/04/2003CN1422034A Utilization of symmetrical cipher for network digital signature
06/04/2003CN1422033A Personal information secrety keeping method
06/04/2003CN1110924C Safety transmission method in telecommunication network
06/04/2003CN1110923C Manufacturing method of video CD with sequencial playing
06/04/2003CN1110910C System and method for near-field human-body coupling of encrypted communication with identification cards
06/03/2003US6574733 Centralized secure backup system and method
06/03/2003US6574731 Transmitting data words
06/03/2003US6574730 User authentication in a communications network
06/03/2003US6574661 Integrated proxy interface for web based telecommunication toll-free network management using a network manager for downloading a call routing tree to client
06/03/2003US6574611 Information processing apparatus and method, information management apparatus and method, and information providing medium
06/03/2003US6574609 Secure electronic content management system
06/03/2003US6574466 Method of securing transmission of information utilizing time variant techniques with error detecting code
05/2003
05/30/2003WO2003045106A1 Encrypting a pseudo-noise (pn) sequence before spreading a communication signal
05/30/2003WO2003045036A2 Key management protocol and authentication system for secure content delivery over the internet
05/30/2003WO2003045004A1 Secure package system and method
05/30/2003WO2003044721A2 Transaction card system having security against unauthorized usage
05/30/2003WO2003044672A1 Information providing program, information use program and information providing/using system
05/30/2003WO2003019449A3 Digitally watermarking checks and other value documents
05/30/2003WO2003015367A3 System and method for processing encoded messages
05/30/2003WO2002091131A3 Modifying an electronic mail system to produce a secure delivery system
05/30/2003WO2002041545A9 Wireless clock synchronization
05/30/2003WO2002031797A9 Method for verifying answers input into a quiz computer
05/30/2003CA2725655A1 Access and control system for network-enabled devices
05/30/2003CA2467540A1 Transaction card system having security against unauthorized usage
05/30/2003CA2467353A1 Key management protocol and authentication system for secure internet protocol rights management architecture
05/29/2003US20030101349 Method of using cryptography with biometric verification on security authentication
05/29/2003US20030101346 Method for notarizing receipt of electronic communications and enabling electronic registered mail; method for verifying identity of account party
05/29/2003US20030101345 Subscriber authentication
05/29/2003US20030101344 Establishing Initial PuK-Linked Account Database
05/29/2003US20030101142 Information recording apparatus, information reproducing apparatus, and information distribution system
05/29/2003US20030099363 Information recording medium, manufacturing method of its recording medium, information process unit and copyright management system
05/29/2003US20030099362 Method and apparatus for WEP key management and propagation in a wireless system
05/29/2003US20030099361 Key exchange apparatus, method, program, and recording medium recording such program
05/29/2003US20030099360 Time-based encryption key
05/29/2003US20030099358 Wireless data communication method and apparatus for software download system
05/29/2003US20030099354 Dynamic copy protection of optical media
05/29/2003US20030099352 Apparatus for encryption and decryption, capable of use in encryption and decryption of advanced encryption standard
05/29/2003US20030098997 Method and system for delivery of a facsimile using coded marks
05/29/2003US20030098345 Method and apparatus for recording content containing watermark
05/28/2003EP1315356A2 Method for transmitting packet data in compressed form in a communication system
05/28/2003EP1315336A1 Method for pushing information from a host system to a mobile data communication device
05/28/2003EP1314286A2 Method and apparatus for ensuring security of users of bluetooth-enabled devices
05/28/2003EP1314156A2 Protecting content from illicit reproduction by proof of existence of a complete data set
05/28/2003EP1314125A2 Method and system of securely collecting, storing, and transmitting information
05/28/2003EP1314077A2 Mobile electronic transaction personal proxy
05/28/2003EP1314075A2 System and method for distributing data
05/28/2003EP1230627B1 Method and system for ordering and delivering digital certificates
05/28/2003EP0850523A4 Document authentication system and method
05/28/2003CN1421110A System and method for providing access to wireless communication service to group of subscribers who share set of modems
05/28/2003CN1421108A Frame synchronization mechanism
05/28/2003CN1421097A System for providing scrambled content, and system for descrambling scrambled content
05/28/2003CN1421080A Sychronization of session keys
05/28/2003CN1421000A Generating key hierarchy for use in isolated execution environment
05/28/2003CN1420659A Method and apparatus for authenticating and veritying user and computer over network
05/28/2003CN1420480A Data processing apparatus and method
05/28/2003CN1420443A Application program package and system for allowing user to use and publish same based on conditions
05/28/2003CN1110212C Dynamic cipher wireless transmission method
05/28/2003CN1110201C Method and apparatus for scrambling and descrambling of video signals
05/28/2003CA2412348A1 Key exchange apparatus, method, program, and recording medium recording such program
05/27/2003US6571344 Method and apparatus for authenticating time-sensitive interactive communications
05/27/2003US6571334 Apparatus and method for authenticating the dispatch and contents of documents
05/27/2003US6571254 Method and apparatus for accessing an object, and storage medium storing a program for controlling access to an object
05/27/2003US6571099 Cell searching method in asynchronous wideband code division multiple access system
05/27/2003US6570989 Cryptographic processing apparatus, cryptographic processing method, and storage medium storing cryptographic processing program for realizing high-speed cryptographic processing without impairing security
05/27/2003US6570988 Simple technique for implementing a cryptographic primitive using elementary register operations
05/22/2003WO2003043310A1 Ca system for broadcast dtv using multiple keys for different service providers and service areas
05/22/2003WO2003043263A1 Control of usage of contents in digital broadcasts
05/22/2003WO2003042880A1 Information processing apparatus and method, and information processing system and method
05/22/2003WO2003042799A2 Device and method with reduced information leakage
05/22/2003WO2003042798A2 Methods, apparatus and computer programs performing a mutual challenge-response authentication protocol using operating system capabilities
05/22/2003WO2003021860A3 Method and apparatus for constructing digital certificates
05/22/2003WO2003001339A3 A security architecture for a process control platform executing applications
05/22/2003WO2002100062A3 Security in area networks
05/22/2003WO2002077747A3 Distributed, scalable cryptographic access control
05/22/2003WO2002059728A3 Method and system for obtaining digital signatures