Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
11/2002
11/20/2002EP1258100A1 System and method for secure cryptographic communications
11/20/2002EP1258092A1 System and method for protecting data streams in hardware components
11/20/2002EP1257974A1 Method of authenticating a tag
11/20/2002EP1257952A1 Method of conducting transactions over a network
11/20/2002EP1257921A1 Watermark encoder and decoder enabled software and devices
11/20/2002EP1257892A1 Controlling access to a resource by a program using a digital signature
11/20/2002EP1242939A4 System and method for providing payment services in electronic commerce
11/20/2002EP1099204B1 Access system for vehicles
11/20/2002EP1076886B1 Method for carrying out a secure transaction using a smart card via a telecommunication network
11/20/2002EP1010320B1 Broadcast receiving system comprising a computer and a decoder
11/20/2002CN1381138A Authentication and authorization epoch
11/20/2002CN1381136A Authorization using ciphertext tokens
11/20/2002CN1381130A Access control process
11/20/2002CN1381129A Authentication and/or authorization load
11/20/2002CN1381050A Recordable storage medium with protected data area
11/20/2002CN1381023A Identifying material
11/20/2002CN1380804A Method for building-up radio carrier in mobile communication system
11/20/2002CN1380768A Open processing method of credit information in network electronic session and its system
11/20/2002CN1380767A Shared key factor structure and shared key calculation
11/20/2002CN1380766A 密钥交换与密钥传递方案 Key exchange and key delivery program
11/19/2002US6484258 Access control using attributes contained within public key certificates
11/19/2002US6483930 Iris imaging telephone security module and method
11/19/2002US6483927 Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes
11/19/2002US6483921 Method and apparatus for regenerating secret keys in Diffie-Hellman communication sessions
11/19/2002US6483920 Key recovery process used for strong encryption of messages
11/19/2002US6483919 Method and arrangement for establishing an encrypted mobile connection
11/19/2002US6483918 Technique for producing a parameter, such as a checksum, through a primitive that uses elementary register operations
11/19/2002US6483425 System for enhancing the security of a bi-directional data transmission system controlling access to an enclosed space, notably a vehicle
11/19/2002CA2280775C Cyclotomic polynomial construction of discrete logarithm cryptosystems over finite fields
11/19/2002CA2264912C Method and system for establishing and maintaining user-controlled anonymous communications
11/14/2002WO2002091743A2 Encoding and decoding methods for secure scalable streaming and related systems
11/14/2002WO2002091704A2 Secure remote subscription module access
11/14/2002WO2002091669A1 Device for digitally signing electronic documents
11/14/2002WO2002091668A2 Method and system for data integrity protection
11/14/2002WO2002091667A1 Method of encrypting, transmitting and decrypting of information in public networks
11/14/2002WO2002091666A1 Hopscotch ticketing
11/14/2002WO2002091665A2 Method and system for secure transcoding
11/14/2002WO2002091664A1 Ring-based signature scheme
11/14/2002WO2002091663A1 System and method for privacy protection in a service development and execution environment
11/14/2002WO2002091647A1 Frame number synchronization for encrypted wireless communication
11/14/2002WO2002091377A1 Method and apparatus for decrypting encrypted data stored on a record carrier
11/14/2002WO2002091311A1 Smart card access control system
11/14/2002WO2002091213A1 Cracker tracing system and method, and authentification system and method using the same
11/14/2002WO2002091167A1 Random number generator
11/14/2002WO2002091143A2 A keypad device security system and method
11/14/2002WO2002091131A2 Modifying an electronic mail system to produce a secure delivery system
11/14/2002WO2002047356A3 Method of secure transmission of digital data from a source to a receiver
11/14/2002WO2001073527A3 Method and system for copy protection in a multi-level content distribution system
11/14/2002WO2001033768A9 Apparatus and method for secure field upgradability
11/14/2002US20020170053 ECM and EMM distribution for multimedia multicast content
11/14/2002US20020169973 Copy protection method and system for digital media
11/14/2002US20020169972 Information storage medium, information processing system, content distribution server, methods and programs therefor, and storage medium for such programs
11/14/2002US20020169971 Data authentication system
11/14/2002US20020169970 Secure time reference for content players
11/14/2002US20020169968 Microprocessor configuration with encryption
11/14/2002US20020169965 Clearance-based method for dynamically configuring encryption strength
11/14/2002US20020169964 Procedure and device for generating a signature
11/14/2002US20020169961 Method and apparatus for serving content from a semi-trusted server
11/14/2002US20020169960 Storage device including a non-volatile memory
11/14/2002US20020168960 One-way roaming from ANS-41 to GSM systems
11/14/2002US20020168070 Method and apparatus for decrypting encrypted data stored on a record carrier
11/14/2002US20020168068 Method of and system for encrypting digital data, method of and apparatus for reproducing digital data, and computer product
11/14/2002DE10121867A1 Cryptography based on new core with source key and implementable key involves converting source key of any length and structure to implementable key of fixed length, structure
11/14/2002DE10111756A1 Verfahren zur Authentikation Method for authentication
11/13/2002EP1257143A1 One-way roaming from ANS-41 to GSM systems
11/13/2002EP1257084A1 Message authentication system and method
11/13/2002EP1257083A2 A digital signature verification apparatus
11/13/2002EP1257082A2 A computer useable product for generating data encryption/decryption apparatus
11/13/2002EP1256906A2 Image processing method
11/13/2002EP1256865A2 System and method for securely upgrading firmware
11/13/2002EP1256203A2 Encoding method and system resistant to power analysis
11/13/2002EP1256202A2 Method and system for resistance to statistical power analysis
11/13/2002EP1256201A2 Method and apparatus for balanced electronic operations
11/13/2002EP1222073A4 Printer consumable cartridge with air filter
11/13/2002EP1027658A4 Validation gateway
11/13/2002CN1379955A System and method for verifying authorization for communicating protected content
11/13/2002CN1379938A Method for distributing keys among number of secure devices, method for communicating with number of secure devices, security system, and set of secure devices
11/13/2002CN1379893A Distribution of certifiers
11/13/2002CN1379889A Business card as electronic mail token
11/13/2002CN1379888A Business card as electronic mail token
11/13/2002CN1379870A Method and system for object selection
11/13/2002CN1379394A Optical disc, optical disc barcode forming method, optical disc replay device, mark forming device, method of forming laser mark on optical disc
11/12/2002US6480963 Network system for transporting security-protected data
11/12/2002US6480960 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
11/12/2002US6480957 Method and system for secure lightweight transactions in wireless data networks
11/12/2002US6480831 Method and apparatus for securely transmitting keys from a postage metering apparatus to a remote data center
11/12/2002US6480608 Method for exchanging cryptographic keys in an ATM network using multiple virtual paths or circuits
11/12/2002US6480607 Encrypted data reproducing transmitting and processing method and apparatus with separately encrypted control data
11/12/2002US6480606 Elliptic curve encryption method and system
11/12/2002US6480605 Encryption and decryption devices for public-key cryptosystems and recording medium with their processing programs recorded thereon
11/12/2002CA2225805C Electronic casino gaming system with improved play capacity, authentication and security
11/12/2002CA2110995C Multiple access coding for radio communications
11/10/2002CA2530107A1 System and method for securely upgrading firmware
11/07/2002WO2002089443A1 Method and system for establishing a communications pipe between a personal security device and a remote computer system
11/07/2002WO2002089400A1 Method and device for authenticating a user on a remote server
11/07/2002WO2002089399A1 Ring arithmetic method, system, and apparatus
11/07/2002WO2002089398A1 Communication apparatus
11/07/2002WO2002089397A1 Data transmission method
11/07/2002WO2002089396A1 Quantum key system and method
11/07/2002WO2002089393A2 Method for securing a data transmission between several data transmission units and corresponding components