Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 9 - Arrangements for secret or secure communication
Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
11/1998
11/17/1998CA2087433C Method for authentication and protection of subscribers in telecommunication systems
11/12/1998WO1998051112A2 Method and device to authenticate subscribers in a mobile radiotelephone systems
11/12/1998WO1998051038A1 Pseudo-random generator based on a hash coding function for cryptographic systems requiring random drawing
11/12/1998WO1998051037A1 A log-on verification protocol
11/12/1998WO1998051036A1 Scanner enhanced remote control unit and system for automatically linking to on-line resources
11/12/1998WO1998051035A1 Method and system for accessing electronic resources via machine-readable data on intelligent documents
11/12/1998WO1998050894A1 System for secured reading and processing of data on intelligent data carriers
11/12/1998WO1998050875A2 Biometric certificates
11/12/1998WO1998050653A1 Improved microchips and remote control devices comprising same
11/12/1998DE19718547A1 System zum gesicherten Lesen und Bearbeiten von Daten auf intelligenten Datenträgern System for securely reading and editing of data on intelligent data carriers
11/12/1998CA2288767A1 Pseudo-random generator based on a hash coding function for cryptographic systems requiring random drawing
11/12/1998CA2286587A1 Scanner enhanced remote control unit and system for automatically linking to on-line resources
11/11/1998EP0877509A2 Data encyrption/decryption method and apparatus
11/11/1998EP0877508A1 Method and apparatus for quantum key distribution
11/11/1998EP0877507A2 End-to-end encryption
11/11/1998EP0876722A1 Secure anonymous information exchange in a network
11/11/1998EP0527886B1 Electronic security system
11/11/1998CN1198637A Data transmitter, receiver and transmitting and receiving system
11/10/1998US5835726 System for securing the flow of and selectively modifying packets in a computer network
11/10/1998US5835600 Block encryption algorithm with data-dependent rotations
11/10/1998US5835599 Muti-cycle non-parallel data encryption engine
11/10/1998US5835598 Public key method of encoding data
11/10/1998US5835597 Software-efficient pseudorandom function and the use thereof for decryption
11/10/1998US5835596 International cryptography framework
11/10/1998US5835595 Method and apparatus for crytographically protecting data
11/10/1998US5835593 Information transmitting apparatus and information transmitting system
11/10/1998US5835592 Secure, swift cryptographic key exchange
11/05/1998WO1998049805A1 Key distribution system
11/05/1998WO1998049804A1 Optimal-resilience, proactive, public-key cryptographic system and method
11/05/1998WO1998049803A1 Data integrity and authentication device and method
11/05/1998CA2286732A1 Optimal-resilience, proactive, public-key cryptographic system and method
11/04/1998EP0876028A2 A method for publicly verifiable recovery of Diffie-Hellman, RSA and Rabin related asymmetrical encryption
11/04/1998EP0876027A2 Method and apparatus for achieving perfect forward secrecy in closed user groups
11/04/1998EP0876026A2 Programmable crypto processing system and method
11/04/1998EP0875871A2 Authorization method in data transfer systems
11/04/1998EP0875813A2 Enciphering, deciphering and information processing apparatus and methods
11/04/1998EP0875047A2 Telecommunications system
11/04/1998EP0740870B1 Method for the transmission and reception of conditional access programmes using control words specific to said programmes
11/04/1998EP0565528B1 Secure over-the-air registration of cordless telephones
11/04/1998CN1198278A Method for encryption of information
11/04/1998CN1198062A Descrambling device of security element and security element comprising such device
11/03/1998US5832464 System and method for efficiently processing payments via check and electronic funds transfer
11/03/1998US5832214 Method and apparatus for data security for a computer
11/03/1998US5832210 Device and method for controlling communication
11/03/1998US5832207 Secure module with microprocessor and co-processor
11/03/1998US5832092 Communication system based on shared cipher key, server unit for the same system, client unit for the same system, and method of sharing cipher key in communication system
11/03/1998US5832091 Fingerprint controlled public key cryptographic system
11/03/1998US5832087 Apparatus for generating encryption/decryption look-up tables using a session key
11/03/1998US5832086 Method for updating a communication unit parameter in a wireless communication system
11/03/1998US5832083 Method and device for utilizing data content
10/1998
10/29/1998WO1998048540A1 Encryption method and device
10/29/1998WO1998048539A1 Apparatus and method for signing and authenticating digital signatures
10/29/1998WO1998048538A2 Method for secure key management using a biometric
10/29/1998WO1998048512A1 Circuit for producing a pseudo-random sequence
10/29/1998WO1998048389A2 Method for mutual authentication between two units
10/29/1998WO1998026560A3 Method and device for the remote operation and remote control of systems and apparatus via a telephone network
10/29/1998DE19717110A1 Schaltungsanordnung zum Erzeugen einer Pseudo-Zufallsfolge Circuit arrangement for generating a pseudo-random sequence
10/29/1998CA2283208A1 Method and device for encryption
10/28/1998EP0874503A2 Data transmitting and/or receiving apparatus, methods and systems for preventint illegal use of data
10/28/1998EP0874496A2 Cryptographic processing apparatus, cryptographic processing method, and storage medium storing cryptographic processing program for improving security without greatly increasing hardware scale and processing time
10/28/1998EP0874307A1 Accelerated finite field operations on an elliptic curve
10/28/1998EP0874300A2 Information transmission, reception and recording
10/28/1998EP0874299A2 Data transmission, reception, encryption, decryption and recording
10/28/1998EP0873617A1 Key agreement and transport protocol with implicit signatures
10/28/1998EP0873597A1 Multi-media copy management system
10/28/1998EP0750812A4 Methods and apparatus for interfacing an encryption module with a personal computer
10/28/1998CA2235848A1 A method for publicly verifiable recovery of diffie-hellman, rsa and rabin related asymmetrical encryption
10/27/1998US5828753 Circuit and method for ensuring interconnect security within a multi-chip integrated circuit package
10/27/1998US5828752 Pseudo-random number generator and communication system employing the same
10/27/1998US5828751 Method and apparatus for secure measurement certification
10/27/1998CA2109554C Secure document and method and apparatus for producing and authenticating same
10/22/1998WO1998047264A1 Method and system for producing and checking a hash total for digital data grouped in several data segments
10/22/1998WO1998047262A2 Methods and apparatus for multiple-iteration cmea encryption and decryption for improved security for wireless telephone messages
10/22/1998WO1998047261A1 System and method for secured transmission of data over telephone communications system
10/22/1998WO1998047260A2 Publicly verifiable key recovery
10/22/1998WO1998047259A2 File encryption method and system
10/22/1998WO1998047258A2 Bilateral authentication and encryption system
10/22/1998WO1998047257A2 Secure telecommunications data transmission
10/22/1998WO1998047250A2 Apparatus and method for communicating between an intelligent agent and client computer process using disguised messages
10/22/1998WO1998047110A1 Identity verification method
10/22/1998WO1998046455A2 Method for protecting devices, specially car radios, against theft
10/22/1998WO1998032065A3 Improved network security device
10/22/1998DE19716111A1 Verfahren zur gegenseitigen Authentifizierung zweier Einheiten Procedures for mutual authentication of two units
10/22/1998DE19715644A1 Verfahren zur Identitätsprüfung A method for identity verification
10/22/1998CA2294170A1 Bilateral authentication and encryption system
10/22/1998CA2258749A1 Methods and apparatus for multiple-iteration cmea encryption and decryption for improved security for wireless telephone messages
10/22/1998CA2257909A1 Secure telecommunications data transmission
10/21/1998EP0872990A1 Methods and apparatus for providing a broker application server
10/21/1998EP0872977A2 System and method for efficiently implementing an authenticated communications channel that facilitates tamper detection
10/21/1998EP0872976A1 Method for quickly generating successive pseudorandom numbers
10/21/1998EP0872975A2 Method for the adaptive synchronization of chaotic systems and data transmission system using said method
10/21/1998EP0872798A1 Computer memory organization
10/21/1998EP0872151A1 Management of authentication keys in a mobile communication system
10/21/1998EP0872097A1 Secured gateway interface
10/21/1998EP0872081A1 Method and device for data communication
10/21/1998EP0872080A1 Multi-step digital signature method and system
10/21/1998EP0872079A2 A multi-purpose high speed cryptographically secure sequence generator based on zeta one-way functions
10/21/1998EP0872078A1 Method for encryption of information
10/21/1998EP0872077A1 Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
10/21/1998EP0872076A1 Process for the computer-controlled exchange of cryptographic keys between a first and a second computer unit
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