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)
03/1996
03/26/1996US5502765 Method and apparatus for settlement of accounts by IC cards
03/26/1996US5502764 Method, identification device and verification device for identificaiton and/or performing digital signature
03/21/1996WO1996008908A2 Wireless telephone distribution system with time and space diversity transmission
03/21/1996CA2592534A1 Computerized payment system for purchasing information products by electronic transfer on the internet
03/20/1996EP0702499A1 Data transfer network for at least two terminals
03/19/1996US5500899 Secure voice conferencing apparatus
03/19/1996US5500898 Scramble communication system multiplexing/demultiplexing scramble generation polynomial
03/19/1996US5500897 Client/server based secure timekeeping system
03/14/1996WO1996008093A1 Biometric controlled key generation
03/14/1996WO1996008092A1 Roving software license for a hardware agent
03/14/1996WO1996008012A1 Method and apparatus for fingerprinting and authenticating various magnetic media
03/14/1996WO1996007951A1 Polarisation modulation
03/14/1996WO1995014283A3 Protected distribution protocol for keying and certificate material
03/14/1996CA2199601A1 Method and apparatus for fingerprinting and authenticating various magnetic media
03/13/1996EP0700614A1 Nonlinear dynamic substitution devices and methods for block substitutions
03/13/1996EP0700613A1 A system for wireless and encrypted transmission of information
03/13/1996EP0682832A4 Protected distribution protocol for keying and certificate material.
03/13/1996EP0669064A4 Apparatus and method for providing data security in a computer system having a removable memory.
03/13/1996CN1118544A Packet program component detector
03/12/1996US5499372 Method of controlling access to restricted access data and communication system therefor
03/12/1996US5499299 Modular arithmetic operation system
03/12/1996US5499297 System and method for trusted path communications
03/12/1996US5499296 Natural input encryption and method of use
03/12/1996US5499295 Method and apparatus for feature authorization and software copy protection in RF communications devices
03/12/1996US5499294 Digital camera with apparatus for authentication of images produced from an image file
03/07/1996WO1996007267A2 System for processing a video signal via series-connected high speed signal processing smart cards
03/07/1996WO1996007256A1 Certifying system
03/07/1996WO1996007253A1 Natural input encryption and method of use
03/07/1996WO1996002993A3 Method for securely using digital signatures in a commercial cryptographic system
03/06/1996EP0700185A2 Method and apparatus for data-driven encryption system
03/05/1996US5497479 Method and apparatus for remotely controlling and monitoring the use of computer software
03/05/1996US5497423 Method of implementing elliptic curve cryptosystems in digital signatures or verification and privacy communication
03/05/1996US5497422 Message protection mechanism and graphical user interface therefor
03/05/1996US5497419 Method and apparatus for recording sensor data
02/1996
02/29/1996WO1996006504A1 Smart-card based access control system with improved security
02/29/1996WO1996006491A1 Quantum cryptography
02/29/1996WO1996006409A1 Method and apparatus for providing identification
02/28/1996EP0698842A1 System for preventing use of unauthorized software with firmware device
02/28/1996EP0698269A1 Error correctable data transmission method and device based on semi-cyclic codes
02/28/1996CN1117673A Code sequence generator
02/27/1996US5495580 Ring network security system with encoding of data entering a subnetwork and decoding of data leaving a subnetwork
02/27/1996US5495533 Computing system for managing keys to encrypt/decrypt stored data
02/27/1996US5495532 Secure electronic voting using partially compatible homomorphisms
02/22/1996WO1996005702A2 Method and apparatus for authentication in a communication system
02/22/1996WO1996005675A1 User authentication in a communications network
02/22/1996WO1996005674A1 Failsafe key escrow system
02/22/1996WO1996005673A1 System and method for key escrow and data escrow encryption
02/22/1996WO1996005670A2 Digital radio with vocoding encrypting codec
02/22/1996WO1996005668A1 Multiple access coding using bent sequences for mobile radio communications
02/22/1996CA2643172A1 Multiple access coding using bent sequences for mobile radio communications
02/22/1996CA2643142A1 Multiple access coding using bent sequences for mobile radio communications
02/22/1996CA2197206A1 System and method for key escrow and data escrow encryption
02/22/1996CA2171017A1 Method and apparatus for authentication in a communication system
02/21/1996EP0697776A2 Method and apparatus for secure electronic voting
02/21/1996EP0697687A1 Method and system for transmitting information utilizing zero-knowledge certifying protocol
02/21/1996EP0697154A1 Method for over the air rekeying of multiple communication groups
02/21/1996CN1117227A Protected communication method and system
02/21/1996CN1117226A Data information transmission method and system
02/20/1996US5493614 Private signature and proof systems
02/20/1996CA2051365C Method for managing an application program loaded into a microcircuit medium
02/15/1996WO1996004732A1 Method and apparatus for the verification of data sequences
02/15/1996WO1996004602A1 Elliptic curve encryption systems
02/14/1996EP0696397A1 Digital radio transceiver with encrypted key storage
02/14/1996CN1116890A Apparatus and method for storing data
02/13/1996US5491752 System for increasing the difficulty of password guessing attacks in a distributed authentication scheme employing authentication tokens
02/13/1996US5491750 Method and apparatus for three-party entity authentication and key distribution using message authentication codes
02/13/1996US5491749 Method and apparatus for entity authentication and key distribution secure against off-line adversarial attacks
02/13/1996CA2155606A1 Electronic certified document
02/11/1996CA2144563A1 System for preventing use of unauthorized software with firmware device
02/08/1996WO1996003563A1 Electronic combination lock security system
02/07/1996EP0695997A2 Methods for providing secure access to shared information
02/07/1996EP0695985A1 Logon certificates
02/07/1996EP0695675A1 Anti-vehicle-thief apparatus and code setting method of the apparatus
02/07/1996EP0695485A1 Fair cryptosystems and methods of use
02/07/1996CN1116385A Cypher licence-identification system for credit payment based on telephone and computer technology
02/07/1996CN1030955C Independent external security module for digitally upgradeable television signal decoder
02/01/1996WO1996002993A2 Method for securely using digital signatures in a commercial cryptographic system
02/01/1996WO1996002992A1 Signal transmitting method and communication system
02/01/1996WO1996002901A1 Authentication technique
02/01/1996WO1996002899A1 Access control system for restricting access to authorised hours and renewing it using a portable storage medium
02/01/1996CA2195003A1 Authentication technique
02/01/1996CA2194475A1 Method for securely using digital signatures in a commercial cryptographic system
01/1996
01/31/1996EP0695056A2 A method for sharing secret information, generating a digital signature, and performing certification in a communication system that has a plurality of information processing apparatuses and a communication system that employs such a method
01/31/1996EP0694232A1 Method for data compression
01/31/1996EP0439512B1 Returned-value blind signature systems
01/31/1996CN1116028A Relay apparatus
01/31/1996CN1116027A Relay apparatus, decoder and security broadcasting apparatus
01/31/1996CN1030879C Method and apparatus for maintaining continuous synchrounous encryption and decryption in a wireless communication system throughout a hand-off
01/30/1996US5488663 Encoding methods for generating a digital signal containing modulated bit allocation information, and record carriers containing that signal
01/30/1996US5488661 Data communication system and method with data scrambling
01/30/1996US5488649 Method for validating a communication link
01/25/1996WO1996000485A3 User authentication method and apparatus
01/24/1996EP0693836A1 Method and apparatus for a key-management scheme for internet protocols.
01/24/1996CN1030809C Authentication system for digital cellular communications
01/23/1996CA1337997C Adaptive data ciphering/deciphering apparatuses and data communication system using these apparatuses
01/18/1996WO1996001546A1 A method and apparatus for key transforms to discriminate between different networks
01/18/1996WO1996001536A1 A method of messaging in a communication system
01/18/1996DE4425158A1 Constructing encryption functions
01/18/1996CA2194357A1 A method and apparatus for key transforms to discriminate between different networks
01/17/1996CN1115163A Pre-location of authentication information in a personal communication system
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