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)
10/1996
10/22/1996US5568552 Method for providing a roving software license from one node to another node
10/22/1996US5568301 Optical communication system with secure key transfer
10/17/1996WO1996032791A1 Computer-assisted method for the exchange of cryptographic keys between a user computer unit (u) and network computer unit (n)
10/16/1996EP0738058A2 Method and apparatus for the secure distribution of encryption keys
10/16/1996EP0737907A2 Cryptographic data security in a secured computer system
10/16/1996CN1133516A Bank remittance information exchange method and equipment
10/15/1996US5566099 Pseudorandom number generator
10/13/1996CA2173903A1 Public-key method for encrypting data
10/13/1996CA2171143A1 Procedure for signing a message
10/10/1996WO1996031965A1 Electronic funds transfer instruments
10/10/1996CA2217593A1 Electronic funds transfer instruments
10/09/1996EP0713621A4 Method and apparatus for uniquely encrypting a plurality of services at a transmission site
10/08/1996US5564106 Method for providing blind access to an encryption key
10/08/1996US5563950 System and methods for data encryption using public key cryptography
10/08/1996US5563948 Process for authentication of smart cards, and device for use of the process
10/08/1996US5563946 Method and apparatus for enabling trial period use of software products: method and apparatus for passing encrypted files between data processing systems
10/08/1996US5563945 Data storage device
10/08/1996US5563600 Data transmission for remote-controlled security system
10/08/1996CA2087886C Universal authentication device for use over telephone lines
10/08/1996CA2000400C Public key/signature cryptosystem with enhanced digital signature certification
10/03/1996WO1996031034A1 System for ensuring that the blinding of secret-key certificates is restricted, even if the issuing protocol is performed in parallel mode
10/03/1996WO1996030840A1 Method and means for interconnecting different security level networks
10/02/1996EP0735723A2 Cryptographic communication method and cryptographic communication device
10/02/1996EP0735722A2 Cryptographic key management and validation system
10/02/1996EP0735721A2 Method for master key generation and registration
10/02/1996EP0735720A2 Method for key distribution and verification in a key management system
10/02/1996EP0735719A2 Method for providing secure boxes in a key management system
10/02/1996EP0735718A1 Method and apparatus for high bandwidth encryption/decryption using a low bandwidth cryprographic module
10/02/1996EP0734624A1 A non-deterministic public key encryption system
10/02/1996EP0734333A1 Immobilization device with a short unlocking time
10/02/1996DE19511298A1 Method of allotting and withdrawing reception authorisation for chargeable reception
10/02/1996CN1132429A Method for sharing secret information, generating digital signature, and performing certification in communication system that has plurality of information processing apparatus and communication......
09/1996
09/26/1996WO1996029795A1 Simultaneous electronic transactions
09/26/1996DE19510251A1 Symbol sequence encryption method for digital communication
09/25/1996EP0733759A1 Security system and method therefor
09/25/1996EP0733239A1 Database system with local information remotely supported with dynamic information
09/25/1996EP0478571B1 Method and apparatus for remotely controlling and monitoring the use of computer software
09/25/1996CN1131851A Method for identifying metering accounting vault to digital printer
09/25/1996CN1131528A Cord winder for vacuum cleaner
09/24/1996US5559890 Crypto equipment
09/24/1996US5559889 System and methods for data encryption using public key cryptography
09/24/1996US5559885 Two stage read-write method for transaction cards
09/24/1996US5559549 Television program delivery system
09/19/1996WO1996028914A1 A method for providing blind access to an encryption key
09/19/1996WO1996028913A1 Key escrow method with warrant bounds
09/19/1996DE19509895A1 Reliably scrambled information signal transmission
09/18/1996EP0732027A1 Electronic book selection and delivery system
09/18/1996EP0732017A1 System and method for transmitting and receiving variable length authorization control for digital services
09/18/1996EP0731941A1 Data verification system and method
09/17/1996US5557765 System and method for data recovery
09/17/1996US5557679 Method for personalization of an active card
09/17/1996US5557678 System and method for centralized session key distribution, privacy enhanced messaging and information distribution using a split private key public cryptosystem
09/17/1996US5557346 System and method for key escrow encryption
09/17/1996US5555863 Automobile engine starter
09/12/1996WO1996020553A3 Unified messaging and long distance communication system
09/11/1996EP0731406A1 International cryptography framework
09/11/1996EP0730802A1 System and method for simultaneously authorizing multiple virtual channels
09/10/1996US5555309 Cryptographic key management apparatus and methods
09/10/1996US5555307 Device and process for rendering secure the transmission of faxes, as well as fax unit which has been made secure and incorporating such a device
09/10/1996US5555303 Secure transaction system and method utilized therein
09/06/1996WO1996027250A1 Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
09/06/1996WO1996027155A2 Systems and methods for secure transaction management and electronic rights protection
09/06/1996CA2683230A1 Systems and methods for secure transaction management and electronic rights protection
09/04/1996CN1130453A Method for improved security of CRC encryption system
09/04/1996CN1032726C Signal encryption method and system based on chaos theory
09/03/1996US5553145 Electronic communications method
09/03/1996US5552897 Secure communication apparatus and method
09/03/1996US5552781 Fault tolerant method of decoding an electronic key system
09/03/1996CA2010700C Encryption / decryption apparatus for a computer
08/1996
08/29/1996DE19506921A1 Comparing secret codes with portable data carrier supported by microprocessor for The comparison is intended to identify users.
08/28/1996EP0729252A2 Cryptographic key management
08/28/1996EP0524235B1 Method of synchronising the pseudo-random binary sequence in a descrambler
08/28/1996CN1130005A Method and apparatus for providing secure communications for a requested call
08/27/1996US5550809 Multiple access coding using bent sequences for mobile radio communications
08/27/1996US5549670 IOL for reducing secondary opacification
08/22/1996WO1996025814A1 Multi-purpose transaction card system
08/22/1996WO1996025813A1 Encoding device
08/22/1996WO1996025812A1 A method enabling the authentication of a printout of a data file
08/22/1996CA2218178A1 Multi-purpose transaction card system
08/21/1996EP0727894A1 Certifying system
08/21/1996EP0727746A2 Method and system for encoding and decoding software
08/21/1996EP0727727A2 Portable interactive storage device and method of displaying its contents
08/21/1996EP0727118A1 Method for improved security of crc encryption system
08/21/1996EP0727117A1 Method for automatic resynchronization of the transmitter/receiver pair in a remote keyless entry system
08/20/1996US5548649 Network security bridge and associated method
08/20/1996US5548648 Encryption method and system
08/15/1996WO1996024997A1 Electronic negotiable documents
08/14/1996DE19548019A1 Data communication system e.g. for motor vehicle anti-theft security
08/14/1996DE19520232C1 Sequence coding for ASCII text encryption
08/14/1996CN1128919A Fast transmission and treatment system of name list whose credit cards are refused to payment
08/13/1996US5546464 Method of and apparatus for selective resynchronization in a digital cellular communications system
08/13/1996US5546463 Pocket encrypting and authenticating communications device
08/13/1996US5546462 Method and apparatus for fingerprinting and authenticating various magnetic media
08/08/1996WO1996024209A1 Cd-prom
08/07/1996EP0725512A2 Data communication system using public keys
08/07/1996EP0725511A2 Method for data encryption/decryption using cipher block chaining (CBC) and message authetication codes (MAC)
08/07/1996CN1128605A A method for validating a communication link
08/07/1996CN1128595A Method and apparatus for uniquely encrypting a plurality of services at a transmission site
08/07/1996CN1128571A Method for the production of a key common to two devices for implementing a common cryptographic procedure and associated apparatus
08/07/1996CN1128456A Image communicating apparatus
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