| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 04/03/1997 | DE19523466C1 Mutual authentication of identified chip cards with computer system |
| 04/02/1997 | EP0766472A2 Method for using electronic information services ensuring the anonymity of users towards companies delivering such services |
| 04/02/1997 | EP0766424A2 Multiple size cryptographic key system |
| 04/02/1997 | EP0766165A2 Licensee notification system |
| 04/02/1997 | EP0765551A1 Device for decoding digital data and method of encrypting and decoding such data using the device |
| 04/02/1997 | EP0765550A1 Device for decoding decoding algorithms and method of encrypting and decoding such algorithms using the device |
| 04/02/1997 | EP0676110B1 System and method for key distribution using quantum cryptography |
| 04/02/1997 | CN1146680A Method and device for providing informaiton service by communication network |
| 04/02/1997 | CN1146676A Cipher communication method |
| 03/27/1997 | WO1997011442A1 Method for determining an encryption key associated with an integrated circuit |
| 03/27/1997 | DE19638389A1 Determining periodicity of enciphered number or text sequence in register |
| 03/26/1997 | EP0765032A1 Remote control device for a video signal receiver |
| 03/26/1997 | CN1146122A Apparatus and method for authenticating transmitted applications in interative information system |
| 03/26/1997 | CN1146032A Cryptographic apparatus with double feedforward hash function |
| 03/25/1997 | US5615269 Ideal electronic negotiations |
| 03/25/1997 | US5615268 System and method for electronic transmission storage and retrieval of authenticated documents |
| 03/25/1997 | US5615267 Method for adaptively switching between PCS authentication schemes |
| 03/25/1997 | US5615266 Secure communication setup method |
| 03/25/1997 | US5615265 Process for the transmission and reception of conditional access programs controlled by the same operator |
| 03/25/1997 | US5614914 Wireless telephone distribution system with time and space diversity transmission for determining receiver location |
| 03/19/1997 | EP0763913A1 Method for data escrowing for a secure data exchange protocol |
| 03/19/1997 | EP0763297A1 Nonlinear dynamic substitution devices and methods for block substitutions employing coset decompositions and direct geometric generation |
| 03/18/1997 | US5613214 Mobile communication terminal authenticating system |
| 03/18/1997 | US5613089 Method and apparatus for remotely controlling and monitoring the use of computer software |
| 03/18/1997 | US5613005 Cipher communication method and device |
| 03/18/1997 | US5613004 Steganographic method and device |
| 03/18/1997 | US5613001 Digital signature verification technology for smart credit card and internet applications |
| 03/13/1997 | WO1997009817A2 Document processing |
| 03/13/1997 | WO1997009802A1 Method and device for the sealing of computer data |
| 03/13/1997 | WO1997009705A1 Data conversion apparatus and data conversion method |
| 03/13/1997 | WO1996042041A3 Internet server access control and monitoring systems |
| 03/13/1997 | DE19537338C1 Audio signal coding method |
| 03/13/1997 | DE19533544A1 Secret information transmitting device |
| 03/13/1997 | DE19533197A1 Resetting central locking system of car using remote control unit |
| 03/13/1997 | DE19533191A1 Resetting central locking system of car using remote control unit |
| 03/12/1997 | EP0762764A2 Video scrambling |
| 03/12/1997 | EP0762692A2 Secure user certification for electronic commerce employing value metering system |
| 03/12/1997 | EP0762289A2 Method and system for securely controlling access to system resources in a distributed system |
| 03/12/1997 | EP0761051A1 Method and apparatus for recording sensor data |
| 03/12/1997 | CN1144942A Method of token verification in key management system |
| 03/11/1997 | US5610982 Compact certification with threshold signatures |
| 03/06/1997 | WO1997008870A2 Secure cryptographic methods for electronic transfer of information |
| 03/06/1997 | WO1997008869A1 Apparatus and method for authenticating the dispatch and contents of documents |
| 03/06/1997 | WO1997008868A1 Method of secure communication using signature verification |
| 03/06/1997 | WO1997008665A1 System and method for commercial payments using trusted agents |
| 03/06/1997 | WO1997007657A2 Parameterized hash functions for access control |
| 03/06/1997 | WO1997000471A3 A system for securing the flow of and selectively modifying packets in a computer network |
| 03/06/1997 | WO1996039779A3 Control message transmission in telecommunications systems |
| 03/06/1997 | DE19532617A1 Verfahren und Vorrichtung zur Versiegelung von Computerdaten Method and apparatus for sealing of computer data |
| 03/05/1997 | EP0760565A1 Apparatus and method for authenticating the dispatch and contents of documents |
| 03/05/1997 | EP0760046A1 System and method for activating a device |
| 03/05/1997 | EP0722596A4 Method and system for secure, decentralised personalisation of smart cards |
| 03/05/1997 | EP0445290B1 Adaptive data ciphering/deciphering apparatus and data communication system employing said apparatus |
| 03/04/1997 | US5608802 Data ciphering device |
| 03/04/1997 | US5608801 Efficient cryptographic hash functions and methods for amplifying the security of hash functions and pseudo-random functions |
| 03/04/1997 | US5608800 Process for detecting unauthorized introduction of any data transmitted by a transmitter to a receiver |
| 03/04/1997 | US5608799 Method and apparatus for scrambling and descrambling of video signal with edge fill |
| 03/04/1997 | US5608798 Crytographic device with secure testing function |
| 03/04/1997 | US5608786 Communication system |
| 03/04/1997 | CA2062170C Key distribution system for distributing a cipher key between two subsystems by one-way communication |
| 02/27/1997 | WO1997007645A1 Device, use and procedure to identify communicating parties in a telecommunication system |
| 02/27/1997 | WO1997007613A1 Method for managing ciphering keys for a symmetric cryptography system and device generating the ciphering keys pour implementing the method |
| 02/27/1997 | WO1997001579A3 Somatostatin peptides |
| 02/26/1997 | EP0759675A1 Method for providing access to information by way of enciphering/deciphering messages including transmitting and receiving devices |
| 02/26/1997 | EP0759669A2 Method and apparatus for autokey rotor encryption |
| 02/26/1997 | EP0759241A1 A method for providing blind access to an encryption key |
| 02/25/1997 | US5606617 Secret-key certificates |
| 02/25/1997 | US5606616 Cryptographic apparatus with double feedforward hash function |
| 02/25/1997 | US5606613 Method for identifying a metering accounting vault to digital printer |
| 02/25/1997 | US5606611 Receiving station management apparatus |
| 02/25/1997 | US5606609 Electronic document verification system and method |
| 02/25/1997 | CA2179352A1 Secure electronic entry system |
| 02/25/1997 | CA1338942C Cryptographic device |
| 02/20/1997 | WO1996038938A3 Apparatus and method of controlling transmitting power and transmit rate of a wireless telecommunications system |
| 02/20/1997 | DE19530393A1 Vocoder coding-decoding method esp. for analogue and digital communications signals |
| 02/19/1997 | CN1143437A Variable-key crytography system |
| 02/19/1997 | CN1143436A Apparatus and method for controlling access to and interconnection of computer system resources |
| 02/18/1997 | US5604807 System and scheme of cipher communication |
| 02/18/1997 | US5604806 Apparatus and method for secure radio communication |
| 02/18/1997 | US5604805 Privacy-protected transfer of electronic information |
| 02/18/1997 | US5604804 Method for certifying public keys in a digital signature scheme |
| 02/18/1997 | US5604803 Method and apparatus for secure remote authentication in a public network |
| 02/18/1997 | US5604802 Transaction processing system |
| 02/18/1997 | US5604801 Public key data communications system under control of a portable security device |
| 02/18/1997 | US5604488 Remote control security system |
| 02/18/1997 | CA2183021A1 Method and apparatus for autokey rotor encryption |
| 02/13/1997 | WO1997005720A2 Cryptographic system with concealed work factor |
| 02/13/1997 | WO1997005578A1 Method and apparatus for securely handling a personal identification number or cryptographic key using biometric techniques |
| 02/13/1997 | WO1996042151A3 Steganographic method and device |
| 02/12/1997 | CN1142718A Communication apparatus and communication system |
| 02/12/1997 | CN1142716A method for processing digital signal in so-called secure communication system and use of this method for access control and/or binary signature |
| 02/11/1997 | US5602918 Application level security system and method |
| 02/11/1997 | US5602917 Method for secure session key generation |
| 02/11/1997 | US5602915 Process for the control of secret keys between two smart cards |
| 02/11/1997 | CA2182772A1 Method for, by way of enciphering/deciphering messages, providing access to information, as well as transmitter device, as well as receiver device |
| 02/06/1997 | WO1997004553A1 Data packet handling |
| 02/06/1997 | WO1997004551A1 Method for adaptively switching between pcs authentication schemes |
| 02/06/1997 | WO1997004395A1 Method and apparatus for encryption key creation |
| 02/06/1997 | WO1997004378A1 Microcircuit with memory that is protected by both hardware and software |
| 02/06/1997 | WO1997004377A1 Single chip microprocessor, math co-processor, random number generator, real-time clock and ram having a one-wire interface |