| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 01/12/1995 | WO1995001686A1 Cryptographic authentication of transmitted messages using pseudo random numbers |
| 01/12/1995 | WO1995001685A2 Method for cryptographic authentication of transmitted messages using pseudorandom numbers |
| 01/12/1995 | WO1995001684A1 Method and apparatus for efficient real-time authentication and encryption in a communication system |
| 01/12/1995 | CA2165551A1 Cryptographic authentication of transmitted messages using pseudo random numbers |
| 01/12/1995 | CA2159360A1 Method for cryptographic authentication of transmitted messages using pseudorandom numbers |
| 01/11/1995 | EP0633703A2 Recording and/or encoding of video signals |
| 01/10/1995 | US5381481 Method and apparatus for uniquely encrypting a plurality of services at a transmission site |
| 01/10/1995 | US5381480 System for translating encrypted data |
| 01/10/1995 | US5381479 Method for over the air rekeying of multiple communication groups |
| 01/10/1995 | US5381478 Cipher communication system for transaction data |
| 01/10/1995 | CA2013368C Method and apparatus for implementing electronic cash |
| 01/09/1995 | CA2126946A1 Apparatus and method for recording scrambled digital video signals |
| 01/04/1995 | EP0632616A1 Data security method in a B-ISDN telecommunications system |
| 01/04/1995 | EP0632615A1 Method for data security in a pay-TV system using public key cryptography |
| 01/04/1995 | EP0294397B1 Automated transaction system using microprocessor cards |
| 01/03/1995 | US5379343 Detection of unauthorized use of software applications in communication units |
| 01/03/1995 | CA2011396C Cipher-key distribution system |
| 01/02/1995 | CA2126054A1 Method for point-to-point communications within secure communication systems |
| 12/31/1994 | CA2126963A1 Method for data security in a digital telecommunication system |
| 12/31/1994 | CA2126960A1 Method for data security in a digital telecommunication system |
| 12/28/1994 | EP0631408A2 Method for authentication between two electronic devices |
| 12/27/1994 | US5377271 Apparatus for dispensing money orders |
| 12/27/1994 | US5377270 Cryptographic authentication of transmitted messages using pseudorandom numbers |
| 12/27/1994 | US5377267 Method of authentication with improved security for secrecy of authentication key |
| 12/21/1994 | EP0629953A1 Graphical manipulation of encryption |
| 12/20/1994 | US5375171 Transmission system, and transmitter and receiver used in the transmission system for transmitting and receiving digital signals containing modulated bit allocation information |
| 12/20/1994 | US5375170 Method of generating and verifying digital signatures |
| 12/20/1994 | US5375169 Cryptographic key management method and apparatus |
| 12/14/1994 | EP0628935A1 Portable object authentication method by an off-line terminal, corresponding portable object and terminal |
| 12/13/1994 | US5373561 Method of extending the validity of a cryptographic certificate |
| 12/13/1994 | US5373560 In a cryptosystem |
| 12/13/1994 | US5373558 Desinated-confirmer signature systems |
| 12/12/1994 | EP0639287A4 Secure entry system with radio communication. |
| 12/08/1994 | WO1994028658A1 Method for authenticating objects identified by images or other identifying information |
| 12/08/1994 | WO1994028655A1 Nonlinear dynamic substitution devices and methods for block substitutions |
| 12/08/1994 | CA2163332A1 Method and apparatus for improved security using access codes |
| 12/07/1994 | EP0627725A2 Pitch period synchronous LPC-vocoder |
| 12/07/1994 | EP0627142A1 Method and apparatus of controlling processing devices during power transition |
| 12/07/1994 | CN1096151A Reprogrammable terminal for suggesting programs offered on a television program delivery system |
| 12/06/1994 | US5371796 Data communication system |
| 12/06/1994 | US5371794 Method and apparatus for privacy and authentication in wireless networks |
| 11/29/1994 | US5369760 Data processing system |
| 11/29/1994 | US5369709 Apparatus for dispensing money orders |
| 11/29/1994 | US5369708 Fast server-aided computation system and method for modular exponentiation without revealing client's secret to auxiliary device |
| 11/29/1994 | US5369707 Secure network method and apparatus |
| 11/29/1994 | US5369706 Resynchronizing transmitters to receivers for secure vehicle entry using cryptography or rolling code |
| 11/29/1994 | US5369705 Multi-party secure session/conference |
| 11/29/1994 | US5369703 Command and control signalling method and apparatus |
| 11/29/1994 | CA2123188A1 Pitch epoch synchronous linear predictive coding vocoder and method |
| 11/23/1994 | EP0625845A1 Ciphering device and method in facsimile |
| 11/22/1994 | US5367573 Signature data object |
| 11/17/1994 | EP0624839A1 Method and circuitry for producing a pseudo random sequence and its use |
| 11/15/1994 | US5365591 Secure cryptographic logic arrangement |
| 11/15/1994 | US5365589 Method and apparatus for encryption, decryption and authentication using dynamical systems |
| 11/15/1994 | US5365588 High speed encryption system and method |
| 11/15/1994 | US5365585 Method and apparatus for encryption having a feedback register with selectable taps |
| 11/15/1994 | US5365580 System and method of detecting unauthorized use of identifiers |
| 11/10/1994 | WO1994026045A1 A repertoire of mappings for a cryptosystem |
| 11/10/1994 | WO1994026044A2 Fair cryptosystems and methods of use |
| 11/10/1994 | WO1994026043A1 A system for wireless and encrypted transmission of information |
| 11/09/1994 | EP0624014A2 Personal date/time notary device |
| 11/09/1994 | EP0624013A1 Device and method for data encryption |
| 11/08/1994 | US5363449 Personal identification encryptor and method |
| 11/08/1994 | US5363448 Pseudorandom number generation and cryptographic authentication |
| 11/08/1994 | US5363447 Method for loading encryption keys into secure transmission devices |
| 11/02/1994 | EP0373175B1 Device for identification of messages |
| 11/01/1994 | US5361302 Method for encryption sync compression in an encrypted radio telephone interconnect system |
| 10/25/1994 | US5359660 Data processing network |
| 10/25/1994 | US5359328 Analog processing system |
| 10/18/1994 | US5357571 Method for point-to-point communications within secure communication systems |
| 10/13/1994 | WO1994023513A1 A method for loading encryption keys into secure transmission devices |
| 10/13/1994 | WO1994023512A1 A method for loading and utilizing a key in a secure transmission device |
| 10/13/1994 | WO1994023511A1 Methods and apparatus for scrambling and unscrambling compressed data streams |
| 10/13/1994 | WO1994023500A1 Programmable logic device having security elements located amongst configuration bit locations to prevent unauthorized reading |
| 10/13/1994 | CA2159645A1 Methods and apparatus for scrambling and unscrambling compressed data streams |
| 10/12/1994 | EP0619659A2 A shrinking generator for cryptosystems |
| 10/12/1994 | EP0619565A1 Automated transaction system with insertable cards for downloading rate or service program data |
| 10/12/1994 | EP0619564A1 Automated transaction system with insertable cards for transferring account data |
| 10/12/1994 | EP0619563A1 Automated transaction system with modular printhead having print authentication feature |
| 10/11/1994 | US5355415 Parallel distributed sample scrambling system |
| 10/11/1994 | US5355413 Authentication method performed between IC card and terminal unit and system therefor |
| 10/11/1994 | US5355412 Identifying secret data messages in a one-direction multipoint network |
| 10/05/1994 | EP0618701A2 Hardware arrangement for enciphering bit blocks while renewing a key at each iteration |
| 10/05/1994 | EP0618553A1 Data cryptographic process in an IC card, keys generation, certificates calculation and its linked authentification process and IC cards using these processes |
| 10/05/1994 | CN1093211A An operations center for a television program packaging and delivery system |
| 10/04/1994 | US5353352 Multiple access coding for radio communications |
| 10/04/1994 | CA2029248C Dual framing bit sequence alignment apparatus and method |
| 09/28/1994 | EP0617383A2 Data storage device |
| 09/27/1994 | US5351302 Method for authenticating objects identified by images or other identifying information |
| 09/27/1994 | US5351301 Authenticator circuit |
| 09/27/1994 | US5351300 Method of modifying pseudo-random sequences and device for scrambling or descrambling information components |
| 09/27/1994 | US5351299 Apparatus and method for data encryption with block selection keys and data encryption keys |
| 09/27/1994 | US5351298 Cryptographic communication method and apparatus |
| 09/27/1994 | US5351297 Method of privacy communication using elliptic curves |
| 09/27/1994 | US5351295 Secure method of neighbor discovery over a multiaccess medium |
| 09/27/1994 | US5351294 Receiving station |
| 09/27/1994 | US5351293 System method and apparatus for authenticating an encrypted signal |
| 09/22/1994 | DE4409379A1 Elektronische Einrichtung mit Modeumschaltung Electronic device with mode switching |
| 09/21/1994 | EP0616447A2 Method for secure data transmission over unsecure links |
| 09/21/1994 | EP0616429A1 Method and circuit for generating a pseudo-random sequence and its use |