Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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09/21/1994 | EP0615673A1 Method and apparatus for data encryption and transmission |
09/20/1994 | US5349643 System and method for secure initial program load for diskless workstations |
09/20/1994 | US5349642 Method and apparatus for authentication of client server communication |
09/20/1994 | US5349249 Programmable logic device having security elements located amongst configuration bit location to prevent unauthorized reading |
09/15/1994 | WO1994021067A1 Two-way public key authentication and key agreement for low-cost terminals |
09/15/1994 | WO1994021066A1 A method and apparatus for generating a digital message authentication code |
09/15/1994 | WO1994021055A1 Method for data compression |
09/15/1994 | CA2154575A1 Method for data compression |
09/14/1994 | EP0615361A1 System and method for high speed encryption using multiple keystream generator |
09/13/1994 | US5347650 Device for transforming a digital data sequence into a condensed digital data block using tables and logic operators |
09/13/1994 | US5347581 Verification process for a communication system |
09/13/1994 | US5347580 Authentication method and system with a smartcard |
09/13/1994 | US5347579 Personal computer diary |
09/07/1994 | EP0614147A2 Software data protection mechanism |
09/06/1994 | US5345508 Method and apparatus for variable-overhead cached encryption |
09/06/1994 | US5345507 In a communication system |
09/06/1994 | US5345506 Mutual authentication/cipher key distribution system |
09/01/1994 | WO1994019884A1 Personal computer diary |
09/01/1994 | CA2156604A1 Personal computer diary |
08/31/1994 | EP0613105A1 Management process of secret keys between two IC-cards |
08/30/1994 | US5343529 Transaction authentication using a centrally generated transaction identifier |
08/30/1994 | CA2000252C Data encryption key failure monitor |
08/30/1994 | CA1331790C Reproduction of secure keys by using distributed key generation data |
08/30/1994 | CA1331789C Dynamic feedback arrangement scrambling technique keystream generator |
08/24/1994 | EP0611506A1 Method, sender apparatus and receiver apparatus for modulo operation. |
08/24/1994 | EP0477180B1 Key allocation in public communications systems taking account of security gradations |
08/23/1994 | US5341428 Multiple cross-check document verification system |
08/23/1994 | US5341427 Algorithm independent cryptographic key management apparatus |
08/23/1994 | US5341426 Cryptographic key management apparatus and method |
08/23/1994 | US5341425 Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site |
08/23/1994 | US5341399 Digital transmission test signal generating circuit |
08/23/1994 | CA1331642C Variants of the fiat-shamir identification and signature scheme |
08/23/1994 | CA1331640C Document authentication system |
08/18/1994 | DE4317380C1 Method for authentication between two electronic devices |
08/17/1994 | EP0598036A4 Nonlinear dynamic substitution devices and methods for block substitutions. |
08/17/1994 | CN1025704C For cellular communication system |
08/16/1994 | US5339361 System and method for authenticating transmission and receipt of electronic information |
08/09/1994 | US5337360 Method and apparatus for creating, supporting, and using travelling programs |
08/09/1994 | US5337358 Apparatus for recording a transaction including authenticating an identification card |
08/09/1994 | US5337357 Method of software distribution protection |
08/04/1994 | WO1994017613A1 Random sum cipher system and method |
08/03/1994 | EP0609143A1 System and method for secure facsimile transmission |
08/03/1994 | EP0609142A1 Apparatus and method for secure facsimile transmission and a secure facsimile comprising such a device |
08/03/1994 | CN1090454A Set top terminal for cable television delivery systems |
08/03/1994 | CN1090453A Advanced set top terminal for cable television delivery systems |
08/03/1994 | CN1090452A Network controller for cable television delivery systems |
08/03/1994 | CN1090451A Digital cable headend for cable television delivery system |
08/02/1994 | US5335281 Network controller and method |
08/02/1994 | US5335280 Random sum cipher system and method |
08/02/1994 | CA1331213C Public key/signature cryptosystem with enhanced digital signature certification |
07/28/1994 | CA2101198A1 Secure network method and apparatus |
07/27/1994 | EP0541537B1 Method and apparatus for high precision weighted random pattern generation |
07/26/1994 | US5333198 Digital interface circuit |
07/26/1994 | US5333197 System to prevent a scrambler from generating undesired symbols |
07/21/1994 | WO1994016509A1 A method and apparatus for generating a cipher stream |
07/20/1994 | EP0606408A1 Method for personalisation of an active card |
07/20/1994 | EP0606401A1 Apparatus and method for providing network security |
07/12/1994 | US5329623 Apparatus for providing cryptographic support in a network |
07/07/1994 | WO1994015423A1 A cryptographic method |
07/07/1994 | WO1994015422A1 System and method for key distribution using quantum cryptography |
07/07/1994 | WO1994015421A1 Method of extending the validity of a cryptographic certificate |
07/07/1994 | WO1994015420A1 Apparatus and method for fault detection on redundant signal lines via encryption |
07/07/1994 | CA2134559A1 Apparatus and method for fault detection on redundant signal lines via encryption |
07/06/1994 | EP0605289A1 Method and apparatus for authentication using a zero knowledge protocol |
07/06/1994 | EP0605047A1 Method for blockwise encryption/decryption using linear algebraic codes |
07/06/1994 | EP0604911A2 Authentication and communication terminal and communication processing unit using the method |
07/05/1994 | CA1330597C Encoding and decoding methods |
06/30/1994 | DE4243908A1 Digital signature signal generation |
06/29/1994 | EP0604008A1 Cryptography system |
06/29/1994 | EP0565528A4 Secure over-the-air registration of cordless telephones |
06/28/1994 | US5325434 Method for authenticating communications participants, system for application of the method and first communications participant and second communication participant for application in the system |
06/28/1994 | US5325433 Encryption communication system |
06/28/1994 | US5325432 Method for updating encryption key information in communication units |
06/23/1994 | WO1994014284A1 Reprogrammable terminal for suggesting programs offered on a television program delivery system |
06/23/1994 | WO1994014283A1 Television program delivery system |
06/23/1994 | WO1994014282A1 Set top terminal for cable television delivery systems |
06/23/1994 | WO1994014281A1 An operation center for a television program packaging and delivery system |
06/23/1994 | WO1994014280A1 Network controller for cable television delivery systems |
06/23/1994 | WO1994014279A1 Digital cable headend for cable television delivery system |
06/22/1994 | EP0602335A2 Cryptographic key management apparatus and method |
06/22/1994 | EP0282570B1 Metering retrieval of encrypted data stored in customer data retrieval terminal |
06/21/1994 | US5323464 In a data processing network |
06/21/1994 | US5323146 Method for authenticating the user of a data station connected to a computer system |
06/14/1994 | US5321754 Sequence synchronization |
06/14/1994 | US5321753 Secure communication of static information by electronic means |
06/14/1994 | US5321689 Multipath transmission system |
06/14/1994 | US5321237 Device and method for authenticating electronic document transmissions |
06/09/1994 | WO1994013107A1 Advanced set top terminal for cable television delivery systems |
06/09/1994 | WO1994013081A1 Methods and apparatus for uniquely end encrypting data |
06/09/1994 | WO1994013080A1 Method and apparatus for improved security within encrypted communication devices |
06/09/1994 | WO1994013079A1 Method and apparatus of controlling processing devices during power transition |
06/09/1994 | CA2345161A1 Advanced set top terminal for cable television delivery systems |
06/08/1994 | EP0600646A2 Secure document and method and apparatus for producing and authenticating same |
06/07/1994 | US5319712 Method and apparatus for providing cryptographic protection of a data stream in a communication system |
06/07/1994 | US5319711 Wireless device for verifying identification |
06/07/1994 | US5319710 Method and means for combining and managing personal verification and message authentication encrytions for network transmission |
06/07/1994 | US5319705 Method and system for multimedia access control enablement |
06/01/1994 | EP0599366A1 Communication network |
05/31/1994 | US5317639 Non-linear block substitution devices derived by constructive corruption |
05/31/1994 | US5317638 Data processing system |