Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
08/1996
08/06/1996US5544322 In a distributed computing system
08/06/1996US5544246 Smartcard adapted for a plurality of service providers and for remote installation of same
08/06/1996US5544245 Mutual authentication/cipher key delivery system
08/06/1996US5543920 System and method for sensing color and preventing use of unauthorized color formulation software
08/06/1996CA2118826C Hardware arrangement for enciphering bit blocks while renewing a key at each iteration
08/01/1996WO1996023376A2 Apparatus and method for generating pseudorandom quantities based upon radio channel characteristics
08/01/1996DE19518546C1 Exchange of cryptographic codes between terminal and network server
08/01/1996DE19518544C1 Processor-supported exchange of cryptographic codes
08/01/1996CA2210714A1 Apparatus and method for generating pseudorandom quantities based upon radio channel characteristics
07/1996
07/31/1996EP0724343A2 Apparatus for indicating manipulation in transmitted data
07/31/1996EP0723726A1 System and apparatus for blockwise encryption/decryption of data
07/30/1996US5541996 Apparatus and method for a pseudo-random number generator for high precision numbers
07/30/1996US5541995 Method and apparatus for decoding non-sequential data packets
07/30/1996US5541994 Fingerprint controlled public key cryptographic system
07/30/1996US5541581 Electronic combination lock security system
07/30/1996CA2094026C Method and apparatus for personal identification
07/25/1996WO1996022643A1 Establishment of cryptographic keys in radio networks
07/25/1996WO1996007267A3 System for processing a video signal via series-connected high speed signal processing smart cards
07/25/1996CA2210195A1 Establishment of cryptographic keys in radio networks
07/24/1996EP0723373A2 Decryptor
07/24/1996EP0723349A2 Method and apparatus for secure anonymous message transfer and electronic voting
07/24/1996EP0723348A2 Method and system for a public key cryptosystem having proactive, robust, and recoverable distributed threshold secret sharing
07/24/1996EP0722642A1 Multistream encryption system for secure communication
07/24/1996EP0722641A1 Method and apparatus for providing secure communications for a requested call
07/24/1996EP0722640A1 Cryptographic receiver
07/24/1996EP0722596A1 Method and system for secure, decentralised personalisation of smart cards
07/24/1996CN1127559A Data protection system
07/23/1996US5539828 Apparatus and method for providing secured communications
07/23/1996US5539827 Device and method for data encryption
07/23/1996US5539826 Method for message authentication from non-malleable crypto systems
07/23/1996US5539825 Electronic cashless transaction system
07/23/1996US5539824 Method and system for key distribution and authentication in a data communication network
07/17/1996EP0722236A2 System and method for fault tolerant key management
07/17/1996EP0721718A1 Method and apparatus for authentication in a communication system
07/16/1996US5537475 Efficient digital signature algorithm and use thereof technical field
07/16/1996US5537474 Method and apparatus for authentication in a communication system
07/11/1996DE19514084C1 Processor-controlled exchange of cryptographic keys, e.g. in mobile communications
07/10/1996EP0721271A1 Access control system for computers connected in a private network
07/10/1996EP0720796A1 System and method for changing the key or password in a secure distributed communications network
07/10/1996CN1126339A Video data bus communication system and method
07/09/1996US5535277 Encryption communication apparatus
07/09/1996US5535276 Yaksha, an improved system and method for securing communications using split private key asymmetric cryptography
07/09/1996US5535275 Apparatus and method for producing scrambled digital video signals
07/09/1996US5534857 Method and system for secure, decentralized personalization of smart cards
07/04/1996WO1996020553A2 Unified messaging and long distance communication system
07/04/1996WO1996020461A1 Method for implementing a private key communication protocol between two processing devices
07/04/1996DE19518545C1 Cryptographic key exchange between network and personal computer
07/04/1996CA2208983A1 Method for implementing a private key communication protocol between two processing devices
07/03/1996EP0720328A1 Signal transmitting method and communication system
07/03/1996EP0720327A2 Device and method for generating pseudorandom noise sequence
07/03/1996EP0720326A2 Method for secure session key generation
07/03/1996EP0719485A1 Access control for portable data storage media
07/03/1996EP0719438A1 Access control system for restricting access to authorised hours and renewing it using a portable storage medium
07/03/1996EP0719370A1 Resynchronizing transmitters to receivers for secure vehicle entry using cryptography or rolling code
07/03/1996EP0719369A1 Apparatus for remote implementation of a command
07/03/1996CN1126005A Error correctable data transmission method and device based on semi-cyclic codes
07/02/1996US5533128 Pseudo-random transposition cipher system and method
07/02/1996US5533127 Encryption system
07/02/1996US5533051 Method for data compression
07/02/1996US5532695 Power of two length pseudorandom noise sequence generator
06/1996
06/27/1996CA2165595A1 Device and method for generating pesudorandom noise sequence
06/26/1996EP0719007A2 Small size product cipher apparatus
06/26/1996EP0718999A2 Data transmission method and device simultaneously improving error protection and data integrity
06/26/1996EP0718803A2 Identifying a specific combination of metering accounting vault and digital printer
06/26/1996EP0718802A2 Preventing monitoring of data remotely sent from a metering accounting vault to digital printer
06/26/1996EP0717898A1 A method of messaging in a communication system
06/26/1996EP0717897A1 System and method for quantum cryptography
06/26/1996EP0717896A1 System and method for key distribution using quantum cryptography
06/26/1996EP0717895A1 Key distribution in a multiple access network using quantum cryptography
06/25/1996US5530959 Self-synchronizing scrambler/descrambler without error multiplication
06/25/1996US5530757 Distributed fingerprints for information integrity verification
06/25/1996US5530235 Interactive contents revealing storage device
06/23/1996CA2165905A1 Small size product cipher apparatus
06/20/1996WO1996011446A3 Database system with local information remotely supported with dynamic information
06/20/1996WO1996009725A3 Selective resynchronization in a digital cellular communications system during handover
06/20/1996WO1996005702A3 Method and apparatus for authentication in a communication system
06/20/1996DE19547283A1 Encoding system for use in providing e.g. identification code in different access systems without keys e.g. in motor vehicle
06/19/1996EP0717566A1 Method and apparatus for incremental delivery of access rights
06/19/1996EP0717564A2 Copy prevention method and apparatus for digital video system
06/19/1996EP0717376A2 Postage meter device and system and method for communications with postage meters
06/18/1996US5528693 Method and apparatus for voice encryption in a communications system
06/18/1996US5528231 Method for the authentication of a portable object by an offline terminal, and apparatus for implementing the process
06/18/1996CA2056935C Method and apparatus for the reliable authentication of communication
06/18/1996CA2043533C Electronic notary
06/15/1996CA2162774A1 System and method for communications with postage meters
06/13/1996DE4444089A1 Transceiver terminal for communication system
06/13/1996DE4443339A1 Computer protection method against unauthorised access
06/12/1996EP0715789A1 Authenticator card with changing bar code pattern
06/12/1996EP0398931B1 Cryptographic method and apparatus with electronically redefinable algorithm
06/12/1996CN1032039C Encryption system for digital cellular communications
06/06/1996WO1996017456A1 Method for establishing classes within a communication network
06/05/1996EP0715247A1 System for controlling the distribution and use of digital works using digital tickets
06/05/1996EP0715246A1 System for controlling the distribution and use of composite digital works
06/05/1996EP0715245A1 System for controlling the distribution and use of digital works
06/05/1996EP0715244A1 System for controlling the distribution and use of digital works utilizing a usage rights grammar
06/05/1996EP0715243A1 System for controlling the distribution and use of digital works having a fee reporting mechanism
06/05/1996DE4442357A1 Protecting data passing between data processing device and terminal device connected via telecommunications network
06/05/1996DE19505097C1 Verschlüsselungsvorrichtung Encryption device
06/04/1996US5524134 Telecommunications security module
06/04/1996US5524073 Secure transaction system and method utilized therein