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)
06/1996
06/04/1996US5524072 Methods and apparatus for data encryption and transmission
06/04/1996US5524052 Communication network access method and system
06/04/1996CA2056886C Method for secure communication
06/04/1996CA2026739C Transaction system security method and apparatus
05/1996
05/30/1996WO1996012362A3 Secret-key certificates
05/30/1996DE3730134C1 Encryptor operated by authorised card for coded digital transmission
05/30/1996DE3627949C1 Transceiver station for digital information transmission
05/29/1996EP0714204A2 Illegal view and copy protection method in digital video system and controlling method thereof
05/29/1996EP0713621A1 Method and apparatus for uniquely encrypting a plurality of services at a transmission site
05/29/1996EP0471839B1 Encryption apparatus
05/29/1996CN1123591A Digital radio transceiver with encrypted key storage
05/29/1996CN1123590A Method for over the air rekeying of multiple communication groups
05/28/1996US5521980 Privacy-protected transfer of electronic information
05/23/1996WO1996015604A1 Message protection system and method
05/23/1996WO1996015485A1 Security apparatus and method
05/23/1996WO1996008908A3 Wireless telephone distribution system with time and space diversity transmission
05/23/1996WO1996005670A3 Digital radio with vocoding encrypting codec
05/23/1996DE19542226A1 Verfahren und Anlage zur Verwirklichung einer teilnehmerbezogenen Vermischung und Entmischung in einem Teilnehmernetz Method and apparatus for implementing a subscriber-related mixing and segregation in an access network
05/23/1996CA2204878A1 Message protection system and method
05/22/1996EP0712556A1 Dynamic radio communications system
05/22/1996CN1123076A A method and system for audio information dissemination using various transmission modes
05/21/1996US5519778 Method for enabling users of a cryptosystem to generate and use a private pair key for enciphering communications between the users
05/21/1996US5519706 Dynamic user registration method in a mobile communications network
05/15/1996EP0712072A1 Method for the implementation of Montgomery modular reduction
05/15/1996EP0712071A1 Process for implementing modular multiplication according to the Montgomery method
05/15/1996EP0712070A1 Production process of an error correcting parameter associated with the implementation of modular operations according to the Montgomery method
05/15/1996EP0711480A1 Method and system for authenticated secure key distribution in a communication system
05/15/1996EP0494907B1 A method of controlling access to restricted access data and communication system therefor
05/14/1996US5517614 Data compression/encryption processing apparatus
05/14/1996US5517569 Methods and apparatus for interfacing an encryption module with a personal computer
05/14/1996US5517567 Key distribution system
05/09/1996WO1996013921A1 Digital document authentication system for providing a certificate which authenticates and uniquely identifies a document
05/09/1996WO1996013920A1 Method and apparatus for secure identification of a mobile user in a communication network
05/09/1996WO1996013815A1 Method for enabling a transaction between a terminal user and a server
05/09/1996DE4439068A1 Protecting against unauthorised use of communications terminals
05/08/1996EP0711051A1 Data processing system with verification of authenticity of cryptographic algorithms according to the challenge/response principle
05/08/1996EP0711050A1 Remote control system using encryption, particularly for motor vehicles
05/08/1996EP0710934A2 Methods and systems for performing article authentication
05/08/1996EP0710908A2 A co-processor that performs multiple communication tasks on an integrated circuit
05/08/1996EP0536348B1 Security device for ring network
05/07/1996US5515441 Secure communication method and apparatus
05/07/1996US5515439 Exchange certificate for one way validation of information
05/07/1996US5515438 Communications system
05/07/1996US5515307 Pseudo-random generator
05/04/1996CA2158295A1 Methods and systems for performing article authentication
05/01/1996EP0710025A1 Digital signal transmitting methods, digital signal receiving apparatus, and recording media
05/01/1996EP0709972A1 Method of decoding an electronic key system
05/01/1996EP0709760A2 Data copyright management system
05/01/1996EP0708949A1 Method for the production of a key common to two devices for implementing a common cryptographic procedure and associated apparatus
05/01/1996CN1121754A A repertoire of mappings for a cryptosystem
04/1996
04/30/1996US5513263 Method for establishing classes within a communication network
04/30/1996US5513260 Method and apparatus for copy protection for various recording media
04/30/1996US5513245 Automatic generation of private authentication key for wireless communication systems
04/25/1996WO1996012362A2 Secret-key certificates
04/25/1996CA2200592A1 Secret-key certificates
04/24/1996EP0707765A1 A method of detecting changes to a collection of digital signals
04/24/1996CN1121221A Method and apparatus for authenticating a data carrier intended to enable a transaction or access to a service or a location and corresponding carrier
04/24/1996CN1121219A Method for exchanging authentication and signing electronic signature
04/23/1996US5511124 Cryptographic equipment
04/23/1996US5511123 Symmetric cryptographic system for data encryption
04/23/1996US5511121 Efficient electronic money
04/18/1996WO1996011540A1 Data securing process in a telecommunications system
04/18/1996WO1996011446A2 Database system with local information remotely supported with dynamic information
04/17/1996EP0707290A1 Method and apparatus for loading a protected memory zone in data processing equipment
04/17/1996EP0706735A1 Method for cryptographic authentication of transmitted messages using pseudorandom numbers
04/17/1996EP0706734A1 Cryptographic authentication of transmitted messages using pseudo random numbers
04/16/1996US5509077 Method for data security in a digital telecommunication system
04/16/1996US5509074 Method of protecting electronically published materials using cryptographic protocols
04/16/1996US5509073 Communications network
04/11/1996DE4435901A1 Verfahren zur Datensicherung in einem Telekommunikationssystem Backup procedures in a telecommunications system
04/11/1996DE19537130A1 Device, system and method for synchronised digital data communication
04/11/1996DE19512165C1 Symbol sequence data encryption method
04/10/1996EP0706284A1 Image communicating apparatus
04/10/1996EP0706275A2 System and method for secure storage and distribution of data using digital signatures
04/10/1996EP0706118A1 Data protection system
04/10/1996CN1120209A Scheme for authentication of at least one prover by a verifier
04/09/1996US5506905 Authentication method for keyless entry system
04/09/1996US5506904 System and method for transmitting and receiving variable length authorization control for digital services
04/08/1996CA2160078A1 Image communicating apparatus
04/04/1996WO1996010318A1 Communications system
04/04/1996WO1996009943A1 Immobilization device with a short unlocking time
04/03/1996EP0705005A2 Secret-key enciphering method and arrangement therefor capable of preventing unfair acquirement of information
04/03/1996EP0704794A1 Modular operation calculation device and chipcard comprising such a device
04/03/1996EP0704785A2 Data copyright management system
04/03/1996EP0704124A1 A cryptographic method
04/03/1996EP0704123A1 Methods and apparatus for uniquely end encrypting data
04/02/1996US5504834 Pitch epoch synchronous linear predictive coding vocoder and method
04/02/1996US5504818 Information processing system using error-correcting codes and cryptography
04/02/1996US5504817 Method and apparatus for memory efficient variants of public key encryption and identification schemes for smart card applications
04/02/1996US5504816 Method and apparatus for controlling access to digital signals
04/02/1996US5504815 Method and apparatus for scrambling and descrambling
03/1996
03/30/1996CA2158290A1 Postage evidencing system with secure summary reports
03/28/1996WO1996009725A2 Selective resynchronization in a digital cellular communications system during handover
03/28/1996DE4434450A1 Wegfahrsperre mit kurzer Entriegelungszeit Immobilizer with short release time
03/28/1996CA2175340A1 Selective resynchronization in a digital cellular communications system during handover
03/27/1996EP0480964B1 Soft logic cryptographic circuit
03/27/1996CN1119379A Credit inquiry service and method
03/27/1996CN1119316A High-speed data disordering method
03/26/1996US5502767 Method for maintaining secure information synchronization on a control channel
03/26/1996US5502766 Data enclave and trusted path system
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