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)
06/1998
06/17/1998EP0759241A4 A method for providing blind access to an encryption key
06/17/1998CN1185065A System and method for near-field human-body coupling for encrypted communication with identification cards
06/16/1998US5768390 Cryptographic system with masking
06/16/1998US5768389 Method and system for generation and management of secret key of public key cryptosystem
06/16/1998US5768388 Method of providing different levels of computational difficulty
06/16/1998US5768381 Apparatus for key distribution in an encryption system
06/16/1998US5768380 Method for sending a communication unit parameter to a plurality of communication units
06/16/1998US5768379 System for the checking of limited access to authorized time slots renewable by means of a portable storage device
06/16/1998US5768378 Key distribution in a multiple access network using quantum cryptography
06/16/1998US5767784 Initialization method for keyless entry system
06/11/1998WO1998025375A1 Token distribution and registration system and method
06/11/1998WO1998005132A3 Method and apparatus for enabling mobile-to-mobile calls in a communication system
06/10/1998EP0847162A1 Interface unit using interleaving for transmitting digital data over a cellular communications network
06/10/1998EP0846375A1 Process and device for the scalable coding of audio signals
06/10/1998CN1184386A Encrypted telecommunication system capable of suppressing damaged range while deciphering
06/09/1998US5764892 For remotely tracing an electronic device from a host system
06/09/1998US5764774 Source data compression and decompression in code symbol printing and decoding
06/09/1998US5764773 Repeating device, decoder device and concealment broadcasting
06/09/1998US5764772 Differential work factor cryptography method and system
06/09/1998US5764771 Method for processing a digital signal in a so-called secure communication system and use of this method for access control and/or binary signature
06/09/1998US5764768 Blind encryption
06/09/1998US5764767 System for reconstruction of a secret shared by a plurality of participants
06/09/1998US5764766 System and method for generation of one-time encryption keys for data communications and a computer program product for implementing the same
06/09/1998US5764765 Method of communication
06/09/1998US5764761 Eletronic assembly with integrated circuit devices including lock circuitry
06/09/1998US5764554 Method for the implementation of modular reduction according to the Montgomery method
06/04/1998WO1998024237A1 A decoding apparatus/method and data format for processing and storing encrypted video data
06/04/1998WO1998024236A1 Method of processing encrypted video data for generating decrypted program data
06/04/1998WO1998024227A2 Configuration for a telemeasurable and/or remote-controllable installation
06/04/1998WO1998024205A1 32n + d bit key encryption-decryption system using chaos
06/04/1998WO1998024186A2 Semiconductor imaging sensor with on-chip encryption
06/04/1998DE19718103A1 Data transmission system authorise method e.g. for telebanking
06/04/1998DE19649292A1 Access protection method for pay television
06/03/1998EP0845733A2 Implementing digital signatures for data streams and data archives
06/03/1998EP0845179A1 Method for managing ciphering keys for a symmetric cryptography system and device generating the ciphering keys pour implementing the method
06/03/1998CN1183841A System and method for secure transaction management and electronic rights protection
06/03/1998CN1183685A Encryption decoding method. record reproduction device and record medium
06/02/1998US5761311 Blind encryption
06/02/1998US5761310 Communication system for messages enciphered according to an RSA-type procedure
06/02/1998US5761309 Authentication system
06/02/1998US5761307 Method for securing data in a telecommunications system
06/02/1998US5761306 Key replacement in a public key cryptosystem
06/02/1998US5761305 Key agreement and transport protocol with implicit signatures
06/02/1998US5761302 Copy prevention method and apparatus for digital video system
06/02/1998US5760916 Image handling system and method
05/1998
05/28/1998WO1998023061A1 Method for signing and/or authenticating electronic messages
05/28/1998WO1998022879A1 A protection method against eeprom-directed intrusion into a mobile communication device that has a processor, and a device having such protection mechanism
05/28/1998WO1998022878A2 Arrangement for encryption/decryption of data and data carrier incorporating same
05/28/1998CA2271989A1 Method for signing and/or authenticating electronic messages
05/27/1998EP0844762A2 Method for secure message exchange for mass services as well as subscriber apparatus and server apparatus herefor
05/27/1998EP0844550A2 Method and system of using personal information as a key when distributing information
05/27/1998EP0843929A1 Method for adaptively switching between pcs authentication schemes
05/27/1998CN1183186A Positive identification system and method
05/27/1998CN1182992A Method for protecting information term transferred from secret unit to decoder
05/27/1998CN1182916A Applied program package and system allowing user using said program package according to condition
05/26/1998USRE35808 Fair cryptosystems and methods of use
05/26/1998US5757924 Network security device which performs MAC address translation without affecting the IP address
05/26/1998US5757920 Logon certification
05/26/1998US5757919 Cryptographically protected paging subsystem
05/26/1998US5757917 Computerized payment system for purchasing goods and services on the internet
05/26/1998US5757916 Method and apparatus for authenticating the location of remote users of networked computing systems
05/26/1998US5757915 Parameterized hash functions for access control
05/26/1998US5757913 Method and apparatus for data authentication in a data communication environment
05/26/1998US5757912 System and method for quantum cryptography
05/26/1998US5757911 Encryption communication process and terminal for encryption communication
05/26/1998US5757909 Illegal view and copy protection method in digital video system and controlling method thereof
05/26/1998CA2151590C Method of extending the validity of a cryptographic certificate
05/26/1998CA2065341C Method and apparatus for high precision weighted random pattern generation
05/22/1998WO1998021852A1 Control for a global transport data stream
05/22/1998WO1998010563A3 Instrument for making secure data exchanges
05/20/1998EP0843479A1 Process for data certification by scrambling and certification system using such a process
05/20/1998EP0843449A2 Encryption system with transaction coded decryption key
05/20/1998EP0843439A2 Data encryption technique
05/20/1998EP0843438A2 Process for protecting an information item transmitted from a security element to a decoder and protection system using such a process
05/20/1998EP0843425A2 Electronic communication apparatus using the human body as a transmission medium
05/20/1998EP0843249A1 Dynamic classes of service for an international cryptography framework
05/20/1998CN1182492A Data-transmission device for use in vehicle and pulse generator thereof
05/19/1998US5754659 Generation of cryptographic signatures using hash keys
05/19/1998US5754656 Electronic shopping method, electronic shopping system and document authenticating method relating thereto
05/19/1998CA2068488C Hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors
05/14/1998WO1998020672A2 Method and apparatus for imprinting id information into a digital content and for reading out the same
05/14/1998WO1998020645A2 Improved tri-signature security architecture systems and methods
05/14/1998WO1998020644A1 Object-based digital signatures
05/14/1998WO1998020643A1 Method for data decorrelation
05/14/1998WO1998020641A1 System and method for providing security in data communication systems
05/14/1998WO1998020411A1 Automatic access of electronic information through machine-readable codes on printed documents
05/14/1998WO1998013990A3 Method and system for ensuring the security of the supply of services of telecommunication operators
05/14/1998WO1998011689A3 Method of cryptological authentification in a scanning identification system
05/14/1998DE19702049C1 Chipcard cryptographic key certification method
05/14/1998DE19645937A1 Authorised user control method for telecommunications device
05/14/1998DE19645936A1 Authorised user control method for telecommunications device
05/14/1998CA2271106A1 Method and apparatus for imprinting id information into a digital content and for reading out the same
05/14/1998CA2270261A1 System and method for providing security in data communication systems
05/13/1998EP0841789A2 Contents transmission control method with user authentication functions
05/13/1998EP0841770A2 Method for sending a secure message in a telecommunications system
05/13/1998EP0841604A2 Personal date/time notary device
05/13/1998EP0840966A1 Decryption of retransmitted data in an encrypted communication system
05/13/1998CN1181560A Apparatus for authenticating user and method therefor
05/13/1998CN1038367C 数据存储装置 Data storage means
05/12/1998US5751813 Use of an encryption server for encrypting messages
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