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)
08/1998
08/25/1998US5798576 Method for resetting a central lock system of a motor vehicle with a remote actuating device
08/25/1998CA2128307C Secure telecommunications
08/25/1998CA2076252C Cryptographic protocol for secure communications
08/20/1998WO1998036577A1 Predictive coding method and decoding method for dynamic image
08/20/1998WO1998036527A1 Authentication system, authentication device, authentication data producing device, and authentication method
08/20/1998WO1998036526A1 Cyclotomic polynomial construction of discrete logarithm cryptosystems over finite fields
08/20/1998WO1998036525A1 System and method for constructing a cryptographic pseudo random bit generator
08/20/1998WO1998036524A1 System and method for constructing block ciphers
08/20/1998WO1998036523A1 Cryptographic system using chaotic dynamics
08/20/1998WO1998036522A1 Method for providing secure remote command execution
08/20/1998WO1998036520A1 Cryptographic key split combiner
08/20/1998WO1998036403A1 Broadcast key distribution apparatus and method using chinese remainder
08/20/1998WO1998036391A1 Security systems
08/20/1998WO1998027687A3 Method and apparatus for providing a cryptographically secure interface between the decryption engine and the system decoder of a digital television receiver
08/19/1998EP0859488A2 Method and apparatus for authenticating electronic documents
08/19/1998EP0858702A1 Tree-based certificate revocation system
08/19/1998EP0858701A1 Cryptographic methods for demonstrating satisfiable formulas from propositional logic
08/19/1998EP0858700A2 Unified end-to-end security methods and systems for operating on insecure networks
08/19/1998EP0858697A1 Computerized payment system for purchasing goods and services on the internet
08/19/1998EP0858354A1 Bio-active frequency generator and method
08/19/1998EP0750813A4 Data decryption apparatus in a subscription television signal receiving system
08/19/1998CN1191045A Control message transmission in telecommunications system
08/18/1998US5796943 Communication apparatus
08/18/1998US5796841 Secure user certification for electronic commerce employing value metering system
08/18/1998US5796840 Apparatus and method for providing secured communications
08/18/1998US5796839 Encryption method, encryption apparatus, recording method, decoding method, decoding apparatus and recording medium
08/18/1998US5796837 Apparatus and method for generating a secure substitution-box immune to cryptanalyses
08/18/1998US5796836 Scalable key agile cryptography
08/18/1998US5796833 Public key sterilization
08/18/1998US5796832 Wireless transaction and information system
08/18/1998US5796830 Interoperable cryptographic key recovery system
08/18/1998US5796828 Controlled-access broadcast signal receiving system
08/18/1998US5796827 System and method for near-field human-body coupling for encrypted communication with identification cards
08/18/1998CA2010450C Method for encrypting transmitted data using a unique key
08/13/1998WO1998035474A1 Secure packet radio network
08/13/1998WO1998035467A1 A method of using transient faults to verify the security of a cryptosystem
08/13/1998CA2278754A1 A method of using transient faults to verify the security of a cryptosystem
08/12/1998EP0858236A2 Improved security in cellular telephones
08/12/1998EP0858186A2 Method for secure communication in a telecommunication system
08/12/1998EP0858185A1 Descrambling device of a security element and security element comprising such a device
08/12/1998EP0858183A2 Encryption & decryption apparatus
08/12/1998EP0857382A1 Security chip
08/12/1998CN1190318A Improved security in cellular telephones
08/12/1998CN1190300A Encryption and decryption apparatus
08/11/1998US5794139 For use in a cellular mobile telephone system
08/11/1998US5793940 Data processing apparatus
08/11/1998US5793870 Display system
08/11/1998US5793869 Method and apparatus for encoding and data compressing text information
08/11/1998US5793868 Certificate revocation system
08/11/1998US5793866 In a remote activation system
08/11/1998US5793302 Method for securing information relevant to a transaction
08/11/1998CA2133200C A cryptographic communications method and system
08/11/1998CA2088371C Method for secure time-stamping of digital documents
08/06/1998WO1998034403A1 Apparatus and method for securing captured data transmitted between two sources
08/06/1998WO1998034374A1 Encryption and decryption method and apparatus
08/06/1998WO1998034373A1 Process for generating a digital signature and process for checking the signature
08/06/1998WO1998034372A1 Method for encrypting information represented as a numerical value
08/06/1998WO1998034371A1 Method and device for introducing a service key into a terminal
08/06/1998WO1998034202A2 Data card verification system
08/06/1998WO1998034200A1 Method and device for assigning an authorization device to a base station
08/06/1998DE19704069A1 Data sequence encoding and decoding method
08/06/1998DE19703999A1 Verfahren und Vorrichtung zum Zuordnen einer Berechtigungseinrichtung zu einer Basisstation Method and device for assigning a permission device to a base station
08/06/1998DE19703929A1 Verfahren zum Generieren einer digitalen Signatur und Verfahren zur Überprüfung der Signatur A method for generating a digital signature and method for verifying the signature
08/06/1998DE19703928A1 Verfahren zum Verschlüsseln einer als Zahlenwert dargestellten Nachricht A method of encrypting a message represented as a numerical value
08/06/1998CA2279462A1 Data card verification system
08/05/1998EP0856994A2 Digital cable headend for cable television delivery system
08/05/1998EP0856993A2 Set top terminal for cable television delivery systems
08/05/1998EP0856968A2 Encryption key processing system to be incorporated into data recovery system or key setting system for generating encryption key
08/05/1998EP0856822A2 Method for settlement of charges by an IC card and method for registering a password used therein
08/05/1998EP0856821A2 Method of settling charges
08/05/1998EP0856233A1 Subscriber authentication in a mobile communications system
08/05/1998EP0856225A1 Encryption and decryption of multi-media data
08/05/1998CN1189961A Process of access restriction to a telecommunications network, telecommunications system and unit for such system
08/05/1998CN1189949A Use of an encryption server for encrypting messages
08/05/1998CN1189947A Cryptographic acess and labeling system
08/04/1998US5790675 Cryptographic communication process
08/04/1998US5790674 System and method of providing system integrity and positive audit capabilities to a positive identification system
08/04/1998US5790670 Apparatus and method for securing electronic circuitry
08/04/1998US5790669 Lightweight non-repudiation system and method
08/04/1998US5790667 Personal authentication method
08/04/1998US5790666 Decryptor
08/03/1998CA2228958A1 Data card verification system
07/1998
07/30/1998WO1998033295A1 Method and system for hierarchical key access and recovery
07/30/1998WO1998033293A1 Apparatus and method for preventing disclosure through user-authentication at a printing node
07/30/1998WO1998033159A1 Message reproducing type signature device
07/30/1998WO1998027688A3 Method and apparatus for simultaneous electronic exchange using a semi-trusted third party
07/29/1998EP0855815A2 Certification of cryptographic keys for chipcards
07/29/1998EP0855659A1 System and method for providing anonymous personalized browsing in a network
07/29/1998EP0855072A1 Authentication method for a wired-logic microcircuit
07/29/1998CN1189166A Somatostatin peptides
07/29/1998CN1189071A Apparatus and method for securing electronic information in wireless communication device
07/29/1998CN1189032A Process for data certification by scrambling and certification system using such process
07/28/1998US5787179 Scrambling and descrambling of data with improved security
07/28/1998US5787178 Computerized method for signing a message
07/28/1998US5787175 Method and apparatus for collaborative document control
07/28/1998US5787173 Secure communication system
07/28/1998US5787172 Apparatus and method for establishing a cryptographic link between elements of a system
07/28/1998US5787170 Database system with local information remotely supported with dynamic information
07/28/1998US5787154 Universal authentication device for use over telephone lines
07/28/1998US5786784 Remote-control device for a video receiver
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