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)
04/1998
04/01/1998EP0832542A1 Process and device for authenticating subscribers to digital exchanges
04/01/1998CN1177872A Method for realizing digital signing with information appendix and checking method thereof
04/01/1998CN1177871A Checking method for communication network
03/1998
03/31/1998US5734853 Set top terminal for cable television delivery systems
03/31/1998US5734721 Anti-spoof without error extension (ANSWER)
03/31/1998US5734718 For updating passwords in a name service device
03/31/1998US5733047 Enciphering system applicable to various keyless entry systems
03/31/1998CA2130396C Method and system for key distribution and authentication in a data communication network
03/31/1998CA2075329C Public key cryptosystem key management based on control vectors
03/26/1998WO1998012084A1 Vehicle security device
03/26/1998DE19638623A1 Computer system with process for handling coded data
03/25/1998EP0830783A1 Method and apparatus for copy protection for various recording media using a video finger print
03/25/1998EP0830774A2 Internet server access control and monitoring systems
03/25/1998EP0830763A1 Subscriber terminal for a wireless telecommunications system
03/25/1998EP0830762A1 Multiple address security architecture
03/25/1998EP0830759A1 Apparatus and method of frame aligning information in a wireless telecommunications system
03/25/1998EP0830751A1 Apparatus and method of controlling transmitting power in a subscriber terminal of a wireless telecommunications system
03/25/1998EP0830750A1 Apparatus and method of transmitting and receiving information in a wireless telecommunications system
03/25/1998EP0830749A1 Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system
03/25/1998EP0830748A1 Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
03/25/1998CN1177245A Enciphering method, deciphering method and certifying method
03/24/1998US5732139 Quantum cryptographic system with reduced data loss
03/24/1998US5732138 Method for seeding a pseudo-random number generator with a cryptographic hash of a digitization of a chaotic system
03/24/1998US5732137 Method and apparatus for secure remote authentication in a public network
03/19/1998WO1998011716A1 Method and system for electronic document certification
03/19/1998WO1998011689A2 Method of cryptological authentification in a scanning identification system
03/19/1998WO1998011553A1 Ram storage assembly
03/19/1998WO1998011505A1 Method for tuning an oscillating receiver circuit of a transponder built into a rfid system
03/19/1998WO1998011496A1 Data transfer method for a scanning identification system
03/19/1998DE19637657A1 Fahrzeugsicherungsanordnung Vehicle security arrangement
03/18/1998EP0830009A2 Image handling system and method
03/18/1998EP0829174A1 Reconfigurable subscriber terminal for a wireless telecommunications system
03/18/1998EP0829151A1 Method of encoding sequences consisting of figure-coded data units
03/18/1998EP0829150A1 Cdma transmission employing clipping function
03/18/1998EP0829141A1 Method , apparatus for electronic encoding and decoding
03/18/1998EP0829069A1 Data-transmission device, consisting of a pulse generator and a monitoring unit, for use in vehicle, and pulse generator for use with the monitoring unit
03/18/1998EP0829056A1 Secure method and system for communicating a list of credit card numbers over a non-secure network
03/18/1998CN1176429A Generic file format for multiple security requirements
03/17/1998US5729609 Method for producing a common key in two devices, in order to implement a common cryptographic procedure, and associated apparatus
03/17/1998US5729608 Method and system for providing secure key distribution in a communication system
03/17/1998US5729537 Method and apparatus for providing anonymous data transfer in a communication system
03/12/1998WO1998010611A2 System for preventing electronic memory tampering
03/12/1998WO1998010563A2 Instrument for making secure data exchanges
03/12/1998WO1998010562A1 Electronic encryption device and method
03/12/1998WO1998010561A1 Method and apparatus for encrypting radio traffic in a telecommunications network
03/12/1998WO1998010560A1 Quantum cryptography device and method
03/12/1998WO1998010559A1 Device and method for the cryptographic processing of a digital data stream presenting any number of data
03/12/1998WO1998010558A1 Method and system for establishing and maintaining user-controlled anonymous communications
03/12/1998DE19734429A1 Vehicle antitheft system with drive interlock
03/11/1998EP0828210A2 Method and apparatus for cryptographically protecting data
03/11/1998CN1175841A Security access system
03/11/1998CN1175830A Device comprising protection system for identification number and protection method for identification number
03/10/1998US5727064 Cryptographic system for wireless communications
03/10/1998US5727063 Pseudo-random generator
03/10/1998US5727062 Cryptographic mechanism for block ciphering a data block of any size
03/05/1998CA2619600A1 Systems and methods for secure transaction management and electronic rights protection
03/04/1998EP0827329A1 Validation stamps for electronic signatures
03/04/1998CN1175142A Coditional access system adapting information with multiple encryted code
03/04/1998CN1175138A Information terminal
03/04/1998CA2636590A1 Apparatus and method for establishing a cryptographic link between elements of a system
03/03/1998US5724428 Block encryption algorithm with data-dependent rotations
03/03/1998US5724427 Method and apparatus for autokey rotor encryption
03/03/1998US5724426 Apparatus and method for controlling access to and interconnection of computer system resources
02/1998
02/26/1998WO1998008323A1 Public key cryptosystem method and apparatus
02/26/1998WO1997046983A3 Method and device for loading input data into an algorithm during authentication
02/26/1998WO1997045979A3 Method and apparatus for initialization of cryptographic terminal
02/26/1998DE19735922A1 Cryptographic method based on synchronous stream ciphering with one time pad
02/25/1998EP0825745A2 NHRP packet authentication method and NHRP server
02/25/1998EP0825739A1 Method of loading commands in the security module of a terminal
02/25/1998EP0825512A2 Method and apparatus for enforcing the use of cryptography in an international cryptography framework
02/25/1998EP0825511A2 Method and apparatus for trusted processing
02/25/1998EP0825316A2 Method and system for writing an information key
02/25/1998EP0825315A2 Remote control system and method having a system-specific code
02/25/1998EP0824815A1 Positive identification system and method
02/25/1998EP0824814A1 Methods and apparatus for authenticating an originator of a message
02/25/1998EP0824813A1 Improving security of packet-mode transmission in a mobile communication system
02/25/1998CN1174642A Digital document authentication system for providing certificate which authenticates and uniquely identifies document
02/25/1998CN1174641A Encoding device
02/24/1998US5721780 User-transparent security method and apparatus for authenticating user terminal access to a network
02/24/1998US5721779 Apparatus and methods for verifying the identity of a party
02/24/1998US5721778 Digital signal transmitting method, digital signal receiving apparatus, and recording medium
02/24/1998US5721777 Escrow key management system for accessing encrypted data with portable cryptographic modules
02/24/1998US5721747 Method and device for data transmission having improved error resilience with concomitant integrity protection
02/19/1998WO1998007255A1 Pocket encrypting and authenticating communications device
02/19/1998WO1998007254A1 Device and method for safeguarding data transferred between machines operating within a network
02/19/1998WO1998007253A1 Accelerating public-key cryptography by precomputing randomly generated pairs
02/19/1998WO1998007252A1 Data encryption
02/19/1998WO1998007251A1 Improved cryptographically secure pseudo-random bit generator for fast and secure encryption
02/19/1998WO1998007249A1 Controlled access system and method
02/18/1998CN1173942A Optical disk, optical reocorder, optical reproducing device, encrypted communication system, and authorzing system for use of program
02/17/1998US5720035 System for control of access to computer machines which are connected in a private network
02/17/1998US5720034 Method for secure key production
02/17/1998US5719940 Method for providing information security by exchanging authentication and signing an electronic signature and apparatus therefor
02/17/1998US5719938 Methods for providing secure access to shared information
02/17/1998US5719913 Pseudo-random number generating circuit and bidirectional shift register
02/12/1998WO1998006198A1 Simultaneous electronic transactions with visible trusted parties
02/12/1998WO1998000770A3 Encryption enhancement system
02/12/1998DE19734430A1 Coded identification input method to road vehicle immobiliser security system
02/11/1998EP0823802A2 Secret communication and authentication scheme based on public key cryptosystem using N-adic expansion
02/11/1998EP0823181A1 Method and apparatus for routing confidential information
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