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)
10/2000
10/26/2000WO2000064064A1 Digital radio system
10/26/2000WO2000063854A1 Communication system and method for efficiently implementing electronic transactions in mobile communication networks
10/26/2000WO2000062866A1 A telecommunication system for exchanging confidential information between a physical person and an information system
10/26/2000DE19917047A1 Communications method involves automatically generating a code word exchanged between transmitter and receiver for encoding transmitted information and decoding received information
10/26/2000DE19916490A1 Überwachung der Übertragungsqualität in einem digital Nachrichtenübertragungsnetz Monitoring the transmission quality in a digital communications network
10/26/2000CA2383536A1 Method and device for inserting and authenticating a digital signature in digital data
10/26/2000CA2371134A1 Wireless portable device capable of performing various functions with enhanced security
10/25/2000EP1047242A2 Method and system for the transmisson of information in a telephone exchange system
10/25/2000EP1047221A2 PN code generator, communication unit using the PN code generator, communication system, and PN code generation method
10/25/2000EP1047062A2 Contents information recording method, contents information processing unit, contents information deciphering method, contents information deciphering unit and media thereof
10/25/2000EP1047028A1 Communication system and method for efficiently processing electronical transactions in mobile communication networks
10/25/2000EP1046255A1 Method and system for consumer electronic device certificate management
10/25/2000EP1046253A1 Video program bearing transport stream remultiplexer
10/25/2000EP1046168A1 Electronic bookshelf with multi-user features
10/25/2000EP1046142A1 Data processing device and method for operating same which prevents a differential current consumption analysis
10/25/2000EP1046131A1 Data processing device and operating method for preventing a differential current consumption analysis
10/25/2000CN2403181Y Safety electronic instruction plate for network with identifying identity
10/25/2000CN1271448A Portable electronic device for safe communication system, and method for initialising its parameters
10/24/2000US6137885 Method for enabling direct encrypted communication between two terminals of a mobile radio network, and corresponding station and terminal facilities
10/24/2000US6137884 Simultaneous electronic transactions with visible trusted parties
10/24/2000US6137597 Method of controlling network facsimile apparatus
10/19/2000WO2000062540A1 Method of and apparatus for providing secure communication of digital data between devices
10/19/2000WO2000062519A2 Built-in manufacturer's certificates for a cable telephony adapter to provide device and service certification
10/19/2000WO2000062515A2 Method and system for updating information in a telefon exchange system
10/19/2000WO2000062513A2 Method and system for selecting a password encrypted with a correct software version
10/19/2000WO2000062507A1 Key management between a cable telephony adapter and associated signaling controller
10/19/2000WO2000062505A1 Digital home network and method for creating and updating such a network
10/19/2000WO2000062477A1 Authentication and signature method for messages using reduced size of binary units of information content and corresponding systems
10/19/2000WO2000062476A1 Data transmission system
10/19/2000WO2000062474A1 Method of and means for effecting secure communication
10/19/2000WO2000062473A1 Method for making secure one or several computer installations using a common cryptographic secret key algorithm, use of the method and computer installation
10/19/2000WO2000062472A1 System and method for transmission of encrypted files from a central server computer to a remote computer
10/19/2000WO2000062471A1 Methods and apparatus for transmitting, receiving, and processing secure voice over internet protocol
10/19/2000WO2000062458A2 Methods and appliances for encryption system varying dynamically depending upon variables and its applications
10/19/2000WO2000062290A1 Key distribution via a memory device
10/19/2000WO2000062260A1 Method and system for ordering, loading and using access tickets
10/19/2000WO2000062217A1 Information processing device and method, and providing medium
10/19/2000WO2000062216A1 Information processing device and method, and providing medium
10/19/2000WO2000062215A1 Information processing device and method, and providing medium
10/19/2000WO2000062174A1 Apparatus and method for authentication of device drivers
10/19/2000WO2000062143A1 System and method for document-driven processing of digitally-signed electronic documents
10/19/2000WO2000062123A1 Single-photon-emission apparatus
10/19/2000WO2000062122A1 Generator for producing photon number state
10/19/2000WO2000031956A3 A method and apparatus for accessing stored digital programs
10/19/2000DE19915668A1 Trust-Center-Einheit Trust center unit
10/19/2000CA2370471A1 Built-in manufacturer's certificates for a cable telephony adapter to provide device and service certification
10/19/2000CA2369733A1 Method of and apparatus for providing secure communication of digital data between devices
10/18/2000EP1045585A1 Method of and apparatus for providing secure communication of digital data between devices
10/18/2000EP1045574A1 Method and apparatus for sending or receiving a secure fax
10/18/2000EP1045567A2 Method and system in a telephone exchange system
10/18/2000EP1045539A2 Monitoring of the transmission quality in a digital telecommunication network
10/18/2000EP1045321A2 Information processing apparatus and method, management apparatus and method, and providing medium
10/18/2000EP1044534A1 Encoding method for carrying out cryptographic operations
10/18/2000EP1044533A1 Encoding method for carrying out cryptographic operations
10/18/2000EP1044437A1 Data carrier device with test means for testing the access authorization of a data reading device
10/18/2000EP0886839B1 System and method for commercial payments using trusted agents
10/18/2000CN1270725A Security method for transmissios in telecommunication networks
10/18/2000CN1270452A Method and system based on station arrangement for convenient bidirectional mobile communication equipment
10/17/2000USRE36918 Fair cryptosystems and methods of use
10/17/2000US6134550 Method and apparatus for use in determining validity of a certificate in a communication system employing trusted paths
10/17/2000US6134431 Personal station authentication system and authentication method
10/17/2000US6134328 Secure user certification for electronic commerce employing value metering system
10/17/2000US6134327 Method and apparatus for creating communities of trust in a secure communication system
10/17/2000US6134326 Simultaneous electronic transactions
10/17/2000US6134325 Key transmission system
10/17/2000US6134201 Data recording apparatus, method therefor, data reproducing apparatus, method therefor and record medium
10/13/2000CA2301383A1 Monitoring the transmission quality in a digital communications network
10/12/2000WO2000060807A1 Method for enciphering a series of symbols applying a function and a key
10/12/2000WO2000060551A1 Method of deriving an identification number
10/12/2000WO2000027090A3 Network protocol for secure communications
10/12/2000WO2000026746A3 Data carrier with obscured power consumption
10/12/2000DE19914506A1 Protection method for communication between mobile data carrier device, such as memory card, and e.g. input terminal
10/12/2000DE19914225A1 Vorrichtung und Verfahren für die sichere elektronische Datenübertragung Apparatus and method for secure electronic transmission of data
10/11/2000EP1043923A1 Trust centre unit
10/11/2000EP1043906A2 Method and system facilitating web based provisioning of two-way mobile communications devices
10/11/2000EP1043878A2 Information processing apparatus and method, information management apparatus and method and information providing medium
10/11/2000EP1043864A2 System and method for document distribution
10/11/2000EP1043863A1 Method for the cryptographic conversion of l-bit input blocks of digital data into l-bit output blocks
10/11/2000EP1043862A2 Generation of repeatable cryptographic key based on varying parameters
10/11/2000EP1043696A2 Method for publishing certification information representative of selectable subsets of rights and apparatus and portable data storage media used to practice said method
10/11/2000EP1043695A2 Method for publishing certification information certified by a plurality of authorities and apparatus and portable data storage media used to practice said method
10/11/2000EP1043694A2 Method for certifying public keys used to sign postal indicia and indicia so signed
10/11/2000EP1043693A2 Authorization system and authorization method
10/11/2000EP1042885A1 Client side public key authentication method and apparatus with short-lived certificates
10/11/2000EP1042883A1 Encryption key management system and method
10/11/2000EP1042882A1 Method for strongly authenticating another process in a different address space
10/11/2000EP1042881A1 Multiple account portable wireless financial messaging unit
10/11/2000EP1042879A1 Secure messaging system overlay for a selective call signaling system
10/11/2000EP1042743A2 Single account portable wireless financial messaging unit
10/11/2000EP1020049A4 Tamper resistant methods and apparatus
10/11/2000CN1269672A Additional information insertion method, detection method, insertion apparatus and detection apparatus
10/11/2000CN1269647A Watching historical collection system and method, information, collection system and method thereof
10/10/2000US6131165 Permit for controlling access to services in protected memory systems
10/10/2000US6131090 Method and system for providing controlled access to information stored on a portable recording medium
10/10/2000US6130946 Cryptographs
10/10/2000US6130623 Encryption for modulated backscatter systems
10/05/2000WO2000059253A1 Enabling conformance to legislative requirements for mobile devices
10/05/2000WO2000059165A1 A method and apparatus for preventing unauthorized copying and distributing of electronic messages transmitted over a network
10/05/2000WO2000059157A1 Countermeasure method in an electric component implementing an elliptical curve type public key cryptography algorithm
10/05/2000WO2000059156A1 Countermeasure procedures in an electronic component implementing an elliptical curve type public key encryption algorithm
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