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)
12/1999
12/16/1999WO1999065265A1 Channelization and encoding for text information services transmitted via radiocommunication systems
12/16/1999WO1999065175A1 Method for generating, storing, and verifying a binding between an authorized user and a token
12/16/1999WO1999055991A3 Authentication method
12/16/1999WO1999046942A3 Method for generating a broadcast challenge value
12/16/1999DE19902182A1 Analogue and digital data transmission using count system
12/16/1999CA2332901A1 Channelization and encoding for text information services transmitted via radiocommunication systems
12/15/1999EP0964388A2 Speaker collation apparatus, method and storage medium thereof
12/15/1999EP0963638A1 Digital signature method
12/15/1999EP0963637A2 Transmitting revisions with digital signatures
12/15/1999EP0963636A1 Authentication between communicating parties in a telecommunications network
12/15/1999EP0963635A1 Cyclotomic polynomial construction of discrete logarithm cryptosystems over finite fields
12/15/1999EP0963634A1 Method and arrangement for computer assisted formation of a permutation to permute digital signals and method and arrangement to encrypt digital signals
12/15/1999EP0808535B1 Electronic negotiable documents
12/15/1999CN1238886A Method of processing encrypted video data for generating decrypted program data
12/15/1999CN1238885A Decoding apparatus/method and data format for processing and storing encrypted video data
12/15/1999CN1238874A Configuration for telemeasurable and/or remote-controllable installation
12/14/1999US6003137 Virtual group information managing method in bridge for network connection
12/14/1999US6002773 Method and apparatus for encryption
12/14/1999US6002769 Method and system for performing secure electronic messaging
12/14/1999US6002768 Distributed registration and key distribution system and method
12/14/1999US6002497 Three-line linear sensor
12/09/1999WO1999063709A2 System and method for pushing information from a host system to a mobile data communication device
12/09/1999WO1999063706A1 Device and method for evaluating randomness of function, device and method for generating random function, and recorded medium on which programs for implementing these methods are recorded
12/09/1999WO1999063696A1 Using unpredictable information to minimize leakage from smartcards and other cryptosystems
12/09/1999WO1999063492A1 Visual code recordal and communication thereof
12/09/1999WO1999063419A1 Method and device for processing data
12/09/1999WO1999024928B1 Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
12/09/1999DE19823849A1 Verfahren und Vorrichtung zur Erzeugung von wahlweise Einzelphotonen oder Photonenpaaren in einem optischen Kanal Method and apparatus for generating either single photon or photon pairs in an optical channel
12/09/1999CA2333589A1 Visual code recordal and communication thereof
12/09/1999CA2273758A1 Information signal reproducing apparatus, information signal outputting apparatus, information signal reproducing method, and information signal outputting method
12/08/1999EP0963064A1 Transmission and reception apparatus of a signal encrypted based on deterministic chaos
12/08/1999EP0962080A2 Method of secure anonymous query by electric messages transported via a public network and method of response
12/08/1999EP0962072A1 Encryption and decryption method and apparatus
12/08/1999EP0962071A1 Method for authorization check
12/08/1999EP0962070A2 Administration and utilization of secret fresh random numbers in a networked environment
12/08/1999EP0962069A1 Cryptographic system comprising a ciphering and deciphering system and a key escrow system and associated appliances and devices
12/08/1999EP0962063A1 Compensating for fading in analog am radio signals
12/08/1999CN1238094A Method and system for ensuring security of supply of services of telecommunication operators
12/08/1999CN1237843A System, method, and medium for broadcasting service contents
12/07/1999US5999711 Method and system for providing certificates holding authentication and authorization information for users/machines
12/07/1999US5999629 Data encryption security module
12/07/1999US5999628 Method and apparatus for improved digital message transaction model
12/07/1999US5999626 Digital signatures on a smartcard
12/07/1999US5999625 Method for electronic payment system with issuer control
12/07/1999US5999623 Broadcast data access controller communication system
12/07/1999US5999285 Positive-operator-valued-measure receiver for quantum cryptography
12/07/1999US5998858 Microcircuit with memory that is protected by both hardware and software
12/07/1999CA2169553C System and method for key distribution using quantum cryptography
12/07/1999CA2169552C Key distribution in a multiple access network using quantum cryptography
12/02/1999WO1999062221A1 Robust efficient distributed rsa-key generation
12/02/1999WO1999062220A1 Method and device for producing a choice of either single photons or pairs of photons in an optical channel
12/02/1999WO1999061989A1 Method and system for secure transactions in a computer system
12/02/1999WO1999035591A3 A system for programming a mobile device in a protocol, device, and network independent fashion
12/02/1999DE19924986A1 Encryption conversion device for electronic toll collection
12/02/1999DE19828936A1 Verfahren und Vorrichtung zum Verarbeiten von Daten Method and apparatus for processing data
12/01/1999EP0961499A1 Predictive coding method and decoding method for dynamic image
12/01/1999EP0961438A1 Authentication system, authentication device, authentication data producing device, and authentication method
12/01/1999EP0960500A1 Method for providing secure remote command execution
12/01/1999EP0960407A1 Security systems
12/01/1999EP0960406A1 System for securely transporting objects in a tamper-proof container, wherein at least one recipient station is mobile and portable
12/01/1999EP0960405A2 Data card verification system
12/01/1999EP0880839A4 System for authenticating the location of remote users
12/01/1999EP0861479B1 Method for determining an encryption key associated with an integrated circuit
12/01/1999CN1237299A Methods and apparatus for enhanced CMEA including CMEA iteration preceded and followed by transformations and employing involuntary lookup
11/1999
11/30/1999USRE36417 Method of detecting changes to a collection of digital signals
11/30/1999US5996111 Identification sequence issuing device and identification sequence verification device
11/30/1999US5995630 Biometric input with encryption
11/30/1999US5995629 Encoding device
11/30/1999US5995626 Electronic shopping method, electronic shopping system and document authenticating method relating thereto
11/30/1999US5995625 Electronic cryptographic packing
11/30/1999US5995624 Bilateral authentication and information encryption token system and method
11/30/1999US5995623 Information processing apparatus with a software protecting function
11/30/1999US5995533 Apparatus and method for generating pseudorandom quantities based upon radio channel characteristics
11/30/1999CA2144124C Process and device for authentifying a data medium used to authorize a transaction or to authorize access to a service or a location, and related medium
11/29/1999CA2511594A1 System and method for pushing information from a host system to a mobile data communication device
11/25/1999WO1999060750A2 Preventing unauthorized use of service
11/25/1999WO1999060749A1 Information sharing system
11/25/1999WO1999060747A2 Method and arrangement for the computer-aided exchange of cryptographic keys between a first computer unit and a second computer unit
11/25/1999DE19822795A1 Computer-based exchange method of cryptographic key
11/25/1999DE19822217A1 Access protected chip card, data carrier
11/24/1999EP0959584A2 Method for secure data transmission
11/24/1999EP0958682A1 Secure packet radio network
11/24/1999EP0958676A1 Process for generating a digital signature and process for checking the signature
11/24/1999EP0958675A1 Method for encrypting information represented as a numerical value
11/24/1999EP0958672A1 Low power telecommunication controller for a host computer server
11/24/1999EP0958671A1 A method of using transient faults to verify the security of a cryptosystem
11/24/1999EP0861541A4 Root key compromise recovery
11/24/1999CN1236521A Method and apparatus for imprinting ID information into a digital content and for reading out the same
11/24/1999CN1236517A Method and apparatus for encryption radio traffic in a telecommunications network
11/24/1999CN1236516A Methods and apparatus for enhanced CMEA employing enhanced transformations
11/24/1999CN1236132A Secure processor with external memory using block chaining and block re-ordering
11/23/1999US5991415 Method and apparatus for protecting public key schemes from timing and fault attacks
11/23/1999US5991414 Method and apparatus for the secure distributed storage and retrieval of information
11/23/1999US5991408 Identification and security using biometric measurements
11/23/1999US5991407 Subscriber authentication in a mobile communications system
11/23/1999US5991406 System and method for data recovery
11/23/1999US5991405 Method for dynamically updating cellular phone unique encryption keys
11/23/1999US5991404 System for diversifying information in a network for distributing goods or services
11/23/1999US5991402 Method and system of dynamic transformation of encrypted material
11/23/1999US5991401 Method and system for checking security of data received by a computer system within a network environment
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