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)
12/2000
12/20/2000CN1277506A Digital data recording apparatus, storage apparatus and using device
12/19/2000US6163842 Method and apparatus for embedding authentication information within digital data
12/19/2000US6163841 Technique for producing privately authenticatable cryptographic signatures and for authenticating such signatures
12/19/2000US6163612 Coding device, decoding device and IC circuit
12/19/2000CA2179691C Cryptographic apparatus with double feedforward hash function
12/19/2000CA2039976C Addressable control system for catv program distribution
12/16/2000CA2306984A1 Software authorization system and method
12/14/2000WO2000076236A1 Method for selling and using media objects and a suitable device for carrying out said method
12/14/2000WO2000076118A1 Self authentication ciphertext chaining
12/14/2000WO2000076117A1 Secure control of security mode
12/14/2000WO2000075925A1 Method and systems for protecting data using digital signature and watermark
12/14/2000WO2000075787A1 Digital product license control system based on independent digital product registration server
12/14/2000WO2000075754A2 Web environment access control
12/14/2000WO2000075750A2 Parameter generation using elementary register operations
12/14/2000WO2000045241A3 Self-generation of certificates using a secure microprocessor in a device for transferring digital information
12/14/2000DE10027386A1 Bit generator for forming secret encoding key has computer device that causes memory cell transitions from initial to final state depending on received reference system bit, probability rules
12/13/2000EP1059762A1 Exclusive key sharing method
12/13/2000EP1059761A1 Cryptographic key, or other secret material, recovery
12/13/2000EP1059760A1 Method for the block-encryption of discrete data
12/13/2000EP1059578A2 Secure backdoor access for a computer
12/13/2000EP1059014A1 Authentication method and authentication device for secured communications between an atm mobile terminal and an atm access node of a wireless atm radio communication network
12/13/2000EP1059001A1 Method for protecting the audio/visual data across the nrss inte rface
12/13/2000EP1058982A1 Method and device for securing access to a service in a telecommunications network
12/13/2000EP1058872A1 Method, arrangement and apparatus for authentication through a communications network
12/13/2000EP0903026B1 Method for negotiating a security policy between a first and a second computer unit
12/13/2000EP0815670A4 Multi-purpose transaction card system
12/13/2000EP0691055B1 Two-way public key authentication and key agreement for low-cost terminals
12/13/2000CN1276939A Method and apparatus for generating encryption stream ciphers
12/13/2000CN1276686A Operating center of TV program packaging and sending system
12/13/2000CN1276685A Advanced set top terminal of cable TV sending system
12/13/2000CN1276684A Advanced set top terminal of cable TV sending system
12/13/2000CN1276683A Advanced set top terminal of cable TV sending system
12/13/2000CN1276682A Advanced set top terminal of cable TV sending system
12/13/2000CN1276670A Method and device for processing automatic dialing link of communication equipment
12/13/2000CN1276666A Random selection system and method for access repeater of virtual private network
12/13/2000CN1276659A Method and device for generating antiforge authentication data, its authentication method and device, and its system
12/12/2000US6161183 Data verifying method apparatus for creating data to be verified and data verifying apparatus
12/12/2000US6161181 Secure electronic transactions using a trusted intermediary
12/12/2000US6161180 Authentication for secure devices with limited cryptography
12/12/2000US6160891 Methods and apparatus for recovering keys
12/12/2000US6160890 Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded
12/12/2000US6160888 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
12/12/2000US6160874 Validation gateway
12/12/2000CA2238545C An improved pseudo-random generator
12/07/2000WO2000074345A1 Method and apparatus for secure communication
12/07/2000WO2000074301A1 Method and apparatus for secure creation of public/private key pairs
12/07/2000WO2000074298A1 Technique for split knowledge backup and recovery of a cryptographic key
12/07/2000WO2000074297A2 Method and apparatus for secure distribution of public/private key pairs
12/07/2000WO2000074059A1 A semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method, and computer-readable recording medium
12/07/2000WO2000073913A1 System for providing a trustworthy user interface
12/07/2000WO2000073879A1 System for digitally signing a document
12/07/2000WO2000050974A3 Globally time-synchronized systems, devices and methods
12/07/2000WO2000043853A3 Automatic virtual negotiations
12/06/2000EP1058455A1 Image sequence decoder for rapid avance
12/06/2000EP1058429A1 Communication system and communication method
12/06/2000EP1057299A1 Information access control system and method
12/06/2000EP1057145A1 Biometric identification mechanism that preserves the integrity of the biometric information
12/06/2000EP1057096A2 Data carrier with obscured power consumption
12/06/2000EP1057095A1 Transmitting reviews with digital signatures
12/06/2000EP1057094A1 Smart integrated circuit
12/06/2000EP0894322B1 Method and device for recording/ processing of authentic image and/or audio data
12/06/2000CN1276117A Method for the cryptographic conversion of L-bit input blocks of digital data into L-bit output blocks
12/06/2000CN1276073A Arrangement for encryption/decryption of data carrier incorporating same
12/06/2000CN1275866A Reprogrammable terminal for recommended program in television program transmission system
12/06/2000CN1275846A Device and method for data encipher
12/05/2000US6158005 Cloning protection scheme for a digital information playback device
12/05/2000US6158003 Method and system for electronic document certification
12/05/2000US6157953 Authentication and access control in a management console program for managing services in a computer network
12/05/2000US6157723 Method and apparatus for secure communications with encryption key scheduling
12/05/2000US6157722 Encryption key management system and method
12/05/2000US6157721 Systems and methods using cryptography to protect secure computing environments
12/05/2000US6157720 Method and apparatus for encrypting data
12/05/2000CA2287130C Trusted agents for open electronic commerce
12/05/2000CA2024641C Method and apparatus for encrypting and decrypting time domain signals
11/2000
11/30/2000WO2000072576A1 Method and system for delivery of a facsimile
11/30/2000WO2000072507A1 Method and system for verifying a sensor identity
11/30/2000WO2000072506A1 Method and apparatus for initializing secure communications among, and for exclusively pairing wireless devices
11/30/2000WO2000072505A1 Network publishing authorization protocol
11/30/2000WO2000072504A1 Private key recovery
11/30/2000WO2000072503A1 Interactive device network registration protocol
11/30/2000WO2000072502A1 Method for verifying the integrity and authorship of, and encoding and decoding texts
11/30/2000WO2000072501A1 Electronic transmission and authentication of texts
11/30/2000WO2000072500A2 Information encryption system and method
11/30/2000WO2000072499A1 Network printer registration protocol
11/30/2000WO2000072287A1 Orientation sensing device
11/30/2000WO2000072248A1 Method and system for providing a copy of a printed page
11/30/2000WO2000072243A1 Method and system for delivery of electronic mail
11/30/2000WO2000072238A1 System for data transfer
11/30/2000WO2000072237A1 Method and system for creation and use of a photo album
11/30/2000WO2000072236A1 Method and system for delivery of a greeting card
11/30/2000WO2000072235A1 Method and system for delivery of a book
11/30/2000WO2000072234A1 Method and system for delivery of a brochure
11/30/2000WO2000072233A1 Method and system for delivery of a newspaper or magazine
11/30/2000WO2000072232A1 Method and system for providing targeted information in a document
11/30/2000WO2000072230A1 Movement sensing device
11/30/2000WO2000072202A1 Method and system for providing information in a document
11/30/2000WO2000072138A1 Method and system for delivery of a secure document
11/30/2000WO2000072137A1 Method and system for distributing documents
11/30/2000WO2000072136A1 Network terminal authorization protocol
11/30/2000WO2000072135A1 Computer system control with user data via interface surface
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