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)
07/2000
07/18/2000US6092191 Packet authentication and packet encryption/decryption scheme for security gateway
07/18/2000US6092051 Secure receipt-free electronic voting
07/18/2000US6091821 Pipelined hardware implementation of a hashing algorithm
07/18/2000US6091820 Method and apparatus for achieving perfect forward secrecy in closed user groups
07/18/2000US6091819 Accelerating public-key cryptography by precomputing randomly generated pairs
07/18/2000US6091818 Conditional access system using messages with multiple encryption keys
07/18/2000US6091816 Integrated audio recording and GPS system
07/13/2000WO2000041357A1 Exchanging a secret over an unreliable network
07/13/2000WO2000041356A1 Method and device for cryptographically processing data
07/12/2000EP1018239A1 Method and system for transient key digital time stamps
07/12/2000EP1018238A2 Method and apparatus for generating encryption stream ciphers
07/12/2000EP1018237A1 Method and system of dynamic transformation of encrypted material
07/12/2000EP1018231A1 A data encryption system for internet communication
07/12/2000EP1018078A1 Method and apparatus for protection of recorded digital data
07/12/2000EP0922347B1 Process for sensing manipulations of digital information
07/12/2000EP0671090A4 Method and apparatus for improved security within encrypted communication devices
07/12/2000EP0627142A4 Method and apparatus of controlling processing devices during power transition
07/12/2000CN1260056A 访问控制系统 Access Control System
07/12/2000CN1259827A Advanced top terminal for cable TV transmission system
07/12/2000CN1259826A Advanced top terminal for cable TV transmission system
07/12/2000CN1259811A Method and device used for secret in communication system
07/11/2000US6088800 Encryption processor with shared memory interconnect
07/11/2000US6088798 Digital signature method using an elliptic curve, a digital signature system, and a program storage medium having the digital signature method stored therein
07/11/2000US6088687 Billing procedure and system for data transmission networks
07/11/2000US6088456 Data encryption technique
07/11/2000US6088454 Key management method, encryption system, and sharing digital signature system which have hierarchies
07/11/2000US6088450 Authentication system based on periodic challenge/response protocol
07/11/2000US6088449 Tri-signature security architecture systems and methods
07/11/2000US6087963 Vehicle-mounted device for automatic charge receipt system
07/11/2000CA2093094C Method and apparatus for creating, supporting, and using travelling programs
07/06/2000WO2000039958A1 Method and system for implementing a digital signature
07/06/2000WO2000039957A1 Exclusive key sharing method
07/06/2000WO2000039660A1 Smart integrated circuit
07/06/2000WO2000039659A1 Transmitting reviews with digital signatures
07/06/2000WO2000021020A3 Card for interaction with a computer
07/06/2000WO1999066669A9 Block ciphers with integer multiplication, data-dependent and fixed number of rotations in each round
07/06/2000DE19963559A1 Equipment-specific software protection involves encoding digital data using key generated from format information read for memory device, writing encoded data onto memory device
07/06/2000DE19960977A1 Data achiving system with access check on data recall, has third party acting as manager
07/05/2000EP1017223A2 System for authenticating digital data
07/05/2000EP1017025A2 Receipt-free electronic voting method and system
07/05/2000EP1016240A1 Improved block cipher method
07/05/2000EP1016239A1 Encryption method and apparatus with variable encryption strength
07/05/2000EP1016109A1 Method for requesting and transferring information in a digital audio broadcasting system
07/05/2000EP1015995A1 Graphical user interface for web enabled applications
07/05/2000EP1015986A1 Integrated customer interface for web based communications network management
07/05/2000EP1015970A2 Integrated customer interface for web-based data management
07/05/2000CN1259260A Conditional access system for set-top boxes
07/05/2000CN1054245C Apparatus and method for data encrypting
07/04/2000US6085323 Information processing system having function of securely protecting confidential information
07/04/2000US6085322 Method and apparatus for establishing the authenticity of an electronic document
07/04/2000US6085321 Unique digital signature
07/04/2000US6085320 Client/server protocol for proving authenticity
07/04/2000US6085178 Apparatus and method for communicating between an intelligent agent and client computer process using disguised messages
07/04/2000US6085103 Compensating for fading in analog AM radio signals
07/04/2000US6084966 Communicating encrypted signals in which random bits and random bit position data are inserted
07/04/2000US6084965 Identification scheme, digital signature scheme giving message recovery and digital signature scheme with appendix
07/04/2000CA2073065C Method and system for personal identification using proofs of legitimacy
06/2000
06/29/2000WO2000038426A1 Method and system for protecting digital data from unauthorized copying
06/29/2000WO2000038382A1 Communication system and communication method
06/29/2000WO2000038365A1 Auto-recoverable auto-certifiable cryptosystems with unescrowed signature-only keys
06/29/2000CA2356665A1 Auto-recoverable auto-certifiable cryptosystems with unescrowed signature-only keys
06/29/2000CA2321255A1 Method and system for protecting digital data from unauthorized copying
06/28/2000EP1014672A2 Arrangement for billing or billing authorization using a calling card
06/28/2000EP1014671A2 Arrangement for billing or billing authorization using a telecommunication network
06/28/2000EP1014618A1 Content processing system
06/28/2000EP1014617A2 Method and apparatus for elliptic curve cryptography and recording medium therefor
06/28/2000EP1014311A2 Method and apparatus for securely transmitting keys from a postage metering apparatus to a remote data center
06/28/2000EP1014310A2 Certificate meter with selectable indemnification provisions
06/28/2000EP1013091A1 Source authentication of download information in a conditional access system
06/28/2000EP1013090A1 Method and system for transmitting and decoding data in a signal
06/28/2000EP1013073A1 Method for generating and verifying degital watermarks and for exchanging data containing digital watermarks
06/28/2000EP1013031A2 Improved tri-signature security architecture systems and methods
06/28/2000EP1013029A1 Method of loading commands in the security module of a terminal
06/28/2000EP1013026A2 Cryptographic co-processor
06/28/2000EP1013024A1 System and method for processing transaction messages
06/28/2000EP1012830A1 System and method for securing speech transactions
06/28/2000EP1012694A1 Automatic access of electronic information through machine-readable codes on printed documents
06/28/2000EP1012689A1 Biometric input with encryption
06/28/2000CN2385037Y Tm电子锁 Tm electronic lock
06/28/2000CN1258359A Method and apparatus for signing and sealing objects
06/28/2000CN1258057A Information processing device
06/27/2000USRE36752 Cryptographic authentication of transmitted messages using pseudorandom numbers
06/27/2000US6081899 Time stamp authority hierarchy protocol and associated validating system
06/27/2000US6081895 Method and system for managing data unit processing
06/27/2000US6081893 System for supporting secured log-in of multiple users into a plurality of computers using combined presentation of memorized password and transportable passport record
06/27/2000US6081794 Data copyright management system
06/27/2000US6081793 Method and system for secure computer moderated voting
06/27/2000US6081784 Methods and apparatus for encoding, decoding, encrypting and decrypting an audio signal, recording medium therefor, and method of transmitting an encoded encrypted audio signal
06/27/2000US6081598 Cryptographic system and method with fast decryption
06/27/2000US6081597 Public key cryptosystem method and apparatus
06/27/2000CA2210211C Method of and apparatus for generating a pseudorandom noise sequence
06/27/2000CA2141900C Secure communication apparatus and method
06/24/2000CA2293117A1 System, apparatus, computer product and method for procuring encryption keys
06/23/2000CA2293101A1 Arrangement for billing or billing authorization using a calling card
06/23/2000CA2293098A1 Arrangement for billing or billing authorization using a telecommunication network
06/22/2000WO2000036860A1 A method for controlling connections to a mobile station
06/22/2000WO2000036787A1 Method for negotiating weakened keys in encryption systems
06/22/2000WO2000036786A1 Cryptographic device with encryption blocks connected in parallel
06/22/2000WO2000036778A2 Method for transporting packets between an access interface and a shared network
06/22/2000WO2000036566A1 Biometric identification mechanism that preserves the integrity of the biometric information
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