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)
06/2002
06/26/2002CN1355632A Size variable key and method and device for using said key
06/26/2002CN1086882C Method and system for secure transmission and storage of protectable information
06/26/2002CN1086825C Data-transmission device for use in vehicle and pulse generator thereof
06/26/2002CN1086818C Method for generaitng dynamic electronic cipher
06/26/2002CN1086655C Method for protecting devices, specially car radios against theft
06/25/2002US6412072 Parasitically powered microprocessor capable of transmitting data over a single data line and ground
06/25/2002US6411716 Method of changing key fragments in a multi-step digital signature system
06/25/2002US6411715 Methods and apparatus for verifying the cryptographic security of a selected private and public key pair without knowing the private key
06/25/2002US6410791 Salbutamol; respiratory system disorders
06/25/2002US6409089 Method for protecting the audio/visual data across the NRSS interface
06/20/2002WO2002049269A1 Electronic postmarking without directly utilizing an electronic postmark server
06/20/2002WO2002049268A1 Authentication method, communication apparatus, and relay apparatus
06/20/2002WO2002049267A1 System for secure optical transmission of binary code
06/20/2002WO2002049266A2 Method and device for detecting a key pair and for generating rsa keys
06/20/2002WO2002048973A2 A remote control account authorization system
06/20/2002WO2002048858A2 Method and system for acces in open service architecture
06/20/2002WO2002048857A2 Cryptographic processor
06/20/2002WO2002048848A2 Method and appartus for delegating digital signatures to a signature server
06/20/2002WO2002005484A3 Systems and methods for pki-enabling applications using application-specific certificates
06/20/2002WO2001059544A3 Security module system, apparatus and process
06/20/2002US20020078375 Portable player security system
06/20/2002US20020078372 Systems and methods for protecting information on a computer by integrating building security and computer security functions
06/20/2002US20020078369 Method and system for providing territory control in a computer system
06/20/2002US20020078364 Method and apparatus for protecting data
06/20/2002US20020078362 Security system
06/20/2002US20020078360 Method of conducting transactions
06/20/2002US20020078358 Electronic voting system
06/20/2002US20020078356 Contents copy managing system and method thereof, information processing device and method thereof, server, and storing medium
06/20/2002US20020078355 Method and apparatus for delegating digital signatures to a signature server
06/20/2002US20020078354 Method and system for authorizing generation of asymmetric crypto-keys
06/20/2002US20020078353 High security cryptosystem
06/20/2002US20020078352 Secure communication by modification of security codes
06/20/2002US20020078351 Secret key Messaging
06/20/2002US20020078350 System and method for password throttling
06/20/2002US20020078349 Message parser and formatter
06/20/2002US20020078347 Method and system for using with confidence certificates issued from certificate authorities
06/20/2002US20020078346 Secure communications network with user control of authenticated personal information provided to network entities
06/20/2002US20020078345 System and method for authentication in a crypto-system utilizing symmetric and asymmetric crypto-keys
06/20/2002US20020078344 System and method for generation and use of asymmetric crypto-keys each having a public portion and multiple private portions
06/20/2002US20020078342 E-commerce security processor alignment logic
06/20/2002US20020078243 Method and apparatus for time synchronization in a network data processing system
06/20/2002US20020077990 Method for reissuing indicium in a postage metering system
06/20/2002US20020077078 Method of securing communication
06/20/2002US20020077063 Contactless data transmission system
06/20/2002US20020076204 Key management device/method/program, recording medium, reproducing device/method, recording device, and computer-readable, second recording medium storing the key management program for copyright protection
06/20/2002US20020076055 Encryption management system and method
06/20/2002US20020076054 Session shared key sharing method, wireless terminal authentication method, wireless terminal, and base station device
06/20/2002US20020076053 Communication system, its control method, program and medium
06/20/2002US20020076052 Incorporating shared randomness into distributed cryptography
06/20/2002US20020076045 Cryptographic key split combiner
06/20/2002US20020076044 Method of and system for encrypting messages, generating encryption keys and producing secure session keys
06/20/2002US20020076042 System and method for crypto-key generation and use in cryptosystem
06/19/2002EP1215904A2 Broadcast and reception system, and receiver/decoder and remote controller therefor
06/19/2002EP1215903A2 Multiple signature authentication in conditional access systems
06/19/2002EP1215844A2 Key management device/method/program, recording medium, reproducing device/method, recording device, and computer-readable, second recording medium storing the key management program for copyright protection
06/19/2002EP1215843A2 Methods and apparatus for implementing a cryptography engine
06/19/2002EP1215842A2 Methods and apparatus for implementing a cryptography engine
06/19/2002EP1215841A2 Methods and apparatus for implementing a cryptography engine
06/19/2002EP1215840A2 Contact-free data transmission system
06/19/2002EP1215674A2 Data transfer and recording of copyright protected content data
06/19/2002EP1215636A2 Method of conducting transactions
06/19/2002EP1214829A2 Method for device registration in a wireless home network
06/19/2002EP1214812A1 Method of data protection
06/19/2002EP1214811A1 Key management methods for secure communication systems
06/19/2002EP1214694A1 Method for secure identification of a person and portable device implementing said method
06/19/2002EP1214680A1 Method and system for creation and use of a photo album
06/19/2002EP1214679A1 Movement sensing device
06/19/2002EP1214654A1 Keyboard motion detector
06/19/2002EP1214638A2 Electronic book security and copyright protection system
06/19/2002EP1214265A1 Elevator with access security
06/19/2002CN1354946A Local digital network especially digital home network and method for creating and updating such network
06/19/2002CN1354936A Method and apparatus for protecting file system based on digital signature
06/19/2002CN1354935A Digital file management and imaging system and method including secure file marking
06/19/2002CN1354934A System and method for enabling secure acess to service in computer network
06/19/2002CN1354933A Secure control of security mode
06/19/2002CN1354929A Method and apparatus for secure distribution of authentication credentials to roaming users
06/19/2002CN1354110A Anti-theft method for vehicle by using special ignition key
06/19/2002CN1086527C Method and apparatus for authentication in communication system
06/19/2002CA2365502A1 Authorization conditioned object message download
06/18/2002US6408389 System for supporting secured log-in of multiple users into a plurality of computers using combined presentation of memorized password and transportable passport record
06/18/2002US6408388 Personal date/time notary device
06/18/2002US6408175 Method of managing mobile station operational parameters
06/18/2002US6408077 Descrambling device of a security element and security element comprising such a device
06/18/2002US6408076 Digital video broadcasting
06/18/2002US6408075 Information processing equipment and IC card
06/18/2002US6408074 Hardware architecture for a configurable cipher device
06/18/2002US6405923 Method for secure distribution of data
06/18/2002CA2365504A1 Multiple signature authentication in conditional access systems
06/13/2002WO2002047356A2 Method of secure transmission of digital data from a source to a receiver
06/13/2002WO2002047319A1 A communication system with ciphering key generation
06/13/2002WO2002047272A2 A method of performing mathematical operations in an electronic device, a method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data
06/13/2002WO2002047081A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
06/13/2002WO2002047080A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
06/13/2002WO2002046941A1 Portable information apparatus, personal authentication system, and method for erasing authentication data
06/13/2002WO2002046912A1 Method and device for generating a pseudo random sequence using a discrete logarithm
06/13/2002WO2002028509A3 Fluid separation conduit cartridge
06/13/2002WO2002021803A3 Providing secure network access for short-range wireless computing devices
06/13/2002WO2002017539A3 Distributed information system and protocol for affixing electronic signatures and authenticating documents
06/13/2002WO2002014985A3 Automated payment system
06/13/2002WO2002011360A3 Cryptography private key storage and recovery method and apparatus
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