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)
09/2002
09/04/2002CN1367967A Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
09/04/2002CN1367966A Wireless portable device capable of performing various functions with enhanced security
09/04/2002CN1367909A Method and system for providing targeted information in document
09/04/2002CN1367595A Method for filtering electronic mail contents in interconnection network
09/04/2002CN1367441A Network system for conveniencing customer to draw lottery and exchange ottery and its data processing method
09/03/2002US6446207 Verification protocol
09/03/2002US6446205 Cryptosystems with elliptic curves chosen by users
09/03/2002US6446051 Document transfer systems
09/03/2002US6445797 Method and system for performing secure electronic digital streaming
09/03/2002US6445794 System and method for synchronizing one time pad encryption keys for secure communication and access control
09/03/2002US6445780 Method and system for ensuring the security of telephone call management centers
09/03/2002US6445678 Method and apparatus for implementing leaf node proxy in a network
09/03/2002US6445281 Dynamically controlled electronic locking system and control system fitted with such a locking system
09/03/2002US6444999 Quantum circuit
08/2002
08/29/2002WO2002067586A1 Transmitter
08/29/2002WO2002067548A1 Encrypted media key management
08/29/2002WO2002067495A2 Method and apparatus for providing authentication in a communication system
08/29/2002WO2002067494A1 Method and system for secured transmission of code keys and for the transmission of commands and data in data networks
08/29/2002WO2002067493A2 Timed-release cryptography
08/29/2002WO2002067486A2 Method and apparatus for storing and distributing encryption keys
08/29/2002WO2002067256A1 Computer program copy management system
08/29/2002WO2002067205A1 Keyless access authorization control device and identification transmitter therefor
08/29/2002WO2002067191A1 Security module comprising a volatile memory for storing an algorithm code
08/29/2002WO2002067174A2 Detecting compromised ballots
08/29/2002WO2002067097A2 Authentication method and data transmission system
08/29/2002WO2002056537A8 Method for certifying and unifying delivery of electronic packages
08/29/2002WO2002037222A3 Electronic file protection using location
08/29/2002WO2002009380A3 Data transmission using pulse with modulation
08/29/2002WO2001003015A9 Method and system for user registration
08/29/2002WO2000050974A9 Globally time-synchronized systems, devices and methods
08/29/2002US20020120851 Device and method for data timestamping
08/29/2002US20020120850 Method and apparatus for verifying secure document timestamping
08/29/2002US20020120847 Authentication method and data transmission system
08/29/2002US20020120844 Authentication and distribution of keys in mobile IP network
08/29/2002US20020120840 Configurable PKI architecture
08/29/2002US20020120839 Routing networks for use with watermark systems
08/29/2002US20020120838 Data encryption using stateless confusion generators
08/29/2002US20020120757 Controlled access system for online communities
08/29/2002US20020120669 System and method for making available identical random data to seperate and remote parties
08/29/2002US20020120592 Order invariant fuzzy commitment system
08/29/2002US20020120588 Method and apparatus for negotiation
08/29/2002US20020120580 Secure data transfer apparatus and method
08/29/2002US20020120574 Content receiving apparatus and method, storage medium, and server
08/29/2002US20020120465 Utilizing and delivering contents
08/29/2002US20020118864 Personal authentication method and device
08/29/2002US20020118838 Copy protection method and system for digital media
08/29/2002US20020118833 Compact and low-cost system for receiving scrambled signals from a plurality of operators
08/29/2002US20020118830 Pseudorandom number generating apparatus or encryption or decryption apparatus using the same
08/29/2002US20020118829 Method and system for processing a data set
08/29/2002US20020118828 Encryption apparatus, decryption apparatus, and authentication information assignment apparatus, and encryption method, decryption method, and authentication information assignment method
08/29/2002US20020118827 Block cipher method
08/29/2002US20020118394 Watermark systems and methods
08/29/2002DE10107373A1 Sicherheitsmodul mit flüchtigem Speicher zur Speicherung eines Algorithmuscodes Security module with volatile memory for storing an algorithm code
08/29/2002DE10106956A1 Schlüssellose Zugangsberechtigungskontrolleinrichtung sowie Identifikationsgeber dafür Keyless access authorization control device and identification device for
08/29/2002DE10106083A1 Verfahren zur Zuordnung von digitalen Zeitstempeln A method for assigning digital timestamps
08/29/2002DE10103451A1 Verfahren für eine Kommunikation zwischen zwei Netzwerk-Teilnehmern A method for communication between two network nodes
08/29/2002DE10102779A1 Verfahren zur Autorisierung in Datenübertragungssystemen A method of authorization in data communications systems
08/29/2002CA2438985A1 Detecting compromised ballots
08/28/2002EP1235432A1 Receiver for multi-operator encrypted signals with reduced congestion and lower costs
08/28/2002EP1235381A1 Information processing device, information processing method and program storage medium
08/28/2002EP1235380A1 Data reproducing/recording apparatus / method and list updating method
08/28/2002EP1235135A2 Method and apparatus for generating distributed digital signatures
08/28/2002EP1234405A2 Synchronization of authentication ciphering offset
08/28/2002EP1234404A2 Generation of a mathematically constrained key using a one-way function
08/28/2002EP1234403A2 Cryptographic isolator using multiplication
08/28/2002EP1234284A1 Method for making secure the pre-initialising phase of a silicon chip integrated system, in particular a smart card and integrated system therefor
08/28/2002EP1234276A1 Business card as electronic mail token
08/28/2002EP1234239A2 Microprocessor arrangement having an encoding function
08/28/2002EP1234227A2 Computer efficient linear feedback shift register
08/28/2002EP1080414A4 Method and system for secure transactions in a computer system
08/28/2002EP0986872B1 Device for carrying out a block cipher method
08/28/2002EP0938810B1 Semiconductor imaging sensor with on-chip encryption
08/28/2002CN1366637A Data recording/reproducing device and saved data processing method, and program providing medium
08/28/2002CN1366631A Method and apparatus for secure content distribution
08/28/2002CN1366396A Antiforge method and antiforge card of information network
08/28/2002CN1366395A Equipment and method used for encryption, deciphering and identified information distribution
08/28/2002CN1366263A Electronic trade system and its method
08/28/2002CN1089852C 车载通讯装置 Telematics devices
08/27/2002US6442691 Authenticated time device
08/27/2002US6442690 Apparatus and methods for managing key material in heterogeneous cryptographic assets
08/27/2002US6442689 Apparatus and method for demonstrating and confirming the status of a digital certificates and other data
08/27/2002US6442688 Method and apparatus for obtaining status of public key certificate updates
08/27/2002US6442686 System and methodology for messaging server-based management and enforcement of crypto policies
08/27/2002US6442532 Wireless transaction and information system
08/27/2002US6442525 System for authenticating physical objects
08/22/2002WO2002065697A2 Apparatus and method for authenticating access to a network resource
08/22/2002WO2002065696A1 A security architecture
08/22/2002WO2002065695A1 Handle deciphering system and handle deciphering method, and program
08/22/2002WO2002065694A1 A key management system and method
08/22/2002WO2002065693A2 Cryptographic key generation apparatus and method
08/22/2002WO2002065692A1 Method for securing a computer installation involving a cryptographic algorithm using boolean operations and arithmetic operations and the corresponding embedded system
08/22/2002WO2002065691A1 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols
08/22/2002WO2002065650A2 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols
08/22/2002WO2002065371A1 Method for generation, delivery, and validation of electronic coupons through personal tv service system
08/22/2002WO2002065352A1 Secure network access
08/22/2002WO2002065311A1 Authentication method, authentication system, authentication device, and module for authentication
08/22/2002WO2002039224A3 Methods for distributed trust environment
08/22/2002WO2001099388A3 Digital signature system and method
08/22/2002WO2000030285A9 Method and apparatus for secure distribution of authentication credentials to roaming users
08/22/2002US20020116703 Data reception apparatus, data communication apparatus, information presentation apparatus, television control apparatus, data reception method, data communication method, information presentation method, and television control method
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