Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
05/2002
05/10/2002WO2002037242A2 Method and system for processing a request of a customer
05/10/2002WO2002037222A2 Electronic file protection using location
05/10/2002WO2002037219A2 Method and apparatus for evaluating fraud risk in an electronic commerce transaction
05/10/2002CA2427415A1 Method and system for automatically publishing content
05/10/2002CA2426168A1 Method and apparatus for evaluating fraud risk in an electronic commerce transaction
05/09/2002US20020056044 Security system
05/09/2002US20020056043 Method and apparatus for securely transmitting and authenticating biometric data over a network
05/09/2002US20020056042 System and methods for generating trusted and authenticatable time stamps for electronic documents
05/09/2002US20020056040 System and method for establishing secure communication
05/09/2002US20020056039 System for providing certification confirming agency service using double electronic signature
05/09/2002US20020055987 Mobile computing service system
05/09/2002US20020054682 Method and device for protecting the contents of an electronic document
05/09/2002US20020054679 Cascaded stream cipher
05/09/2002US20020054587 Integrated customer web station for web based call management
05/09/2002US20020054334 Document transmission Techniques I
05/09/2002CA2359922A1 Management of certificates for public key infrastructure
05/08/2002EP1204237A1 Encryption communication system
05/08/2002EP1204236A1 System and method for processing information using encryption key block
05/08/2002EP1203482A2 Dynamic wireless internet address assignment scheme with authorization
05/08/2002EP1203479A2 Peer-to-peer network user authentication protocol
05/08/2002EP1203332A1 System and method for providing certification-related and other services
05/08/2002EP1203284A1 Method and system for conferencing
05/08/2002EP0848316B1 System and method for secure information transmission over a network
05/08/2002DE10053390A1 Modul zur sicheren Übertragung von Daten Module for the secure transmission of data
05/08/2002CN1348646A Method and device for effective key length control
05/08/2002CN1348309A Information processing apparatus and method, and recording medium
05/08/2002CN1348278A Enciphering course related enciphering method
05/08/2002CN1084564C Secret key trustment system and method without preset assigned secret keys for communication
05/08/2002CN1084563C Method of safely transmitting data for safety data exchange protocol
05/08/2002CN1084495C 口令处理方法 Password processing method
05/07/2002US6385723 Key transformation unit for an IC card
05/07/2002US6385644 Multi-threaded web based user inbox for report management
05/07/2002US6385614 Electronic bookshelf with multi-user features
05/07/2002US6385318 Encrypting method, deciphering method and certifying method
05/07/2002US6385317 Method for providing a secure communication between two devices and application of this method
05/07/2002US6385316 Method and apparatus for encrypting data in a wireless communication system
05/07/2002CA2256179C Encryption and decryption devices for public-key cryptosystems and recording medium with their processing programs recorded thereon
05/02/2002WO2002035795A1 Transparent proxy server
05/02/2002WO2002035764A2 Process and apparatus for improving the security of digital signatures
05/02/2002WO2002035763A2 Module for secure transmission of data
05/02/2002WO2002008850A3 System and method for cardless secure credit transaction processing
05/02/2002WO2001048594A3 Computer efficient linear feedback shift register
05/02/2002WO2001046784A3 Method and apparatus for authenticating time-sensitive interactive communications
05/02/2002US20020053030 Method and system for data encryption/decryption in a client-server architecture
05/02/2002US20020053028 Process and apparatus for improving the security of digital signatures and public key infrastructures for real-world applications
05/02/2002US20020053027 Method for preventing theft of vehicles by performing ignition key authorization
05/02/2002US20020053025 System for broadcasting to, and programming, a mobile device in a protocol
05/02/2002US20020053024 Encrypted program distribution system using computer network
05/02/2002US20020053019 System, computer product and method for secure electronic mail communication
05/02/2002US20020052218 Network-based system and method for supporting communications between a sender and a receiver upon requests of the receiver
05/02/2002US20020051545 Encryption multiplexing
05/02/2002US20020051544 User support system for cryptographic communication in network systems
05/02/2002US20020051543 Fast irreducibility and subgroup membership testing in XTR
05/02/2002US20020051541 System and method for maintaining state between a client and server
05/02/2002US20020051540 Cryptographic system and method for geolocking and securing digital information
05/02/2002US20020051538 Kernel mode protection
05/02/2002US20020051537 Method and apparatus for realizing a parallelizable variable-input-length pseudorandom function
05/02/2002US20020051535 Encryption key generation circuit
05/02/2002US20020051534 Cryptographic system with enhanced encryption function and cipher key for data encryption standard
05/02/2002US20020051150 Method, system, and recording medium for printing service
05/02/2002EP1202497A2 Network communication apparatus and bridge apparatus
05/02/2002EP1202488A2 Encryption sub-key generation circuit
05/02/2002EP1202175A2 System and method for distributed management of shared computers
05/02/2002EP1201057A1 Method and device for guaranteeing the integrity and authenticity of a set of data
05/02/2002EP1201056A1 A method for protecting a portable card
05/02/2002EP1200913A1 Method and system for sensing device registration
05/02/2002EP1200912A1 Method and system for user registration
05/02/2002EP1200889A1 Method for improving a random number generator to make it more resistant against attacks by current measuring
05/02/2002EP0858697A4 Computerized payment system for purchasing goods and services on the internet
05/02/2002EP0780039A4 Roving software license for a hardware agent
05/02/2002CA2426865A1 Process and apparatus for improving the security of digital signatures and public key infrastructures for real-world applications
05/01/2002CN1347614A Method and system in telephone exchange system
05/01/2002CN1347607A Method and apparatus for generating encryption stream ciphers
05/01/2002CN1347605A Key management for telephone calls to protect signaling and call packets between CTAs
05/01/2002CN1347539A Communication system and method for efficiently implementing electronic transactions in mobile communication networks
05/01/2002CN1347225A Safety control method for copyright
05/01/2002CN1347055A Digital content data forming system
04/2002
04/30/2002US6381699 Leak-resistant cryptographic method and apparatus
04/30/2002US6381696 Method and system for transient key digital time stamps
04/30/2002US6381695 Encryption system with time-dependent decryption
04/30/2002US6381331 Information sending system and method for sending encrypted information
04/30/2002CA2361966A1 System for managing oil and gas exploration and production data and related transactions
04/30/2002CA2360623A1 System computer product and method for secure electronic mail communication
04/25/2002WO2002033905A1 Communication apparatus, communication system and communication method
04/25/2002WO2002033891A2 Secure and reliable document delivery using routing lists
04/25/2002WO2002033887A2 Multiple authentication sessions for content protection
04/25/2002WO2002033886A2 Secured transmission and archiving of data
04/25/2002WO2002033884A2 Method and apparatus for providing a key distribution center
04/25/2002WO2002033883A2 Generation of a common encryption key
04/25/2002WO2002033881A2 Fast escrow delivery
04/25/2002WO2002033880A1 Data reproducing/recording apparatus / method and list updating method
04/25/2002WO2002033879A2 Security system
04/25/2002WO2002033830A1 Content digital package system
04/25/2002WO2002033608A1 Bidding system
04/25/2002WO2002033524A1 A universal signature object for digital data
04/25/2002WO2002033521A2 Method and apparatus for controlling access to functions with different security levels
04/25/2002WO2001071970A3 Methods and systems for efficient chained certification
04/25/2002WO2001047178A3 Generation of a mathematically constrained key using a one-way function
04/25/2002WO2000045550A3 Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of two
04/25/2002US20020049912 Access control method