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)
10/2003
10/11/2003CA2424484A1 Method for strengthening the implementation of ecdsa against power analysis
10/09/2003WO2003084257A1 Method and system for re-authentication in ip multimedia core network system (ims)
10/09/2003WO2003084166A1 Key management protocol
10/09/2003WO2003084127A1 An instant log-in method for authentificating a user and settling bills by using two different communication channels and a system thereof
10/09/2003WO2003084124A1 Apparatus and method for transactions security using biometric identity validation and contactless smartcard.
10/09/2003WO2003084123A1 End-to-end protection of media stream encryption keys for voice-over-ip systems
10/09/2003WO2003084121A1 Method and apparatus for chaotic opportunistic lossless compression of data
10/09/2003WO2003084120A1 Circuit arrangement for securing information exchange between a transmitter and a receiver
10/09/2003WO2003084077A1 Variable/fixed length data conversion method and device
10/09/2003WO2003083806A1 Encryptor/decryptor and encrypting/decrypting device using the same
10/09/2003WO2003083793A2 System and method for secure credit and debit card transactions
10/09/2003WO2003039065A3 Method for secure operation of a functional module in an electronic component and corresponding component
10/09/2003WO2003036974A3 Method for verifying television receiver sets with access control and corresponding receiver set
10/09/2003WO2003034654A3 Method and device for data protection
10/09/2003WO2003021849A3 A non-algebraic cryptographic architecture
10/09/2003WO2002073542A3 Method for the safe use and transmission of biometric data for authentication purposes
10/09/2003WO2002062054A3 Initial viewing period for authorization of multimedia content
10/09/2003WO2002052389A3 Anti-cloning method
10/09/2003WO2002037246A3 System and method for using location identity to control access to digital information
10/09/2003WO2002033887A3 Multiple authentication sessions for content protection
10/09/2003WO2002021462A3 Method for securing digital goods on sale thereof over a computer network
10/09/2003US20030191970 Secure server architecture for web based data management
10/09/2003US20030191956 Utilizing a key for enciphering and deciphering that is modified during enciphering and deciphering
10/09/2003US20030191955 System and method for securely upgrading firmware
10/09/2003US20030191950 Constructions of variable input length cryptographic primitives for high efficiency and high security
10/09/2003US20030191948 Security method and apparatus
10/09/2003US20030191936 Access control method and system
10/09/2003US20030191848 Access and control system for network-enabled devices
10/09/2003US20030190046 Three party signing protocol providing non-linkability
10/09/2003US20030190045 Apparatus and method for protecting privacy while revealing data
10/09/2003US20030190044 Content using system
10/09/2003US20030190042 Data process apparatus and method therefor
10/09/2003US20030190041 Expansion key generating device, encryption device and encryption system
10/09/2003CA2505920A1 System and method for secure credit and debit card transactions
10/09/2003CA2477571A1 Key management protocol
10/08/2003EP1351432A1 Methods and apparatus for performing hash operations in a cryptography accelerator
10/08/2003EP1351431A1 Method and apparatus for managing and processing digital signatures
10/08/2003EP1351430A1 Expansion key generating device, encryption device and encryption system
10/08/2003EP1350358A2 Method and system for processing of documents with electronic signatures
10/08/2003EP1350357A1 Method for enhancing security of public key encryption schemas
10/08/2003EP1350356A2 A method and system for authorizing generation of asymmetric crypto-keys
10/08/2003EP1350219A1 Method and apparatus for the compression and decompression of image files using a chaotic system
10/08/2003CN1448016A Method and appts. for granting use of session of packet data transmission standard designated by indentifier
10/08/2003CN1447956A Monetary system having public key infrastructure
10/08/2003CN1447558A Quantum encryption method for realizing safety communication
10/07/2003US6631472 Kernel mode protection
10/07/2003US6631471 Information processing equipment
10/07/2003US6631402 Integrated proxy interface for web based report requester tool set
10/05/2003CA2380702A1 Method and apparatus for location dependent software applications
10/02/2003WO2003081934A1 Apparatus, method and system for authentication
10/02/2003WO2003081885A1 Application program interface
10/02/2003WO2003081840A1 Method and system relating to a non-repudiation message exchange
10/02/2003WO2003081838A1 Random data method and apparatus
10/02/2003WO2003081832A2 Method and system for conducting a transaction using a proximity device
10/02/2003WO2003081829A2 Method and apparatus for remote digital key generation
10/02/2003WO2003081780A2 Hierarchical identity-based encryption and signature schemes
10/02/2003WO2003081545A1 Method and system for user authentication in a digital communication system
10/02/2003WO2003081439A1 Information image utilization system, information image management apparatus, information image management method, user information image, program, and recording medium
10/02/2003WO2003081438A1 Information image utilization system, information image management server, information image management method, device information image, program, and recording medium
10/02/2003WO2003081437A1 Information image utilization system, information image management device, information image management method, content information image, program, and recording medium
10/02/2003WO2003081400A2 Integrated circuit security and method therefor
10/02/2003WO2003081397A2 A method of protecting the integrity of a computer program
10/02/2003WO2003081387A2 Computer assisted and/or implemented process and system for managing and/or providing a medical information portal for healthcare providers
10/02/2003WO2003081374A2 System and method for making available identical random data to separate and remote parties
10/02/2003WO2003081352A2 Method for reprogramming bidirectional objects
10/02/2003WO2003053042A3 Digital image processing
10/02/2003WO2003028281A3 A cryptosystem for data security
10/02/2003WO2003026249A3 Calculation of identifier codes
10/02/2003WO2003010916A3 Method and apparatus for encrypting content
10/02/2003WO2002082240A3 Method and system for server support for pluggable authorization systems
10/02/2003WO2002073378A3 Receiving device for securely storing a content item, and playback device
10/02/2003WO2002054203A3 Embedding digital signatures into digital payloads
10/02/2003WO2002001271A3 Multiple encryption of a single document providing multiple level access privileges
10/02/2003US20030188242 Shared data refining device and shared data refining method
10/02/2003US20030188231 Method for runtime code integrity validation using code block checksums
10/02/2003US20030188198 Inheritance of controls within a hierarchy of data processing system resources
10/02/2003US20030188196 E-mail security audit system for company security
10/02/2003US20030188188 Time-window-constrained multicast for future delivery multicast
10/02/2003US20030188181 Encryption of data to be stored in an information processing system
10/02/2003US20030188180 Secure file verification station for ensuring data integrity
10/02/2003US20030188174 Method of protecting the integrity of a computer program
10/02/2003US20030188168 Identification information embedding apparatus and identification information analysis apparatus
10/02/2003US20030188167 Group signature apparatus and method
10/02/2003US20030188164 Smart card mating protocol
10/02/2003US20030188158 Payment smart cards with hierarchical session key derivation providing security against differential power analysis and other attacks
10/02/2003US20030188156 Using authentication certificates for authorization
10/02/2003US20030188154 System and method for pre-encryption of transmitted content
10/02/2003US20030188151 Mailing list server and mail transmission method thereof
10/02/2003US20030188150 System and method for media authentication
10/02/2003US20030188148 Method and apparatus to maintain encryption synchronization in a multi-modulation TDM system
10/02/2003US20030187951 Secure printing using electronic mailbox
10/02/2003US20030187805 System and method for secure electronic commerce trade
10/02/2003US20030187684 Apparatus and method for an automated negotiation
10/02/2003US20030186681 Method and system for re-authentication in IP multimedia core network system (IMS)
10/02/2003US20030185399 Information processing apparatus
10/02/2003US20030185398 Encryption
10/02/2003US20030185396 Information processing system and method
10/02/2003US20030185392 Random number generator
10/02/2003US20030185391 Methods and apparatus for performing hash operations in a cryptography accelerator
10/02/2003US20030185390 Method and apparatus for encrypting data in a wireless communication system
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