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)
10/2002
10/31/2002US20020159598 System and method of dynamic key generation for digital communications
10/31/2002US20020159594 Signal recording medium, content signal generation apparatus, content signal reproduction method, and content signal reproduction apparatus
10/31/2002US20020159592 Content reception terminal and recording medium
10/31/2002US20020159589 Pipelined deciphering round keys generation
10/31/2002US20020159588 Cryptography with unconditional security for the internet, commercial intranets, and data storage
10/31/2002US20020158459 Seat belt guide
10/31/2002DE10120364A1 Just-in-time authentication of domestic digital network users involves user authentication on first access to protected object with validity period dependent on access period, system use context
10/31/2002DE10119656A1 Entschlüsselungs-Modul für Receiver zum Empfangen von digital codierten Rundfunk- oder Fernsehsignalen Decryption module for receiver for receiving digitally coded radio or television signals
10/31/2002DE10117930A1 Encoding transmission data for involves selecting coding region only including region associated with subscriber from switching station via connecting line to network termination device
10/31/2002CA2444422A1 Method for secure communication between two devices
10/30/2002EP1253762A1 Process for managing a symmetric key in a communication network and devices for the implementation of this process
10/30/2002EP1253744A2 Method for generation and management of a secret key in a public key cryptosystem
10/30/2002EP1253743A2 Method and system for generation and management of secret key of public key cryptosystem
10/30/2002EP1253742A2 Method and system for generation and management of secret key of public key cryptosystem
10/30/2002EP1253741A2 Method and system for generation and management of secret key of public key cryptosystem
10/30/2002EP1253740A1 Content data transmitting device and method, and recording/reproducing device
10/30/2002EP1253739A1 Information processing system and method
10/30/2002EP1253738A1 Information processing system and method
10/30/2002EP1253500A1 Method and device for authenticating a user on a remote server
10/30/2002EP1252770A2 Flexible content distribution method and apparatus
10/30/2002EP1252768A2 Method and system for transmission of decrypting information
10/30/2002EP1252739A1 Method for checking the integrity of data, system and mobile terminal
10/30/2002EP1252738A2 Block encryption method and schemes for data confidentiality and integrity protection
10/30/2002EP1252737A2 Method and apparatus for achieving crypto-syncronization in a packet data communication system
10/30/2002EP1252616A1 Method and device for reading authentication means and adapted identification means
10/30/2002EP1252561A2 Microprocessor resistant to power analysis
10/30/2002EP1252560A1 Hardware token self enrollment process
10/30/2002CN1377540A Method and apparatus for executing secure data transfer in wireless network
10/30/2002CN1377539A Signature schemes based on discrete logarithm with partial or total message recovery
10/30/2002CN1093708C Encryptino/decryption system for information security
10/29/2002US6473861 Magnetic optical encryption/decryption disk drive arrangement
10/29/2002US6473859 Image processing apparatus, method, and system, and computer-readable storage medium having program stored therein
10/29/2002US6473742 Reception apparatus for authenticated access to coded broadcast signals
10/29/2002US6473508 Auto-recoverable auto-certifiable cryptosystems with unescrowed signature-only keys
10/29/2002US6473448 Spread spectrum signal generation method, spread spectrum signal generator, stream encryption method, and stream enciphered codes communication method
10/29/2002US6471068 Method and apparatus for accessing an object, and storage medium storing a program for controlling access to an object
10/25/2002EP0732017A4 System and method for transmitting and receiving variable length authorization control for digital services
10/25/2002CA2344841A1 Encrypted funds data packet transmission via the internet
10/24/2002WO2002084980A1 Method and network for delivering streaming data
10/24/2002WO2002084945A1 Systems and methods for electronic postmarking of data including location data
10/24/2002WO2002084944A1 Methods and apparatus for efficient computation of one-way chains in cryptographic applications
10/24/2002WO2002084943A2 Pipelined deciphering round keys generation
10/24/2002WO2002084938A2 Controlled distribution of application code and content data within a computer network
10/24/2002WO2002084565A1 System and method for controlling access and use of private information
10/24/2002WO2002084461A1 Method for securely providing encryption keys
10/24/2002WO2002084455A2 Method for authentication of a user on access to a software-based system by means of an access medium
10/24/2002WO2002084337A2 Polarization to phase converter
10/24/2002WO2002067495A3 Method and apparatus for providing authentication in a communication system
10/24/2002WO2002067486A3 Method and apparatus for storing and distributing encryption keys
10/24/2002WO2002054644A8 Security breach management
10/24/2002WO2002049267A8 System for secure optical transmission of binary code
10/24/2002WO2001078387A3 Data scrambling and descrambling system
10/24/2002WO2001057690A3 Mobile personal digital assistant
10/24/2002US20020157024 Intelligent security association management server for mobile IP networks
10/24/2002US20020157016 Data security for distributed file systems
10/24/2002US20020157009 Method for obtaining a solution of an optimization problem
10/24/2002US20020157007 User authentication system and user authentication method used therefor
10/24/2002US20020157006 Signature verifying method and its apparatus
10/24/2002US20020157003 Apparatus for secure digital signing of documents
10/24/2002US20020157002 System and method for secure and convenient management of digital electronic content
10/24/2002US20020156747 Method for providing authentication assurance in a key-binding system
10/24/2002US20020156742 Information signal reproducing apparatus, information signal outputting apparatus, information signal reproducing method, and information signal outputting method
10/24/2002US20020155892 IC card, terminal device and service management server
10/24/2002US20020155033 Fluid Separate conduit cartridge
10/24/2002US20020154782 System and method for key distribution to maintain secure communication
10/24/2002US20020154781 Method and apparatus for storing and distributing encryption keys
10/24/2002US20020154780 Method and arrangement for data communication in a cryptographic system containing a plurality of entities
10/24/2002US20020154779 Data recording/reproducing device and saved data processing method, and program proving medium
10/24/2002US20020154776 Method and apparatus for providing authentication in a communication system
10/24/2002US20020154772 Copyright protection system and method thereof
10/24/2002US20020154770 Method and apparatus for chaotic opportunistic lossless compression of data
10/24/2002US20020154769 Method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data
10/24/2002US20020154768 Generating RSA moduli including a predetermined portion
10/24/2002US20020154767 Tamper resistance device
10/24/2002US20020153998 Apparatus for providing security on a powerline-modem network
10/24/2002DE10119647A1 Digital recording of all types of image and sound data with means for ensuring recorded data is not manipulated by encryption of data after recording and prior to output in a manner analogous to watermarking
10/24/2002DE10118527A1 Method for integrity testing of binary data by incorporation of specific and hidden authorization data into the binary data record by dividing the data into data layers
10/24/2002DE10118267A1 Method for authorizing a user accessing a software based system using an unsecured access medium has a two stage encryption process that ensures users are authorized before the system can be accessed
10/24/2002DE10117272A1 Vorrichtung und Verfahren für die Quantenkryptographie Apparatus and method for quantum cryptography
10/23/2002EP1251699A1 Transmission and reception of television programmes and other data
10/23/2002EP1251697A2 Descrambling module for a receiver for the reception of digitally coded broadcast or television signals
10/23/2002EP1251688A1 Downloading data
10/23/2002EP1251654A2 Information security device, prime number generation device, and prime number generation method
10/23/2002EP1251653A2 A method and apparatus for using network address information for network transactions
10/23/2002EP1251506A2 Data recording apparatus, data recording method, and data transfer system
10/23/2002EP1251502A1 An optical disk with an optical barcode
10/23/2002EP1251501A1 An optical disk with an optical barcode
10/23/2002EP1251423A2 Access control system
10/23/2002EP1251422A2 Copyright protection system and method thereof
10/23/2002EP1251421A2 Digital signature verifying method and apparatus
10/23/2002EP1250774A2 Public key validation service
10/23/2002EP1250642A1 Random number generator
10/23/2002EP1145483B1 Authenticating or signature method with reduced computations
10/23/2002EP0953244B1 Constructing symmetric ciphers using the cast design procedure
10/23/2002EP0923826B1 Device and method for the cryptographic processing of a digital data stream presenting any number of data
10/23/2002EP0880840A4 System for controlling access and distribution of digital property
10/23/2002CN1376371A A security procedure in universal mobile telephone service
10/23/2002CN1376292A Methods and apparatus for conducting electronic transactions
10/23/2002CN1376282A Employing synthetic genes in gene algorithm, information encoding and non-replicative encryption
10/23/2002CN1376008A Mobile communication terminal apparatus and serer thereof
1 ... 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 ... 1120