Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
01/2003
01/09/2003US20030009684 Tamper-evident and/or tamper-resistant electronic components
01/09/2003US20030009676 Peripheral device with secure driver
01/09/2003US20030009667 Data terminal device that can easily obtain content data again, a program executed in such terminal device, and recording medium recorded with such program
01/09/2003US20030009666 Methods and apparatus for efficient computation of one-way chains in cryptographic applications
01/09/2003US20030007644 Cryptographic system with concealed work factor
01/09/2003US20030007643 Apparatus and method for installing a decryption key
01/09/2003US20030007641 Method and apparatus for wireless data communication, using an encryption unit
01/09/2003US20030007639 Method and apparatus for encryption of data
01/09/2003US20030007638 Low-interference communications using chaotic signals
01/09/2003US20030007636 Method and apparatus for executing a cryptographic algorithm using a reconfigurable datapath array
01/09/2003US20030007635 Encryption method, program for encryption, memory medium for storing the program, and encryption apparatus, as well as decryption method and decryption apparatus
01/09/2003US20030007437 Record carrier for storing a digital work
01/09/2003US20030006849 Random number generator
01/09/2003CA2809894A1 Improved media delivery platform
01/08/2003EP1274195A1 Confidential data communication method
01/08/2003EP1274194A1 Method and apparatus for wireless data communication, using an encryption unit
01/08/2003EP1273998A1 Tamper-evident and/or tamper-resistant electronic components
01/08/2003EP1273996A2 Secure bootloader for securing digital devices
01/08/2003EP1273129A2 Authentication engine architecture and method
01/08/2003EP1273128A1 Authentication in a packet data network
01/08/2003EP1273127A1 Device and method for generating electronic keys from mutual prime numbers
01/08/2003EP1273125A2 Systems and methods for encrypting/decrypting data using a broker agent
01/08/2003EP1272988A2 An improved method and system for conducting secure payments over a computer network
01/08/2003EP1272986A1 Chip for placing in a terminal
01/08/2003EP1272984A1 Portable data carrier provided with access protection by rendering messages unfamiliar
01/08/2003EP1272915A1 System and process for storing securely secret information, apparatus and server to be used in such a system and method for distribution of a digital content
01/08/2003EP1214811A4 Key management methods for secure communication systems
01/08/2003EP0824813B1 Improving security of packet-mode transmission in a mobile communication system
01/08/2003CN1390406A Mehtod and apparatus for efficient irregular synchronization of a stream cipher
01/08/2003CN1390056A Method for transfering data signal and controlling access data signal
01/08/2003CN1390055A Method for controlling reproduction, usage and access of data signals on recording medium
01/08/2003CN1390054A Method for controlling reproduction of data signal on medium, and transfering and receiving data signal method
01/08/2003CN1390053A Apparatus and method for receiving, recording and replaying data signal
01/08/2003CN1390052A Method for controlling replay of data signal
01/08/2003CN1390043A Method for erasing data signal stored on recording medium
01/08/2003CN1390042A Apparatus and method for receiving enciphered signals and apparatus for receiving interfered digital broadcas
01/08/2003CN1389993A Method for controlling use of enciphered data
01/08/2003CN1098612C Authentication and handover method and system for radio personal communicaltion
01/08/2003CN1098595C Method and equipment for video signal ciphering and deciphering
01/08/2003CN1098581C Use of an encryption server for encrypting messages
01/07/2003US6505302 Authentication for secure devices with limited cryptography
01/07/2003US6505301 Authentication for secure devices with limited cryptography
01/07/2003US6505180 Information encoding and retrieval through synthetic genes
01/07/2003US6504932 Method of transferring information between a subscriber identification module and a radiocommunication mobile terminal, and a corresponding subscriber identification module and mobile terminal
01/07/2003US6504931 Method and apparatus for encrypting data
01/07/2003US6504930 Encryption and decryption method and apparatus using a work key which is generated by executing a decryption algorithm
01/07/2003US6504929 Encryption strength evaluation support apparatus and recording medium recording encryption strength evaluation support program
01/07/2003US6502861 Seat belt guide
01/07/2003US6502614 Printed media transverse binder
01/03/2003WO2003001837A1 Authentication apparatus and method for authenticating cellular telephone accessing information recording apparatus, network system, and computer program
01/03/2003WO2003001764A1 Device arranged for exchanging data, and method of authenticating
01/03/2003WO2003001736A1 Method for authenticating settlement terminal and settlement method using the same
01/03/2003WO2003001735A1 Authentication by means of a challenge-response method
01/03/2003WO2003001723A2 Stabilised secure algorithms
01/03/2003WO2003001464A1 Cryptographic method of protecting an electronic chip against fraud
01/03/2003WO2003001398A1 Method and apparatus for executing a cryptographic algorithm witha reconfigurable array
01/03/2003WO2003001363A1 Electronic vouchers and a system and method for issuing the same
01/03/2003WO2003001339A2 A security architecture for a process control platform executing applications
01/03/2003WO2003001336A2 A system and method for multi-modal authentication using speaker verification
01/03/2003WO2002067174A3 Detecting compromised ballots
01/03/2003WO2002063548A3 Biometric identification or authentication system
01/03/2003WO2002062010A3 Method and system for the encryption of data
01/03/2003WO2002062008A3 Partial encryption of assembled bitstreams
01/03/2003WO2002051050A9 A secure communications network with user control of authenticated personal information provided to network entities
01/03/2003WO2002017555A3 Countering credentials copying
01/03/2003WO2002015512A3 A method and an apparatus for granting use of a session of a packet data transmission standard designated by an identifier
01/03/2003WO2000059150A8 Enforcement architecture and method for digital rights management
01/03/2003CA2451968A1 A system and method for multi-modal authentication using speaker verification
01/03/2003CA2451616A1 Electronic vouchers and a system and method for issuing the same
01/03/2003CA2451034A1 Cryptographic method of protecting an electronic chip against fraud
01/02/2003US20030005436 Video signal transmission apparatus
01/02/2003US20030005337 Portable device having biometrics-based authentication capabilities
01/02/2003US20030005333 System and method for access control
01/02/2003US20030005324 Temporal proximity to verify physical proximity
01/02/2003US20030005321 Information processing device
01/02/2003US20030005317 Method and system for generating and verifying a key protection certificate
01/02/2003US20030005306 Message digest based data synchronization
01/02/2003US20030005305 Digital signature validation
01/02/2003US20030005302 Theft resistant graphics
01/02/2003US20030005298 Method and apparatus for authenticating people using business cards
01/02/2003US20030005296 Method for authenticating animation
01/02/2003US20030005295 Method and apparatus to improve the protection of information presented by a computer
01/02/2003US20030005294 System and method for restoring a secured terminal to default status
01/02/2003US20030005293 Information transceiver system
01/02/2003US20030005289 System and method for downloading of files to a secure terminal
01/02/2003US20030005286 Methods, systems and computer program products for authentication between clients and servers using differing authentication protocols
01/02/2003US20030005285 Method and apparatus for distributing keys for decrypting and re-encrypting publicly distributed media
01/02/2003US20030005066 System and method for pushing information from a host system to a mobile data communication device
01/02/2003US20030004894 System, method and article of manufacture for secure network electronic payment and credit collection
01/02/2003US20030004888 Information recording apparatus, information reproducing apparatus, and information distribution system
01/02/2003US20030004881 Confidential information management system and information terminal for use in the system
01/02/2003US20030003896 Synchronization of encryption in a wireless communication system
01/02/2003US20030002680 Broadcast reception device and contract management device using common master key in conditional access broadcast system
01/02/2003US20030002679 Broadcast reception device and contract management device using common master key in conditional access broadcast system
01/02/2003US20030002675 Method and apparatus for simultaneous encryption and decryption of publicly distributed media
01/02/2003US20030002674 Quantum cryptography multi-node network system
01/02/2003US20030002670 Quantum cryptographic communication channel based on quantum coherence
01/02/2003US20030002665 Encrypting apparatus, encrypting method, decrypting apparatus, decrypting method, and storage medium
01/02/2003US20030002664 Data encryption and decryption system and method using merged ciphers
01/02/2003US20030002663 Method and apparatus for data encryption