Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
06/2004
06/09/2004EP1425913A1 Apparatus and method for installing a decryption key
06/09/2004EP1425894A2 System and method for bi-directional communication and execution of dynamic instruction sets
06/09/2004EP1425885A1 Method and system for transmitting data from a first data network into a second data network
06/09/2004EP1425875A1 Digital time stamping system
06/09/2004EP1425874A2 Systems and methods for identity-based encryption and related cryptographic techniques
06/09/2004EP1425873A2 Method and apparatus for constructing digital certificates
06/09/2004EP1425723A1 Initialization of a chip card
06/09/2004EP1425722A2 A remote control account authorization system
06/09/2004EP1425667A1 Encryption for a stream file in an fpga integrated circuit
06/09/2004EP1425648A2 Method and system for secure distribution of digital documents
06/09/2004EP1329049A4 Method and apparatus for real-time digital certification of electronic files and transactions using entropy factors
06/09/2004EP1196894B1 Secure system for printing authenticating digital signatures
06/09/2004CN1504044A Method of invisibly embedding and hiding data into soft-copy text documents
06/09/2004CN1504028A Cryptographic authentication with ephemeral modules
06/09/2004CN1504027A 资料传送方法 Data transmission method
06/09/2004CN1504026A Method for providing security on powerline-modem network
06/09/2004CN1504020A Apparatus for providing security on powderlnie-modem network
06/09/2004CN1503960A 遥控帐户授权系统 Remote account authorization system
06/09/2004CN1503944A System and method for secure and convenient management of digital electronic content
06/09/2004CN1503932A Method and system for obtaining digital signatures
06/09/2004CN1503597A Method and computer program product for verifying the authenticity of a telephone number reported in a request from a wireless device
06/09/2004CN1503569A Transmitting prerecorded data limited right and method for reproducing said data
06/09/2004CN1503534A Method for realizing 802.1X verification
06/09/2004CN1503533A Method for realizing 802.1X verification
06/09/2004CN1503525A IP network system for realizing safety verification and method thereof
06/09/2004CN1503505A Network information vertification and information cryption/decrption equipment and realizing method thereof
06/09/2004CN1503504A Communication device, communication system, and cryptographic algorithm selection method
06/09/2004CN1503503A Method and device for data encipher/deciphering
06/09/2004CN1503458A Ciphering and deciphering method for data and/or phonetic calling transmitted on mobile telecommunication system
06/09/2004CN1503121A Microprocessor with random number generator and instruction for storing random data
06/09/2004CN1153501C A method and a system for authenticating a mobile communiation device
06/09/2004CN1153466C Transmission and reception of television programmes and other data
06/09/2004CN1153465C Method and apparatus for preventing fraudulent access in conditional access system
06/09/2004CN1153431C Log-in method and system used for portable electronic device
06/09/2004CN1153428C Systems and method for interfacing multiple electronic devices
06/09/2004CN1153412C Electronic apparatus, data communication method for electronic apparatus and data communication method
06/09/2004CN1153404C Common cryptographic key cipher system possessing enhanced protection to prevent selective cipher script attack
06/09/2004CN1153403C Apparatus and method for generating pseudorandom quantities based upon radio channel cahracteristics
06/09/2004CN1153208C Method and device for generating a key used to control information on information carrier
06/09/2004CN1153206C Apparatus and method for reducing compressibility of unauthorized copeis of color images and video sequences
06/08/2004US6748540 Method and apparatus for detection and notification of unauthorized access attempts in a distributed data processing system
06/08/2004US6748539 System and method for securely checking in and checking out digitized content
06/08/2004US6748535 System and method for suppressing conducted emissions by a cryptographic device comprising an integrated circuit
06/08/2004US6748534 System and method for partitioned distributed scanning of a large dataset for viruses and other malware
06/08/2004US6748531 Method and apparatus for confirming and revoking trust in a multi-level content distribution system
06/08/2004US6748530 Certification apparatus and method
06/08/2004US6748395 System and method for dynamic playlist of media
06/08/2004US6748084 Data access control system and method thereof
06/08/2004US6748083 Method and apparatus for free-space quantum key distribution in daylight
06/08/2004US6748082 Method and device for introducing a service key into a terminal
06/08/2004US6748081 Quantum cryptography system for a secure transmission of random keys using a polarization setting method
06/08/2004US6747546 Data communication transponder and communications system employing it
06/08/2004US6747545 Passive keyless entry system
06/08/2004CA2258029C Method and apparatus of providing bit count integrity and synchronous data transfer over a channel which does not preserve synchronization
06/08/2004CA2177154C Electronic book selection and delivery system
06/06/2004CA2448946A1 Increasing the level of automation when provisioning a computer system to access a network
06/06/2004CA2413690A1 Zero knowledge document comparison between mutually distrustful parties
06/03/2004WO2004047405A2 Secure aircraft communications addressing and reporting system (acars)
06/03/2004WO2004047398A1 Method and apparatus for transmitting data subject to privacy restrictions
06/03/2004WO2004047362A1 Method and system with authentication, revocable anonymity and non-repudiation
06/03/2004WO2004047361A1 Method of generating a stream cipher using multiple keys
06/03/2004WO2004047360A1 Content distribution system, content distribution method, and content reception device
06/03/2004WO2004047359A1 Quantum cryptography protocol
06/03/2004WO2004047352A2 Identity-based encryption system
06/03/2004WO2004047052A1 Tamper-resistant information processor
06/03/2004WO2004046936A1 Recording system and method, recording device and method, input device and method, reproduction system and method, reproduction device and method, recording medium, and program
06/03/2004WO2004046935A2 Circuit arrangement with non-volatile memory module and method of en-/decrypting data in the non-volatile memory module
06/03/2004WO2004046925A1 Security mode switching via an exception vector
06/03/2004WO2004046924A1 Processor switching between secure and non-secure modes
06/03/2004WO2004046916A2 Exception types within a secure processing system
06/03/2004WO2004046862A2 System and method for granting access to an item or permission to use an item based on configurable conditions
06/03/2004WO2004046852A2 Access and control system for network-enabled devices
06/03/2004WO2004046846A2 Automatically generated cryptographic functions for renewable tamper resistant security systems
06/03/2004WO2004046844A2 Faster authentication with parallel message processing
06/03/2004WO2004046821A1 Silver halide color photosensitive material
06/03/2004WO2004045855A2 An ink cartridge for a printer, a method of assembling an ink cartridge for a printer, and a filter assembly for an ink cartridge
06/03/2004WO2004027588A3 Certificate based authorized domains
06/03/2004WO2003107133A3 Secure remote management appliance
06/03/2004WO2003069450A3 Method for storage and transport of an electronic certificate
06/03/2004WO2003038578A8 User access control to distributed resources on a data communications network
06/03/2004WO2003017666A3 System and method for hybrid conditional access for receivers of encrypted transmissions
06/03/2004WO2001071554A3 Methods of accessing and using web-pages
06/03/2004US20040107356 Methods and apparatus for persistent control and protection of content
06/03/2004US20040107355 Recording medium, recording-medium management method, and recording-medium management system
06/03/2004US20040107353 Cryptographic method of protecting an electronic chip against fraud
06/03/2004US20040107352 Electronic device controlling apparatus, electronic device controlling system, and electronic device controlling method
06/03/2004US20040107348 Information processing apparatus, method therefor, computer program, and computer-readable storage medium
06/03/2004US20040107347 Content distribution system, content distribution method and terminal device
06/03/2004US20040107346 Efficient authenticated dictionaries with skip lists and commutative hashing
06/03/2004US20040107344 Electronic device control apparatus
06/03/2004US20040107343 Network relay device, communication device and network relay method
06/03/2004US20040107342 Secure network file access control system
06/03/2004US20040107341 Parallelizable authentication tree for random access storage
06/03/2004US20040107340 Real time data encryption/decryption system and method for IDE/ATA data transfer
06/03/2004US20040107263 Communication system with function of encryption/decryption by agency
06/03/2004US20040107169 Method and apparatus for generating and distributing personalized media clips
06/03/2004US20040107167 Method of controlling digital content distribution, a method of reproducing digital content, and an apparatus using the same
06/03/2004US20040107166 Usage rights grammar and digital works having usage rights created with the grammar
06/03/2004US20040105549 Key mangement system and multicast delivery system using the same
06/03/2004US20040105548 Program update method and server