| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 05/31/2000 | EP1005230A2 Coding apparatus and method, decoding apparatus and method, data processing system, and storage medium |
| 05/31/2000 | EP1005192A1 Quantum cryptography apparatus |
| 05/31/2000 | EP1005191A1 Encryption/decryption unit and storage medium |
| 05/31/2000 | EP1005178A2 Cell searching method in asynchronons wideband code division multiple access system |
| 05/31/2000 | EP1005035A1 An optical disk and an optical disk reproduction apparatus |
| 05/31/2000 | EP1005034A1 An optical disk carrying barcoded information |
| 05/31/2000 | EP1005033A1 An optical disk and an optical disk reproduction apparatus |
| 05/31/2000 | EP1004100A1 Portable electronic device for safe communication system, and method for initialising its parameters |
| 05/31/2000 | CN1255268A Method of and apparatus for transmitting data for interactive TV. applications |
| 05/31/2000 | CN1255266A Method and apparatus for preventing fraudulent access in conditional access system |
| 05/31/2000 | CN1255260A 注册协议 Registration Agreement |
| 05/31/2000 | CN1255212A Computer memory organization |
| 05/31/2000 | CN1255209A Method and system for networked installation of uniquely customized, authenticable and traceable software applications |
| 05/31/2000 | CN1255002A Key transmission and digital signature method |
| 05/30/2000 | US6070240 Computer access control |
| 05/30/2000 | US6070198 Encryption with a streams-based protocol stack |
| 05/30/2000 | US6070178 Generating random numbers from random signals without being affected by any interfering signals |
| 05/30/2000 | US6069957 Method and apparatus for providing hierarchical key system in restricted-access television system |
| 05/30/2000 | US6069956 Method and apparatus for encrypting multiplexed data streams using key information continued in streams |
| 05/30/2000 | US6069955 System for protection of goods against counterfeiting |
| 05/30/2000 | US6069954 Cryptographic data integrity with serial bit processing and pseudo-random generators |
| 05/30/2000 | US6069952 Data copyright management system |
| 05/30/2000 | US6069647 Conditional access and content security method |
| 05/30/2000 | CA2203380C Data transformation apparatus and data transformation method |
| 05/30/2000 | CA2192634C Facilitating secure communications in a distribution network |
| 05/28/2000 | CA2300435A1 System for secure telepathy, incryption, uncryption, or secure personal communications |
| 05/25/2000 | WO2000030391A1 System and method for secured transference of temporary mobile subscriber information |
| 05/25/2000 | WO2000030285A1 Method and apparatus for secure distribution of authentication credentials to roaming users |
| 05/25/2000 | WO2000030100A2 Method of and device for generating a key |
| 05/25/2000 | WO2000013368A8 Method of authenticating or 'digitally signing' digital data objects |
| 05/25/2000 | DE19955369A1 Analogue video signal transmission method has decoding information required for encoded analogue signal information transmitted at intermittent positions of latter |
| 05/25/2000 | DE19848915A1 Verbessern der Abhörsicherheit von Mobiltelefonen Improve the privacy of mobile phones |
| 05/24/2000 | EP1003308A1 Priority and security coding system for electronic mail messages |
| 05/24/2000 | EP1003162A1 An optical disk and an optical disk reproduction apparatus |
| 05/24/2000 | EP1003127A2 Digital signature or electronic seal authentication system and recognized mark management program |
| 05/24/2000 | EP1002393A2 System for generating electronic signatures in absolute security |
| 05/24/2000 | EP1002392A1 Digital certificates containing multimedia data extensions |
| 05/24/2000 | EP0912920B1 System for secure data storage on cd-rom |
| 05/24/2000 | CN1254478A Data processing system |
| 05/24/2000 | CN1254477A Transmission and reception of television programmes and other data |
| 05/24/2000 | CN1254476A Signal generation and broadcasting |
| 05/24/2000 | CN1254475A Method of downloading of data to MPEG receiver/decoder and MPEG transmission system for implementing the same |
| 05/24/2000 | CN1254474A Smartcard for use with receiver of encrypted broadcast signals, and receiver |
| 05/24/2000 | CN1254473A Broadcast and reception system, and conditional access system therefor |
| 05/24/2000 | CN1254472A Broadcast and reception system, and receiver/decoder and remote controller |
| 05/24/2000 | CN1254469A Extracting data sections from transmitted data stream |
| 05/24/2000 | CN1254464A Transmitting revisions with digital signatures |
| 05/24/2000 | CN1254423A Television or radio control system development |
| 05/24/2000 | CN1254422A Downloading computer file from transmitter via receiver/decoder to computer |
| 05/24/2000 | CN1254421A 电子数据处理设备和系统 Electronic data processing equipment and systems |
| 05/24/2000 | CN1254234A Information packet program composition detector |
| 05/24/2000 | CN1254150A Method for controlling digital data and its device |
| 05/23/2000 | US6067621 User authentication system for authenticating an authorized user of an IC card |
| 05/23/2000 | US6067359 PN sequence generator with bidirectional shift register and Eulerian-graph feedback circuit |
| 05/23/2000 | US6067350 Long distance telephone communication system and method |
| 05/23/2000 | US6067028 Identification signal registering method and identification signal registering apparatus |
| 05/23/2000 | CA2192252C Electronic transfer system and method |
| 05/18/2000 | WO2000028744A2 Frame synchronization mechanism |
| 05/18/2000 | WO2000028695A1 Method and apparatus for secure digital chaotic communication |
| 05/18/2000 | WO2000028399A1 Protection circuit for an integrated circuit |
| 05/18/2000 | WO2000010068A3 Apparatus for and method of electronic currency generation, transfer and redemption |
| 05/18/2000 | WO2000007355A3 Secure message management system |
| 05/18/2000 | DE19850721A1 Datenträger mit Verschleierung des Stromverbrauchs Disk with veiling of electricity consumption |
| 05/17/2000 | EP1001625A2 Method and apparatus for controlling digital data |
| 05/17/2000 | EP1001570A2 Efficient authentication with key update |
| 05/17/2000 | EP1001569A1 Device and method for evaluating randomness of function, device and method for generating random function, and recorded medium on which programs for implementing these methods are recorded |
| 05/17/2000 | EP1001398A1 Ciphering apparatus |
| 05/17/2000 | EP1001344A2 Apparatus, method and system for file synchronization for a fault tolerant network |
| 05/17/2000 | EP1001117A1 System for ensuring the security of a bidirectional data transmission for the access to an enclosed space, in particular for the access to a vehicle |
| 05/17/2000 | EP1000511A2 Conditional access system |
| 05/17/2000 | EP1000510A1 Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system |
| 05/17/2000 | EP1000509A1 Encryption devices for use in a conditional access system |
| 05/17/2000 | EP1000508A1 Authorization of services in a conditional access system |
| 05/17/2000 | EP1000481A1 Initial secret key establishment including facilities for verification of identity |
| 05/17/2000 | CN1253438A Digital sign or electron seal identification system and identification mark management sequence |
| 05/17/2000 | CN1253437A Common cryptographic key cipher system possessing enhanced protection to prevent selective cipher script attack |
| 05/16/2000 | US6065117 Systems, methods and computer program products for sharing state information between a stateless server and a stateful client |
| 05/16/2000 | US6064993 Closed system virtual postage meter |
| 05/16/2000 | US6064989 Synchronization of cryptographic keys between two modules of a distributed system |
| 05/16/2000 | US6064741 Method for the computer-aided exchange of cryptographic keys between a user computer unit U and a network computer unit N |
| 05/16/2000 | US6064738 Method for encrypting and decrypting data using chaotic maps |
| 05/16/2000 | US6064737 Anti-piracy system for wireless telephony |
| 05/16/2000 | CA2283042A1 Apparatus, method and system for file synchronization for a fault tolerant network |
| 05/16/2000 | CA2176990C Secure receipt-free electronic voting |
| 05/16/2000 | CA2173008C Cryptographic key management and validating system |
| 05/16/2000 | CA2172861C Method of manufacturing generic meters in a key management system |
| 05/16/2000 | CA2172860C Method of token verification in a key management system |
| 05/16/2000 | CA2125193C Method and apparatus for data encryption and transmission |
| 05/16/2000 | CA2053865C Continuous cipher synchronization for cellular communication system |
| 05/11/2000 | WO2000027090A2 Network protocol for secure communications |
| 05/11/2000 | WO2000027088A2 Remote physician authentication service |
| 05/11/2000 | WO2000027086A2 Network protocol for secure communications |
| 05/11/2000 | WO2000027070A1 Method and array for authenticating a first instance and a second instance |
| 05/11/2000 | WO2000027069A2 Incorporating shared randomness into distributed cryptography |
| 05/11/2000 | WO2000027068A1 Countermeasure method in an electronic component using a secret key cryptographic algorithm |
| 05/11/2000 | WO2000027067A1 A method and apparatus for distributing multimedia information over a network |
| 05/11/2000 | WO2000026838A1 Home point of sale (pos) terminal and electronic commerce method |
| 05/11/2000 | WO2000026791A2 Secure memory management unit which uses multiple cryptographic algorithms |
| 05/11/2000 | WO2000026746A2 Data carrier with obscured power consumption |
| 05/11/2000 | DE19948319A1 Setting-up system for document secure against forging, using security module generating temporary secret |