Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
11/2003
11/19/2003CN1456993A Method for exchanging pins between users' computers
11/19/2003CN1456983A Sticking authencated context based on appearance
11/19/2003CN1128523C Method and apparatus for secure identification of mobile user in communication network
11/19/2003CN1128522C Method of manufacturing generic meters in key management system
11/18/2003US6651174 Firewall port switching
11/18/2003US6651170 Integrated circuit and smart card comprising such a circuit
11/18/2003US6651169 Protection of software using a challenge-response protocol embedded in the software
11/18/2003US6651167 Authentication method and system employing secret functions in finite Abelian group
11/18/2003US6651166 Sender driven certification enrollment system
11/18/2003US6651102 Systems and methods for general purpose data modification
11/18/2003US6650824 System and method for recording analog and digital signals, and for error recovery in recording
11/18/2003US6650754 Broadcast reception device and contract management device using common master key in conditional access broadcast system
11/18/2003US6650753 System for encrypting broadcast programs in the presence of compromised receiver devices
11/18/2003US6650752 Broadcast reception device and contract management device using common master key in conditional access broadcast system
11/18/2003US6648453 Ink jet printhead chip with predetermined micro-electromechanical systems height
11/18/2003CA2256173C Closed system virtual postage meter
11/14/2003CA2428668A1 Online regulatory compliance system and method for facilitating compliance
11/13/2003WO2003094513A1 Method and apparatus for in-line serial data encryption
11/13/2003WO2003094512A1 Secure data content delivery system for multimedia applications utilizing bandwidth efficient modulation
11/13/2003WO2003094483A2 Method for protecting secret key cryptographic schemes
11/13/2003WO2003094476A1 Enhanced message security
11/13/2003WO2003094438A1 System, apparatus and method for sim-based authentication and encryption in wireless local area network access
11/13/2003WO2003094424A1 A method and system in a communication network for allocaring and changing link-level addresses
11/13/2003WO2003094423A1 System and method for storage and retrieval of a cryptographic secret from a plurality of network enabled clients
11/13/2003WO2003094422A1 Encrypted communication system, key delivery server thereof, terminal device, and key sharing method
11/13/2003WO2003094421A1 Network access control method
11/13/2003WO2003094419A1 Method and apparatus for encryption/decryption in a medium converter
11/13/2003WO2003094165A1 Digital data recording medium, recording method, recording device, reproduction method, and reproduction device
11/13/2003WO2003094077A1 System and method for specifying and processing legality expressions
11/13/2003WO2003094076A1 Rights management system using legality expression language
11/13/2003WO2003093971A2 Device and method for generating a random number
11/13/2003WO2003093950A2 Localized audio networks and associated digital accessories
11/13/2003WO2003093923A2 System and apparatus for authenticating to a system or network
11/13/2003WO2003071400A3 Device and method for making secure sensitive data, in particular between two parties via a third party entity
11/13/2003WO2003065723A3 Watermark-based access control method and device
11/13/2003WO2003061192A3 Cryptosync design for a wireless communication system
11/13/2003WO2003044721A3 Transaction card system having security against unauthorized usage
11/13/2003WO2003034633A3 Verification of a person identifier received online
11/13/2003WO2003032553A3 Method and apparatus for encrypting media programs for later purchase and viewing
11/13/2003WO2003026253A8 Dynamically variable security protocol
11/13/2003WO2003010656A3 System and method for executing update instructions on a wireless communications device
11/13/2003WO2002080490A3 Method and apparatus for header compression in a wireless communication system
11/13/2003WO2002080489A3 Method and apparatus for data transport in a wireless communication system
11/13/2003US20030212897 Method and system for maintaining secure semiconductor device areas
11/13/2003US20030212893 Technique for digitally notarizing a collection of data streams
11/13/2003US20030212892 Public key certification issuing apparatus
11/13/2003US20030212888 System and method of looking up and validating a digital certificate in one pass
11/13/2003US20030212886 Encryption/decryption system and encryption/decryption method
11/13/2003US20030212871 Memory device and method of controlling the same
11/13/2003US20030212828 Time stamp generating system
11/13/2003US20030212806 Persistent authorization context based on external authentication
11/13/2003US20030212749 Method and system for secure electronic distribution, archiving and retrieval
11/13/2003US20030212729 Modular multiplier
11/13/2003US20030211842 Securing binding update using address based keys
11/13/2003US20030210791 Key management
11/13/2003US20030210789 Data transmission links
11/13/2003US20030210788 Secure wireless local or metropolitan area network and related methods
11/13/2003US20030210787 Secure mobile ad-hoc network and related methods
11/13/2003US20030210783 Method and system of encryption
11/13/2003US20030210781 Method for encrypting and decrypting messages based on boolean matrices, and data communication system
11/13/2003CA2484493A1 System and method for specifying and processing legality expressions
11/13/2003CA2483989A1 System and apparatus for authenticating to a system or network
11/13/2003CA2483601A1 Method and apparatus for in-line serial data encryption
11/12/2003EP1361728A2 Peer-to-peer name resolution protocol (pnrp) security infrastructure and method
11/12/2003EP1361695A2 Time stamp generating system
11/12/2003EP1361694A2 Public key certification issuing apparatus
11/12/2003EP1361693A1 Handle deciphering system and handle deciphering method, and program
11/12/2003EP1361692A2 Encryption/decryption system and encryption/decryption method
11/12/2003EP1361527A1 Method for loading an application in a device, device and smart card therefor
11/12/2003EP1361511A1 Data processing method and its apparatus
11/12/2003EP1361497A2 Contents distribution scheme using tamper-resistant processor
11/12/2003EP1361494A2 Access control to computer resources based on external authentication
11/12/2003EP1360815A1 Message authentication
11/12/2003EP1360795A2 Implementation of the sha1 algorithm
11/12/2003EP1360794A2 Method and system for establising a wireless communications link
11/12/2003EP1360793A2 Process and apparatus for improving the security of digital signatures
11/12/2003EP1360767A2 A method of performing mathematical operations in an electronic device, a method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data
11/12/2003EP1360654A1 Keyless access authorization control device and identification transmitter therefor
11/12/2003EP1360644A1 Security module comprising a volatile memory for storing an algorithm code
11/12/2003EP1360580A2 Massively distributed processing system and associated methods
11/12/2003EP1360568A2 Method and system for securing a computer network and personal identification device used therein for controlling access to network components
11/12/2003CN1456006A Methods and arrangements in a telecommunications system
11/12/2003CN1455608A Method for preventing fraudulent use of operation programme of moving communication terminals
11/12/2003CN1455569A Safety foundation structure of coordinate network name analytical agneement (PNRP) and method thereof
11/12/2003CN1455557A Changeable length/fixed length data conversion method and apparatus
11/12/2003CN1455556A Wireless LAN safety connecting-in control method
11/12/2003CN1455551A Wideband network connecting-in intelligent control system and method
11/12/2003CN1455548A Management method of user's connecting network in wideband network
11/12/2003CN1455544A Method of authenticating and authorizing terminal in conversation initiating protocol network
11/12/2003CN1455543A Encryption key agreement method
11/12/2003CN1455542A Encryption key exchange method based on public key centificate on elliptic curve
11/12/2003CN1455522A Back-up system and method for mobile terminal data network
11/12/2003CN1455365A Method for management of medical data of patients
11/12/2003CN1455341A Method for long-distance changing of communication cipher code
11/12/2003CN1127835C Key management between a cable telephony adapter and associate signaling controller
11/12/2003CN1127703C Access-protected cmart card
11/12/2003CN1127675C Single-photon-emission apparatus
11/11/2003US6647493 Method and system for authentication and electronic signature
11/11/2003US6647260 Method and system facilitating web based provisioning of two-way mobile communications devices
11/11/2003US6644642 Printed media parallel binder