Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
11/2003
11/27/2003US20030219120 Chaos-based data protection using time-discrete dynamical systems
11/27/2003US20030218534 Systems and methods for secure biometric authentication
11/27/2003US20030218532 Apparatus, method and system for authentication
11/27/2003US20030218143 Photon source and method of operating a photon source
11/27/2003CA2486683A1 Method for tamper-proof identification of products
11/27/2003CA2485892A1 System and method for using acoustic digital signature generator as oracle
11/27/2003CA2473851A1 Encryption, authentication, and key management for multimedia content pre-encryption
11/26/2003EP1365589A1 Scrambling, descrambling, coding and decoding of videosignals using an encryption key and watermarking
11/26/2003EP1365537A1 Systems and method for certifying digital signatures
11/26/2003EP1365317A1 Test of an algorithm executed by an integrated circuit
11/26/2003EP1365306A2 Data protection system
11/26/2003EP1364509A2 Apparatus and method for security processing of communication packets
11/26/2003EP1364295A1 User identification with an improved password input method
11/26/2003EP1364291A2 Apparatus, method and system for multiple resolution affecting information access
11/26/2003EP1364278A2 Apparatus, method and system for tracking information access
11/26/2003EP1364277A2 Apparatus, method and system for effecting information access in a peer environment
11/26/2003EP1364271A2 Controlling access to protected digital content
11/26/2003EP1264482B1 Method and communication system for the billing of access controlled programmes and/or data from broadcast transmitters
11/26/2003CN2588677Y Safety isolation network gate
11/26/2003CN2588676Y Rewiring free and on-line interference network teleterminal switching physical isolatio device
11/26/2003CN1459168A Portable information storage medium and its authetification method
11/26/2003CN1459167A Apparatus and method for recording and reproducing informaation
11/26/2003CN1459068A Automated payment system
11/26/2003CN1458780A Security telephone box
11/26/2003CN1458779A Blocking method and device for dialing access network
11/26/2003CN1458763A Broadband network access method
11/26/2003CN1458762A Encipher treating method and encipher treating device
11/26/2003CN1458761A Broadband network access method
11/26/2003CN1458760A Safe access method for borad band network
11/26/2003CN1458749A Safe quantum communication method
11/25/2003US6654889 Method and apparatus for protecting proprietary configuration data for programmable logic devices
11/25/2003US6654884 Hardware-level mitigation and DPA countermeasures for cryptographic devices
11/25/2003US6654883 Device authentication and encrypted communication system offering increased security
11/25/2003US6654465 Method of implementing a key recovery system
11/25/2003US6654404 System, apparatus, and method for outputting pseudorandom noise sequences, and data recording medium
11/25/2003US6651879 Business card as electronic mail token for use with sensor having an identifier
11/20/2003WO2003096726A2 Method and apparatus for use in securing an electronic device such as a cell phone
11/20/2003WO2003096616A1 Public key certificate revocation list generation apparatus, revocation judgement apparatus, and authentication system
11/20/2003WO2003096615A1 Method for authenticating and verifying sms communications
11/20/2003WO2003096614A1 Secure wireless local or metropolitan area network and related methods
11/20/2003WO2003096613A1 Centralized encryption management system
11/20/2003WO2003096612A1 Encryption device, encryption method, and encryption system
11/20/2003WO2003096611A1 Data encryption/decryption method, and device
11/20/2003WO2003096610A1 Encryption device and decryption device
11/20/2003WO2003096608A1 Data transmission method and data transmission device
11/20/2003WO2003096606A1 Secure mobile ad-hoc network and related methods
11/20/2003WO2003096605A1 Hand-held device forgotten password notification
11/20/2003WO2003096336A2 Method and device for producing coded data, for decoding coded data and for producing re-signed data
11/20/2003WO2003096238A1 Method for loading an application in a device, device and smart card therefor
11/20/2003WO2003096204A1 Information processing device and method, information processing system, recording medium, and program
11/20/2003WO2003096165A2 Paid access to a local area network
11/20/2003WO2003096140A2 System and method of secure authentication and billing for goods and services using a cellular telecomunication and an authorization infrastructure
11/20/2003WO2003063409A3 Method for securing data traffic in a mobile network environment
11/20/2003WO2003059039A3 Time division partial encryption
11/20/2003WO2003055219A3 Method of rights management for streaming media
11/20/2003WO2003052630A3 Digital content distribution system
11/20/2003WO2002096024A9 Initial free preview for multimedia multicast content
11/20/2003WO2002096017A8 Method and apparatus for secure distributed cipher key storage
11/20/2003WO2002082218A3 Methods and systems for securing information communicated between communication devices
11/20/2003US20030217291 Method and system for real-time secure transfer of personal information between websites
11/20/2003US20030217288 Session key secruity protocol
11/20/2003US20030217278 Computer, hard disk device, disk device sharing system composed of the plural said computers and shared hard disk device, and sharing method applied to the said sharing system
11/20/2003US20030217269 System and method for managing sonic token verifiers
11/20/2003US20030217268 System and method for using acoustic digital signature generator as oracle
11/20/2003US20030217265 Public key certificate revocation list generation apparatus, revocation judgement apparatus, and authentication system
11/20/2003US20030217264 System and method for providing a secure environment during the use of electronic documents and data
11/20/2003US20030217263 System and method for secure real-time digital transmission
11/20/2003US20030217262 Gateway, communication terminal equipment, and communication control program
11/20/2003US20030217261 Mail processing apparatus and method
11/20/2003US20030217258 Apparatus and method of using ephemeral asymmetric keys to exchange security data between hardware security modules
11/20/2003US20030217159 Apparatus and method for sharing session information
11/20/2003US20030217010 Method for loaning digital works
11/20/2003US20030215095 Time shift outputting method and time shift outputting apparatus for contents data
11/20/2003US20030215094 Coding process method and coding process device
11/20/2003US20030215093 Multivariable cryptosystem
11/20/2003US20030215089 Method and apparatus for encrypting and decrypting messages based on boolean matrices
11/20/2003US20030215088 Key agreement protocol based on network dynamics
11/20/2003CA2483880A1 Secure wireless local or metropolitan area network and related methods
11/20/2003CA2483879A1 Secure mobile ad-hoc network and related methods
11/19/2003EP1363424A2 Authentication method and system encrypting a ticket with an symmetric key, said symmetric key being encrypted with an asymmetric key
11/19/2003EP1363284A1 Computer program copy management system
11/19/2003EP1362453A2 Context identification using header compression key
11/19/2003EP1362452A2 Method and apparatus for providing authentication in a communication system
11/19/2003EP1362451A1 Method for securing a computer installation involving a cryptographic algorithm using boolean operations and arithmetic operations and the corresponding embedded system
11/19/2003EP1362444A2 Method and apparatus for storing and distributing encryption keys
11/19/2003EP1362427A2 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols
11/19/2003EP1362274A2 Method and apparatus for controlling access to functions with different securitylevels
11/19/2003EP1290647B1 Cryptography method and smart card microcircuit
11/19/2003EP1018078B1 Method for protecting of recorded digital data
11/19/2003EP0928444B1 Device for protecting an electronic apparatus
11/19/2003CN2587116Y Wireless LAN safety fire wall system device
11/19/2003CN1457614A System for downloading program to general-purpose subscriber identification module
11/19/2003CN1457600A Content distribution/protecing method and apparatus
11/19/2003CN1457571A Phase modulator and phase modulating method
11/19/2003CN1457172A Method for using mobile phone sim card no. as identification for means of registered member to pay
11/19/2003CN1457171A Wireless network multiple configurational setting method
11/19/2003CN1457170A Device for issuing public pin certificates
11/19/2003CN1457169A Content issuing/receiving method
11/19/2003CN1457168A Method for automatic ally updating network system pins
11/19/2003CN1457166A Encrypted/deciphering system and method thereof