Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
11/2002
11/28/2002WO2002033884A3 Method and apparatus for providing a key distribution center
11/28/2002WO2001061961A3 Method for securing the authenticity of hardware and software in a network
11/28/2002US20020178383 Method and apparatus for verifying the integrity and security of computer networks and implementing counter measures
11/28/2002US20020178379 Physical device placement assistant
11/28/2002US20020178377 Method and system for server support for pluggable authorization systems
11/28/2002US20020178372 Data copyright management system
11/28/2002US20020178371 Attack-resistant implementation method
11/28/2002US20020178359 Just-in-time authentication of users of a digital home network
11/28/2002US20020178358 System and method for strong authentication achieved in a single round trip
11/28/2002US20020178357 Electronic lock arrangement
11/28/2002US20020178356 Method for setting up secure connections
11/28/2002US20020178175 Method to reduce input parameter interface error and inconsistency for servlets
11/28/2002US20020178125 System for remote signature writing
11/28/2002US20020178103 Automated dynamic negotiation of electronic service contracts
11/28/2002US20020176804 Microfluidic substrate assembly and method for making same
11/28/2002US20020176583 Method and token for registering users of a public-key infrastructure and registration system
11/28/2002US20020176582 Technique for obtaining a single sign-on certificate from a foreign PKI system using an existing strong authentication PKI system
11/28/2002US20020176580 Data terminal device providing backup of uniquely existable content data
11/28/2002US20020176578 Methods and systems for securing information communicated between communication devices
11/28/2002US20020176576 Data recording apparatus, data recording method, and data transfer system
11/28/2002US20020176575 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
11/28/2002US20020176574 Chaotic privacy system and method
11/28/2002US20020176573 Information security device, prime number generation device, and prime number generation method
11/28/2002US20020176572 State-varying hybrid stream cipher
11/28/2002US20020175698 Method and apparatus for switchably selecting an integrated circuit operating mode
11/28/2002CA2437548A1 Apparatus and method for providing secure network communication
11/28/2002CA2427181A1 Initial free preview for multimedia multicast content
11/27/2002EP1261185A2 Data terminal device providing backup of digital content
11/27/2002EP1261165A1 Method of signature
11/27/2002EP1260946A2 Electronic transaction processing system
11/27/2002EP1260945A1 Semiconductor integrated circuit on IC card protected against tampering
11/27/2002EP1260942A2 Rolling code encryption process for remote keyless entry system
11/27/2002EP1260898A1 Method for authenticating files
11/27/2002EP1260054A1 Validation protocol and system
11/27/2002EP1260053A1 Consumable authentication protocol and system
11/27/2002EP1260052A2 Cryptographic communication process and apparatus
11/27/2002EP1260050A2 Biometrics interface
11/27/2002EP1259865A2 Method of pre-releasing encrypted digital data
11/27/2002EP1000509B1 Encryption device for use in a conditional access system
11/27/2002EP0974230B1 Method of downloading of data to an mpeg receiver/decoder
11/27/2002EP0973659B1 Method for protecting devices, specially car radios, against theft
11/27/2002EP0968609B1 Signal generation and broadcasting
11/27/2002EP0943195B1 Use of duplex cipher algorithms for satellite channels with delay
11/27/2002CN1382357A Authentication of subscriber station
11/27/2002CN1382332A Method of data protection
11/27/2002CN1382292A Data distribution system
11/27/2002CN1382291A Device for data reproduction
11/27/2002CN1382273A Randon number generation for encrypting cellular communications
11/27/2002CN1381966A Copyright protection system and method
11/27/2002CN1381965A Data recording equipment, data recording method and data transcription system
11/27/2002CN1381813A Small cipher engine for generating random numeral and steam ciphers
11/27/2002CN1381803A Data processing method for application with photo and its system
11/27/2002CN1381787A Method and system for protecting hard disk of computer
11/27/2002CN1381782A Information security device, prime genrating device and prime genrating method
11/26/2002US6487664 Processes and systems for secured information exchange using computer hardware
11/26/2002US6487661 Key agreement and transport protocol
11/26/2002US6487659 Device and method for conditional authentication
11/26/2002US6487658 Efficient certificate revocation
11/26/2002US6487402 System and method for providing access to a wireless communication service to a group of subscribers who share a set of modems
11/26/2002US6487238 Signal receiving device and radio transmission device and radio transmission method
11/26/2002US6484948 Authentication method, authentication apparatus, authentication system and IC card
11/21/2002WO2002093827A1 Encryption/decryption engine for multiple data streams
11/21/2002WO2002093826A1 Electronic device control apparatus
11/21/2002WO2002093825A1 Content reproduction apparatus, content distribution server, and content distribution system
11/21/2002WO2002093809A2 A method and apparatus for improved pseudo-random number generation
11/21/2002WO2002093377A1 Method and apparatus for serving content from a semi-trusted server
11/21/2002WO2002093361A1 System for managing program stored in storage block of mobile terminal
11/21/2002WO2002093316A2 Methods and systems for generating and validating value-bearing documents
11/21/2002WO2002077929A3 Verifiable secret shuffles and their application to electronic voting
11/21/2002WO2002073876A3 Cryptographic authentication with ephemeral modules
11/21/2002WO2002049855A3 Information based indicia discount coupon
11/21/2002WO2002005475A3 Generation and use of digital signatures
11/21/2002WO2001026062A9 Secure and efficient payment processing system
11/21/2002US20020174368 Circuits for scrambling and descrambling packets and methods of doing the same
11/21/2002US20020174366 Enforcement of content rights and conditions for multimedia content
11/21/2002US20020174360 Service providing system
11/21/2002US20020174354 Receiving device for securely storing a content item, and playback device
11/21/2002US20020174352 Data security system for a database
11/21/2002US20020174345 Remote authenticating biometric apparatus and method for networks and the like
11/21/2002US20020174339 Data card verification system
11/21/2002US20020174338 Digital signature verification apparatus
11/21/2002US20020174334 Check authorization system and method
11/21/2002US20020174332 Adaptive message authentication code
11/21/2002US20020174239 Data reproducing apparatus, data reproduction method, recording medium storing data reproduction program, and video on demand system
11/21/2002US20020174074 Check authorization system and method
11/21/2002US20020172396 Quantization-based data hiding employing calibration and locally adaptive quantization
11/21/2002US20020172368 Intial free preview for multimedia multicast content
11/21/2002US20020172366 Initial viewing period for scalable authorization of streaming multimedia content
11/21/2002US20020172365 Mobile communication terminal device and server device
11/21/2002US20020172359 Method and apparatus for improved pseudo-random number generation
11/21/2002US20020172358 Method and device for data encryption in programming of control units
11/21/2002US20020172357 Encryption/decryption engine for multiple isochronous data streams
11/21/2002US20020172190 Method and apparatus for secure communication and key distribution in a telecommunication system
11/21/2002US20020172116 Distribution of content
11/21/2002US20020171546 Universal, customizable security system for computers and other devices
11/21/2002DE10121819A1 Method for context specific remote data access authentication. e.g. for controlling access to patient medical records by ensuring that both doctor and patient must be present to access patient records with their access chip cards
11/21/2002CA2444291A1 Method and apparatus for serving content from a semi-trusted server
11/21/2002CA2414246A1 System for managing program stored in storage block of mobile terminal
11/20/2002EP1259024A2 Certified shuffle-decrypting system, certified shuffle-decrypting method and certified shuffle-decryption verifying method
11/20/2002EP1258801A1 Device authentication apparatus and method, and recorded medium on which device authentication program is recorded