Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 9 - Arrangements for secret or secure communication
Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
11/2002
11/07/2002WO2002089096A1 Apparatus and method for encrypting/decrypting information on basic element-by-basic element basis and encryption/decryption system using the same
11/07/2002WO2002089081A1 Pc card security system
11/07/2002WO2002089048A1 Data processing system, memory device, data processor, data processing method, and program
11/07/2002WO2002088991A1 Method of protecting and managing digital contents and system for using thereof
11/07/2002WO2002088969A1 Controller architecture and strategy for small discontiguous accesses to high-density memory devices
11/07/2002WO2002088912A2 System and method for processing a shared secret
11/07/2002WO2002088893A2 Application-specific information-processing method, system, and apparatus
11/07/2002WO2002088874A2 Method and system for micropayment transactions
11/07/2002WO2002088854A1 Computational method, system, and apparatus
11/07/2002WO2002069087A3 System and method for message encryption and signing in a transaction processing system
11/07/2002WO2002055976A3 Method and system for processing of documents with electronic signatures
11/07/2002WO2002033879A3 Security system
11/07/2002US20020166058 Semiconductor integrated circuit on IC card protected against tampering
11/07/2002US20020166057 Temper-resistant processing method
11/07/2002US20020166056 Hopscotch ticketing
11/07/2002US20020166055 Secure pin entry into a security chip
11/07/2002US20020166054 Contents distribution system
11/07/2002US20020166047 Method and apparatus for providing information for decrypting content, and program executed on information processor
11/07/2002US20020165828 Digital data dealing system
11/07/2002US20020165824 Scalable certificate validation and simplified PKI management
11/07/2002US20020165677 Apparatus and method for seamlessly upgrading the firmware of an intelligent electronic device
11/07/2002US20020164049 Emulsion products and imagery employing steganography
11/07/2002US20020164036 Certification of transactions
11/07/2002US20020164035 Reception terminal, key management apparatus, and key updating method for public key cryptosystem
11/07/2002US20020164034 Information processing device and processing method
11/07/2002US20020164033 Efficient techniques for sharing a secret
11/07/2002US20020164032 Method and apparatus for remote digital key generation
11/07/2002US20020164029 Frame number identification and ciphering activation time synchronization for a wireless communications protocol
11/07/2002US20020164026 An authentication method
11/07/2002US20020164022 Method and apparatus for providing bus-encrypted copy protection key to an unsecured bus
11/07/2002US20020164021 Apparatus and method for enhancing the security of negotiable instruments
11/07/2002US20020164020 System and method for encrypting and decrypting information through the use of random numbers
11/07/2002US20020164018 Encoding and decoding methods for secure scalable streaming and related systems
11/07/2002US20020163911 Method and system for midstream transcoding of secure scalable packets in response to downstream requirements
11/07/2002US20020163559 Ink jet printhead chip with predetermined micro-electromechanical systems height
11/07/2002US20020163420 Secure system for the control of the unlocking of at least one openable panel of a motor vehicle
11/07/2002DE10121851A1 Encryption system makes key from basic pattern using shorter password
11/07/2002DE10120290A1 Verfahren zum Sichern einer Datenübertragung zwischen mehreren Datenübertragungseinheiten sowie zugehörige Komponenten A method for securing data transmission between multiple data transmission units and associated components
11/07/2002CA2445573A1 Method and system for micropayment transactions
11/06/2002EP1255394A2 Just-in-time user authentication in a digital home network
11/06/2002EP1255372A1 Method and system for data integrity protection
11/06/2002EP1254556A1 Decoder, decoding method and a chip card
11/06/2002EP1254548A1 Method and device for securing data for sending over an open network
11/06/2002EP1254534A1 Communication method with encryption key escrow and recovery
11/06/2002EP1254416A1 Method and system for managing information retention
11/06/2002EP1254405A2 Method for producing and checking forge-proof documents
11/06/2002EP1216159A4 Printed media binder
11/06/2002EP1135887A4 Message identification with confidentiality, integrity, and source authentication
11/06/2002EP1080400B1 Method and device for processing data
11/06/2002EP1044437B1 Data carrier device with test means for testing the access authorization of a data reading device
11/06/2002EP1033010A4 Digitally certifying a user identity and a computer system in combination
11/06/2002EP0968610B1 Transmission and reception of television programmes and other data
11/06/2002EP0941526B1 A method and apparatus using digital credentials and other electronic certificates for electronic transactions
11/06/2002CN1378744A System and method for securing on-demand delivery of pre-encrypted content using ECM suppression
11/06/2002CN1378742A Method and system for handling two CA systems in same receiver
11/06/2002CN1378663A Method and system for note taking
11/06/2002CN1378405A Method for setting radio local network parameter between communication equipment by directly contacting or adjacent connection
11/06/2002CN1378382A Method for controlling data transmission and receiving containing encrypted data stream
11/06/2002CN1378361A 线性反馈移位寄存器 The linear feedback shift register
11/05/2002US6477653 Information storage system
11/05/2002US6477652 Cryptographic checksum apparatus
11/05/2002US6477650 Data protecting system and method for protecting data
11/05/2002US6477649 Information recording apparatus, information reproducing apparatus, and information distribution system
11/05/2002US6477547 Processing system comprised of data processing device and data access device each converting data and mutually communicating the converted data
11/05/2002US6477530 Digital data recording and reproducing system
11/05/2002US6477254 Network system using a threshold secret sharing method
11/05/2002US6477252 Digital video content transmission ciphering and deciphering method and apparatus
11/05/2002US6477251 Apparatus and method for securely determining an outcome from multiple random event generators
11/05/2002CA2356073C System and method for secure communications between a host system and a mobile data communication device
10/2002
10/31/2002WO2002087152A1 Universal, customizable security system for computers and other devices
10/31/2002WO2002087151A1 Cryptographic signing in small devices
10/31/2002WO2002087150A1 Method for non repudiation using cryptographic signatures in small devices
10/31/2002WO2002087149A1 Terminal communication system
10/31/2002WO2002087148A1 Non-transferable anonymous digital receipts
10/31/2002WO2002087147A1 Information recording/reproducing apparatus and method
10/31/2002WO2002087146A1 Encryption system and control method thereof
10/31/2002WO2002087145A1 Method of verifiably sharing a secret in potentially asynchronous networks
10/31/2002WO2002087144A1 Method for secure communication between two devices
10/31/2002WO2002087142A2 Method for providing security on a powerline-modem network
10/31/2002WO2002087105A1 Apparatus for providing security on a powerline-modem network
10/31/2002WO2002086865A1 Speaker verification in a spoken dialogue system
10/31/2002WO2002086847A1 Data securing communication apparatus and method
10/31/2002WO2002086846A1 Enciphering / deciphering device, enciphering / deciphering method, data enciphering method, and ic card
10/31/2002WO2002086826A1 Financial information input method using symmetrical key security algorithm and commercial transaction system for mobile communications
10/31/2002WO2002086725A1 A system and method for secure and convenient management of digital electronic content
10/31/2002WO2002086718A1 Method and system for securely authenticating network access credentials for users
10/31/2002WO2002086684A2 An information security system
10/31/2002WO2002050780A3 Method for reissuing indicium in a postage metering system
10/31/2002WO2002033891A3 Secure and reliable document delivery using routing lists
10/31/2002WO2002033881A3 Fast escrow delivery
10/31/2002WO2002030041A3 Electronically verified digital signature and document delivery system and method
10/31/2002WO2001061508A9 Watermark encoder and decoder enabled software and devices
10/31/2002US20020162104 Encrypted media key management
10/31/2002US20020162026 Apparatus and method for providing secure network communication
10/31/2002US20020162021 Method and system for establishing a remote connection to a personal security device
10/31/2002US20020162014 Intelligent electronic device with assured data storage on powerdown
10/31/2002US20020162000 Method for the verification of the integrity and authorship of a text
10/31/2002US20020161997 Content distribution system
10/31/2002US20020161723 System and method of secure authentication and billing for goods and services using a cellular telecommunication and an authorization infrastructure
10/31/2002US20020159599 Block encryption device using auxiliary conversion
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