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)
08/2003
08/21/2003WO2002035764A3 Process and apparatus for improving the security of digital signatures
08/21/2003WO2002033521A3 Method and apparatus for controlling access to functions with different security levels
08/21/2003WO2002017048A3 Trusted device
08/21/2003WO2002014985A9 Automated payment system
08/21/2003WO2002005078A3 Method and apparatus for secure identity authentication with audible tones
08/21/2003US20030159140 Selective encryption to enable multiple decryption keys
08/21/2003US20030159139 Video slice and active region based dual partial encryption
08/21/2003US20030159065 Apparatus and method for inspecting the copyright of digital data on a network, and recording medium on which is recorded a copyright inspection program
08/21/2003US20030159062 Cryption and decryption communication semiconductor device and recording/reproducing apparatus
08/21/2003US20030159054 Reconfigurable secure input device
08/21/2003US20030159053 Secure reconfigurable input device with transaction card reader
08/21/2003US20030159051 Method for generating electronic signatures
08/21/2003US20030159050 System and method for acoustic two factor authentication
08/21/2003US20030159048 Time stamping system for electronic documents and program medium for the same
08/21/2003US20030159045 Original creating apparatus and originality guaranteeing apparatus
08/21/2003US20030159041 Method for authentication between apparatuses using challenge and response system
08/21/2003US20030159040 Method and apparatus for personal identification
08/21/2003US20030159039 Method of protecting an electronic chip against fraud
08/21/2003US20030159038 Cryptographic method for protection against fraud
08/21/2003US20030159037 Apparatus and method for recording/reproducing information
08/21/2003US20030159036 Validation protocol and system
08/21/2003US20030159035 Application rights enabling
08/21/2003US20030159034 Communication system, interconnecting device and program for authenticating a user of a communication network
08/21/2003US20030159031 Method for establishing the authenticity of the identity of a service user and device for carrying out the method
08/21/2003US20030158888 Safe communication
08/21/2003US20030158819 Personal identification device and system used to produce and organize digital receipts
08/21/2003US20030158815 Information processing apparatus and information processing method
08/21/2003US20030158808 Electronic bidding method for receiving a bidding form from a bidder for a supplied item via a virtual server secured until a bidding due date
08/21/2003US20030157947 Connection architecture for a mobile network
08/21/2003US20030157927 Method for relocating SRNS in a mobile communication system
08/21/2003US20030157904 Computer terminals biometrically enabled for network functions and voice communication
08/21/2003US20030156740 Personal identification device using bi-directional authorization for access control
08/21/2003US20030156721 Method and system for encryption and authentication
08/21/2003US20030156720 Scrambler with scramble process bypass capability and descrambler with descramble process bypass capability
08/21/2003US20030156718 Progressive video refresh slice detection
08/21/2003US20030156716 Copyright protection system, digital information processing apparatus and copyright protection method
08/21/2003US20030156715 Apparatus, system and method for validating integrity of transmitted data
08/21/2003CA2475086A1 Method for storage and transport of an electronic certificate
08/20/2003EP1337125A2 Method for relocating SRNS in a mobile communication system
08/20/2003EP1337087A2 Security key distribution using key rollover strategies for wireless networks
08/20/2003EP1336914A2 Security token
08/20/2003EP1336913A2 Original creating apparatus and originality guaranteeing apparatus
08/20/2003EP1336310A2 Methods and apparatus for identifying asset location in mobile communication networks
08/20/2003EP1336287A1 Calling from a radiotelephone terminal
08/20/2003EP1336277A2 Methods and apparatus for identifying asset location in mobile communication networks
08/20/2003EP1336271A2 Cryptographic communications using locally generated cryptographic keys for conditional access
08/20/2003EP1297652A4 Improving des hardware throughput for short operations
08/20/2003EP1064752B1 Method for data securement using a cryptographic algorithm
08/20/2003EP1062763B1 Code exchange method
08/20/2003CN1437808A Data processing with a key
08/20/2003CN1437741A Authenticated payment
08/20/2003CN1437376A Method of realizing safe mobile e-business in GSM
08/20/2003CN1437375A Confirmation method for safe mobile e-business platform digital certificate
08/20/2003CN1437350A Method and equipment for safety Internetwork protocol communication in call processing system
08/20/2003CN1437349A Enciphering and deciphering device for voice/data transmission
08/20/2003CN1437330A Double-encrypted algorithm used in satellite channel with time delay
08/20/2003CN1437193A Information recording/replaying equipment and method
08/20/2003CN1437170A Digital content management apparatus and digital content management program
08/20/2003CN1437135A Service providing method, system and program
08/20/2003CN1118982C Circuit and method for guaranteeing interconnection safety in multi-chip integrated circuit package
08/19/2003US6609200 Method and system for processing electronic documents
08/19/2003US6609197 Method and system for secure emergency access to network devices
08/19/2003US6609196 E-mail firewall with stored key encryption/decryption
08/19/2003US6609116 System and method for securely updating copy-protected media
08/19/2003US6608901 Cryptographic key split combiner
08/14/2003WO2003067905A2 Method and system for providing third party authentification of authorization
08/14/2003WO2003067888A1 A hybrid network encrypt/decrypt scheme
08/14/2003WO2003067812A1 Method and apparatus for in-vehicle device authentication
08/14/2003WO2003067811A1 Mobile communication terminal, information processing method, data processing program, and recording medium
08/14/2003WO2003067809A1 Secure electonic messqging system requiring key retrieval for deriving decryption keys
08/14/2003WO2003067808A1 Method and system for securely storing and transmitting data by applying a one-time pad
08/14/2003WO2003067801A2 Key management with client verification of authorization
08/14/2003WO2003067536A2 Methods and systems for validating the authority of the holder of a digital certificate issued by a certificate authority
08/14/2003WO2003067498A2 Method of personalizing and identifying communications
08/14/2003WO2003067452A1 System and method for authentication and fail-safe transmission of safety messages
08/14/2003WO2003028285A3 Method for encoding and decoding communication data
08/14/2003WO2002069070A3 Controlling access to protected digital content
08/14/2003WO2002056133A9 System and method for automatically detecting and then self-repairing corrupt, modified or non-existent files via a communication medium
08/14/2003WO2002025862A3 Cryptographic encoder/decoder with segmentation and dynamically varying number bases
08/14/2003WO2002011025A3 System and method for verifying delivery and integrity of electronic message
08/14/2003US20030154413 Information processing device, information processing system, authentication method, storage medium and program
08/14/2003US20030154407 Service providing method, system and program
08/14/2003US20030154389 Method and arrangement for increasing the security of circuits against unauthorized access
08/14/2003US20030154378 Data application method
08/14/2003US20030154376 Optical storage medium for storing, a public key infrastructure (pki)-based private key and certificate, a method and system for issuing the same and a method for using
08/14/2003US20030154371 Automated electronic messaging encryption system
08/14/2003US20030154124 Coercion-free voting scheme
08/14/2003US20030152364 System for providing scrambled content, and system for descrambling scrambled content
08/14/2003US20030152235 Security key distribution using key rollover strategies for wireless networks
08/14/2003US20030152234 Key generating method, contents providing method, ciphered-contents deciphering method, pirate identifying method, contents providing system, user system, trace system, ciphering apparatus, deciphering apparatus, and computer program
08/14/2003US20030152233 Method of encryption
08/14/2003US20030152230 System and method for secure communication and storage of information
08/14/2003US20030152226 Slice mask and moat pattern partial encryption
08/14/2003US20030152224 Video scene change detection
08/14/2003US20030152223 Information recording/replaying apparatus and method
08/14/2003US20030152221 Sequence generator and method of generating a pseudo random sequence
08/14/2003US20030152219 Efficient stream cipher system and method
08/14/2003US20030152218 Cryptography method on elliptic curves
08/14/2003US20030151991 Recording method, recording apparatus, reproducing method and reproducing apparatus
08/14/2003US20030150910 Business card as electronic mail token for use with processing sensor
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