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)
03/2000
03/08/2000EP0983664A1 Scanner enhanced remote control unit and system for automatically linking to on-line resources
03/08/2000EP0983663A1 Encryption method and device
03/08/2000EP0983662A1 Identification and security using biometric measurements
03/08/2000EP0983661A1 Method and system for accessing electronic resources via machine-readable data on intelligent documents
03/08/2000EP0983541A1 Method and apparatus for signing and sealing objects
03/07/2000US6035402 Virtual certificate authority
03/07/2000US6035398 Cryptographic key generation using biometric data
03/07/2000US6035397 Process for data certification by scrambling and certification system using such a process
03/07/2000US6035368 Protection method against eeprom-directed intrusion into a mobile communication device that has a processor, and a device having such protection mechanism
03/07/2000US6035042 High speed and method of providing high speed table generation for block encryption
03/07/2000US6035041 Optimal-resilience, proactive, public-key cryptographic system and method
03/07/2000US6035038 Conditional access system and smartcard allowing such access
03/07/2000US6034618 Device authentication system which allows the authentication function to be changed
03/02/2000WO2000011870A1 Secure information distribution system utilizing information segment scrambling
03/02/2000WO2000011835A1 Secure processing for authentication of a wireless communications device
03/02/2000WO2000011834A1 Graphic digital signatures
03/02/2000WO2000011833A1 Method and device for creating a secret communication key for a predetermined asymmetric and cryptographic key-pair
03/02/2000WO2000011832A1 System and method for enabling secure access to services in a computer network
03/02/2000WO2000011828A1 Time-stamping with binary linking schemes
03/02/2000WO2000011623A1 Data carrier device with test means for testing the access authorization of a data reading device
03/02/2000WO2000011619A1 Methods for generating a verifiable audit record and performing an audit
03/02/2000WO2000011538A1 Improvements in and relating to access control
03/02/2000WO2000011537A1 Improvements in and relating to data communication
03/02/2000WO2000011536A1 Improvements in and relating to electronic security devices
03/02/2000WO2000011535A1 Improvements in and relating to data processing apparatus and verification methods
03/02/2000WO1999044329A3 Encryption processor with shared memory interconnect
03/02/2000DE19838605A1 Verfahren und Vorrichtung zur Bildung einer Nachweisgröße, die einen Nachweis eines digitalen Signierens einer elektronischen Datei ermöglicht sowie Verfahren und Vorrichtung zum Nachweis, daß eine elektronische Datei digital signiert worden ist Method and apparatus for forming a proof variable, which allows proof of a digital signing of an electronic file and method and apparatus for proving that an electronic file has been digitally signed
03/01/2000EP0982965A2 Method for establishing session key agreement
03/01/2000EP0982963A2 Method for determining temporary mobile identifiers and managing use thereof
03/01/2000EP0982958A2 Method for protecting mobile anonymity
03/01/2000EP0982927A1 Method of generating authentication-enabled electronic data
03/01/2000EP0982896A2 Method and apparatus for proving existence of a digital signature of a digital file
03/01/2000EP0982895A2 Cryptographic data processor, communication system and recording medium
03/01/2000EP0982894A1 Block cipher with chaining
03/01/2000EP0982056A2 IC card, terminal device and service management server
03/01/2000EP0981921A1 Arrangement for improving availability of services in a communication system
03/01/2000EP0981876A2 Arrangement for extending service support in a communication system
03/01/2000EP0981874A1 Optimal-resilience, proactive, public-key cryptographic system and method
03/01/2000EP0706118B1 Program data protecting method
03/01/2000EP0673582B1 Reprogrammable terminal for suggesting programs offered on a television program delivery system
03/01/2000CN1246008A Privacy method for multimedium data
03/01/2000CN1246007A Permutation code encryption and decryptment method and its encryption and decryptment equipment
02/2000
02/29/2000US6032260 Method for issuing a new authenticated electronic ticket based on an expired authenticated ticket and distributed server architecture for using same
02/29/2000US6032137 Remote image capture with centralized processing and storage
02/29/2000US6031913 Apparatus and method for secure communication based on channel characteristics
02/29/2000US6031911 Practical S box design
02/29/2000US6031910 Method and system for the secure transmission and storage of protectable information
02/29/2000CA2210763C Key generation from a given string for entity authentication
02/29/2000CA2166895C Method for the production of a key common to two devices for implementing a common cryptographic procedure and associated apparatus
02/29/2000CA2137608C Apparatus and method for securing communication systems
02/28/2000CA2276872A1 Method for protecting mobile anonymity
02/28/2000CA2276871A1 Method for determining temporary mobile identifiers and managing use thereof
02/24/2000WO2000010303A1 Access control using attributes contained within public key certificates
02/24/2000WO2000010289A1 Unique digital signature
02/24/2000WO2000010288A1 Apparatus and method for an authenticated electronic userid
02/24/2000WO2000010287A1 Method and device for authenticating with symmetrical algorithm
02/24/2000WO2000010285A1 Deterministically generating block substitution tables which meet a given standard of nonlinearity
02/24/2000WO2000010068A2 Apparatus for and method of electronic currency generation, transfer and redemption
02/24/2000WO2000008909A2 System for tracking end-user electronic content usage
02/24/2000WO2000008907A2 Self-corrector randomizer-encryptor system and method
02/24/2000WO2000002407A3 Authentication in a telecommunications network
02/24/2000DE19837808A1 Verfahren zur Ausführung eines Verschlüsselungsprogramms zur Verschlüsselung von Daten in einem mikroprozessorgestützten, tragbaren Datenträger A method for executing an encryption program for encrypting data in a microprocessor-aided, portable data carrier
02/24/2000DE19837405A1 Secret communication key forming method
02/24/2000CA2340384A1 Apparatus and method for an authenticated electronic userid
02/24/2000CA2340367A1 Unique digital signature
02/24/2000CA2340055A1 Apparatus for and method of electronic currency generation, transfer and redemption
02/24/2000CA2339946A1 Access control using attributes contained within public key certificates
02/23/2000EP0981223A2 Encryption/decryption apparatus
02/23/2000EP0981115A2 Encyphering program execution method for data encyphering in a microprocessor-supported portable data carrier
02/23/2000EP0980635A2 Method and device to authenticate subscribers in a mobile radiotelephone systems
02/23/2000EP0980629A2 Arrangement for improving availability of services in a communication system
02/23/2000EP0980607A1 Pseudo-random generator based on a hash coding function for cryptographic systems requiring random drawing
02/23/2000EP0980559A2 Biometric certificates
02/23/2000CN1245578A Message producing type signature device
02/22/2000US6028940 Virtual shop computer network system which displays member shops and member shop certification method
02/22/2000US6028939 Data security system and method
02/22/2000US6028938 Secure electronic forms permitting layout revision
02/22/2000US6028937 Communication device which performs two-way encryption authentication in challenge response format
02/22/2000US6028935 Cryptographic receiver
02/22/2000US6028932 Copy prevention method and apparatus for digital video system
02/22/2000US6028931 EPROM encryption code decoding prevention circuit for semiconductor memory device
02/22/2000US6028868 Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless communications system
02/22/2000US6028527 Decryption and encryption transmitter/receiver with self-test, learn and rolling code
02/22/2000CA2200508C Security for controlled access systems
02/22/2000CA2187923C A method for providing blind access to an encryption key
02/22/2000CA2120667C Method for preventing inadvertent betrayal by a trustee of escrowed digital secrets
02/17/2000WO2000008542A1 Data processing device with means for counteracting analysis methods for the detection of a secret characteristic value
02/17/2000WO1999049717A3 System and method for multicasting multimedia content
02/16/2000EP0980176A1 User mapped authorization codes for central office feature services
02/16/2000EP0980052A2 Recording medium with electronic ticket definitions recorded thereon and electronic ticket processing methods and apparatuses
02/16/2000EP0979455A1 Computationally efficient method for trusted and dynamic digital objects dissemination
02/16/2000CN1245001A Method and apparatus for providing authentication security in a wireless communication system
02/16/2000CN1244936A Reliance server for electronic transaction system
02/15/2000US6026293 System for preventing electronic memory tampering
02/15/2000US6026167 Method and apparatus for sending secure datagram multicasts
02/15/2000US6026166 Digitally certifying a user identity and a computer system in combination
02/15/2000US6026163 Distributed split-key cryptosystem and applications
02/15/2000US6025653 Engine start control device
02/15/2000CA2185697C Methods and apparatus for interfacing an encryption module with a personal computer
02/13/2000CA2275481A1 User mapped authorization codes for central office feature services
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