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)
04/2000
04/19/2000EP0994599A1 Data transmitting/receiving method, data transmitter, data receiver, data transmitting/receiving system, av content transmitting method, av content receiving method, av content transmitter, av content receiver, and program recording medium
04/19/2000EP0994598A1 Cryptation system for packet switching networks based on digital chaotic models
04/19/2000EP0993750A2 Operation and maintenance system for a mobile telecommunications network
04/19/2000EP0993747A1 Subscriber system with user station with removable data store
04/19/2000EP0993717A2 System and method for multicasting multimedia content
04/19/2000EP0993716A1 Computer access control
04/19/2000EP0993662A1 Procedure for the control of applications stored in a subscriber identity module
04/19/2000EP0673581B1 Set top terminal for cable television delivery systems
04/19/2000CN1251232A Method of and apparatus for encrypting signals for transmission
04/19/2000CN1250994A Secure transmitting for broadband data information
04/19/2000CN1051661C Code sequence generator
04/18/2000US6052787 Process for group-based cryptographic code management between a first computer unit and group computer units
04/18/2000US6052786 Secrecy communication system
04/18/2000US6052783 Method of loading commands in the security module of a terminal
04/18/2000US6052715 Interactive communication system for downloading large amount data
04/18/2000US6052554 Television program delivery system
04/18/2000US6052469 Interoperable cryptographic key recovery system with verification by comparison
04/18/2000US6052468 Method of securing a cryptographic key
04/18/2000US6052467 System for ensuring that the blinding of secret-key certificates is restricted, even if the issuing protocol is performed in parallel mode
04/18/2000US6052466 Encryption of data packets using a sequence of private keys generated from a public key exchange
04/18/2000US6052465 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
04/18/2000US6052365 Multi-channel digital data transmission in a wireless telecommunications system
04/18/2000CA2194421C Cryptosystem
04/18/2000CA2193227C Method and apparatus for the verification of data sequences
04/18/2000CA2179497C Pseudo-random generator
04/16/2000CA2250680A1 Song title ordering, downloading and playback system
04/13/2000WO2000021241A1 Method and system for consumer electronic device certificate management
04/13/2000WO2000021240A1 Processing method and apparatus for converting information from a first format into a second format
04/13/2000WO2000021020A2 Card for interaction with a computer
04/13/2000WO2000020950A1 Distributing access to a data item
04/13/2000WO2000020948A1 Copy protection system and method
04/13/2000WO2000002342A3 Leak-resistant cryptographic indexed key update
04/13/2000WO2000000882A3 Apparatus and method for end-to-end authentication using biometric data
04/13/2000WO1999063709A3 System and method for pushing information from a host system to a mobile data communication device
04/13/2000DE3904831C2 Ein universelles homophones Codierverfahren A universal homophonic coding
04/13/2000DE19847944A1 Establishing a common key between a central station and a group of subscribers involves using public mathematical group, higher order element of group and threshold process
04/13/2000DE19847941A1 Common cryptographic key establishment method for subscribers involves successively combining two known secret values into a new common value throughout using Diffie-Hellmann technique
04/13/2000CA2345745A1 Card for interaction with a computer
04/13/2000CA2345736A1 A method to use acoustic signals for computer communications
04/12/2000EP0993143A1 Processing method and apparatus for converting information from a first format into a second format
04/12/2000EP0993142A1 Safe transmission of broadband data messages
04/12/2000EP0992146A2 Method and computer system for coding a digital message, for transmitting said message from a first computer unit to a second computer unit and for decoding the message
04/12/2000EP0992145A1 Data communications
04/12/2000EP0992139A1 System and method for reliable key transfer
04/12/2000EP0992002A2 Security apparatus for data transmission with dynamic random encryption
04/12/2000EP0991989A2 Method and arrangement relating to communications systems
04/12/2000EP0888677A4 An authentication system based on periodic challenge/response protocol
04/12/2000EP0741936A4 Pseudo-random generator
04/12/2000CN1250564A User registration in a telecommunication network
04/12/2000CN1250286A Secret distribution system for digital information content
04/11/2000US6049878 Efficient, secure multicasting with global knowledge
04/11/2000US6049877 Systems, methods and computer program products for authorizing common gateway interface application requests
04/11/2000US6049873 Scrambled information transmitting and receiving method
04/11/2000US6049872 Method for authenticating a channel in large-scale distributed systems
04/11/2000US6049786 Electronic bill presentment and payment system which deters cheating by employing hashes and digital signatures
04/11/2000US6049613 Method and apparatus for encrypting, decrypting, and providing privacy for data values
04/11/2000US6049612 File encryption method and system
04/11/2000US6049611 One-way data conversion apparatus and device authentication system
04/11/2000US6049610 Method and apparatus for digital signature authentication
04/11/2000US6049608 Variable length nonlinear feedback shift registers with dynamically allocated taps
04/11/2000US6047887 System and method for connecting money modules
04/11/2000CA2205370C Security apparatus and method
04/11/2000CA2196556C Quantum cryptography
04/11/2000CA2183274C Secure user certification for electronic commerce employing value metering system
04/08/2000CA2248387A1 Secured document generating system - sdgs
04/06/2000WO2000019658A1 Method for the blind generation of a digital rsa signature and device for realising the same
04/06/2000WO2000019657A1 Encoding method for carrying out cryptographic operations
04/06/2000WO2000019656A1 Encoding method for carrying out cryptographic operations
04/06/2000WO2000019652A1 Distributed shared key generation and management using fractional keys
04/06/2000WO2000019439A1 Cipher machine
04/06/2000WO2000019386A1 Data processing device and method for operating same which prevents a differential current consumption analysis
04/06/2000WO2000019367A1 Data processing device and operating method for preventing a differential current consumption analysis
04/06/2000WO2000019365A1 Information card and information card system
04/06/2000WO2000019299A1 An apparatus for providing a secure processing environment
04/06/2000WO1999067766A3 Balanced cryptographic computational method and apparatus for leak minimization in smartcards and other cryptosystems
04/06/2000DE19936939A1 Datenverarbeitungseinrichtung und Verfahren zu dessen Betrieb zum Verhindern einer differentiellen Stromverbrauchanalyse Data processing device and method for its operation for preventing a differential current consumption analysis
04/06/2000DE19936938A1 Datenverarbeitungseinrichtung und Verfahren zu dessen Betrieb zum Verhindern einer differentiellen Stromverbrauchanalyse Data processing device and method for its operation for preventing a differential current consumption analysis
04/06/2000DE19936918A1 Verschlüsselungsverfahren zum Ausführen von kryptographischen Operationen Encryption method for performing cryptographic operations
04/06/2000DE19936890A1 Verschlüsselungsverfahren zum Ausführen von kryptographischen Operationen Encryption method for performing cryptographic operations
04/06/2000DE19845199A1 Time stamping data with official time e.g. for electronic signature on digital documents by using decrypted official time signal to set internal time source
04/06/2000DE19845073A1 Data encryption standard coding protection method
04/06/2000CA2345107A1 Information card and information card system
04/06/2000CA2309627A1 An apparatus for providing a secure processing environment
04/05/2000EP0991242A2 Method and apparatus for caching credentials in proxy servers for wireless user agents
04/05/2000EP0990969A1 Methods and systems for providing data and telephony security
04/05/2000EP0990968A1 Methods and system for providing data and telephony security
04/05/2000EP0990367A2 Device for monitoring a connection setup
04/05/2000EP0990350A1 Method for authenticating electronic documents on a computer network
04/05/2000EP0990326A1 Apparatus and method of reading a program into a processor
04/05/2000EP0990226A1 System for secured reading and processing of data on intelligent data carriers
04/05/2000EP0663124A4 Method and apparatus for efficient real-time authentication and encryption in a communication system
04/05/2000EP0634038A4 A cryptographic communications method and system
04/05/2000CN1249637A Method for encryption of wireless communication in wireless system
04/05/2000CN1249636A Method for transmitting sensitive message by initial unclassified communication
04/05/2000CN1249621A Prepay broadcast system with enhanced secret measure to prevent illegal watching downloaded program
04/05/2000CN1249590A Method and device for agency of buffer memory specimen seal impression for radio subscriber in agent server
04/05/2000CN1249589A Signature/verification method for nonshared key algorithm
04/05/2000CN1249588A Method for updating encrypted shared data in radio communication system
04/05/2000CN1249587A Method for mutual authentication and cryptographic key agreement
04/05/2000CN1249586A Method and device for establishing safety connection on single data channel
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