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)
05/1999
05/20/1999WO1999024928A2 Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
05/20/1999WO1999016099A3 Secure customer interface for web-based data management
05/20/1999WO1999015996A3 Multi-threaded web based user inbox for report management
05/20/1999WO1999015960A3 Integrated customer interface for web-based data management
05/20/1999WO1999007146A9 Representing entitlements to service in a conditional access system
05/20/1999DE19750522A1 Authentication system for electronic data
05/20/1999DE19747603A1 Signing messages with digital signature
05/20/1999CA2309666A1 Generation of a seed number
05/20/1999CA2308218A1 Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
05/19/1999EP0916210A1 Pocket encrypting and authenticating communications device
05/19/1999EP0916209A1 Cryptographic key recovery system
05/19/1999EP0916208A1 Accelerating public-key cryptography by precomputing randomly generated pairs
05/19/1999CN1043436C Locking device utilizing frequency coupling and cipher decoding
05/18/1999US5905976 System of secured payment by the transfer of electronic money through an interbank network
05/18/1999US5905963 Subscriber terminal monitor system for a wireless telecommunications system
05/18/1999US5905800 Method and system for digital watermarking
05/18/1999US5905799 Programmed computer for identity verification, forming joint signatures and session key agreement in an RSA public cryptosystem
05/18/1999US5905798 TIRIS based kernal for protection of "copyrighted" program material
05/18/1999CA2151851C Methods for providing secure access to shared information
05/14/1999WO1999023827A1 Broadcast data access controller communication system
05/14/1999WO1999023781A1 Signature verification for elgamal schemes
05/14/1999WO1999023591A1 Networked personal contact manager
05/14/1999WO1998054864A3 Auto-recoverable auto-certifiable cryptosystems
05/14/1999CA2306468A1 Signature verification for elgamal schemes
05/12/1999EP0915630A2 Strengthening the authentification protocol
05/12/1999EP0915620A1 Method and apparatus for preventing unauthorized copy of data recorded on recording medium
05/12/1999EP0915590A2 Method and system for secure lightweight transactions in wireless data networks
05/12/1999EP0915589A1 Encryption method
05/12/1999EP0915580A2 Access control system in a data broadcasting system
05/12/1999EP0914733A1 Multi matrix encryption for private transmission of data
05/12/1999EP0914732A2 Methods and apparatus for multiple-iteration cmea encryption and decryption for improved security for wireless telephone messages
05/12/1999EP0914640A1 Method for storing and operating sensitive information in a security module, and associated security module
05/12/1999EP0914635A1 Authentication system
05/11/1999US5903882 Reliance server for electronic transaction system
05/11/1999US5903651 Apparatus and method for demonstrating and confirming the status of a digital certificates and other data
05/11/1999US5903649 Method for establishing a common code for authorized persons through a central office
05/11/1999US5903648 Method and apparatus for encryption
05/06/1999WO1999022486A1 Method for digital signing of a message
05/06/1999WO1999022485A1 Virtual matrix encryption (vme) and virtual key cryptographic method and apparatus
05/06/1999WO1999022484A1 Method and apparatus for generating encryption stream ciphers
05/06/1999WO1999013436A3 Data medium authentication method
05/06/1999EP0913999A1 Copy management method
05/06/1999EP0913997A2 Digital video recorder error recovery method
05/06/1999EP0913978A2 Acoustic coupling device
05/06/1999EP0913964A2 A method of and an apparatus for generating internal crypto-keys
05/06/1999EP0913788A2 A reproduction apparatus for reproducing digital data, a recording medium recording digital data, and a computer-readable recording medium recording a reproduction Program
05/06/1999EP0913040A1 Spiral scrambling
05/06/1999EP0912920A1 System for secure data storage on cd-rom
05/06/1999DE19811593C1 Matrix-controlled hash function for ensuring the integrity or authenticity of transmitted data
05/06/1999CA2307234A1 Virtual matrix encryption (vme) and virtual key cryptographic method and apparatus
05/05/1999CN1215966A Strengthening authentication protocol
05/05/1999CA2252998A1 Broadcast data access controller communication system
05/04/1999US5901227 Method and apparatus for implementing partial and complete optional key escrow
05/04/1999US5899983 Method for using electronic information services with guarantee of the anonymity of users in relation to the operators of such services
05/04/1999CA2149688C Pre-location of authentication information in a personal communication system
04/1999
04/29/1999WO1999021359A1 Method and system for transmitting and decoding data in a signal
04/29/1999WO1999021321A1 Digitally certifying a user identity and a computer system in combination
04/29/1999WO1999021320A1 Accelerated signature verification on an elliptic curve
04/29/1999WO1999021096A1 Validation gateway
04/29/1999WO1999008230A3 Method for verifying the authenticity of a data medium
04/29/1999WO1998058322A9 Security apparatus for data transmission with dynamic random encryption
04/29/1999CA2307646A1 Validation gateway
04/29/1999CA2296146A1 Method and system for transmitting and decoding data in a signal
04/28/1999EP0912059A2 Terminal with multiple audio and video
04/28/1999EP0912058A2 Method and apparatus for providing broadcast data services
04/28/1999EP0912011A2 Method and apparatus for encoding and recovering keys
04/28/1999EP0910923A1 Enhanced short message and method for synchronising and ensuring security of enhanced short messages exchanged in a cellular radio communication system
04/28/1999EP0721718A4 Method and apparatus for authentication in a communication system
04/28/1999CN1215528A Method for providing a secure communication between two devices and application of this method
04/28/1999CN1215521A Systems and method for interfacing multiple electronic devices
04/28/1999CN1215271A One way data converter and machine identification system
04/28/1999CA2251412A1 A reproduction apparatus for reproducing digital data, a recording medium recording digital data, and a computer-readable recording medium recording a reproduction program
04/27/1999US5898782 Method and system to secure the transmission of data elements between a sensor and a recorder
04/27/1999US5898779 Photograhic system with selected area image authentication
04/27/1999US5898766 Method for enabling a transaction between a terminal user and a server
04/27/1999US5898156 Validation stamps for electronic signatures
04/27/1999US5898154 System and method for updating security information in a time-based electronic monetary system
04/27/1999CA2087616C Encryption system for digital cellular communications
04/22/1999WO1999020020A1 Key validation scheme
04/22/1999WO1999020019A1 Method and apparatus for generating a stream cipher
04/22/1999WO1999020018A1 Novel digital cryptography method by selector box
04/22/1999WO1999019845A1 A method and apparatus using digital credentials and other electronic certificates for electronic transactions
04/22/1999WO1999019822A2 System and method for discovering compromised security devices
04/22/1999WO1999019803A1 Integrated customer interface for web based communications network management
04/22/1999WO1999007146A8 Representing entitlements to service in a conditional access system
04/22/1999WO1999005814A3 E-mail firewall with stored key encryption/decryption
04/22/1999WO1999000929A3 Method and computer system for coding a message
04/22/1999WO1998047262A9 Methods and apparatus for multiple-iteration cmea encryption and decryption for improved security for wireless telephone messages
04/22/1999CA2304543A1 Integrated customer interface for web based communications network management
04/22/1999CA2274938A1 Novel digital cryptography method by selector box
04/22/1999CA2272685A1 A method and apparatus using digital credentials and other electronic certificates for electronic transactions
04/21/1999EP0910218A2 Audio program reception terminal for television delivery system
04/21/1999EP0910217A1 Process for controlling access to a domestic network and device implementing the process
04/21/1999EP0910216A1 Process for transferring a scrambling key
04/21/1999EP0910197A2 Methods and apparatus for a computer network firewall with dynamic rule processing
04/21/1999EP0910003A2 Information processing apparatus, information processing method, and transmission medium
04/21/1999EP0909495A1 Public key cryptography method
04/21/1999EP0909434A2 Method and device for loading input data into an algorithm during authentication
04/21/1999EP0909433A1 Method for performing a double-signature secure electronic transaction
04/21/1999CN1214583A 电子商务系统 E-commerce system
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