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)
06/1999
06/24/1999WO1999031843A1 Method and apparatus for simultaneously encrypting and compressing data
06/24/1999WO1999031841A1 Method for strongly authenticating another process in a different address space
06/24/1999WO1999030787A1 Wagering system with improved communication between host computers and remote terminals
06/23/1999EP0924956A1 Device for securing a telephone connection between two subscriber terminals
06/23/1999EP0924895A2 Encryption and decryption devices for public-key cryptosystems and recording medium with their processing programs recorded thereon
06/23/1999EP0924894A2 Method for generating pseudo-random data words to be used for encryption
06/23/1999EP0924893A1 Secure communication procedure
06/23/1999EP0924657A2 Remote idendity verification technique using a personal identification device
06/23/1999EP0924656A2 Personal identification FOB
06/23/1999EP0924600A1 Electronic apparatus comprising a memory protection device and a method for protecting data in a memory
06/23/1999EP0923842A2 System for preventing electronic memory tampering
06/23/1999EP0923829A2 Instrument for making secure data exchanges
06/23/1999EP0923828A1 Quantum cryptography device and method
06/23/1999EP0923827A1 Method and apparatus for encrypting radio traffic in a telecommunications network
06/23/1999EP0923826A1 Device and method for the cryptographic processing of a digital data stream presenting any number of data
06/23/1999EP0923825A1 Method and system for establishing and maintaining user-controlled anonymous communications
06/23/1999EP0923663A1 Improved secure self learning system
06/23/1999CN1220549A Process for controlling access to domestic network and device implementing the process
06/23/1999CN1220534A Modulator-demodulator unit information transmission equipment with encryption function
06/23/1999CN1220431A Closed system virtual postage meter
06/23/1999CA2233633A1 Computer network gateway for voice mail systems and method and system of cryptographic key distribution
06/22/1999US5915216 Apparatus and method of transmitting and receiving information in a wireless telecommunications system
06/22/1999US5915025 Data processing apparatus with software protecting functions
06/22/1999US5915024 Electronic signature addition method, electronic signature verification method, and system and computer program product using these methods
06/22/1999US5915021 Method for secure communications in a telecommunications system
06/22/1999US5915019 Systems and methods for secure transaction management and electronic rights protection
06/22/1999US5915018 Key management system for DVD copyright management
06/18/1999WO1999033220A1 Digital signature method
06/17/1999WO1999030499A1 Method for protecting the audio/visual data across the nrss inte rface
06/17/1999WO1999030498A1 Conditional access system for digital receivers
06/17/1999WO1999030458A1 Transformation methods for optimizing elliptic curve cryptographic computations
06/17/1999WO1999019822A3 System and method for discovering compromised security devices
06/17/1999WO1999016208A3 Method and apparatus for generating encryption stream ciphers
06/17/1999WO1999010859A3 Steganographic encryption system for secure data
06/17/1999WO1998052163A3 Ic card transportation key set
06/17/1999CA2313548A1 Key transforms to discriminate between beams in a multi-beam satellite communication system
06/17/1999CA2310588A1 Transformation methods for optimizing elliptic curve cryptographic computations
06/16/1999EP0923076A1 Recording and reproduction of data and provision and collection of information
06/16/1999EP0923062A1 Cipher processor, IC card and cipher processing method
06/16/1999EP0922347A1 Process for sensing manipulations of digital information
06/16/1999EP0862824A4 Remote-auditing of computer generated outcomes using cryptographic and other protocols
06/15/1999US5913175 Method of making the use of a terminal of a cellular mobile radio system more secure, and corresponding terminal and user card
06/15/1999US5912974 Apparatus and method for authentication of printed documents
06/15/1999US5912973 Method for scrambling and/or descrambling FM subcarrier data
06/15/1999US5912972 Method and apparatus for embedding authentication information within digital data
06/10/1999WO1999029064A1 Secured communications scheme using random numbers
06/10/1999WO1999028887A2 Method for reducing storage space requirements for a first electronic key and coding/decoding arrangement
06/10/1999WO1999027765A2 Sustaining chaos by using basin boundary saddles
06/10/1999WO1999014880A3 A method and device for executing a decrypting mechanism through calculating a standardized modular exponentiation for thwarting timing attacks
06/10/1999WO1999011021A3 Remote image capture with centralized processing and storage
06/10/1999DE19754508A1 Method of transmitting information
06/10/1999DE19753933A1 Access control for service-on-demand system, e.g. pay television
06/10/1999CA2312358A1 Method for reducing memory space requirement for an electronic first key, and arrangement for encryption and decryption
06/09/1999EP0920753A1 Public key cryptosystem method and apparatus
06/09/1999EP0722642A4 Multistream encryption system for secure communication
06/09/1999CN1218928A Data control system
06/08/1999US5910989 Method for the generation of electronic signatures, in particular for smart cards
06/08/1999US5910988 Remote image capture with centralized processing and storage
06/08/1999US5910987 Systems and methods for secure transaction management and electronic rights protection
06/08/1999US5910907 Shift register based pseudorandom number generator
06/03/1999WO1999027678A2 Security of data connections
06/03/1999WO1999027677A1 Session key recovery system and method
06/03/1999WO1999027676A2 Methods and apparatus for the secure identification and validation of things and events
06/03/1999WO1999027654A2 Method and system for securely transferring a data set in a data communications system
06/03/1999WO1999027504A1 Method for managing data in a smart card
06/03/1999WO1999014888A3 Security method for transmissions in telecommunication networks
06/03/1999WO1998052162A3 Secure multiple application card system and process
06/03/1999CA2310329A1 Security of data connections
06/03/1999CA2310122A1 Method for managing data in a smart card
06/03/1999CA2308474A1 Methods and apparatus for the secure identification and validation of things and events
06/02/1999EP0920208A1 Method and apparatus for gathering program watched data
06/02/1999EP0920207A1 Interactive terminal for television delivery system
06/02/1999EP0920206A1 Advanced set top terminal with electronic mailbox for cable television delivery systems
06/01/1999US5909494 System and method for constructing a cryptographic pseudo random bit generator
06/01/1999US5909491 Method for sending a secure message in a telecommunications system
06/01/1999US5908469 Generic user authentication for network computers
06/01/1999CA2139530C Vehicle remote keyless entry system with rolling code encryption
06/01/1999CA2095087C Computer system security method and apparatus having program authorization information data structures
05/1999
05/27/1999WO1999026373A1 Method for using fingerprints to distribute information over a network
05/27/1999WO1999026372A1 Cryptographic key generation using biometric data
05/27/1999WO1999026188A1 A remotely accessible private space using a fingerprint
05/27/1999WO1999026182A2 Electric data authentication system
05/27/1999WO1999009743A3 Conditional access system
05/27/1999WO1998052161A3 Key transformation unit for an ic card
05/27/1999WO1998045981A3 Cryptographic system and protocol for establishing secure authenticated remote access
05/26/1999EP0918275A2 A method of securing software configuration parameters with digital signatures
05/26/1999EP0918274A2 System and method for securing and validating data using signatures, encryption, and feedback
05/26/1999EP0917781A1 Simultaneous electronic transactions with visible trusted parties
05/26/1999EP0917773A2 Method and apparatus for enabling mobile-to-mobile calls in a communication system
05/26/1999EP0706735B1 Method for cryptographic authentication of transmitted messages using pseudorandom numbers
05/26/1999CN1217834A Circuit arrangement for generating random bit sequences
05/25/1999US5907620 Method and apparatus for enforcing the use of cryptography in an international cryptography framework
05/25/1999US5907619 System for verifying the authenticity of a compressed digital image
05/25/1999US5907618 Method and apparatus for verifiably providing key recovery information in a cryptographic system
05/20/1999WO1999025094A1 Method and device for the protected storage of data from message traffic
05/20/1999WO1999025093A2 Secure handshake protocol
05/20/1999WO1999025092A1 Masked digital signatures
05/20/1999WO1999025091A1 Apparatus, and associated method, for generating a pseudo-random number
05/20/1999WO1999025090A1 Method for identifying proprietary data of traitors
05/20/1999WO1999025086A2 Generation of a seed number
1 ... 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 ... 1120