| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 04/05/2000 | CN1249584A System for broadcasting data signal by encryption mode |
| 04/05/2000 | CN1249510A Information authentication method, disc playback apparatus and recreation apparatus |
| 04/04/2000 | US6047374 Method and apparatus for embedding authentication information within digital data |
| 04/04/2000 | US6047323 Creation and migration of distributed streams in clusters of networked computers |
| 04/04/2000 | US6047265 Online gift-presentation system including, a server system, terminal equipment, a gift-presenting method, and a computer-readable recording medium |
| 04/04/2000 | US6047242 Computer system for protecting software and a method for protecting software |
| 04/04/2000 | US6047072 Method for secure key distribution over a nonsecure communications network |
| 04/04/2000 | US6047069 Method and apparatus for preserving error correction capabilities during data encryption/decryption |
| 04/04/2000 | US6047068 Method for determining an encryption key associated with an integrated circuit |
| 04/04/2000 | US6047066 Communication method and device |
| 04/04/2000 | CA2196407C Smart-card based access control system with improved security |
| 03/30/2000 | WO2000018061A1 Method for authenticating at least one subscriber during a data exchange |
| 03/30/2000 | WO2000018060A2 A secure data transfer system |
| 03/30/2000 | WO1999067918A3 Synchronous stream cipher |
| 03/29/2000 | EP0989712A2 Method and apparatus for establishing a secure connection over a one-way data path |
| 03/29/2000 | EP0989710A2 Secure distribution system for digital contents |
| 03/29/2000 | EP0989699A2 Key distribution method with reduced key distribution time |
| 03/29/2000 | EP0989555A1 Method for authenticating information, disk playback apparatus, and entertainment apparatus |
| 03/29/2000 | EP0989497A1 Method and apparatus for protection of recorded digital data |
| 03/29/2000 | EP0989478A1 System for providing encrypted data, system for decrypting encrypted data and method for providing a communication interface in such a decrypting system |
| 03/29/2000 | EP0988754A1 Global conditional access system for broadcast services |
| 03/29/2000 | EP0988748A1 Method for dynamic management of a prepaid terminal subscription |
| 03/29/2000 | EP0988725A1 Data scrambling system and method and communications system incorporating same |
| 03/29/2000 | EP0840966A4 Decryption of retransmitted data in an encrypted communication system |
| 03/29/2000 | EP0839417A4 Decryption of retransmitted data in an encrypted communication system |
| 03/29/2000 | EP0777890A4 Method and apparatus for providing identification |
| 03/29/2000 | CN1249096A Encryption and decryption method and apparatus |
| 03/29/2000 | CN1249095A Apparatus and method for preventing disclosure through user-authentication at a printing node |
| 03/29/2000 | CN1248840A Management method and equipment capable of making IP telephone slitless connection with public telephone exchange network |
| 03/29/2000 | CN1248837A 个人钥加密方法 Personal key encryption method |
| 03/28/2000 | US6044488 Process for generating a check word for a bit sequence for verifying the integrity and authenticity of the bit sequence |
| 03/28/2000 | US6044469 Software publisher or distributor configurable software security mechanism |
| 03/28/2000 | US6044464 Method of protecting broadcast data by fingerprinting a common decryption function |
| 03/28/2000 | US6044463 Method and system for message delivery utilizing zero knowledge interactive proof protocol |
| 03/28/2000 | US6044462 Method and apparatus for managing key revocation |
| 03/28/2000 | US6044388 Pseudorandom number generator |
| 03/28/2000 | US6044350 Certificate meter with selectable indemnification provisions |
| 03/28/2000 | US6043752 Integrated remote keyless entry and ignition disabling system for vehicles, using updated and interdependent cryptographic codes for security |
| 03/23/2000 | WO2000016557A1 Conditional access system decoder and entitlement management method in same |
| 03/23/2000 | WO2000016555A1 Data transmitting/receiving method and its receiver |
| 03/23/2000 | WO2000016272A1 Access-protected data carrier |
| 03/23/2000 | WO2000016232A1 Techniques for trading commodities on a private trading system and not regulated by the government |
| 03/23/2000 | WO2000016190A1 Apparatus and methods for unlocking password protected software systems to recover master password |
| 03/23/2000 | WO2000005696A3 Passive access system for vehicles |
| 03/23/2000 | WO1999067919A3 Improved des and other cryptographic processes with leak minimization for smartcards and other cryptosystems |
| 03/23/2000 | CA2344448A1 Apparatus and methods for unlocking password protected software systems to recover master password |
| 03/23/2000 | CA2343901A1 Techniques for trading commodities on a private trading system and not regulated by the government |
| 03/22/2000 | EP0986910A1 Conditional access system for set-top boxes |
| 03/22/2000 | EP0986873A1 Improved method and apparatus for protecting public key schemes from timing and fault attacks |
| 03/22/2000 | EP0986872A1 Device for carrying out a block cipher method |
| 03/22/2000 | EP0848872B1 Method and device for the sealing of computer data |
| 03/22/2000 | CN1248367A Method for authorization check |
| 03/22/2000 | CN1248366A Cryptographic system comprising ciphering and deiphering system and key escrow system and associated appliances and device |
| 03/22/2000 | CN1248365A Method and apparatus for robust high-speed cryptosystem |
| 03/22/2000 | CN1248358A Compensating for fading in analog AM radio signals |
| 03/22/2000 | CN1248338A 保安系统 Security System |
| 03/22/2000 | CN1248135A Method and device for management service in mobile communication system |
| 03/22/2000 | CN1248114A Remote discriminating system |
| 03/21/2000 | US6041410 Personal identification fob |
| 03/21/2000 | US6041409 Device and method for data integrity and authentication |
| 03/21/2000 | US6041408 Key distribution method and system in secure broadcast communication |
| 03/21/2000 | US6041314 Multiple account portable wireless financial messaging unit |
| 03/21/2000 | US6041123 Centralized secure communications system |
| 03/21/2000 | US6041122 Method and apparatus for hiding crytographic keys utilizing autocorrelation timing encoding and computation |
| 03/21/2000 | US6040851 Small-format subsystem for broadband communication services |
| 03/21/2000 | US6039248 Method for preparing safe electronic notarized documents in electronic commerce |
| 03/16/2000 | WO2000014990A1 Method and apparatus for centralized encryption key calculation |
| 03/16/2000 | WO2000014984A1 Security module, security system and mobile station |
| 03/16/2000 | WO2000014924A1 Elliptic curve cryptosystems for low memory devices |
| 03/16/2000 | WO2000014923A1 Encrypted asynchronous communication |
| 03/16/2000 | WO2000014918A1 System and method for encrypting data messages |
| 03/16/2000 | WO2000014658A1 Cloning protection scheme for a digital information playback device |
| 03/16/2000 | DE19841676A1 Access protected data carrier with semiconductor chip, has operation which is modified prior to its execution, and is supplied with modified input data |
| 03/15/2000 | EP0986209A2 Remote authentication system |
| 03/15/2000 | EP0985790A1 Dynamically controlled electronic lock and control system with such a lock |
| 03/15/2000 | EP0985298A2 Method and apparatus for providing security in a star network connection using public key cryptography |
| 03/15/2000 | EP0985204A1 Ic card transportation key set |
| 03/15/2000 | EP0985203A1 Key transformation unit for an ic card |
| 03/15/2000 | EP0985171A1 Method and apparatus for providing secure time stamps for documents and computer files |
| 03/15/2000 | EP0727117B1 Method for automatic resynchronization of the transmitter/receiver pair in a remote keyless entry system |
| 03/15/2000 | CN1247423A Method for setting up secret key by using radio communication and command agreement and its command agreement |
| 03/14/2000 | US6038666 Remote identity verification technique using a personal identification device |
| 03/14/2000 | US6038665 System and method for backing up computer files over a wide area computer network |
| 03/14/2000 | US6038597 Method and apparatus for providing and accessing data at an internet site |
| 03/14/2000 | US6038322 Group key distribution |
| 03/14/2000 | US6038321 Data transfer method, communication system and storage medium |
| 03/14/2000 | US6038317 Secret key cryptosystem and method utilizing factorizations of permutation groups of arbitrary order 2l |
| 03/14/2000 | US6038316 Method and system for protection of digital information |
| 03/14/2000 | US6038315 Method and system for normalizing biometric variations to authenticate users from a public database and that ensures individual biometric data privacy |
| 03/14/2000 | US6037878 Paging apparatus and paging method by password |
| 03/09/2000 | WO2000013368A1 Method of authenticating or 'digitally signing' digital data objects |
| 03/09/2000 | WO2000013073A1 System for providing encrypted data, system for decrypting encrypted data and method for providing a communication interface in such a decrypting system |
| 03/09/2000 | WO2000012846A1 Security system |
| 03/09/2000 | WO1999066669A3 Block ciphers with integer multiplication, data-dependent and fixed number of rotations in each round |
| 03/09/2000 | DE19936998A1 Method for filing digitally autographed documents onto paper or similar material creates digitally autographed documents able to be reproduced on paper and similar material using standard printer |
| 03/09/2000 | DE19848378A1 Microprocessor-aided portable data medium for exchanging data through a data exchange device runs an RSA encoding algorithm for creating a verifiable digital signature for a message |
| 03/08/2000 | EP0984630A1 Data communication system |
| 03/08/2000 | EP0984629A1 System for broadcasting data signals in a secure manner |
| 03/08/2000 | EP0984590A2 Data bus communication |
| 03/08/2000 | EP0983703A1 Remote clearing of access to telecommunication service |