Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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06/19/2001 | US6249873 Method of and apparatus for providing secure distributed directory services and public key infrastructure |
06/19/2001 | US6249871 System and method for using a second resource to store a data element from a first resource in a first-in last-out stack |
06/19/2001 | US6249867 Method for transferring sensitive information using initially unsecured communication |
06/19/2001 | US6249585 Publicly verifiable key recovery |
06/19/2001 | US6249582 Apparatus for and method of overhead reduction in a block cipher |
06/19/2001 | CA2224661C Use of an encryption server for encrypting messages |
06/14/2001 | WO2001043471A1 Method for encrypting data and a telecommunications terminal and access authorization card |
06/14/2001 | WO2001043367A1 Method and apparatus for implementing leaf node proxy in a network |
06/14/2001 | WO2001043344A1 System and method for generating and managing attribute certificates |
06/14/2001 | WO2001043341A2 Systems and methods for certifying public keys in digital signatures and key-agreements with membership authentication |
06/14/2001 | WO2001043340A1 One's complement cryptographic combiner |
06/14/2001 | WO2001043339A1 Device for reproducing data |
06/14/2001 | WO2001043338A1 Method and apparatus for secure e-commerce transactions |
06/14/2001 | WO2001043335A2 Synchronization of session keys |
06/14/2001 | WO2001043129A1 Computer-readable medium with microprocessor to control reading and computer arranged to communicate with such a medium |
06/14/2001 | WO2001043108A1 Key control system and key control method |
06/14/2001 | WO2001022873A8 Sensor with digital signature of data relating to sensor |
06/14/2001 | WO1998047260A9 Publicly verifiable key recovery |
06/14/2001 | US20010003540 Electronic security component |
06/14/2001 | CA2394435A1 One's complement cryptographic combiner |
06/14/2001 | CA2393645A1 Computer-readable medium with microprocessor to control reading and computer arranged to communicate with such a medium |
06/13/2001 | EP1107506A2 Method and system for generating messages including a verifiable assertion that a variable is within predetermined limits |
06/13/2001 | EP1107505A2 Polymorphous encryption system |
06/13/2001 | EP1107504A2 Method of updating encryption keys in a data communication system |
06/13/2001 | EP1107503A1 Electronic security component |
06/13/2001 | EP1107502A2 System and method for preventing differential power analysis attacks (DPA) on a cryptographic device |
06/13/2001 | EP1106000A1 Secure processing for authentication of a wireless communications device |
06/13/2001 | EP1105998A1 Method and device for creating a secret communication key for a predetermined asymmetric and cryptographic key-pair |
06/13/2001 | EP1105996A1 System and method for enabling secure access to services in a computer network |
06/13/2001 | EP1105994A1 Time-stamping with binary linking schemes |
06/13/2001 | EP1105785A1 Improvements in and relating to access control |
06/13/2001 | EP1105784A1 Improvements in and relating to data communication |
06/13/2001 | EP1105783A1 Improvements in and relating to data processing apparatus and verification methods |
06/13/2001 | EP0885504B1 Data transmission network billing method |
06/13/2001 | EP0818007A4 Method and means for interconnecting different security level networks |
06/13/2001 | EP0671091A4 Method for key management of point-to-point communications |
06/13/2001 | DE10017424A1 Verfahren zur Verschlüsselung von Daten und Telekommunikationsendgerät und Zugangsberechtigungskarte Method for encrypting data and telecommunications terminal equipment and access card |
06/13/2001 | CN1299548A Method of transmitting information data from a sender to a receiver via a transcoder |
06/13/2001 | CN1299545A User authentication using a virtual private key |
06/13/2001 | CN1299544A Method of establishing the trustorthiness level of a participant in a communication connection |
06/13/2001 | CN1299543A pseudo-random squence generator and associated method |
06/13/2001 | CN1299497A Method for authenticating a chip card in a message transmission network |
06/13/2001 | CN1299201A Encryption/decryption system for information security |
06/12/2001 | US6247133 Method for authenticating electronic documents on a computer network |
06/12/2001 | US6246775 Method and appartus for superposing a digital watermark and method and apparatus for detecting a digital watermark |
06/12/2001 | US6246771 Session key recovery system and method |
06/12/2001 | US6246770 Method and apparatus for feature configuration in remotely located ultrasound imaging system |
06/12/2001 | US6246768 Data encryption system for encrypting plaintext data |
06/12/2001 | CA2262549C Accelerating public-key cryptography by precomputing randomly generated pairs |
06/12/2001 | CA2083070C Non-contact tamper sensing by electronic means |
06/12/2001 | CA2054037C Cryptographic system allowing encrypted communication between users with a secure mutual cipher key determined without user interaction |
06/09/2001 | CA2327974A1 System and method for preventing differential power analysis attacks (dpa) on a cryptographic device |
06/07/2001 | WO2001041442A1 Apparatus and method for encoding and storage of digital image and audio signals |
06/07/2001 | WO2001041360A2 System and method for electronic storage and retrieval of authenticated original documents |
06/07/2001 | WO2001041358A2 Synchronization of authentication ciphering offset |
06/07/2001 | WO2001041357A1 Encryption of partitioned data blocks utilizing public key methods and random numbers |
06/07/2001 | WO2001041356A1 Memory card and data distribution system using it |
06/07/2001 | WO2001041354A2 Integrating a digital signature service into a database |
06/07/2001 | WO2001041353A2 Method and apparatus for sending encrypted electronic mail through a distribution list exploder |
06/07/2001 | WO2001041104A1 Recorder |
06/07/2001 | WO2001040950A2 Microprocessor arrangement having an encoding function |
06/07/2001 | WO2001040929A1 Method of linking authorized users to a plurality of devices |
06/07/2001 | WO2001040928A1 Radio based proximity token with multiple antennas |
06/07/2001 | WO2001040906A2 Method of determining distance between two electronic devices |
06/07/2001 | WO2001040891A2 Apparatus and method for checking real name on internet |
06/07/2001 | WO2001031470A8 Efficient member authentication and authorization for a tree-based reliable multicast data distribution setup |
06/07/2001 | WO2001011818A3 Method and apparatus for generating a message authentication code |
06/07/2001 | WO2001003398A3 Dynamic connection to multiple origin servers in a transcoding proxy |
06/07/2001 | US20010003175 Apparatus and method for checking real name on internet |
06/07/2001 | US20010002929 Message authentication |
06/07/2001 | CA2395194A1 Apparatus and method for encoding and storage of digital image and audio signals |
06/07/2001 | CA2393131A1 Method of linking authorized users to a plurality of devices |
06/06/2001 | EP1104960A1 Message authentication |
06/06/2001 | EP1104959A2 A cryptographic protocol for secure communications |
06/06/2001 | EP1104613A1 Access control using attributes contained within public key certificates |
06/06/2001 | EP1104607A1 Method and device for authenticating with symmetrical algorithm |
06/06/2001 | EP1104555A2 System for tracking end-user electronic content usage |
06/06/2001 | EP1104554A1 Improvements in and relating to electronic security devices |
06/06/2001 | CN1298620A Authentication method and authentication device for secured communications between an ATM mobile terminal and an ATM access node of a wireless ATM radio communication network |
06/06/2001 | CN1298614A Management of authentication and encryption user information in digital user terminals |
06/06/2001 | CN1298263A Radio network with cipher change program |
06/06/2001 | CN1298229A Identification method for establishing connection between equipments |
06/05/2001 | US6243812 Authentication for secure devices with limited cryptography |
06/05/2001 | US6243811 Method for updating secret shared data in a wireless communication system |
06/05/2001 | US6243470 Method and apparatus for advanced symmetric key block cipher with variable length key and block |
06/05/2001 | US6243469 Information transmission method and apparatus |
06/05/2001 | US6243467 Method of elliptic curve cryptographic digital signature generation and verification using reduced base tau expansion in non-adjacent form |
06/05/2001 | US6243466 Auto-escrowable and auto-certifiable cryptosystems with fast key generation |
06/05/2001 | CA2037778C Security enhancement in a data processor through use of dynamic parameter authentication |
06/03/2001 | CA2327531A1 Method of virtual private network communication in security gateway apparatus and security gateway apparatus using the same |
05/31/2001 | WO2001039429A1 Integrity check values (icv) based on pseudorandom binary matrices |
05/31/2001 | WO2001039417A2 Methods and apparatus for keystream generation |
05/31/2001 | WO2001039143A1 Method and system for ordering and delivering digital certificates |
05/31/2001 | WO2001039099A1 Information processor and storage medium |
05/31/2001 | WO2001039004A1 Employing synthetic genes in genetic algorithms, information encoding and non-replicative encryption |
05/31/2001 | WO2000042763A3 Method and apparatus for scrambling a high definition television signal |
05/31/2001 | US20010002487 System for supporting secured log-in of multiple users into a plurality of computers using combined presentation of memorized password and transportable passport record |
05/31/2001 | US20010002486 Leak-resistant cryptographic method and apparatus |
05/31/2001 | US20010002485 System and method for electronic transmission, storage, and retrieval of authenticated electronic original documents |
05/31/2001 | US20010002212 Data transmitting apparatus data transmitting method data receiving apparatus data receiving method data transmission apparatus and data transmission method |