| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 02/06/1997 | WO1997004376A1 Secure module with microprocessor and co-processor |
| 02/05/1997 | EP0757459A2 Cryptographic system for wireless communications |
| 02/05/1997 | EP0757338A1 Secure payment system by electronic funds transfer through a bank interconnecting network |
| 02/05/1997 | EP0715789A4 Authenticator card with changing bar code pattern |
| 02/05/1997 | EP0377706B1 System for the secure handling of encryptor keys |
| 02/04/1997 | US5600726 Method for creating specific purpose rule-based n-bit virtual machines |
| 02/04/1997 | US5600725 Digital signature method and key agreement method |
| 02/04/1997 | US5600724 Method for the protection of messages transmitted using public communication lines |
| 02/04/1997 | US5600722 System and scheme of cipher communication |
| 02/04/1997 | US5600721 Apparatus for scrambling a digital video signal |
| 02/04/1997 | US5600720 Encryption apparatus, communication system using the same and method therefor |
| 02/04/1997 | CA2169827C Authenticator card with changing bar code pattern |
| 01/29/1997 | EP0756414A2 Image scanner adapted for direct connection to client/server type network |
| 01/29/1997 | EP0756399A2 Method for cryptographic communication |
| 01/29/1997 | EP0756398A1 System and method for communicating encrypted messages using RSA with modular reduction to provide fast decryption |
| 01/29/1997 | EP0756397A2 System and method for key distribution and authentication between a host and a portable device |
| 01/29/1997 | EP0756388A2 Spread spectrum communication system |
| 01/29/1997 | EP0755598A1 Computer network cryptographic key distribution system |
| 01/29/1997 | CN1141560A De-secrecy device |
| 01/28/1997 | US5598476 Random clock composition-based cryptographic authentication process and locking system |
| 01/28/1997 | US5598475 Rolling code identification scheme for remote control applications |
| 01/28/1997 | US5598473 Digital signature generator/verifier/recorder (DS-GVR) for analog transmissions |
| 01/28/1997 | US5598459 Authentication and handover methods and systems for radio personal communications |
| 01/23/1997 | WO1997002679A1 Restritedly blindable certificates on secret keys |
| 01/22/1997 | EP0755154A2 Method and apparatus for impulse purchasing of packaged information services |
| 01/22/1997 | EP0755136A2 Method and apparatus for implementing traceable electronic cash |
| 01/22/1997 | CA2180197A1 Method and apparatus for impulse purchasing of packaged information services |
| 01/21/1997 | US5596718 Secure computer network using trusted path subsystem which encrypts/decrypts and communicates with user through local workstation user I/O devices without utilizing workstation processor |
| 01/21/1997 | US5596641 Authentication method for mobile communications |
| 01/21/1997 | US5596639 Cd-prom |
| 01/21/1997 | US5596516 Code sequence generator |
| 01/21/1997 | US5596327 Radar encoder |
| 01/20/1997 | CA2181597A1 Method and system for providing secure edi over an open net work |
| 01/16/1997 | WO1997001943A1 Authentication and handover methods and systems for radio personal communications |
| 01/16/1997 | WO1997001902A1 Electronic casino gaming system with improved play capacity, authentication and security |
| 01/16/1997 | WO1997001579A2 Somatostatin peptides |
| 01/16/1997 | WO1996023376A3 Apparatus and method for generating pseudorandom quantities based upon radio channel characteristics |
| 01/15/1997 | EP0753816A1 A method and apparatus for storing sensitive information securely in a relatively insecure storage medium |
| 01/15/1997 | EP0635181B1 Process for detecting unauthorised reinjection of data sent by a transmitter to a receiver |
| 01/14/1997 | US5594797 Variable security level encryption |
| 01/14/1997 | US5594796 Method and apparatus for detecting unauthorized distribution of data |
| 01/14/1997 | US5594795 Method and apparatus for key transforms to discriminate between different networks |
| 01/09/1997 | WO1997001231A1 Method and apparatus for authentication in a communication system |
| 01/09/1997 | CA2198110A1 Method and apparatus for authentication in a communication system |
| 01/08/1997 | EP0752786A1 Apparatus and method for authenticating transmitted applications in an interactive information system |
| 01/08/1997 | EP0752772A2 Cryptographic system for wireless communications |
| 01/08/1997 | EP0752771A1 Method for processing a digital signal such that the output digital signal can not be derived from the input signal, and use of the method for access control and/or digital signatures |
| 01/08/1997 | EP0752770A2 Cryptographic apparatus with double feedforward hash function |
| 01/08/1997 | EP0752663A1 Copyright control system |
| 01/08/1997 | EP0752636A2 NIS+ password update protocol |
| 01/08/1997 | EP0752635A1 System and method to transparently integrate private key operations from a smart card with host-based encryption services |
| 01/07/1997 | US5592556 Digital radio with vocoding encrypting codec |
| 01/07/1997 | US5592555 Wireless communications privacy method and system |
| 01/07/1997 | US5592554 Method for data security in a digital telecommunication system |
| 01/07/1997 | US5592553 Authentication system using one-time passwords |
| 01/07/1997 | US5592552 Broadcast encryption |
| 01/07/1997 | CA2018319C Method of providing mandatory secrecy and integrity file security in a computer system |
| 01/03/1997 | WO1997000471A2 A system for securing the flow of and selectively modifying packets in a computer network |
| 01/02/1997 | EP0751647A2 Method for encrypting information in ATM systems |
| 01/02/1997 | EP0751646A2 Method and apparatus for charging users in a cryptographic communications system |
| 01/02/1997 | EP0751643A1 Method and devices for the transmission of data with transmission error checking |
| 01/02/1997 | EP0751516A2 Recording and reproduction of data and provision and collection of information |
| 01/02/1997 | EP0750821A1 Data decryption apparatus in a subscription television signal receiving system |
| 01/02/1997 | EP0750814A1 Method and apparatus for utilizing a token for resource access |
| 01/02/1997 | EP0750813A1 Data decryption apparatus in a subscription television signal receiving system |
| 01/02/1997 | EP0750812A1 Methods and apparatus for interfacing an encryption module with a personal computer |
| 01/02/1997 | DE19523654A1 Fraud-proof equipment identification method |
| 12/31/1996 | US5590200 Apparatus and method for securing communication systems |
| 12/31/1996 | US5590199 Electronic information network user authentication and authorization system |
| 12/31/1996 | US5590197 Electronic payment system and method |
| 12/31/1996 | US5590195 Information dissemination using various transmission modes |
| 12/27/1996 | WO1996042181A1 Process and device for authenticating subscribers to digital exchanges |
| 12/27/1996 | WO1996042155A1 Method of encrypting data packets and detecting decryption errors |
| 12/27/1996 | WO1996042154A1 Secure communication system with cross-linked cryptographic codes |
| 12/27/1996 | WO1996042151A2 Steganographic method and device |
| 12/27/1996 | WO1996042041A2 Internet server access control and monitoring systems |
| 12/27/1996 | WO1996034473A3 A multi-purpose high speed cryptographically secure sequence generator based on zeta one-way functions |
| 12/27/1996 | EP0750410A2 Method and system for generation and management of secret key of public cryptosystem |
| 12/27/1996 | EP0750316A2 Feedback and shift unit |
| 12/27/1996 | EP0750086A1 Authentication system |
| 12/27/1996 | CA2221506A1 Internet server access control and monitoring system |
| 12/25/1996 | CN1138927A Cryptographic system and method with key escrow feature |
| 12/24/1996 | US5588061 System and method for identity verification, forming joint signatures and session key agreement in an RSA public cryptosystem |
| 12/24/1996 | US5588060 Method and apparatus for a key-management scheme for internet protocols |
| 12/24/1996 | US5588059 Computer system and method for secure remote communication sessions |
| 12/24/1996 | US5587809 System and a process for transmission of secure faxes |
| 12/19/1996 | WO1996041468A1 Method and apparatus for copy protection for various recording media using a video finger print |
| 12/19/1996 | WO1996041448A1 Handheld remote computer control and methods for secured interactive real-time telecommunications |
| 12/19/1996 | WO1996041447A1 Low power telecommunication controller for a host computer server |
| 12/19/1996 | WO1996041446A1 System for detecting unauthorized account access |
| 12/19/1996 | WO1996041445A1 System and method for access control for data storage media |
| 12/19/1996 | DE19521484A1 Verfahren und Vorrichtung zur Authentisierung von Teilnehmern gegenüber digitalen Vermittlungsstellen Method and apparatus for authenticating subscribers compared to digital exchanges |
| 12/19/1996 | CA2223565A1 System and method for access control for data storage media |
| 12/17/1996 | USRE35403 Encryption printed circuit board |
| 12/17/1996 | US5586186 Method and system for controlling unauthorized access to information distributed to users |
| 12/17/1996 | US5586185 Communications system capable of communicating encrypted information |
| 12/12/1996 | WO1996039779A2 Control message transmission in telecommunications systems |
| 12/12/1996 | WO1996039765A1 Multi-step digital signature method and system |
| 12/12/1996 | DE19521264A1 Device for producing coded signature or caption for pictures |
| 12/12/1996 | CA2223305A1 Multi-step digital signature method and system |