Cryptographic token and security system

Details Cryptographic token and security system Cryptographic token and security system

H - Electricity

04

L

H04L 9/32 (2006.01) G06F 1/00 (2006.01) G06F 21/00 (2006.01) H04L 9/10 (2006.01)

Patent

CA 2292063

There is disclosed a secure internet telecommunications system for transmitting, encrypting, receiving, and decrypting data across the Internet. The security system includes an internet security module which is positioned between a first computer and the internet. The internet security module transmits data from the computer through a modem onto the internet. The security module has a cryptographic logic device that encrypts and decrypts data transmitted from the first computer in accordance with known standard encrypting and decrypting protocols. The security module is actuated by the insertion of cryptographic token bearing a user's cryptographic key information. This token is inserted into the security module and must be enabled to make available cryptographic key information to the security module for use in encrypting and decrypting data. The cryptographic token is preferably a card having a tamper proof casing and a contact sensitive liquid crystal display for displaying messages to a user. The token captures and stores a template associated with a user's ideogram signature information which is compared with subsequent inputs of this ideogram signature information from the user to enable the cryptographic token to function with the security module. The cryptographic token has an independent power source permitting the token to be enabled preferably off line from the internet security module. The present invention has advantage in that the cryptographic key information is stored on a token device that must be enabled by a user and temporarily connected with the internet security module to permit the use of the user's cryptographic keys.

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