Patent ID: 6678821
Filing Date: 2004-01-13
Classification: G06Q,H04L

Abstract:
An encryption/decryption authentication system for encrypting/decrypting data, authenticating data, and/or authenticating a sender, decrypting and/or verifying data or the sender for a recipient, the encryption/decryption/authentication system comprising:(a) at least one key storage medium for storing a plurality of keys, each key being useable by an associated user in a public key infrastructure to encrypt and decrypt data; and (b) a computer accessible to the associated, linked to the at least one key storage medium, and further linked to an encryption/decryption/authentication facility within a browser, wherein the encryption/decryption/authentication facility is adapted within browser to: (i) authenticate user identification data of the associated user thereby enabling access to a private in the plurality of keys usable by the associated user, obtained from the at least one key storage medium; and (ii) encrypt/decrypt data, authenticate data, and/or authenticate sender, decrypt and/or verify the data or the sender for a recipient by accessing the associated private key or public key in the plurality of keys.