Methods and apparatus for securely encrypting data in conjunctio

Details Methods and apparatus for securely encrypting data in conjunctio Methods and apparatus for securely encrypting data in conjunctio

1997-03-24

1998-09-29

Tarcza, Thomas H.

Cryptography

Electric signal modification

Including particular structure or housing

380 23, 380 25, 380 49, H04K 100, H04L 1702

Patent

active

058155775

ABSTRACT:
An encryption module for encrypting financial and other sensitive data may be conveniently interposed in series between a personal computer and the keyboard associated therewith. An application program designed to run on the PC is configured to prompt the user to enter his PIN or other confidential data into the encryption module; consequently the confidential data need not be transmitted in an unencrypted fashion, and need not reside on the PC hard drive in an unencrypted form.

REFERENCES:
patent: 4350844 (1982-09-01), Sturzinger et al.
patent: 5228084 (1993-07-01), Johnson et al.
patent: 5499296 (1996-03-01), Micali
patent: 5517569 (1996-05-01), Clark
patent: 5615262 (1997-03-01), Guy et al.

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