Methods and apparatus for interfacing an encryption module with

Details Methods and apparatus for interfacing an encryption module with Methods and apparatus for interfacing an encryption module with

1994-03-18

1996-05-14

Buczinski, Stephen C.

Cryptography

Electric signal modification

Including particular structure or housing

380 23, 380 24, 380 25, H04K 100, H04L 900, H04L 1702

Patent

active

055175694

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.

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patent: 4536647 (1985-08-01), Atalla et al.
patent: 4625276 (1986-11-01), Benton et al.
patent: 4707592 (1987-11-01), Ware
patent: 5220501 (1993-06-01), Lawlor et al.
patent: 5406624 (1995-04-01), Tulpan

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