Transaction verification protocol for Smart Cards

Details Transaction verification protocol for Smart Cards Transaction verification protocol for Smart Cards

1997-01-30

1999-09-21

Le, Thien Minh

Registers

Systems controlled by data bearing records

Credit or identification card systems

235 23, G06K 0500

Patent

active

059557176

ABSTRACT:
A protocol appropriate for use with smartcard purchase applications such as those that might be completed between a terminal or ATM and a users personal card. The protocol provides a signature scheme which allows the card to authenticate the terminal without unnecessary signature verification which is an computationally intense operation for the smart card. The only signature verification required is that of the terminal identification (as signed by the certifying authority, or CA, which is essential to any such protocol). In the preferred embodiment, the protocol provides the card and terminal from fraudulent attacks from impostor devices, either a card or terminal.

REFERENCES:
patent: 5295188 (1994-03-01), Wilson et al.
patent: 5455407 (1995-10-01), Rosen
patent: 5485519 (1996-01-01), Weiss

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