Secure module with microprocessor and co-processor

Details Secure module with microprocessor and co-processor Secure module with microprocessor and co-processor

1996-07-19

1998-11-03

Beausoliel, Jr., Robert W.

G06F 1214

Patent

active

058322078

ABSTRACT:
An electronic module having at least a microprocessor and co-processor on a single integrated circuit. The electronic module can be contained in a small housing. The electronic module provides secure bidirectional data communication via a data bus. The electronic module may include integrated circuit comprising a microprocessor, and a co-processor adapted to handle 1,024-bit modulo mathematics primarily aimed at RSA calculations. The electronic module is preferably contained in a small token sized metallic container and will preferably communicate via a single wire data bus which uses a one-wire protocol.

REFERENCES:
patent: 4145760 (1979-03-01), Ward et al.
patent: 4747139 (1988-05-01), Taaffe
patent: 4996411 (1991-02-01), Rebjock
patent: 5045675 (1991-09-01), Curry
patent: 5297099 (1994-03-01), Bolan et al.
Dallas Semiconductor Corporation, Data Book .mu. Soft Microcontroller, Jun. 10, 1993, pp. 1-8, 70-82, 29-30, 234, 290-292, 296-299.
Dallas Semiconductor Corporation, Data Book .mu. Soft Microcontroller, Jun. 10, 1993 (Note: entire book considered).

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