Secure module with microprocessor and co-processor
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United States of America Patent
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Nov 3, 1998
Grant Date -
N/A
app pub date -
Jul 19, 1996
filing date -
Jul 20, 1995
priority date (Note) -
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status (Latency Note)
Importance
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.
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