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Improving smart card security using self-timed circuits

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5 Author(s)
S. Moore ; Comput. Lab., Cambridge Univ., UK ; R. Anderson ; P. Cunningham ; R. Mullins
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We demonstrate how 1-of-n encoded speed-independent circuits provide a good framework for constructing smart card functions that are resistant to side channel attacks and fault injection. A novel alarm propagation technique is also introduced. These techniques have been used to produce a prototype smart card chip: a 16-bit secure processor with Montgomery modular exponentiator and smart card UART.

Published in:

Asynchronous Circuits and Systems, 2002. Proceedings. Eighth International Symposium on

Date of Conference:

8-11 April 2002