SHE Secure Hardware Extension - ESCRYPT
SHE Secure Hardware Extension - ESCRYPT
SHE Secure Hardware Extension - ESCRYPT
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<strong>SHE</strong> – Perspective from Specification (4)<br />
� RAM carries<br />
� RAM_KEY<br />
• Temporary key<br />
used for arbitrary<br />
operations<br />
� PRNG_KEY<br />
• Key used by the<br />
Pseudo Random<br />
Number Generator<br />
� PRNG_STATE<br />
• Keeps status of<br />
Pseudo Random<br />
Number Generator<br />
INTERNAL USE ONLY<br />
ROM<br />
17<br />
Crypto-<br />
graphy<br />
NV-Memory<br />
Copyright 2012 FUJITSU SEMICONDUCTOR EUROPE GMBH
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