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 (3)<br />
� Cryptography carries<br />
� Encryption unit<br />
• AES 128-based<br />
Applicable Standard<br />
� Decryption unit<br />
• AES 128-based<br />
� CMAC<br />
• Cipher-based<br />
Message<br />
Authentication<br />
Code generator<br />
INTERNAL USE ONLY<br />
RAM<br />
ROM<br />
� Miyaguchi-Preneel<br />
• One-way compression function; compressed data cannot be recovered<br />
• Input requests 128-bit wide chunks of data stream<br />
• Outputs Hash-values to en-/decoding unit<br />
15<br />
NV-Memory<br />
Copyright 2012 FUJITSU SEMICONDUCTOR EUROPE GMBH
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