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Possibilities and Impossibilities for PUF Protocols under PUF Re-Use and PUFs-inside-PUFs Attacks
Physical Unclonable Functions Cryptographic Protocols
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2016/3/23
We continue investigations on the use of so-called Strong PUFs as a cryptographic primitive in realistic attack models. We focus on two scenarios: Firstly, the {\it PUF re-use model}, where PUFs are b...
Avoid Mask Re-use in Masked Galois Multipliers
AES S-box masking DPA
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2009/6/11
This work examines a weakness in re-using masks for masked Galois inversion, specifically in the
masked Galois multipliers. Here we show that the mask re-use scheme included in our work[1] cannot
re...