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Attacking Hardware AES with DFA

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arxiv 1902.08693 v1 pith:WOKB36Y7 submitted 2019-02-22 cs.CR

classification cs.CR
keywords hardwareattackchallengeskeysacceleratoradaptingaes-256attacking
verification ladder T0 review T1 audit T2 compute T3 formal
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We present the first practical attack on a hardware AES accelerator with 256 bit embedded keys using DFA. We identify the challenges of adapting well-known theoretical AES DFA models to hardware under attack from voltage fault injection and present solutions to those challenges. As a result, we managed to recover 278 real-world AES-256 keys from a secure computing system in a matter of hours with minimal cost.

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Cited by 2 Pith papers

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