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SCARF: A Low-Latency Block Cipher for Secure Cache-Randomization
Sept. 16, 2022, 1:42 p.m. |
IACR News www.iacr.org
ePrint Report: SCARF: A Low-Latency Block Cipher for Secure Cache-Randomization
Federico Canale, Tim Güneysu, Gregor Leander, Jan Thoma, Yosuke Todo, Rei Ueno
Randomized cache architectures have proven to significantly
increase the complexity of contention-based cache side channel attacks
and therefore pre\-sent an important building block for side channel secure
microarchitectures. By
randomizing the address-to-cache-index mapping, attackers can
no longer trivially construct minimal eviction sets which are
fundamental for contention-based cache attacks. At the same time,
randomized caches maintain the flexibility …
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