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Protecting cryptographic code against Spectre-RSB
July 2, 2024, 9:48 a.m. |
IACR News www.iacr.org
ePrint Report: Protecting cryptographic code against Spectre-RSB
Santiago Arranz Olmos, Gilles Barthe, Chitchanok Chuengsatiansup, Benjamin Grégoire, Vincent Laporte, Tiago Oliveira, Peter Schwabe, Yuval Yarom, Zhiyuan Zhang
It is fundamental that executing cryptographic software must not leak secrets through side-channels. For software-visible side-channels, it was long believed that "constant-time" programming would be sufficient as a systematic countermeasure. However, this belief was shattered in 2018 by attacks exploiting speculative execution—so called Spectre attacks.
Recent work shows that language support suffices …
code cryptographic eprint report leak peter programming protecting report secrets software spectre visible
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