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Side Channel Resistant Sphincs+
April 1, 2024, 3:06 a.m. |
IACR News www.iacr.org
ePrint Report: Side Channel Resistant Sphincs+
Scott Fluhrer
Here is a potential way to create a SLH-DSA-like\cite{DraftFIPS205} key generation/signer that aspires to be resistant to DPA side channel attacks.
We say that it is “SLH-DSA-like”, because it does not follow the FIPS 205 method of generating signatures (in particular, it does not have the same mapping from private key, messages, opt\_rand to signatures), however it does generate public keys and signatures that are compatible with the standard signature verification method, …
attacks channel dsa eprint report fips key mapping report signatures
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