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Downstream the eVRF libraries from FCMP++

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Also adds no-std support to secq256k1 and embedwards25519.
This commit is contained in:
Luke Parker
2025-01-29 22:29:40 -05:00
parent 19422de231
commit 2bc880e372
35 changed files with 456 additions and 340 deletions
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6
crypto/ciphersuite/src/ed448.rs
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@@ -66,6 +66,12 @@ impl Ciphersuite for Ed448 {
Point::generator()
}
fn reduce_512(mut scalar: [u8; 64]) -> Self::F {
let res = Self::hash_to_F(b"Ciphersuite-reduce_512", &scalar);
scalar.zeroize();
res
}
fn hash_to_F(dst: &[u8], data: &[u8]) -> Self::F {
Scalar::wide_reduce(Self::H::digest([dst, data].concat()).as_ref().try_into().unwrap())
}