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Use a non-constant generator in FROST

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This commit is contained in:
Luke Parker
2022-08-13 05:07:07 -04:00
parent 6f776ff004
commit 885d816309
12 changed files with 29 additions and 24 deletions
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7
crypto/frost/src/tests/vectors.rs
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@@ -32,7 +32,7 @@ fn vectors_to_multisig_keys<C: Curve>(vectors: &Vectors) -> HashMap<u16, FrostKe
.iter()
.map(|secret| C::read_F(&mut Cursor::new(hex::decode(secret).unwrap())).unwrap())
.collect::<Vec<_>>();
let verification_shares = shares.iter().map(|secret| C::GENERATOR * secret).collect::<Vec<_>>();
let verification_shares = shares.iter().map(|secret| C::generator() * secret).collect::<Vec<_>>();
let mut keys = HashMap::new();
for i in 1 ..= u16::try_from(shares.len()).unwrap() {
@@ -71,7 +71,8 @@ pub fn test_with_vectors<R: RngCore + CryptoRng, C: Curve, H: Hram<C>>(
let keys = vectors_to_multisig_keys::<C>(&vectors);
let group_key = C::read_G(&mut Cursor::new(hex::decode(vectors.group_key).unwrap())).unwrap();
assert_eq!(
C::GENERATOR * C::read_F(&mut Cursor::new(hex::decode(vectors.group_secret).unwrap())).unwrap(),
C::generator() *
C::read_F(&mut Cursor::new(hex::decode(vectors.group_secret).unwrap())).unwrap(),
group_key
);
assert_eq!(
@@ -102,7 +103,7 @@ pub fn test_with_vectors<R: RngCore + CryptoRng, C: Curve, H: Hram<C>>(
C::read_F(&mut Cursor::new(hex::decode(vectors.nonces[c][1]).unwrap())).unwrap(),
];
c += 1;
let these_commitments = vec![[C::GENERATOR * nonces[0], C::GENERATOR * nonces[1]]];
let these_commitments = vec![[C::generator() * nonces[0], C::generator() * nonces[1]]];
let machine = machine.unsafe_override_preprocess(PreprocessPackage {
nonces: vec![nonces],
commitments: vec![these_commitments.clone()],