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Add Ristretto eVRF trait impls

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This commit is contained in:
Luke Parker
2024-07-28 15:33:45 -04:00
parent a6775d7dc5
commit c5cc0dc883
3 changed files with 8 additions and 1 deletions
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1
crypto/dkg/Cargo.toml
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@@ -95,5 +95,6 @@ evrf = [
] ]
evrf-secp256k1 = ["evrf", "ciphersuite/secp256k1", "secq256k1"] evrf-secp256k1 = ["evrf", "ciphersuite/secp256k1", "secq256k1"]
evrf-ed25519 = ["evrf", "ciphersuite/ed25519", "embedwards25519"] evrf-ed25519 = ["evrf", "ciphersuite/ed25519", "embedwards25519"]
evrf-ristretto = ["evrf", "ciphersuite/ristretto", "embedwards25519"]
tests = ["rand_core/getrandom"] tests = ["rand_core/getrandom"]
default = ["std"] default = ["std"]

6
crypto/dkg/src/evrf/proof.rs
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@@ -45,6 +45,12 @@ impl EvrfCurve for ciphersuite::Ed25519 {
type EmbeddedCurveParameters = embedwards25519::Embedwards25519; type EmbeddedCurveParameters = embedwards25519::Embedwards25519;
} }
#[cfg(feature = "evrf-ristretto")]
impl EvrfCurve for ciphersuite::Ristretto {
type EmbeddedCurve = embedwards25519::Embedwards25519;
type EmbeddedCurveParameters = embedwards25519::Embedwards25519;
}
fn sample_point<C: Ciphersuite>(rng: &mut (impl RngCore + CryptoRng)) -> C::G { fn sample_point<C: Ciphersuite>(rng: &mut (impl RngCore + CryptoRng)) -> C::G {
let mut repr = <C::G as GroupEncoding>::Repr::default(); let mut repr = <C::G as GroupEncoding>::Repr::default();
loop { loop {

2
processor/Cargo.toml
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@@ -37,7 +37,7 @@ serde_json = { version = "1", default-features = false, features = ["std"] }
ciphersuite = { path = "../crypto/ciphersuite", default-features = false, features = ["std", "ristretto"] } ciphersuite = { path = "../crypto/ciphersuite", default-features = false, features = ["std", "ristretto"] }
transcript = { package = "flexible-transcript", path = "../crypto/transcript", default-features = false, features = ["std"] } transcript = { package = "flexible-transcript", path = "../crypto/transcript", default-features = false, features = ["std"] }
dkg = { package = "dkg", path = "../crypto/dkg", default-features = false, features = ["std"] } dkg = { package = "dkg", path = "../crypto/dkg", default-features = false, features = ["std", "evrf-ristretto"] }
frost = { package = "modular-frost", path = "../crypto/frost", default-features = false, features = ["ristretto"] } frost = { package = "modular-frost", path = "../crypto/frost", default-features = false, features = ["ristretto"] }
frost-schnorrkel = { path = "../crypto/schnorrkel", default-features = false } frost-schnorrkel = { path = "../crypto/schnorrkel", default-features = false }