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2379855b31
* Add dkg crate * Remove F_len and G_len They're generally no longer used. * Replace hash_to_vec with a provided method around associated type H: Digest Part of trying to minimize this trait so it can be moved elsewhere. Vec, which isn't std, may have been a blocker. * Encrypt secret shares within the FROST library Reduces requirements on callers in order to be correct. * Update usage of Zeroize within FROST * Inline functions in key_gen There was no reason to have them separated as they were. sign probably has the same statement available, yet that isn't the focus right now. * Add a ciphersuite package which provides hash_to_F * Set the Ciphersuite version to something valid * Have ed448 export Scalar/FieldElement/Point at the top level * Move FROST over to Ciphersuite * Correct usage of ff in ciphersuite * Correct documentation handling * Move Schnorr signatures to their own crate * Remove unused feature from schnorr * Fix Schnorr tests * Split DKG into a separate crate * Add serialize to Commitments and SecretShare Helper for buf = vec![]; .write(buf).unwrap(); buf * Move FROST over to the new dkg crate * Update Monero lib to latest FROST * Correct ethereum's usage of features * Add serialize to GeneratorProof * Add serialize helper function to FROST * Rename AddendumSerialize to WriteAddendum * Update processor * Slight fix to processor
45 lines
968 B
Rust
45 lines
968 B
Rust
use group::GroupEncoding;
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use ciphersuite::Ciphersuite;
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use crate::{curve::Curve, algorithm::Hram};
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macro_rules! kp_curve {
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(
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$feature: literal,
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$Curve: ident,
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$Hram: ident,
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$CONTEXT: literal
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) => {
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pub use ciphersuite::$Curve;
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impl Curve for $Curve {
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const CONTEXT: &'static [u8] = $CONTEXT;
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}
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#[derive(Clone)]
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pub struct $Hram;
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impl Hram<$Curve> for $Hram {
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#[allow(non_snake_case)]
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fn hram(
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R: &<$Curve as Ciphersuite>::G,
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A: &<$Curve as Ciphersuite>::G,
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m: &[u8],
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) -> <$Curve as Ciphersuite>::F {
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<$Curve as Curve>::hash_to_F(
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b"chal",
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&[R.to_bytes().as_ref(), A.to_bytes().as_ref(), m].concat(),
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)
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}
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}
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};
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}
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#[cfg(feature = "p256")]
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kp_curve!("p256", P256, IetfP256Hram, b"FROST-P256-SHA256-v11");
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#[cfg(feature = "secp256k1")]
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kp_curve!("secp256k1", Secp256k1, IetfSecp256k1Hram, b"FROST-secp256k1-SHA256-v11");
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