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Fix nits

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This commit is contained in:
wborgeaud 2021-12-16 15:58:38 +01:00
parent 7a2afb5119
commit 23a902e1e0
1 changed files with 4 additions and 3 deletions
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7
src/plonk/config.rs
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@ -156,7 +156,7 @@ impl<F: RichField> AlgebraicHasher<F> for PoseidonHash {
// }
// }
/// Keccak hash function.
/// Keccak-256 hash function.
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct KeccakHash<const N: usize>;
impl<F: RichField, const N: usize> Hasher<F> for KeccakHash<N> {
@ -167,7 +167,8 @@ impl<F: RichField, const N: usize> Hasher<F> for KeccakHash<N> {
let mut buffer = Buffer::new(Vec::new());
buffer.write_field_vec(&input).unwrap();
let mut arr = [0; N];
arr.copy_from_slice(&keccak(buffer.bytes()).0[..N]);
let hash_bytes = keccak(buffer.bytes()).0;
arr.copy_from_slice(&hash_bytes[..N]);
BytesHash(arr)
}
@ -187,7 +188,7 @@ pub trait GenericConfig<const D: usize>:
{
/// Main field.
type F: RichField + Extendable<D, Extension = Self::FE>;
/// Field extension of degree 4 of the main field.
/// Field extension of degree D of the main field.
type FE: FieldExtension<D, BaseField = Self::F>;
/// Hash function used for building Merkle trees.
type Hasher: Hasher<Self::F>;