logos-storage/plonky2
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This commit is contained in:
wborgeaud 2021-11-05 11:40:38 +01:00
parent fb18232efd
commit 943e1f4b0f
2 changed files with 2 additions and 8 deletions
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7
src/hash/hashing.rs
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@ -13,13 +13,6 @@ pub(crate) const SPONGE_RATE: usize = 8;
pub(crate) const SPONGE_CAPACITY: usize = 4;
pub const SPONGE_WIDTH: usize = SPONGE_RATE + SPONGE_CAPACITY;
// pub(crate) const HASH_FAMILY: HashFamily = HashFamily::Poseidon;
//
// pub(crate) enum HashFamily {
// GMiMC,
// Poseidon,
// }
/// Hash the vector if necessary to reduce its length to ~256 bits. If it already fits, this is a
/// no-op.
pub fn hash_or_noop<F: RichField, P: PlonkyPermutation<F>>(inputs: Vec<F>) -> HashOut<F> {

3
src/hash/poseidon.rs
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@ -10,6 +10,7 @@ use crate::field::extension_field::{Extendable, FieldExtension};
use crate::field::field_types::{Field, PrimeField, RichField};
use crate::gates::gate::Gate;
use crate::gates::poseidon_mds::PoseidonMdsGate;
use crate::hash::hashing::SPONGE_WIDTH;
use crate::plonk::circuit_builder::CircuitBuilder;
// The number of full rounds and partial rounds is given by the
@ -144,7 +145,7 @@ pub const ALL_ROUND_CONSTANTS: [u64; MAX_WIDTH * N_ROUNDS] = [
0x4543d9df72c4831d, 0xf172d73e69f20739, 0xdfd1c4ff1eb3d868, 0xbc8dfb62d26376f7,
];
const WIDTH: usize = 12;
const WIDTH: usize = SPONGE_WIDTH;
pub trait Poseidon: PrimeField {
// Total number of round constants required: width of the input
// times number of rounds.