arnaucube/ark-r1cs-std
1
0
Fork 0
mirror of https://github.com/arnaucube/ark-r1cs-std.git synced 2026-01-23 12:13:48 +01:00
Code Issues Packages Projects Releases Wiki Activity

Adds Bowe-Hopwood hash

Browse Source
This commit is contained in:
Kobi Gurkan
2019-11-17 12:59:33 +02:00
committed by Pratyush Mishra
parent 19856bd9b6
commit 581f3df55f
30 changed files with 1390 additions and 196 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
r1cs-std/src/bits/uint8.rs
View File

@@ -1,11 +1,8 @@
use algebra::{ToConstraintField, FpParameters, Field, PrimeField};
use algebra::{Field, FpParameters, PrimeField, ToConstraintField};
use r1cs_core::{ConstraintSystem, SynthesisError};
use crate::boolean::AllocatedBit;
use crate::fields::fp::FpGadget;
use crate::prelude::*;
use crate::Assignment;
use crate::{boolean::AllocatedBit, fields::fp::FpGadget, prelude::*, Assignment};
use std::borrow::Borrow;
/// Represents an interpretation of 8 `Boolean` objects as an
@@ -53,7 +50,10 @@ impl UInt8 {
}
}
pub fn alloc_vec<ConstraintF, CS, T>(mut cs: CS, values: &[T]) -> Result<Vec<Self>, SynthesisError>
pub fn alloc_vec<ConstraintF, CS, T>(
mut cs: CS,
values: &[T],
) -> Result<Vec<Self>, SynthesisError>
where
ConstraintF: Field,
CS: ConstraintSystem<ConstraintF>,
@@ -69,15 +69,20 @@ impl UInt8 {
}
/// Allocates a vector of `u8`'s by first converting (chunks of) them to
/// `ConstraintF` elements, (thus reducing the number of input allocations), and
/// then converts this list of `ConstraintF` gadgets back into bytes.
pub fn alloc_input_vec<ConstraintF, CS>(mut cs: CS, values: &[u8]) -> Result<Vec<Self>, SynthesisError>
/// `ConstraintF` elements, (thus reducing the number of input allocations),
/// and then converts this list of `ConstraintF` gadgets back into
/// bytes.
pub fn alloc_input_vec<ConstraintF, CS>(
mut cs: CS,
values: &[u8],
) -> Result<Vec<Self>, SynthesisError>
where
ConstraintF: PrimeField,
CS: ConstraintSystem<ConstraintF>,
{
let values_len = values.len();
let field_elements: Vec<ConstraintF> = ToConstraintField::<ConstraintF>::to_field_elements(values).unwrap();
let field_elements: Vec<ConstraintF> =
ToConstraintField::<ConstraintF>::to_field_elements(values).unwrap();
let max_size = 8 * (ConstraintF::Params::CAPACITY / 8) as usize;
let mut allocated_bits = Vec::new();
@@ -294,9 +299,9 @@ mod test {
use super::UInt8;
use crate::{prelude::*, test_constraint_system::TestConstraintSystem};
use algebra::fields::bls12_381::Fr;
use r1cs_core::ConstraintSystem;
use rand::{Rng, SeedableRng};
use rand_xorshift::XorShiftRng;
use r1cs_core::ConstraintSystem;
#[test]
fn test_uint8_from_bits_to_bits() {