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Upgrade to work with latest ark-ff (#95)

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Co-authored-by: Sun <huachuang20@gmail.com>
This commit is contained in:
Pratyush Mishra
2022-03-07 13:12:03 -08:00
committed by GitHub
parent d0dc200f22
commit 1551d6d76c
231 changed files with 2830 additions and 4343 deletions
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106
bn254/src/fields/fq.rs
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@@ -1,100 +1,10 @@
use ark_ff::{
biginteger::{BigInt, BigInteger256 as BigInteger},
field_new,
fields::*,
};
use ark_ff::fields::{Fp256, MontBackend, MontConfig, MontFp};
pub type Fq = Fp256<FqParameters>;
#[derive(MontConfig)]
#[modulus = "21888242871839275222246405745257275088696311157297823662689037894645226208583"]
#[generator = "3"]
pub struct FqConfig;
pub type Fq = Fp256<MontBackend<FqConfig, 4>>;
pub struct FqParameters;
impl Fp256Parameters for FqParameters {}
impl FftParameters for FqParameters {
type BigInt = BigInteger;
const TWO_ADICITY: u32 = 1;
#[rustfmt::skip]
const TWO_ADIC_ROOT_OF_UNITY: BigInteger = BigInt::new([
0x68c3488912edefaa,
0x8d087f6872aabf4f,
0x51e1a24709081231,
0x2259d6b14729c0fa,
]);
}
impl FpParameters for FqParameters {
/// MODULUS = 21888242871839275222246405745257275088696311157297823662689037894645226208583
#[rustfmt::skip]
const MODULUS: BigInteger = BigInt::new([
0x3c208c16d87cfd47,
0x97816a916871ca8d,
0xb85045b68181585d,
0x30644e72e131a029,
]);
const MODULUS_BITS: u32 = 254;
const CAPACITY: u32 = Self::MODULUS_BITS - 1;
const REPR_SHAVE_BITS: u32 = 2;
#[rustfmt::skip]
const R: BigInteger = BigInt::new([
0xd35d438dc58f0d9d,
0x0a78eb28f5c70b3d,
0x666ea36f7879462c,
0xe0a77c19a07df2f,
]);
#[rustfmt::skip]
const R2: BigInteger = BigInt::new([
0xf32cfc5b538afa89,
0xb5e71911d44501fb,
0x47ab1eff0a417ff6,
0x6d89f71cab8351f,
]);
const INV: u64 = 9786893198990664585u64;
// GENERATOR = 3
#[rustfmt::skip]
const GENERATOR: BigInteger = BigInt::new([
0x7a17caa950ad28d7,
0x1f6ac17ae15521b9,
0x334bea4e696bd284,
0x2a1f6744ce179d8e,
]);
#[rustfmt::skip]
const MODULUS_MINUS_ONE_DIV_TWO: BigInteger = BigInt::new([
0x9e10460b6c3e7ea3,
0xcbc0b548b438e546,
0xdc2822db40c0ac2e,
0x183227397098d014,
]);
// T and T_MINUS_ONE_DIV_TWO, where MODULUS - 1 = 2^S * T
// T = (MODULUS - 1) // 2^S =
// 10944121435919637611123202872628637544348155578648911831344518947322613104291
#[rustfmt::skip]
const T: BigInteger = BigInt::new([
0x9e10460b6c3e7ea3,
0xcbc0b548b438e546,
0xdc2822db40c0ac2e,
0x183227397098d014,
]);
// (T - 1) // 2 =
// 5472060717959818805561601436314318772174077789324455915672259473661306552145
#[rustfmt::skip]
const T_MINUS_ONE_DIV_TWO: BigInteger = BigInt::new([
0x4f082305b61f3f51,
0x65e05aa45a1c72a3,
0x6e14116da0605617,
0xc19139cb84c680a,
]);
}
pub const FQ_ONE: Fq = field_new!(Fq, "1");
pub const FQ_ZERO: Fq = field_new!(Fq, "0");
pub const FQ_ONE: Fq = MontFp!(Fq, "1");
pub const FQ_ZERO: Fq = MontFp!(Fq, "0");