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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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94
pallas/src/fields/fq.rs
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@@ -1,89 +1,7 @@
use ark_ff::{
biginteger::{BigInt, BigInteger256 as BigInteger},
fields::{FftParameters, Fp256, Fp256Parameters},
};
pub type Fq = Fp256<FqParameters>;
use ark_ff::fields::{Fp256, MontBackend, MontConfig};
pub struct FqParameters;
impl Fp256Parameters for FqParameters {}
impl FftParameters for FqParameters {
type BigInt = BigInteger;
const TWO_ADICITY: u32 = 32;
// TWO_ADIC_ROOT_OF_UNITY = GENERATOR^T
// Encoded in Montgomery form, so the value here is (5^T)R mod p.
const TWO_ADIC_ROOT_OF_UNITY: BigInteger = BigInt::new([
0xa28db849bad6dbf0,
0x9083cd03d3b539df,
0xfba6b9ca9dc8448e,
0x3ec928747b89c6da,
]);
}
impl ark_ff::fields::FpParameters for FqParameters {
// 28948022309329048855892746252171976963363056481941560715954676764349967630337
const MODULUS: BigInteger = BigInt::new([
0x992d30ed00000001,
0x224698fc094cf91b,
0x0000000000000000,
0x4000000000000000,
]);
// R = 2^256 mod p
const R: BigInteger = BigInt::new([
0x34786d38fffffffd,
0x992c350be41914ad,
0xffffffffffffffff,
0x3fffffffffffffff,
]);
// R2 = (2^256)^2 mod p
const R2: BigInteger = BigInt::new([
0x8c78ecb30000000f,
0xd7d30dbd8b0de0e7,
0x7797a99bc3c95d18,
0x096d41af7b9cb714,
]);
const MODULUS_MINUS_ONE_DIV_TWO: BigInteger = BigInt::new([
0xcc96987680000000,
0x11234c7e04a67c8d,
0x0000000000000000,
0x2000000000000000,
]);
// T and T_MINUS_ONE_DIV_TWO, where MODULUS - 1 = 2^S * T
const T: BigInteger = BigInt::new([
0x094cf91b992d30ed,
0x00000000224698fc,
0x0000000000000000,
0x0000000040000000,
]);
const T_MINUS_ONE_DIV_TWO: BigInteger = BigInt::new([
0x04a67c8dcc969876,
0x0000000011234c7e,
0x0000000000000000,
0x0000000020000000,
]);
// GENERATOR = 5
// Encoded in Montgomery form, so the value here is 5R mod p.
const GENERATOR: BigInteger = BigInt::new([
0xa1a55e68ffffffed,
0x74c2a54b4f4982f3,
0xfffffffffffffffd,
0x3fffffffffffffff,
]);
const MODULUS_BITS: u32 = 255;
const CAPACITY: u32 = Self::MODULUS_BITS - 1;
const REPR_SHAVE_BITS: u32 = 1;
// INV = -p^{-1} (mod 2^64)
const INV: u64 = 11037532056220336127;
}
#[derive(MontConfig)]
#[modulus = "28948022309329048855892746252171976963363056481941560715954676764349967630337"]
#[generator = "5"]
pub struct FqConfig;
pub type Fq = Fp256<MontBackend<FqConfig, 4>>;