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Migrate pairing to rand 0.5

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This commit is contained in:
Jack Grigg
2019-07-10 18:36:40 -04:00
parent ce6e2a5825
commit a7e22b3550
12 changed files with 325 additions and 202 deletions
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46
pairing/src/bls12_381/fq6.rs
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@@ -1,7 +1,7 @@
use super::fq::{FROBENIUS_COEFF_FQ6_C1, FROBENIUS_COEFF_FQ6_C2};
use super::fq2::Fq2;
use ff::Field;
use rand::{Rand, Rng};
use rand_core::RngCore;
/// An element of Fq6, represented by c0 + c1 * v + c2 * v^(2).
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
@@ -17,15 +17,6 @@ impl ::std::fmt::Display for Fq6 {
}
}
impl Rand for Fq6 {
fn rand<R: Rng>(rng: &mut R) -> Self {
Fq6 {
c0: rng.gen(),
c1: rng.gen(),
c2: rng.gen(),
}
}
}
impl Fq6 {
/// Multiply by quadratic nonresidue v.
@@ -110,6 +101,14 @@ impl Fq6 {
}
impl Field for Fq6 {
fn random<R: RngCore>(rng: &mut R) -> Self {
Fq6 {
c0: Fq2::random(rng),
c1: Fq2::random(rng),
c2: Fq2::random(rng),
}
}
fn zero() -> Self {
Fq6 {
c0: Fq2::zero(),
@@ -306,7 +305,10 @@ use rand::{SeedableRng, XorShiftRng};
#[test]
fn test_fq6_mul_nonresidue() {
let mut rng = XorShiftRng::from_seed([0x5dbe6259, 0x8d313d76, 0x3237db17, 0xe5bc0654]);
let mut rng = XorShiftRng::from_seed([
0x59, 0x62, 0xbe, 0x5d, 0x76, 0x3d, 0x31, 0x8d, 0x17, 0xdb, 0x37, 0x32, 0x54, 0x06, 0xbc,
0xe5,
]);
let nqr = Fq6 {
c0: Fq2::zero(),
@@ -315,7 +317,7 @@ fn test_fq6_mul_nonresidue() {
};
for _ in 0..1000 {
let mut a = Fq6::rand(&mut rng);
let mut a = Fq6::random(&mut rng);
let mut b = a;
a.mul_by_nonresidue();
b.mul_assign(&nqr);
@@ -326,11 +328,14 @@ fn test_fq6_mul_nonresidue() {
#[test]
fn test_fq6_mul_by_1() {
let mut rng = XorShiftRng::from_seed([0x5dbe6259, 0x8d313d76, 0x3237db17, 0xe5bc0654]);
let mut rng = XorShiftRng::from_seed([
0x59, 0x62, 0xbe, 0x5d, 0x76, 0x3d, 0x31, 0x8d, 0x17, 0xdb, 0x37, 0x32, 0x54, 0x06, 0xbc,
0xe5,
]);
for _ in 0..1000 {
let c1 = Fq2::rand(&mut rng);
let mut a = Fq6::rand(&mut rng);
let c1 = Fq2::random(&mut rng);
let mut a = Fq6::random(&mut rng);
let mut b = a;
a.mul_by_1(&c1);
@@ -346,12 +351,15 @@ fn test_fq6_mul_by_1() {
#[test]
fn test_fq6_mul_by_01() {
let mut rng = XorShiftRng::from_seed([0x5dbe6259, 0x8d313d76, 0x3237db17, 0xe5bc0654]);
let mut rng = XorShiftRng::from_seed([
0x59, 0x62, 0xbe, 0x5d, 0x76, 0x3d, 0x31, 0x8d, 0x17, 0xdb, 0x37, 0x32, 0x54, 0x06, 0xbc,
0xe5,
]);
for _ in 0..1000 {
let c0 = Fq2::rand(&mut rng);
let c1 = Fq2::rand(&mut rng);
let mut a = Fq6::rand(&mut rng);
let c0 = Fq2::random(&mut rng);
let c1 = Fq2::random(&mut rng);
let mut a = Fq6::random(&mut rng);
let mut b = a;
a.mul_by_01(&c0, &c1);