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Migrate group to rand 0.5

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This commit is contained in:
Jack Grigg 2019-07-10 18:35:57 -04:00
parent 7a6642b221
commit ce6e2a5825
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GPG Key ID: 9E8255172BBF9898
4 changed files with 104 additions and 55 deletions
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30
Cargo.lock generated
View File

@ -136,6 +136,14 @@ name = "byteorder"
version = "1.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cloudabi"
version = "0.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "constant_time_eq"
version = "0.1.3"
@ -213,6 +221,11 @@ dependencies = [
"num-traits 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "fuchsia-cprng"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "fuchsia-zircon"
version = "0.3.3"
@ -267,7 +280,7 @@ name = "group"
version = "0.1.0"
dependencies = [
"ff 0.4.0",
"rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@ -424,6 +437,18 @@ dependencies = [
"winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rand"
version = "0.5.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
"fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rand_core"
version = "0.3.1"
@ -603,6 +628,7 @@ dependencies = [
"checksum byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
"checksum byte-tools 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "980479e6fde23246dfb54d47580d66b4e99202e7579c5eaa9fe10ecb5ebd2182"
"checksum byteorder 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "73b5bdfe7ee3ad0b99c9801d58807a9dbc9e09196365b0203853b99889ab3c87"
"checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
"checksum constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8ff012e225ce166d4422e0e78419d901719760f62ae2b7969ca6b564d1b54a9e"
"checksum crossbeam 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "24ce9782d4d5c53674646a6a4c1863a21a8fc0cb649b3c94dfc16e45071dea19"
"checksum crypto_api 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2f855e87e75a4799e18b8529178adcde6fd4f97c1449ff4821e747ff728bb102"
@ -611,6 +637,7 @@ dependencies = [
"checksum digest 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05f47366984d3ad862010e22c7ce81a7dbcaebbdfb37241a620f8b6596ee135c"
"checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
"checksum fpe 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ce3371c82bfbd984f624cab093f55e7336f5a6e589f8518e1258f54f011b89ad"
"checksum fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
"checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
"checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
"checksum futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)" = "1a70b146671de62ec8c8ed572219ca5d594d9b06c0b364d5e67b722fc559b48c"
@ -636,6 +663,7 @@ dependencies = [
"checksum quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "dd636425967c33af890042c483632d33fa7a18f19ad1d7ea72e8998c6ef8dea5"
"checksum rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "15a732abf9d20f0ad8eeb6f909bf6868722d9a06e1e50802b6a70351f40b4eb1"
"checksum rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eba5f8cb59cc50ed56be8880a5c7b496bfd9bd26394e176bc67884094145c2c5"
"checksum rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c618c47cd3ebd209790115ab837de41425723956ad3ce2e6a7f09890947cacb9"
"checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
"checksum rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0e7a549d590831370895ab7ba4ea0c1b6b011d106b5ff2da6eee112615e6dc0"
"checksum redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "c214e91d3ecf43e9a4e41e578973adeb14b474f2bee858742d127af75a0112b1"

2
group/Cargo.toml
View File

@ -14,4 +14,4 @@ repository = "https://github.com/ebfull/group"
[dependencies]
ff = { path = "../ff" }
rand = "0.4"
rand = "0.5"

16
group/src/lib.rs
View File

@ -2,6 +2,7 @@ extern crate ff;
extern crate rand;
use ff::{PrimeField, PrimeFieldDecodingError, ScalarEngine, SqrtField};
use rand::RngCore;
use std::error::Error;
use std::fmt;
@ -13,23 +14,16 @@ pub use self::wnaf::Wnaf;
/// Projective representation of an elliptic curve point guaranteed to be
/// in the correct prime order subgroup.
pub trait CurveProjective:
PartialEq
+ Eq
+ Sized
+ Copy
+ Clone
+ Send
+ Sync
+ fmt::Debug
+ fmt::Display
+ rand::Rand
+ 'static
PartialEq + Eq + Sized + Copy + Clone + Send + Sync + fmt::Debug + fmt::Display + 'static
{
type Engine: ScalarEngine<Fr = Self::Scalar>;
type Scalar: PrimeField + SqrtField;
type Base: SqrtField;
type Affine: CurveAffine<Projective = Self, Scalar = Self::Scalar>;
/// Returns an element chosen uniformly at random using a user-provided RNG.
fn random<R: RngCore>(rng: &mut R) -> Self;
/// Returns the additive identity.
fn zero() -> Self;

111
group/src/tests/mod.rs
View File

@ -1,9 +1,13 @@
use rand::{Rand, Rng, SeedableRng, XorShiftRng};
use ff::{Field, PrimeField};
use rand::{SeedableRng, XorShiftRng};
use {CurveAffine, CurveProjective, EncodedPoint};
pub fn curve_tests<G: CurveProjective>() {
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,
]);
// Negation edge case with zero.
{
@ -21,7 +25,7 @@ pub fn curve_tests<G: CurveProjective>() {
// Addition edge cases with zero
{
let mut r = G::rand(&mut rng);
let mut r = G::random(&mut rng);
let rcopy = r;
r.add_assign(&G::zero());
assert_eq!(r, rcopy);
@ -45,9 +49,10 @@ pub fn curve_tests<G: CurveProjective>() {
// Transformations
{
let a = G::rand(&mut rng);
let a = G::random(&mut rng);
let b = a.into_affine().into_projective();
let c = a.into_affine()
let c = a
.into_affine()
.into_projective()
.into_affine()
.into_projective();
@ -65,11 +70,12 @@ pub fn curve_tests<G: CurveProjective>() {
}
fn random_wnaf_tests<G: CurveProjective>() {
use ff::PrimeField;
use wnaf::*;
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 mut table = vec![];
@ -77,8 +83,8 @@ fn random_wnaf_tests<G: CurveProjective>() {
for w in 2..14 {
for _ in 0..100 {
let g = G::rand(&mut rng);
let s = G::Scalar::rand(&mut rng).into_repr();
let g = G::random(&mut rng);
let s = G::Scalar::random(&mut rng).into_repr();
let mut g1 = g;
g1.mul_assign(s);
@ -95,8 +101,8 @@ fn random_wnaf_tests<G: CurveProjective>() {
fn only_compiles_if_send<S: Send>(_: &S) {}
for _ in 0..100 {
let g = G::rand(&mut rng);
let s = G::Scalar::rand(&mut rng).into_repr();
let g = G::random(&mut rng);
let s = G::Scalar::random(&mut rng).into_repr();
let mut g1 = g;
g1.mul_assign(s);
@ -129,7 +135,8 @@ fn random_wnaf_tests<G: CurveProjective>() {
let mut wnaf = Wnaf::new();
{
// Populate the vectors.
wnaf.base(rng.gen(), 1).scalar(rng.gen());
wnaf.base(G::random(&mut rng), 1)
.scalar(G::Scalar::random(&mut rng).into_repr());
}
wnaf.base(g, 1).scalar(s)
};
@ -137,7 +144,8 @@ fn random_wnaf_tests<G: CurveProjective>() {
let mut wnaf = Wnaf::new();
{
// Populate the vectors.
wnaf.base(rng.gen(), 1).scalar(rng.gen());
wnaf.base(G::random(&mut rng), 1)
.scalar(G::Scalar::random(&mut rng).into_repr());
}
wnaf.scalar(s).base(g)
};
@ -145,7 +153,8 @@ fn random_wnaf_tests<G: CurveProjective>() {
let mut wnaf = Wnaf::new();
{
// Populate the vectors.
wnaf.base(rng.gen(), 1).scalar(rng.gen());
wnaf.base(G::random(&mut rng), 1)
.scalar(G::Scalar::random(&mut rng).into_repr());
}
let mut shared = wnaf.base(g, 1).shared();
@ -157,7 +166,8 @@ fn random_wnaf_tests<G: CurveProjective>() {
let mut wnaf = Wnaf::new();
{
// Populate the vectors.
wnaf.base(rng.gen(), 1).scalar(rng.gen());
wnaf.base(G::random(&mut rng), 1)
.scalar(G::Scalar::random(&mut rng).into_repr());
}
let mut shared = wnaf.scalar(s).shared();
@ -179,14 +189,15 @@ fn random_wnaf_tests<G: CurveProjective>() {
}
fn random_negation_tests<G: CurveProjective>() {
use ff::Field;
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 r = G::rand(&mut rng);
let r = G::random(&mut rng);
let s = G::Scalar::rand(&mut rng);
let s = G::Scalar::random(&mut rng);
let mut sneg = s;
sneg.negate();
@ -210,11 +221,14 @@ fn random_negation_tests<G: CurveProjective>() {
}
fn random_doubling_tests<G: CurveProjective>() {
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 mut a = G::rand(&mut rng);
let mut b = G::rand(&mut rng);
let mut a = G::random(&mut rng);
let mut b = G::random(&mut rng);
// 2(a + b)
let mut tmp1 = a;
@ -237,15 +251,18 @@ fn random_doubling_tests<G: CurveProjective>() {
}
fn random_multiplication_tests<G: CurveProjective>() {
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 mut a = G::rand(&mut rng);
let mut b = G::rand(&mut rng);
let mut a = G::random(&mut rng);
let mut b = G::random(&mut rng);
let a_affine = a.into_affine();
let b_affine = b.into_affine();
let s = G::Scalar::rand(&mut rng);
let s = G::Scalar::random(&mut rng);
// s ( a + b )
let mut tmp1 = a;
@ -269,12 +286,15 @@ fn random_multiplication_tests<G: CurveProjective>() {
}
fn random_addition_tests<G: CurveProjective>() {
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 a = G::rand(&mut rng);
let b = G::rand(&mut rng);
let c = G::rand(&mut rng);
let a = G::random(&mut rng);
let b = G::random(&mut rng);
let c = G::random(&mut rng);
let a_affine = a.into_affine();
let b_affine = b.into_affine();
let c_affine = c.into_affine();
@ -347,10 +367,13 @@ fn random_addition_tests<G: CurveProjective>() {
}
fn random_transformation_tests<G: CurveProjective>() {
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 g = G::rand(&mut rng);
let g = G::random(&mut rng);
let g_affine = g.into_affine();
let g_projective = g_affine.into_projective();
assert_eq!(g, g_projective);
@ -358,24 +381,25 @@ fn random_transformation_tests<G: CurveProjective>() {
// Batch normalization
for _ in 0..10 {
let mut v = (0..1000).map(|_| G::rand(&mut rng)).collect::<Vec<_>>();
let mut v = (0..1000).map(|_| G::random(&mut rng)).collect::<Vec<_>>();
for i in &v {
assert!(!i.is_normalized());
}
use rand::distributions::{IndependentSample, Range};
let between = Range::new(0, 1000);
use rand::distributions::{Distribution, Uniform};
let between = Uniform::new(0, 1000);
// Sprinkle in some normalized points
for _ in 0..5 {
v[between.ind_sample(&mut rng)] = G::zero();
v[between.sample(&mut rng)] = G::zero();
}
for _ in 0..5 {
let s = between.ind_sample(&mut rng);
let s = between.sample(&mut rng);
v[s] = v[s].into_affine().into_projective();
}
let expected_v = v.iter()
let expected_v = v
.iter()
.map(|v| v.into_affine().into_projective())
.collect::<Vec<_>>();
G::batch_normalization(&mut v);
@ -389,7 +413,10 @@ fn random_transformation_tests<G: CurveProjective>() {
}
fn random_encoding_tests<G: CurveAffine>() {
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,
]);
assert_eq!(
G::zero().into_uncompressed().into_affine().unwrap(),
@ -402,7 +429,7 @@ fn random_encoding_tests<G: CurveAffine>() {
);
for _ in 0..1000 {
let mut r = G::Projective::rand(&mut rng).into_affine();
let mut r = G::Projective::random(&mut rng).into_affine();
let uncompressed = r.into_uncompressed();
let de_uncompressed = uncompressed.into_affine().unwrap();