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Fix test for pedersen hash chunks per generator.

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This commit is contained in:
Sean Bowe 2018-02-11 12:38:17 -07:00
parent c8cc190781
commit 52829af6d8
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GPG Key ID: 95684257D8F8B031
1 changed files with 10 additions and 4 deletions
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14
src/jubjub/tests.rs
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@ -356,10 +356,16 @@ fn test_jubjub_params<E: JubjubEngine>(params: &E::Params) {
// Check that the number of windows per generator
// in the Pedersen hash does not allow for collisions
let mut cur = E::Fr::one().into_repr();
let mut cur = E::Fs::one().into_repr();
let mut pacc = E::Fr::zero().into_repr();
let mut nacc = E::Fr::char();
let mut max = E::Fs::char();
{
max.sub_noborrow(&E::Fs::one().into_repr());
max.div2();
}
let mut pacc = E::Fs::zero().into_repr();
let mut nacc = E::Fs::char();
for _ in 0..params.pedersen_hash_chunks_per_generator()
{
@ -371,7 +377,7 @@ fn test_jubjub_params<E: JubjubEngine>(params: &E::Params) {
assert_eq!(pacc.add_nocarry(&tmp), false);
assert_eq!(nacc.sub_noborrow(&tmp), false);
assert!(pacc < E::Fr::char());
assert!(pacc < max);
assert!(pacc < nacc);
// cur = cur * 16