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Adopt BLAKE2s personalization throughout protocol.

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This commit is contained in:
Sean Bowe
2018-03-05 19:21:41 -07:00
parent d21ff08176
commit b831942501
7 changed files with 65 additions and 18 deletions
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4
src/jubjub/mod.rs
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@@ -186,7 +186,7 @@ impl JubjubBls12 {
let mut pedersen_hash_generators = vec![];
while pedersen_hash_generators.len() < 10 {
let gh = group_hash(&[cur], &tmp);
let gh = group_hash(&[cur], ::PEDERSEN_HASH_GENERATORS_PERSONALIZATION, &tmp);
// We don't want to overflow and start reusing generators
assert!(cur != u8::max_value());
cur += 1;
@@ -205,7 +205,7 @@ impl JubjubBls12 {
let mut fixed_base_generators = vec![];
while fixed_base_generators.len() < (FixedGenerators::Max as usize) {
let gh = group_hash(&[cur], &tmp);
let gh = group_hash(&[cur], ::OTHER_PERSONALIZATION, &tmp);
// We don't want to overflow and start reusing generators
assert!(cur != u8::max_value());
cur += 1;