vexahub/voprf-vx
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General improvements (#65)

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* Relax `hash_to_scalar` and `hash_to_group` bounds

* Rename `util` to `common` and shuffle some stuff around

* Don't generate unnecessary public key

* Simplify 'elliptic-curve` serializing element implementation

* Fix new Clippy 1.59 warnings

* Simplify `Ristretto255::random_scalar` implementation

* Update `derive-where`

* Fix panic during Ristretto255 deserialization

* Remove iteration during de/serialization
This commit is contained in:
daxpedda
2022-04-01 12:18:32 -07:00
committed by GitHub
parent a366a14125
commit 1a61401272
11 changed files with 231 additions and 244 deletions
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src/voprf.rs
+7 -8
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@@ -18,12 +18,12 @@ use generic_array::typenum::{IsLess, IsLessOrEqual, Unsigned, U256};
use generic_array::GenericArray;
use rand_core::{CryptoRng, RngCore};
#[cfg(feature = "serde")]
use crate::serialization::serde::{Element, Scalar};
use crate::util::{
use crate::common::{
derive_keypair, deterministic_blind_unchecked, generate_proof, i2osp_2, verify_proof,
BlindedElement, EvaluationElement, Mode, PreparedEvaluationElement, Proof, STR_FINALIZE,
};
#[cfg(feature = "serde")]
use crate::serialization::serde::{Element, Scalar};
use crate::{CipherSuite, Error, Group, Result};
////////////////////////////
@@ -576,8 +576,7 @@ mod tests {
use rand::rngs::OsRng;
use super::*;
use crate::group::STR_HASH_TO_GROUP;
use crate::util::create_context_string;
use crate::common::{create_context_string, STR_HASH_TO_GROUP};
use crate::Group;
fn prf<CS: CipherSuite>(
@@ -590,7 +589,7 @@ mod tests {
IsLess<U256> + IsLessOrEqual<<CS::Hash as BlockSizeUser>::BlockSize>,
{
let dst = GenericArray::from(STR_HASH_TO_GROUP).concat(create_context_string::<CS>(mode));
let point = CS::Group::hash_to_curve::<CS>(&[input], &dst).unwrap();
let point = CS::Group::hash_to_curve::<CS::Hash>(&[input], &dst).unwrap();
let res = point * &key;
@@ -705,7 +704,7 @@ mod tests {
let dst = GenericArray::from(STR_HASH_TO_GROUP)
.concat(create_context_string::<CS>(Mode::Oprf));
// Choose a group element that is unlikely to be the right public key
CS::Group::hash_to_curve::<CS>(&[b"msg"], &dst).unwrap()
CS::Group::hash_to_curve::<CS::Hash>(&[b"msg"], &dst).unwrap()
};
let client_finalize_result =
VoprfClient::batch_finalize(&inputs, &client_states, &messages, &proof, wrong_pk);
@@ -726,7 +725,7 @@ mod tests {
let dst = GenericArray::from(STR_HASH_TO_GROUP)
.concat(create_context_string::<CS>(Mode::Oprf));
// Choose a group element that is unlikely to be the right public key
CS::Group::hash_to_curve::<CS>(&[b"msg"], &dst).unwrap()
CS::Group::hash_to_curve::<CS::Hash>(&[b"msg"], &dst).unwrap()
};
let client_finalize_result = client_blind_result.state.finalize(
input,