poanetwork
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threshold_crypto
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Added `RandomAdversary` and the necessary auxiliary functions. 

Random adversaries are created for `broadcast` and `honey_badger`.  Random value generation was added for all type-dependencies of these algorithms, causing the `Rand` trait to be implement for a large portion of the codebase.

Additionally, `MessageWithSender` turned into an actual struct, making it much easier to handle. Tuple-like construction is still available through `MessageWithSender::new()`.
This commit is contained in:
Marc Brinkmann 2018-07-05 18:20:53 +02:00 committed by Vladimir Komendantskiy
parent 1f3768f2b6
commit 8af4b502ae
1 changed files with 5 additions and 10 deletions
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15
mod.rs
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@ -16,7 +16,7 @@ use clear_on_drop::ClearOnDrop;
use init_with::InitWith;
use pairing::bls12_381::{Bls12, Fr, FrRepr, G1, G1Affine, G2, G2Affine};
use pairing::{CurveAffine, CurveProjective, Engine, Field, PrimeField};
use rand::{ChaChaRng, OsRng, Rand, Rng, SeedableRng};
use rand::{ChaChaRng, OsRng, Rng, SeedableRng};
use ring::digest;
use self::error::{ErrorKind, Result};
@ -83,7 +83,8 @@ impl PublicKey {
}
/// A signature, or a signature share.
#[derive(Deserialize, Serialize, Clone, PartialEq, Eq)]
// note: random signatures can be generated for testing
#[derive(Deserialize, Serialize, Clone, PartialEq, Eq, Rand)]
pub struct Signature(#[serde(with = "serde_impl::projective")] G2);
impl fmt::Debug for Signature {
@ -112,7 +113,7 @@ impl Signature {
}
/// A secret key, or a secret key share.
#[derive(Clone, PartialEq, Eq)]
#[derive(Clone, PartialEq, Eq, Rand)]
pub struct SecretKey(Fr);
impl fmt::Debug for SecretKey {
@ -129,12 +130,6 @@ impl Default for SecretKey {
}
}
impl Rand for SecretKey {
fn rand<R: Rng>(rng: &mut R) -> Self {
SecretKey(rng.gen())
}
}
impl SecretKey {
/// Creates a secret key from an existing value
pub fn from_value(f: Fr) -> Self {
@ -203,7 +198,7 @@ impl Ciphertext {
}
/// A decryption share. A threshold of decryption shares can be used to decrypt a message.
#[derive(Clone, Deserialize, Serialize, Debug, PartialEq, Eq)]
#[derive(Clone, Deserialize, Serialize, Debug, PartialEq, Eq, Rand)]
pub struct DecryptionShare(#[serde(with = "serde_impl::projective")] G1);
impl Hash for DecryptionShare {