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Make Schnorr modular to its transcript

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This commit is contained in:
Luke Parker
2023-03-07 05:30:21 -05:00
parent 6bff3866ea
commit 837c776297
6 changed files with 43 additions and 27 deletions
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10
crypto/transcript/src/lib.rs
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@@ -16,8 +16,8 @@ use digest::{
Digest, Output, HashMarker,
};
pub trait Transcript {
type Challenge: Clone + Send + Sync + AsRef<[u8]>;
pub trait Transcript: Send + Clone {
type Challenge: Send + Sync + Clone + AsRef<[u8]>;
/// Create a new transcript with the specified name.
fn new(name: &'static [u8]) -> Self;
@@ -83,9 +83,9 @@ where
/// A simple transcript format constructed around the specified hash algorithm.
#[derive(Clone, Debug)]
pub struct DigestTranscript<D: Clone + SecureDigest>(D);
pub struct DigestTranscript<D: Send + Clone + SecureDigest>(D);
impl<D: Clone + SecureDigest> DigestTranscript<D> {
impl<D: Send + Clone + SecureDigest> DigestTranscript<D> {
fn append(&mut self, kind: DigestTranscriptMember, value: &[u8]) {
self.0.update([kind.as_u8()]);
// Assumes messages don't exceed 16 exabytes
@@ -94,7 +94,7 @@ impl<D: Clone + SecureDigest> DigestTranscript<D> {
}
}
impl<D: Clone + SecureDigest> Transcript for DigestTranscript<D> {
impl<D: Send + Clone + SecureDigest> Transcript for DigestTranscript<D> {
type Challenge = Output<D>;
fn new(name: &'static [u8]) -> Self {