saymrwulf/curve25519-dalek-source
1
0
Fork 0
mirror of https://github.com/saymrwulf/curve25519-dalek-source.git synced 2026-09-05 20:30:57 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Make verification dependent on hash function.

Browse source
This commit is contained in:
Isis Lovecruft 2017-03-14 23:43:02 +00:00
parent b5531c1257
commit b1105618e7
Failed to extract signature
1 changed files with 13 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
src/ed25519.rs
View file

@ -244,8 +244,10 @@ impl PublicKey {
///
/// Returns true if the signature was successfully verified, and
/// false otherwise.
pub fn verify(&self, message: &[u8], signature: &Signature) -> bool {
let mut h: Sha512 = Sha512::new();
pub fn verify<D>(&self, message: &[u8], signature: &Signature) -> bool
where D: Digest<OutputSize = U64> + Default {
let mut h: D = D::default();
let mut a: ExtendedPoint;
let ao: Option<ExtendedPoint>;
let r: ProjectivePoint;
@ -372,8 +374,9 @@ impl Keypair {
}
/// Verify a signature on a message with this keypair's public key.
pub fn verify(&self, message: &[u8], signature: &Signature) -> bool {
self.public.verify(message, signature)
pub fn verify<D>(&self, message: &[u8], signature: &Signature) -> bool
where D: Digest<OutputSize = U64> + Default {
self.public.verify::<D>(message, signature)
}
}
@ -429,11 +432,11 @@ mod test {
good_sig = keypair.sign(&good);
bad_sig = keypair.sign(&bad);
assert!(keypair.verify(&good, &good_sig) == true,
assert!(keypair.verify::<Sha512>(&good, &good_sig) == true,
"Verification of a valid signature failed!");
assert!(keypair.verify(&good, &bad_sig) == false,
assert!(keypair.verify::<Sha512>(&good, &bad_sig) == false,
"Verification of a signature on a different message passed!");
assert!(keypair.verify(&bad, &good_sig) == false,
assert!(keypair.verify::<Sha512>(&bad, &good_sig) == false,
"Verification of a signature on a different message passed!");
}
@ -482,8 +485,8 @@ mod test {
println!("{:?}", pub_bytes);
assert!(sig1 == sig2, "Signature bytes not equal on line {}", lineno);
assert!(public_key.verify(&message, &sig2), "Signature verification failed on line {}", lineno);
assert!(public_key.verify::<Sha512>(&message, &sig2),
"Signature verification failed on line {}", lineno);
}
}
}
@ -529,7 +532,7 @@ mod bench {
let msg: &[u8] = "test message".as_bytes();
let sig: Signature = keypair.sign(msg);
b.iter(| | keypair.verify(msg, &sig));
b.iter(| | keypair.verify::<Sha512>(msg, &sig));
}
#[bench]