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Allow inspection of signature verification failures

This commit is contained in:
Trent Nelson 2020-07-30 18:10:41 -06:00 committed by Trent Nelson
parent 7889c7603d
commit 251f974b50
1 changed files with 11 additions and 9 deletions
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20
sdk/src/signature.rs
View File

@ -61,16 +61,18 @@ impl Signature {
Self(GenericArray::clone_from_slice(&signature_slice)) Self(GenericArray::clone_from_slice(&signature_slice))
} }
pub(self) fn verify_verbose(
&self,
pubkey_bytes: &[u8],
message_bytes: &[u8],
) -> Result<(), ed25519_dalek::SignatureError> {
let publickey = ed25519_dalek::PublicKey::from_bytes(pubkey_bytes)?;
let signature = self.0.as_slice().try_into()?;
publickey.verify_strict(message_bytes, &signature)
}
pub fn verify(&self, pubkey_bytes: &[u8], message_bytes: &[u8]) -> bool { pub fn verify(&self, pubkey_bytes: &[u8], message_bytes: &[u8]) -> bool {
let pubkey = ed25519_dalek::PublicKey::from_bytes(pubkey_bytes); self.verify_verbose(pubkey_bytes, message_bytes).is_ok()
let signature = self.0.as_slice().try_into();
if pubkey.is_err() || signature.is_err() {
return false;
}
pubkey
.unwrap()
.verify_strict(message_bytes, &signature.unwrap())
.is_ok()
} }
} }