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Update to signature-scheme 0.5.2

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This commit is contained in:
Kirk Baird
2019-02-18 10:50:40 +11:00
parent 977f3edfb6
commit 9c4a1f1d1f
12 changed files with 67 additions and 38 deletions
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30
eth2/utils/bls/src/signature.rs
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@@ -21,7 +21,11 @@ impl Signature {
/// Instantiate a new Signature from a message and a SecretKey, where the message has already
/// been hashed.
pub fn new_hashed(x_real_hashed: &[u8], x_imaginary_hashed: &[u8], sk: &SecretKey) -> Self {
Signature(RawSignature::new_hashed(x_real_hashed, x_imaginary_hashed, sk.as_raw()))
Signature(RawSignature::new_hashed(
x_real_hashed,
x_imaginary_hashed,
sk.as_raw(),
))
}
/// Verify the Signature against a PublicKey.
@@ -30,8 +34,14 @@ impl Signature {
}
/// Verify the Signature against a PublicKey, where the message has already been hashed.
pub fn verify_hashed(&self, x_real_hashed: &[u8], x_imaginary_hashed: &[u8], pk: &PublicKey) -> bool {
self.0.verify_hashed(x_real_hashed, x_imaginary_hashed, pk.as_raw())
pub fn verify_hashed(
&self,
x_real_hashed: &[u8],
x_imaginary_hashed: &[u8],
pk: &PublicKey,
) -> bool {
self.0
.verify_hashed(x_real_hashed, x_imaginary_hashed, pk.as_raw())
}
/// Returns the underlying signature.
@@ -41,7 +51,9 @@ impl Signature {
/// Returns a new empty signature.
pub fn empty_signature() -> Self {
let empty: Vec<u8> = vec![0; 96];
let mut empty: Vec<u8> = vec![0; 96];
// TODO: Modify the way flags are used (b_flag should not be used for empty_signature in the future)
empty[0] += u8::pow(2, 6);
Signature(RawSignature::from_bytes(&empty).unwrap())
}
}
@@ -99,9 +111,13 @@ mod tests {
let sig_as_bytes: Vec<u8> = sig.as_raw().as_bytes();
assert_eq!(sig_as_bytes.len(), 97);
for one_byte in sig_as_bytes.iter() {
assert_eq!(*one_byte, 0);
assert_eq!(sig_as_bytes.len(), 96);
for (i, one_byte) in sig_as_bytes.iter().enumerate() {
if i == 0 {
assert_eq!(*one_byte, u8::pow(2, 6));
} else {
assert_eq!(*one_byte, 0);
}
}
}
}