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Upgrade to signature scheme 0.6.0

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This commit is contained in:
Kirk Baird
2019-03-12 16:01:09 +11:00
parent efd56ebe37
commit c92f867cd8
5 changed files with 23 additions and 26 deletions
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9
eth2/utils/bls/src/signature.rs
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@@ -54,9 +54,12 @@ impl Signature {
/// Returns a new empty signature.
pub fn empty_signature() -> Self {
// Empty Signature is currently being represented as BLS::Signature.point_at_infinity()
// However it should be represented as vec![0; 96] but this
// would require all signatures to be represented in byte form as opposed to Signature
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);
// Sets C_flag and B_flag to 1 and all else to 0
empty[0] += u8::pow(2, 6) + u8::pow(2, 7);
Signature(RawSignature::from_bytes(&empty).unwrap())
}
}
@@ -129,7 +132,7 @@ mod tests {
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));
assert_eq!(*one_byte, u8::pow(2, 6) + u8::pow(2, 7));
} else {
assert_eq!(*one_byte, 0);
}