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3.2.3 Don't yield identity in Group::random

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This commit is contained in:
Luke Parker
2023-02-23 04:14:07 -05:00
parent 40a6672547
commit 74647b1b52
1 changed files with 5 additions and 1 deletions
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6
crypto/dalek-ff-group/src/lib.rs
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@@ -358,7 +358,11 @@ macro_rules! dalek_group {
bytes[31] |= u8::try_from(rng.next_u32() % 2).unwrap() << 7; bytes[31] |= u8::try_from(rng.next_u32() % 2).unwrap() << 7;
let opt = Self::from_bytes(&bytes); let opt = Self::from_bytes(&bytes);
if opt.is_some().into() { if opt.is_some().into() {
return opt.unwrap(); let opt = opt.unwrap();
// Ban identity, per the trait specification
if !bool::from(opt.is_identity()) {
return opt;
}
} }
} }
} }