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curve: Mark scalar::clamp_integer as must_use (#558)

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moiseev-signal 2023-08-11 22:44:09 -07:00 committed by GitHub
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curve25519-dalek/src/scalar.rs
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@ -1240,6 +1240,7 @@ fn read_le_u64_into(src: &[u8], dst: &mut [u64]) {
///
/// See [here](https://neilmadden.blog/2020/05/28/whats-the-curve25519-clamping-all-about/) for
/// more details.
#[must_use]
pub const fn clamp_integer(mut bytes: [u8; 32]) -> [u8; 32] {
bytes[0] &= 0b1111_1000;
bytes[31] &= 0b0111_1111;