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Make secure_eq more versatile.

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This commit is contained in:
Adam Ierymenko 2022-12-19 11:24:40 -05:00
parent 4db2cfdc8c
commit 5114df03d9
1 changed files with 3 additions and 1 deletions
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4
crypto/src/lib.rs
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@ -14,7 +14,9 @@ pub mod x25519;
pub const ZEROES: [u8; 64] = [0_u8; 64]; pub const ZEROES: [u8; 64] = [0_u8; 64];
/// Constant time byte slice equality. /// Constant time byte slice equality.
pub fn secure_eq(a: &[u8], b: &[u8]) -> bool { #[inline]
pub fn secure_eq<A: AsRef<[u8]> + ?Sized, B: AsRef<[u8]> + ?Sized>(a: &A, b: &B) -> bool {
let (a, b) = (a.as_ref(), b.as_ref());
if a.len() == b.len() { if a.len() == b.len() {
let mut x = 0u8; let mut x = 0u8;
for (aa, bb) in a.iter().zip(b.iter()) { for (aa, bb) in a.iter().zip(b.iter()) {