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feat: add zeroize and rename next to update

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Hatter Jiang
2023-08-27 16:00:15 +08:00
parent 8e4a6ebcb1
commit 4e9f7c031c
5 changed files with 120 additions and 13 deletions
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8
src/util.rs
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@@ -19,8 +19,8 @@ pub(crate) fn gmul_128(x: u128, y: u128) -> u128 {
pub(crate) fn ghash(key: u128, messages: &[u128]) -> u128 {
let mut y = 0u128;
for i in 0..messages.len() {
let yi = gmul_128(y ^ messages[i], key);
for message in messages {
let yi = gmul_128(y ^ message, key);
y = yi;
}
y
@@ -54,9 +54,7 @@ pub(crate) fn msb_s(s: usize, bytes: &[u8]) -> Vec<u8> {
let mut result = vec![];
let n = s / 8;
let remain = s % 8;
for i in 0..n {
result.push(bytes[i]);
}
result.extend_from_slice(&bytes[0..n]);
if remain > 0 {
result.push(bytes[n] >> (8 - remain));
}