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feat: update Aes128GcmStreamEncryptor

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Hatter Jiang
2023-08-26 22:48:50 +08:00
parent de8b24bdfb
commit 03b1167537
2 changed files with 7 additions and 7 deletions
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10
src/lib.rs
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@@ -2,7 +2,7 @@ use aes::Aes128;
use aes::cipher::{Block, BlockEncrypt, KeyInit};
use aes::cipher::generic_array::GenericArray;
pub struct Aes128GcmStream {
pub struct Aes128GcmStreamEncryptor {
crypto: Aes128,
message_buffer: Vec<u8>,
integrality_buffer: Vec<u8>,
@@ -14,7 +14,7 @@ pub struct Aes128GcmStream {
message_len: usize,
}
impl Aes128GcmStream {
impl Aes128GcmStreamEncryptor {
pub fn new(key: [u8; 16]) -> Self {
let key = GenericArray::from(key);
let aes = Aes128::new(&key);
@@ -119,12 +119,12 @@ impl Aes128GcmStream {
let integrality_buffer_slice = self.integrality_buffer.as_slice();
let integrality_buffer_slice_len = integrality_buffer_slice.len();
if integrality_buffer_slice_len >= 16 {
let i_blocks_count = integrality_buffer_slice_len / 16;
for i in 0..i_blocks_count {
let blocks_count = integrality_buffer_slice_len / 16;
for i in 0..blocks_count {
let buf = &integrality_buffer_slice[i * 16..(i + 1) * 16];
self.ghash_val = gmul_128(self.ghash_val ^ u8to128(buf), self.ghash_key)
}
self.integrality_buffer = integrality_buffer_slice[i_blocks_count * 16..].to_vec();
self.integrality_buffer = integrality_buffer_slice[blocks_count * 16..].to_vec();
}
}