From 03b116753779c271e11184f0cdcc3b66f9d7777c Mon Sep 17 00:00:00 2001 From: Hatter Jiang Date: Sat, 26 Aug 2023 22:48:50 +0800 Subject: [PATCH] feat: update Aes128GcmStreamEncryptor --- src/lib.rs | 10 +++++----- src/main.rs | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/src/lib.rs b/src/lib.rs index 3e6de01..2964e1d 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -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, integrality_buffer: Vec, @@ -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(); } } diff --git a/src/main.rs b/src/main.rs index 9da1db4..d664c22 100644 --- a/src/main.rs +++ b/src/main.rs @@ -2,7 +2,7 @@ use aes::cipher::KeyInit; use aes_gcm::{AeadInPlace, Aes128Gcm, Key}; use aes_gcm::aead::{Aead, Nonce}; -use aes_gcm_stream::Aes128GcmStream; +use aes_gcm_stream::Aes128GcmStreamEncryptor; use crate::copied::GCM; @@ -42,7 +42,7 @@ fn main() { cipher.encrypt_in_place(&nonce, &[], &mut ciphertext).unwrap(); println!("{}", hex::encode(ciphertext.as_slice())); - let mut aes128_gcm_stream = Aes128GcmStream::new([0; 16]); + let mut aes128_gcm_stream = Aes128GcmStreamEncryptor::new([0; 16]); aes128_gcm_stream.init_nonce(&[0u8; 12]); aes128_gcm_stream.init_adata(&[]); let o1 = aes128_gcm_stream.next(&plaintext[0..21]);