aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/src/c/aes192.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/c/aes192.c')
-rw-r--r--src/c/aes192.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/src/c/aes192.c b/src/c/aes192.c
deleted file mode 100644
index d661b78..0000000
--- a/src/c/aes192.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
- * This file is part of the "AES tools" project.
- * For details, see https://github.com/egor-tensin/aes-tools.
- * Distributed under the MIT License.
- */
-
-#include <aes/all.h>
-
-#include <emmintrin.h>
-#include <wmmintrin.h>
-
-AES_AES_Block __fastcall aes_AES192_encrypt_block_(
- AES_AES_Block plaintext,
- const AES_AES192_RoundKeys* encryption_keys)
-{
- plaintext = _mm_xor_si128(plaintext, encryption_keys->keys[0]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[1]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[2]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[3]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[4]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[5]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[6]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[7]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[8]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[9]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[10]);
- plaintext = _mm_aesenc_si128(plaintext, encryption_keys->keys[11]);
- return _mm_aesenclast_si128(plaintext, encryption_keys->keys[12]);
-}
-
-AES_AES_Block __fastcall aes_AES192_decrypt_block_(
- AES_AES_Block ciphertext,
- const AES_AES192_RoundKeys* decryption_keys)
-{
- ciphertext = _mm_xor_si128(ciphertext, decryption_keys->keys[0]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[1]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[2]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[3]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[4]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[5]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[6]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[7]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[8]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[9]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[10]);
- ciphertext = _mm_aesdec_si128(ciphertext, decryption_keys->keys[11]);
- return _mm_aesdeclast_si128(ciphertext, decryption_keys->keys[12]);
-}
-
-static void __fastcall aes_aes192_expand_key_assist(
- AES_AES_Block* prev_lo,
- AES_AES_Block* prev_hi,
- AES_AES_Block hwgen)
-{
- AES_AES_Block tmp = *prev_lo;
-
- tmp = _mm_slli_si128(tmp, 4);
- *prev_lo = _mm_xor_si128(*prev_lo, tmp);
- tmp = _mm_slli_si128(tmp, 4);
- *prev_lo = _mm_xor_si128(*prev_lo, tmp);
- tmp = _mm_slli_si128(tmp, 4);
- *prev_lo = _mm_xor_si128(*prev_lo, tmp);
-
- hwgen = _mm_shuffle_epi32(hwgen, 0x55);
- *prev_lo = _mm_xor_si128(*prev_lo, hwgen);
-
- tmp = _mm_shuffle_epi32(*prev_hi, 0xf3);
- *prev_hi = _mm_xor_si128(*prev_hi, tmp);
-
- tmp = _mm_shuffle_epi32(*prev_lo, 0xff);
- tmp = _mm_srli_si128(tmp, 8);
- *prev_hi = _mm_xor_si128(*prev_hi, tmp);
-}
-
-void __fastcall aes_AES192_expand_key_(
- AES_AES_Block key_lo,
- AES_AES_Block key_hi,
- AES_AES192_RoundKeys* encryption_keys)
-{
- encryption_keys->keys[0] = key_lo;
- encryption_keys->keys[1] = key_hi;
-
- aes_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x01));
- encryption_keys->keys[1] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(encryption_keys->keys[1]), _mm_castsi128_pd(key_lo), 0));
- encryption_keys->keys[2] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
-
- aes_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x02));
- encryption_keys->keys[3] = key_lo;
- encryption_keys->keys[4] = key_hi;
-
- aes_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x04));
- encryption_keys->keys[4] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(encryption_keys->keys[4]), _mm_castsi128_pd(key_lo), 0));
- encryption_keys->keys[5] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
-
- aes_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x08));
- encryption_keys->keys[6] = key_lo;
- encryption_keys->keys[7] = key_hi;
-
- aes_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x10));
- encryption_keys->keys[7] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(encryption_keys->keys[7]), _mm_castsi128_pd(key_lo), 0));
- encryption_keys->keys[8] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
-
- aes_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x20));
- encryption_keys->keys[9] = key_lo;
- encryption_keys->keys[10] = key_hi;
-
- aes_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x40));
- encryption_keys->keys[10] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(encryption_keys->keys[10]), _mm_castsi128_pd(key_lo), 0));
- encryption_keys->keys[11] = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(key_lo), _mm_castsi128_pd(key_hi), 1));
-
- aes_aes192_expand_key_assist(&key_lo, &key_hi, _mm_aeskeygenassist_si128(key_hi, 0x80));
- encryption_keys->keys[12] = key_lo;
-}
-
-void __fastcall aes_AES192_derive_decryption_keys_(
- const AES_AES192_RoundKeys* encryption_keys,
- AES_AES192_RoundKeys* decryption_keys)
-{
- decryption_keys->keys[0] = encryption_keys->keys[12];
- decryption_keys->keys[1] = _mm_aesimc_si128(encryption_keys->keys[11]);
- decryption_keys->keys[2] = _mm_aesimc_si128(encryption_keys->keys[10]);
- decryption_keys->keys[3] = _mm_aesimc_si128(encryption_keys->keys[9]);
- decryption_keys->keys[4] = _mm_aesimc_si128(encryption_keys->keys[8]);
- decryption_keys->keys[5] = _mm_aesimc_si128(encryption_keys->keys[7]);
- decryption_keys->keys[6] = _mm_aesimc_si128(encryption_keys->keys[6]);
- decryption_keys->keys[7] = _mm_aesimc_si128(encryption_keys->keys[5]);
- decryption_keys->keys[8] = _mm_aesimc_si128(encryption_keys->keys[4]);
- decryption_keys->keys[9] = _mm_aesimc_si128(encryption_keys->keys[3]);
- decryption_keys->keys[10] = _mm_aesimc_si128(encryption_keys->keys[2]);
- decryption_keys->keys[11] = _mm_aesimc_si128(encryption_keys->keys[1]);
- decryption_keys->keys[12] = encryption_keys->keys[0];
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 18:58:22 +0000