From 351c5188013fff041c7217aed64478cfc7643480 Mon Sep 17 00:00:00 2001 From: Egor Tensin Date: Sat, 21 Dec 2019 13:33:50 +0300 Subject: restructure the project --- src/c/aes192.c | 133 --------------------------------------------------------- 1 file changed, 133 deletions(-) delete mode 100644 src/c/aes192.c (limited to 'src/c/aes192.c') 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 - * 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 - -#include -#include - -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]; -} -- cgit v1.2.3