/* aes.c
*
* Copyright (C) 2006-2014 wolfSSL Inc.
*
* This file is part of CyaSSL.
*
* CyaSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* CyaSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cyassl/ctaocrypt/settings.h>
#ifndef NO_AES
#ifdef HAVE_FIPS
/* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
#define FIPS_NO_WRAPPERS
#endif
#include <cyassl/ctaocrypt/aes.h>
#include <cyassl/ctaocrypt/error-crypt.h>
#include <cyassl/ctaocrypt/logging.h>
#ifdef NO_INLINE
#include <cyassl/ctaocrypt/misc.h>
#else
#include <ctaocrypt/src/misc.c>
#endif
#ifdef DEBUG_AESNI
#include <stdio.h>
#endif
#ifdef _MSC_VER
/* 4127 warning constant while(1) */
#pragma warning(disable: 4127)
#endif
#if defined(STM32F2_CRYPTO)
/* STM32F2 hardware AES support for CBC, CTR modes through the STM32F2
* Standard Peripheral Library. Documentation located in STM32F2xx
* Standard Peripheral Library document (See note in README).
* NOTE: no support for AES-GCM/CCM/Direct */
#include "stm32f2xx.h"
#include "stm32f2xx_cryp.h"
#elif defined(HAVE_COLDFIRE_SEC)
/* Freescale Coldfire SEC support for CBC mode.
* NOTE: no support for AES-CTR/GCM/CCM/Direct */
#include <cyassl/ctaocrypt/types.h>
#include "sec.h"
#include "mcf5475_sec.h"
#include "mcf5475_siu.h"
#elif defined(FREESCALE_MMCAU)
/* Freescale mmCAU hardware AES support for Direct, CBC, CCM, GCM modes
* through the CAU/mmCAU library. Documentation located in
* ColdFire/ColdFire+ CAU and Kinetis mmCAU Software Library User
* Guide (See note in README).
* NOTE: no support for AES-CTR */
#include "cau_api.h"
#elif defined(CYASSL_PIC32MZ_CRYPT)
/* NOTE: no support for AES-CCM/Direct */
#define DEBUG_CYASSL
#include "cyassl/ctaocrypt/port/pic32/pic32mz-crypt.h"
#elif defined(HAVE_CAVIUM)
#include <cyassl/ctaocrypt/logging.h>
#include "cavium_common.h"
/* still leave SW crypto available */
#define NEED_AES_TABLES
static int AesCaviumSetKey(Aes* aes, const byte* key, word32 length,
const byte* iv);
static int AesCaviumCbcEncrypt(Aes* aes, byte* out, const byte* in,
word32 length);
static int AesCaviumCbcDecrypt(Aes* aes, byte* out, const byte* in,
word32 length);
#else
/* using CTaoCrypt software AES implementation */
#define NEED_AES_TABLES
#endif /* STM32F2_CRYPTO */
#ifdef NEED_AES_TABLES
static const word32 rcon[] = {
0x01000000, 0x02000000, 0x04000000, 0x08000000,
0x10000000, 0x20000000, 0x40000000, 0x80000000,
0x1B000000, 0x36000000,
/* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
};
static const word32 Te[5][256] = {
{
0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
},
{
0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
0x1b120909U, 0x
