/* * AES (Rijndael) cipher * * Modifications to public domain implementation: * - support only 128-bit keys * - cleanup * - use C pre-processor to make it easier to change S table access * - added option (AES_SMALL_TABLES) for reducing code size by about 8 kB at *   cost of reduced throughput (quite small difference on Pentium 4, *   10-25% when using -O1 or -O2 optimization) * * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */#include "includes.h"#include "common.h"#ifdef INTERNAL_AES#include "crypto.h"/* * rijndael-alg-fst.c * * @version 3.0 (December 2000) * * Optimised ANSI C code for the Rijndael cipher (now AES) * * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> * @author Paulo Barreto <paulo.barreto@terra.com.br> * * This code is hereby placed in the public domain. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *//* #define FULL_UNROLL */#define AES_SMALL_TABLES/*Te0[x] = S [x].[02, 01, 01, 03];Te1[x] = S [x].[03, 02, 01, 01];Te2[x] = S [x].[01, 03, 02, 01];Te3[x] = S [x].[01, 01, 03, 02];Te4[x] = S [x].[01, 01, 01, 01];Td0[x] = Si[x].[0e, 09, 0d, 0b];Td1[x] = Si[x].[0b, 0e, 09, 0d];Td2[x] = Si[x].[0d, 0b, 0e, 09];Td3[x] = Si[x].[09, 0d, 0b, 0e];Td4[x] = Si[x].[01, 01, 01, 01];*/static const u32 Te0[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,};#ifndef AES_SMALL_TABLESstatic const u32 Te1[256] = {    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, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,    0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,    0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,    0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,    0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,    0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,    0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,    0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,    0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,    0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,    0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,    0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,    0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,    0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,    0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,    0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,    0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,    0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,    0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,    0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,    0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,    0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,    0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,    0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,    0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,    0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,    0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,    0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,    0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,    0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,    0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,    0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,    0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,    0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,    0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,    0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,    0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,    0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,    0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,    0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,    0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,    0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,    0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,    0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,    0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,    0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,    0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,    0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,};static const u32 Te2[256] = {    0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,    0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,    0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,    0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,    0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,    0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,    0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,    0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,    0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,    0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,    0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,    0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,    0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,    0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,    0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,    0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,    0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,    0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,    0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,    0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,    0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,    0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,    0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,    0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,    0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,    0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,    0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,    0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,    0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,    0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,    0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,    0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,    0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,    0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,    0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,    0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,    0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,    0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,    0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,    0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,    0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,    0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,    0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,    0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,    0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,    0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,    0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,    0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,    0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,    0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,    0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,    0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,    0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,    0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,    0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,    0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,    0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,    0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,    0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,    0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,    0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,    0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,    0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,    0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,};static const u32 Te3[256] = {    0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,    0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,    0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,    0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,    0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,    0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,