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/* ====================================================================
* Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ==================================================================== */
#include <GFp/aes.h>
#include <GFp/cpu.h>
#include "internal.h"
#include "../modes/internal.h"
int GFp_aes_nohw_set_encrypt_key(const uint8_t *key, unsigned bits,
AES_KEY *aeskey);
void GFp_aes_nohw_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key);
// 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];
static const uint32_t 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, };
static const uint32_t 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 uint32_t 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 uint32_t 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, 0xadadec41U,
0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, 0x9c9cbf23U, 0xa4a4f753U,
0x727296e4U, 0xc0c05b9bU, 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU,
0x26266a4cU, 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, 0x717193e2U,
0xd8d873abU, 0x31315362U, 0x15153f2aU, 0x04040c08U, 0xc7c75295U,
0x23236546U, 0xc3c35e9dU, 0x18182830U, 0x9696a137U, 0x05050f0aU,
0x9a9ab52fU, 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, 0x09091b12U,
0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, 0x1b1b2d36U, 0x6e6eb2dcU,
0x5a5aeeb4U, 0xa0a0fb5bU, 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U,
0xb3b3ce7dU, 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, 0x20206040U,
0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, 0x6a6abed4U, 0xcbcb468dU,
0xbebed967U, 0x39394b72U, 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U,
0xcfcf4a85U, 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, 0x4545cf8aU,
0xf9f910e9U, 0x02020604U, 0x7f7f81feU, 0x5050f0a0U, 0x3c3c4478U,
0x9f9fba25U, 0xa8a8e34bU, 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U,
0x8f8f8a05U, 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, 0x10103020U,
0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, 0xcdcd4c81U, 0x0c0c1418U,
0x13133526U, 0xecec2fc3U, 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U,
0x1717392eU, 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, 0x6060a0c0U,
0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, 0x22226644U, 0x2a2a7e54U,
0x9090ab3bU, 0x8888830bU, 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU,
0x14143c28U, 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, 0x4949db92U,
0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, 0xc2c25d9fU, 0xd3d36ebdU,
0xacacef43U, 0x6262a6c4U, 0x9191a839U, 0x9595a431U, 0xe4e437d3U,
0x79798bf2U, 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, 0x6c6cb4d8U,
0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, 0x6565afcaU, 0x7a7a8ef4U,
0xaeaee947U, 0x08081810U, 0xbabad56fU, 0x787888f0U, 0x25256f4aU,
0x2e2e725cU, 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, 0x4b4bdd96U,
0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, 0x707090e0U, 0x3e3e427cU,
0xb5b5c471U, 0x6666aaccU, 0x4848d890U, 0x03030506U, 0xf6f601f7U,
0x0e0e121cU, 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, 0xe1e138d9U,
0xf8f813ebU, 0x9898b32bU, 0x11113322U, 0x6969bbd2U, 0xd9d970a9U,
0x8e8e8907U, 0x9494a733U, 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U,
0xe9e920c9U, 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, 0xbfbfda65U,
0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, 0x4141c382U, 0x9999b029U,
0x2d2d775aU, 0x0f0f111eU, 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU,
0x16163a2cU, };
static const uint32_t rcon[] = {
0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000,
// for 128-bit blocks, Rijndael never uses more than 10 rcon values
};
// |bits| must be 128 or 256. 192-bit keys are not supported.
int GFp_aes_nohw_set_encrypt_key(const uint8_t *key, unsigned bits,
AES_KEY *aeskey) {
assert(key != NULL);
assert(aeskey != NULL);
if (bits != 128 && bits != 256) {
return -2;
}
uint32_t *rk;
int i = 0;
uint32_t temp;
rk = aeskey->rd_key;
rk[0] = from_be_u32_ptr(key);
rk[1] = from_be_u32_ptr(key + 4);
rk[2] = from_be_u32_ptr(key + 8);
rk[3] = from_be_u32_ptr(key + 12);
if (bits == 128) {
aeskey->rounds = 10;
while (1) {
temp = rk[3];
rk[4] = rk[0] ^ (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
(Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
(Te0[(temp) & 0xff] & 0x0000ff00) ^
(Te1[(temp >> 24)] & 0x000000ff) ^ rcon[i];
rk[5] = rk[1] ^ rk[4];
rk[6] = rk[2] ^ rk[5];
rk[7] = rk[3] ^ rk[6];
if (++i == 10) {
return 0;
}
rk += 4;
}
}
assert(bits == 256);
rk[4] = from_be_u32_ptr(key + 16);
rk[5] = from_be_u32_ptr(key + 20);
rk[6] = from_be_u32_ptr(key + 24);
rk[7] = from_be_u32_ptr(key + 28);
aeskey->rounds = 14;
while (1) {
temp = rk[7];
rk[8] = rk[0] ^ (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
(Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
(Te0[(temp) & 0xff] & 0x0000ff00) ^
(Te1[(temp >> 24)] & 0x000000ff) ^ rcon[i];
rk[9] = rk[1] ^ rk[8];
rk[10] = rk[2] ^ rk[9];
rk[11] = rk[3] ^ rk[10];
if (++i == 7) {
return 0;
}
temp = rk[11];
rk[12] = rk[4] ^ (Te2[(temp >> 24)] & 0xff000000) ^
(Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^
(Te0[(temp >> 8) & 0xff] & 0x0000ff00) ^
(Te1[(temp) & 0xff] & 0x000000ff);
rk[13] = rk[5] ^ rk[12];
rk[14] = rk[6] ^ rk[13];
rk[15] = rk[7] ^ rk[14];
rk += 8;
}
}
void GFp_aes_nohw_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key) {
const uint32_t *rk;
uint32_t s0, s1, s2, s3, t0, t1, t2, t3;
assert(in && out && key);
rk = key->rd_key;
// map byte array block to cipher state
// and add initial round key:
s0 = from_be_u32_ptr(in) ^ rk[0];
s1 = from_be_u32_ptr(in + 4) ^ rk[1];
s2 = from_be_u32_ptr(in + 8) ^ rk[2];
s3 = from_be_u32_ptr(in + 12) ^ rk[3];
// Nr - 1 full rounds:
unsigned r = key->rounds >> 1;
for (;;) {
t0 = Te0[(s0 >> 24)] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^
Te3[(s3) & 0xff] ^ rk[4];
t1 = Te0[(s1 >> 24)] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^
Te3[(s0) & 0xff] ^ rk[5];
t2 = Te0[(s2 >> 24)] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^
Te3[(s1) & 0xff] ^ rk[6];
t3 = Te0[(s3 >> 24)] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^
Te3[(s2) & 0xff] ^ rk[7];
rk += 8;
if (--r == 0) {
break;
}
s0 = Te0[(t0 >> 24)] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^
Te3[(t3) & 0xff] ^ rk[0];
s1 = Te0[(t1 >> 24)] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^
Te3[(t0) & 0xff] ^ rk[1];
s2 = Te0[(t2 >> 24)] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^
Te3[(t1) & 0xff] ^ rk[2];
s3 = Te0[(t3 >> 24)] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^
Te3[(t2) & 0xff] ^ rk[3];
}
// apply last round and map cipher state to byte array block:
s0 = (Te2[(t0 >> 24)] & 0xff000000) ^ (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^
(Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t3) & 0xff] & 0x000000ff) ^
rk[0];
to_be_u32_ptr(out, s0);
s1 = (Te2[(t1 >> 24)] & 0xff000000) ^ (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^
(Te0[(t3 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t0) & 0xff] & 0x000000ff) ^
rk[1];
to_be_u32_ptr(out + 4, s1);
s2 = (Te2[(t2 >> 24)] & 0xff000000) ^ (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^
(Te0[(t0 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t1) & 0xff] & 0x000000ff) ^
rk[2];
to_be_u32_ptr(out + 8, s2);
s3 = (Te2[(t3 >> 24)] & 0xff000000) ^ (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^
(Te0[(t1 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t2) & 0xff] & 0x000000ff) ^
rk[3];
to_be_u32_ptr(out + 12, s3);
}