Varun Bahl / CyaSSL-Encryp

cya_u

Fork of CyaSSL-forEncrypt by Mobius IoT

aes.c@2:d0516dc143b1, 2017-05-10 (annotated)

Committer:
vbahl2
Date:
Wed May 10 18:20:47 2017 +0000
Revision:
2:d0516dc143b1
Parent:
0:5045d2638c29 
updated

Who changed what in which revision?

UserRevisionLine numberNew contents of line
toddouska 0:5045d2638c29 1 /* aes.c
toddouska 0:5045d2638c29 2 *
toddouska 0:5045d2638c29 3 * Copyright (C) 2006-2009 Sawtooth Consulting Ltd.
toddouska 0:5045d2638c29 4 *
toddouska 0:5045d2638c29 5 * This file is part of CyaSSL.
toddouska 0:5045d2638c29 6 *
toddouska 0:5045d2638c29 7 * CyaSSL is free software; you can redistribute it and/or modify
toddouska 0:5045d2638c29 8 * it under the terms of the GNU General Public License as published by
toddouska 0:5045d2638c29 9 * the Free Software Foundation; either version 2 of the License, or
toddouska 0:5045d2638c29 10 * (at your option) any later version.
toddouska 0:5045d2638c29 11 *
toddouska 0:5045d2638c29 12 * CyaSSL is distributed in the hope that it will be useful,
toddouska 0:5045d2638c29 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
toddouska 0:5045d2638c29 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
toddouska 0:5045d2638c29 15 * GNU General Public License for more details.
toddouska 0:5045d2638c29 16 *
toddouska 0:5045d2638c29 17 * You should have received a copy of the GNU General Public License
toddouska 0:5045d2638c29 18 * along with this program; if not, write to the Free Software
toddouska 0:5045d2638c29 19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
toddouska 0:5045d2638c29 20 */
toddouska 0:5045d2638c29 21
toddouska 0:5045d2638c29 22 #ifndef NO_AES
toddouska 0:5045d2638c29 23
toddouska 0:5045d2638c29 24 #include "ctc_aes.h"
toddouska 0:5045d2638c29 25 #ifdef NO_INLINE
toddouska 0:5045d2638c29 26 #include "misc.h"
toddouska 0:5045d2638c29 27 #else
toddouska 0:5045d2638c29 28 #include "misc.c"
toddouska 0:5045d2638c29 29 #endif
toddouska 0:5045d2638c29 30
toddouska 0:5045d2638c29 31
toddouska 0:5045d2638c29 32 static const word32 rcon[] = {
toddouska 0:5045d2638c29 33 0x01000000, 0x02000000, 0x04000000, 0x08000000,
toddouska 0:5045d2638c29 34 0x10000000, 0x20000000, 0x40000000, 0x80000000,
toddouska 0:5045d2638c29 35 0x1B000000, 0x36000000,
toddouska 0:5045d2638c29 36 /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
toddouska 0:5045d2638c29 37 };
toddouska 0:5045d2638c29 38
toddouska 0:5045d2638c29 39
toddouska 0:5045d2638c29 40 static const word32 Te[5][256] = {
toddouska 0:5045d2638c29 41 {
toddouska 0:5045d2638c29 42 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
toddouska 0:5045d2638c29 43 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
toddouska 0:5045d2638c29 44 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
toddouska 0:5045d2638c29 45 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
toddouska 0:5045d2638c29 46 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
toddouska 0:5045d2638c29 47 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
toddouska 0:5045d2638c29 48 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
toddouska 0:5045d2638c29 49 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
toddouska 0:5045d2638c29 50 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
toddouska 0:5045d2638c29 51 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
toddouska 0:5045d2638c29 52 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
toddouska 0:5045d2638c29 53 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
toddouska 0:5045d2638c29 54 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
toddouska 0:5045d2638c29 55 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
toddouska 0:5045d2638c29 56 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
toddouska 0:5045d2638c29 57 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
toddouska 0:5045d2638c29 58 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
toddouska 0:5045d2638c29 59 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
toddouska 0:5045d2638c29 60 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
toddouska 0:5045d2638c29 61 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
toddouska 0:5045d2638c29 62 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
toddouska 0:5045d2638c29 63 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
toddouska 0:5045d2638c29 64 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
toddouska 0:5045d2638c29 65 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
toddouska 0:5045d2638c29 66 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
toddouska 0:5045d2638c29 67 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
toddouska 0:5045d2638c29 68 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
toddouska 0:5045d2638c29 69 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
toddouska 0:5045d2638c29 70 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
toddouska 0:5045d2638c29 71 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
toddouska 0:5045d2638c29 72 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
toddouska 0:5045d2638c29 73 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
toddouska 0:5045d2638c29 74 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
toddouska 0:5045d2638c29 75 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
toddouska 0:5045d2638c29 76 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
toddouska 0:5045d2638c29 77 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
toddouska 0:5045d2638c29 78 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
toddouska 0:5045d2638c29 79 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
toddouska 0:5045d2638c29 80 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
toddouska 0:5045d2638c29 81 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
toddouska 0:5045d2638c29 82 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
toddouska 0:5045d2638c29 83 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
toddouska 0:5045d2638c29 84 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
toddouska 0:5045d2638c29 85 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
toddouska 0:5045d2638c29 86 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
toddouska 0:5045d2638c29 87 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
toddouska 0:5045d2638c29 88 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
toddouska 0:5045d2638c29 89 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
toddouska 0:5045d2638c29 90 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
toddouska 0:5045d2638c29 91 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
toddouska 0:5045d2638c29 92 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
toddouska 0:5045d2638c29 93 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
toddouska 0:5045d2638c29 94 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
toddouska 0:5045d2638c29 95 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
toddouska 0:5045d2638c29 96 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
toddouska 0:5045d2638c29 97 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
toddouska 0:5045d2638c29 98 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
toddouska 0:5045d2638c29 99 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
toddouska 0:5045d2638c29 100 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
toddouska 0:5045d2638c29 101 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
toddouska 0:5045d2638c29 102 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
toddouska 0:5045d2638c29 103 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
toddouska 0:5045d2638c29 104 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
toddouska 0:5045d2638c29 105 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
toddouska 0:5045d2638c29 106 },
toddouska 0:5045d2638c29 107 {
toddouska 0:5045d2638c29 108 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
toddouska 0:5045d2638c29 109 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
toddouska 0:5045d2638c29 110 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
toddouska 0:5045d2638c29 111 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
toddouska 0:5045d2638c29 112 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
toddouska 0:5045d2638c29 113 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
toddouska 0:5045d2638c29 114 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
toddouska 0:5045d2638c29 115 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
toddouska 0:5045d2638c29 116 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
toddouska 0:5045d2638c29 117 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
toddouska 0:5045d2638c29 118 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
toddouska 0:5045d2638c29 119 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
toddouska 0:5045d2638c29 120 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
toddouska 0:5045d2638c29 121 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
toddouska 0:5045d2638c29 122 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
toddouska 0:5045d2638c29 123 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
toddouska 0:5045d2638c29 124 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
toddouska 0:5045d2638c29 125 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
toddouska 0:5045d2638c29 126 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
toddouska 0:5045d2638c29 127 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
toddouska 0:5045d2638c29 128 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
toddouska 0:5045d2638c29 129 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
toddouska 0:5045d2638c29 130 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
toddouska 0:5045d2638c29 131 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
toddouska 0:5045d2638c29 132 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
toddouska 0:5045d2638c29 133 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
toddouska 0:5045d2638c29 134 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
toddouska 0:5045d2638c29 135 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
toddouska 0:5045d2638c29 136 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
toddouska 0:5045d2638c29 137 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
toddouska 0:5045d2638c29 138 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
toddouska 0:5045d2638c29 139 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
toddouska 0:5045d2638c29 140 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
toddouska 0:5045d2638c29 141 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
toddouska 0:5045d2638c29 142 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
toddouska 0:5045d2638c29 143 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
toddouska 0:5045d2638c29 144 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
toddouska 0:5045d2638c29 145 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
toddouska 0:5045d2638c29 146 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
toddouska 0:5045d2638c29 147 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
toddouska 0:5045d2638c29 148 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
toddouska 0:5045d2638c29 149 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
toddouska 0:5045d2638c29 150 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
toddouska 0:5045d2638c29 151 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
toddouska 0:5045d2638c29 152 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
toddouska 0:5045d2638c29 153 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
toddouska 0:5045d2638c29 154 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
toddouska 0:5045d2638c29 155 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
toddouska 0:5045d2638c29 156 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
toddouska 0:5045d2638c29 157 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
toddouska 0:5045d2638c29 158 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
toddouska 0:5045d2638c29 159 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
toddouska 0:5045d2638c29 160 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
toddouska 0:5045d2638c29 161 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
toddouska 0:5045d2638c29 162 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
toddouska 0:5045d2638c29 163 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
toddouska 0:5045d2638c29 164 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
toddouska 0:5045d2638c29 165 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
toddouska 0:5045d2638c29 166 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
toddouska 0:5045d2638c29 167 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
toddouska 0:5045d2638c29 168 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
toddouska 0:5045d2638c29 169 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
toddouska 0:5045d2638c29 170 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
toddouska 0:5045d2638c29 171 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
toddouska 0:5045d2638c29 172 },
toddouska 0:5045d2638c29 173 {
toddouska 0:5045d2638c29 174 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
toddouska 0:5045d2638c29 175 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
toddouska 0:5045d2638c29 176 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
toddouska 0:5045d2638c29 177 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
toddouska 0:5045d2638c29 178 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
toddouska 0:5045d2638c29 179 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
toddouska 0:5045d2638c29 180 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
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toddouska 0:5045d2638c29 315 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
toddouska 0:5045d2638c29 316 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
toddouska 0:5045d2638c29 317 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
toddouska 0:5045d2638c29 318 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
toddouska 0:5045d2638c29 319 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
toddouska 0:5045d2638c29 320 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
toddouska 0:5045d2638c29 321 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
toddouska 0:5045d2638c29 322 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
toddouska 0:5045d2638c29 323 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
toddouska 0:5045d2638c29 324 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
toddouska 0:5045d2638c29 325 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
toddouska 0:5045d2638c29 326 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
toddouska 0:5045d2638c29 327 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
toddouska 0:5045d2638c29 328 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
toddouska 0:5045d2638c29 329 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
toddouska 0:5045d2638c29 330 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
toddouska 0:5045d2638c29 331 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
toddouska 0:5045d2638c29 332 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
toddouska 0:5045d2638c29 333 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
toddouska 0:5045d2638c29 334 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
toddouska 0:5045d2638c29 335 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
toddouska 0:5045d2638c29 336 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
toddouska 0:5045d2638c29 337 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
toddouska 0:5045d2638c29 338 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
toddouska 0:5045d2638c29 339 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
toddouska 0:5045d2638c29 340 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
toddouska 0:5045d2638c29 341 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
toddouska 0:5045d2638c29 342 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
toddouska 0:5045d2638c29 343 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
toddouska 0:5045d2638c29 344 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
toddouska 0:5045d2638c29 345 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
toddouska 0:5045d2638c29 346 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
toddouska 0:5045d2638c29 347 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
toddouska 0:5045d2638c29 348 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
toddouska 0:5045d2638c29 349 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
toddouska 0:5045d2638c29 350 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
toddouska 0:5045d2638c29 351 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
toddouska 0:5045d2638c29 352 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
toddouska 0:5045d2638c29 353 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
toddouska 0:5045d2638c29 354 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
toddouska 0:5045d2638c29 355 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
toddouska 0:5045d2638c29 356 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
toddouska 0:5045d2638c29 357 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
toddouska 0:5045d2638c29 358 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
toddouska 0:5045d2638c29 359 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
toddouska 0:5045d2638c29 360 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
toddouska 0:5045d2638c29 361 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
toddouska 0:5045d2638c29 362 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
toddouska 0:5045d2638c29 363 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
toddouska 0:5045d2638c29 364 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
toddouska 0:5045d2638c29 365 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
toddouska 0:5045d2638c29 366 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
toddouska 0:5045d2638c29 367 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
toddouska 0:5045d2638c29 368 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
toddouska 0:5045d2638c29 369 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
toddouska 0:5045d2638c29 370 }
toddouska 0:5045d2638c29 371 };
toddouska 0:5045d2638c29 372
toddouska 0:5045d2638c29 373
toddouska 0:5045d2638c29 374 static const word32 Td[5][256] = {
toddouska 0:5045d2638c29 375 {
toddouska 0:5045d2638c29 376 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
toddouska 0:5045d2638c29 377 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
toddouska 0:5045d2638c29 378 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
toddouska 0:5045d2638c29 379 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
toddouska 0:5045d2638c29 380 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
toddouska 0:5045d2638c29 381 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
toddouska 0:5045d2638c29 382 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
toddouska 0:5045d2638c29 383 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
toddouska 0:5045d2638c29 384 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
toddouska 0:5045d2638c29 385 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
toddouska 0:5045d2638c29 386 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
toddouska 0:5045d2638c29 387 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
toddouska 0:5045d2638c29 388 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
toddouska 0:5045d2638c29 389 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
toddouska 0:5045d2638c29 390 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
toddouska 0:5045d2638c29 391 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
toddouska 0:5045d2638c29 392 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
toddouska 0:5045d2638c29 393 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
toddouska 0:5045d2638c29 394 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
toddouska 0:5045d2638c29 395 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
toddouska 0:5045d2638c29 396 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
toddouska 0:5045d2638c29 397 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
toddouska 0:5045d2638c29 398 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
toddouska 0:5045d2638c29 399 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
toddouska 0:5045d2638c29 400 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
toddouska 0:5045d2638c29 401 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
toddouska 0:5045d2638c29 402 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
toddouska 0:5045d2638c29 403 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
toddouska 0:5045d2638c29 404 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
toddouska 0:5045d2638c29 405 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
toddouska 0:5045d2638c29 406 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
toddouska 0:5045d2638c29 407 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
toddouska 0:5045d2638c29 408 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
toddouska 0:5045d2638c29 409 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
toddouska 0:5045d2638c29 410 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
toddouska 0:5045d2638c29 411 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
toddouska 0:5045d2638c29 412 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
toddouska 0:5045d2638c29 413 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
toddouska 0:5045d2638c29 414 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
toddouska 0:5045d2638c29 415 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
toddouska 0:5045d2638c29 416 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
toddouska 0:5045d2638c29 417 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
toddouska 0:5045d2638c29 418 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
toddouska 0:5045d2638c29 419 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
toddouska 0:5045d2638c29 420 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
toddouska 0:5045d2638c29 421 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
toddouska 0:5045d2638c29 422 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
toddouska 0:5045d2638c29 423 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
toddouska 0:5045d2638c29 424 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
toddouska 0:5045d2638c29 425 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
toddouska 0:5045d2638c29 426 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
toddouska 0:5045d2638c29 427 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
toddouska 0:5045d2638c29 428 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
toddouska 0:5045d2638c29 429 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
toddouska 0:5045d2638c29 430 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
toddouska 0:5045d2638c29 431 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
toddouska 0:5045d2638c29 432 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
toddouska 0:5045d2638c29 433 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
toddouska 0:5045d2638c29 434 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
toddouska 0:5045d2638c29 435 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
toddouska 0:5045d2638c29 436 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
toddouska 0:5045d2638c29 437 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
toddouska 0:5045d2638c29 438 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
toddouska 0:5045d2638c29 439 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
toddouska 0:5045d2638c29 440 },
toddouska 0:5045d2638c29 441 {
toddouska 0:5045d2638c29 442 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
toddouska 0:5045d2638c29 443 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
toddouska 0:5045d2638c29 444 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
toddouska 0:5045d2638c29 445 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
toddouska 0:5045d2638c29 446 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
toddouska 0:5045d2638c29 447 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
toddouska 0:5045d2638c29 448 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
toddouska 0:5045d2638c29 449 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
toddouska 0:5045d2638c29 450 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
toddouska 0:5045d2638c29 451 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
toddouska 0:5045d2638c29 452 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
toddouska 0:5045d2638c29 453 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
toddouska 0:5045d2638c29 454 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
toddouska 0:5045d2638c29 455 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
toddouska 0:5045d2638c29 456 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
toddouska 0:5045d2638c29 457 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
toddouska 0:5045d2638c29 458 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
toddouska 0:5045d2638c29 459 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
toddouska 0:5045d2638c29 460 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
toddouska 0:5045d2638c29 461 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
toddouska 0:5045d2638c29 462 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
toddouska 0:5045d2638c29 463 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
toddouska 0:5045d2638c29 464 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
toddouska 0:5045d2638c29 465 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
toddouska 0:5045d2638c29 466 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
toddouska 0:5045d2638c29 467 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
toddouska 0:5045d2638c29 468 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
toddouska 0:5045d2638c29 469 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
toddouska 0:5045d2638c29 470 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
toddouska 0:5045d2638c29 471 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
toddouska 0:5045d2638c29 472 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
toddouska 0:5045d2638c29 473 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
toddouska 0:5045d2638c29 474 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
toddouska 0:5045d2638c29 475 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
toddouska 0:5045d2638c29 476 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
toddouska 0:5045d2638c29 477 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
toddouska 0:5045d2638c29 478 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
toddouska 0:5045d2638c29 479 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
toddouska 0:5045d2638c29 480 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
toddouska 0:5045d2638c29 481 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
toddouska 0:5045d2638c29 482 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
toddouska 0:5045d2638c29 483 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
toddouska 0:5045d2638c29 484 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
toddouska 0:5045d2638c29 485 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
toddouska 0:5045d2638c29 486 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
toddouska 0:5045d2638c29 487 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
toddouska 0:5045d2638c29 488 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
toddouska 0:5045d2638c29 489 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
toddouska 0:5045d2638c29 490 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
toddouska 0:5045d2638c29 491 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
toddouska 0:5045d2638c29 492 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
toddouska 0:5045d2638c29 493 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
toddouska 0:5045d2638c29 494 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
toddouska 0:5045d2638c29 495 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
toddouska 0:5045d2638c29 496 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
toddouska 0:5045d2638c29 497 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
toddouska 0:5045d2638c29 498 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
toddouska 0:5045d2638c29 499 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
toddouska 0:5045d2638c29 500 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
toddouska 0:5045d2638c29 501 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
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toddouska 0:5045d2638c29 661 0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
toddouska 0:5045d2638c29 662 0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
toddouska 0:5045d2638c29 663 0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
toddouska 0:5045d2638c29 664 0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
toddouska 0:5045d2638c29 665 0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
toddouska 0:5045d2638c29 666 0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
toddouska 0:5045d2638c29 667 0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
toddouska 0:5045d2638c29 668 0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
toddouska 0:5045d2638c29 669 0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
toddouska 0:5045d2638c29 670 0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
toddouska 0:5045d2638c29 671 0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
toddouska 0:5045d2638c29 672 0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
toddouska 0:5045d2638c29 673 0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
toddouska 0:5045d2638c29 674 0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
toddouska 0:5045d2638c29 675 0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
toddouska 0:5045d2638c29 676 0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
toddouska 0:5045d2638c29 677 0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
toddouska 0:5045d2638c29 678 0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
toddouska 0:5045d2638c29 679 0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
toddouska 0:5045d2638c29 680 0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
toddouska 0:5045d2638c29 681 0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
toddouska 0:5045d2638c29 682 0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
toddouska 0:5045d2638c29 683 0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
toddouska 0:5045d2638c29 684 0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
toddouska 0:5045d2638c29 685 0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
toddouska 0:5045d2638c29 686 0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
toddouska 0:5045d2638c29 687 0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
toddouska 0:5045d2638c29 688 0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
toddouska 0:5045d2638c29 689 0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
toddouska 0:5045d2638c29 690 0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
toddouska 0:5045d2638c29 691 0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
toddouska 0:5045d2638c29 692 0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
toddouska 0:5045d2638c29 693 0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
toddouska 0:5045d2638c29 694 0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
toddouska 0:5045d2638c29 695 0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
toddouska 0:5045d2638c29 696 0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
toddouska 0:5045d2638c29 697 0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
toddouska 0:5045d2638c29 698 0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
toddouska 0:5045d2638c29 699 0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
toddouska 0:5045d2638c29 700 0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
toddouska 0:5045d2638c29 701 0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
toddouska 0:5045d2638c29 702 0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
toddouska 0:5045d2638c29 703 0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
toddouska 0:5045d2638c29 704 0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
toddouska 0:5045d2638c29 705 }
toddouska 0:5045d2638c29 706 };
toddouska 0:5045d2638c29 707
toddouska 0:5045d2638c29 708
toddouska 0:5045d2638c29 709
toddouska 0:5045d2638c29 710 #define GETBYTE(x, y) (word32)((byte)((x) >> (8 * (y))))
toddouska 0:5045d2638c29 711
toddouska 0:5045d2638c29 712
toddouska 0:5045d2638c29 713 #ifdef CYASSL_AESNI
toddouska 0:5045d2638c29 714
toddouska 0:5045d2638c29 715 #define cpuid(func,ax,bx,cx,dx)\
toddouska 0:5045d2638c29 716 __asm__ __volatile__ ("cpuid":\
toddouska 0:5045d2638c29 717 "=a" (ax), "=b" (bx), "=c" (cx), "=d" (dx) : "a" (func));
toddouska 0:5045d2638c29 718
toddouska 0:5045d2638c29 719 static int Check_CPU_support_AES()
toddouska 0:5045d2638c29 720 {
toddouska 0:5045d2638c29 721 unsigned int a,b,c,d;
toddouska 0:5045d2638c29 722 cpuid(1,a,b,c,d);
toddouska 0:5045d2638c29 723
toddouska 0:5045d2638c29 724 if (c & 0x2000000)
toddouska 0:5045d2638c29 725 return 1;
toddouska 0:5045d2638c29 726
toddouska 0:5045d2638c29 727 return 0;
toddouska 0:5045d2638c29 728 }
toddouska 0:5045d2638c29 729
toddouska 0:5045d2638c29 730 static int checkAESNI = 0;
toddouska 0:5045d2638c29 731 static int haveAESNI = 0;
toddouska 0:5045d2638c29 732
toddouska 0:5045d2638c29 733
toddouska 0:5045d2638c29 734 void AES_CBC_encrypt(const unsigned char* in, unsigned char* out,
toddouska 0:5045d2638c29 735 unsigned char* ivec, unsigned long length,
toddouska 0:5045d2638c29 736 const unsigned char* KS, int nr);
toddouska 0:5045d2638c29 737
toddouska 0:5045d2638c29 738
toddouska 0:5045d2638c29 739 void AES_CBC_decrypt(const unsigned char* in, unsigned char* out,
toddouska 0:5045d2638c29 740 unsigned char* ivec, unsigned long length,
toddouska 0:5045d2638c29 741 const unsigned char* KS, int nr);
toddouska 0:5045d2638c29 742
toddouska 0:5045d2638c29 743 void AES_128_Key_Expansion(const unsigned char* userkey,
toddouska 0:5045d2638c29 744 unsigned char* key_schedule);
toddouska 0:5045d2638c29 745
toddouska 0:5045d2638c29 746 void AES_192_Key_Expansion(const unsigned char* userkey,
toddouska 0:5045d2638c29 747 unsigned char* key_schedule);
toddouska 0:5045d2638c29 748
toddouska 0:5045d2638c29 749 void AES_256_Key_Expansion(const unsigned char* userkey,
toddouska 0:5045d2638c29 750 unsigned char* key_schedule);
toddouska 0:5045d2638c29 751
toddouska 0:5045d2638c29 752
toddouska 0:5045d2638c29 753 int AES_set_encrypt_key (const unsigned char *userKey, const int bits,
toddouska 0:5045d2638c29 754 Aes* aes)
toddouska 0:5045d2638c29 755 {
toddouska 0:5045d2638c29 756 if (!userKey || !aes)
toddouska 0:5045d2638c29 757 return -1;
toddouska 0:5045d2638c29 758
toddouska 0:5045d2638c29 759 if (bits == 128) {
toddouska 0:5045d2638c29 760 AES_128_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 10;
toddouska 0:5045d2638c29 761 return 0;
toddouska 0:5045d2638c29 762 }
toddouska 0:5045d2638c29 763 else if (bits == 192) {
toddouska 0:5045d2638c29 764 AES_192_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 12;
toddouska 0:5045d2638c29 765 return 0;
toddouska 0:5045d2638c29 766 }
toddouska 0:5045d2638c29 767 else if (bits == 256) {
toddouska 0:5045d2638c29 768 AES_256_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 14;
toddouska 0:5045d2638c29 769 return 0;
toddouska 0:5045d2638c29 770 }
toddouska 0:5045d2638c29 771 return -1;
toddouska 0:5045d2638c29 772 }
toddouska 0:5045d2638c29 773
toddouska 0:5045d2638c29 774
toddouska 0:5045d2638c29 775 int AES_set_decrypt_key (const unsigned char* userKey, const int bits,
toddouska 0:5045d2638c29 776 Aes* aes)
toddouska 0:5045d2638c29 777 {
toddouska 0:5045d2638c29 778 int nr;
toddouska 0:5045d2638c29 779 Aes temp_key;
toddouska 0:5045d2638c29 780 __m128i *Key_Schedule = (__m128i*)aes->key;
toddouska 0:5045d2638c29 781 __m128i *Temp_Key_Schedule = (__m128i*)temp_key.key;
toddouska 0:5045d2638c29 782
toddouska 0:5045d2638c29 783 if (!userKey || !aes)
toddouska 0:5045d2638c29 784 return -1;
toddouska 0:5045d2638c29 785
toddouska 0:5045d2638c29 786 if (AES_set_encrypt_key(userKey,bits,&temp_key) == -1)
toddouska 0:5045d2638c29 787 return -1;
toddouska 0:5045d2638c29 788
toddouska 0:5045d2638c29 789 nr = temp_key.rounds;
toddouska 0:5045d2638c29 790 aes->rounds = nr;
toddouska 0:5045d2638c29 791
toddouska 0:5045d2638c29 792 Key_Schedule[nr] = Temp_Key_Schedule[0];
toddouska 0:5045d2638c29 793 Key_Schedule[nr-1] = _mm_aesimc_si128(Temp_Key_Schedule[1]);
toddouska 0:5045d2638c29 794 Key_Schedule[nr-2] = _mm_aesimc_si128(Temp_Key_Schedule[2]);
toddouska 0:5045d2638c29 795 Key_Schedule[nr-3] = _mm_aesimc_si128(Temp_Key_Schedule[3]);
toddouska 0:5045d2638c29 796 Key_Schedule[nr-4] = _mm_aesimc_si128(Temp_Key_Schedule[4]);
toddouska 0:5045d2638c29 797 Key_Schedule[nr-5] = _mm_aesimc_si128(Temp_Key_Schedule[5]);
toddouska 0:5045d2638c29 798 Key_Schedule[nr-6] = _mm_aesimc_si128(Temp_Key_Schedule[6]);
toddouska 0:5045d2638c29 799 Key_Schedule[nr-7] = _mm_aesimc_si128(Temp_Key_Schedule[7]);
toddouska 0:5045d2638c29 800 Key_Schedule[nr-8] = _mm_aesimc_si128(Temp_Key_Schedule[8]);
toddouska 0:5045d2638c29 801 Key_Schedule[nr-9] = _mm_aesimc_si128(Temp_Key_Schedule[9]);
toddouska 0:5045d2638c29 802
toddouska 0:5045d2638c29 803 if(nr>10) {
toddouska 0:5045d2638c29 804 Key_Schedule[nr-10] = _mm_aesimc_si128(Temp_Key_Schedule[10]);
toddouska 0:5045d2638c29 805 Key_Schedule[nr-11] = _mm_aesimc_si128(Temp_Key_Schedule[11]);
toddouska 0:5045d2638c29 806 }
toddouska 0:5045d2638c29 807
toddouska 0:5045d2638c29 808 if(nr>12) {
toddouska 0:5045d2638c29 809 Key_Schedule[nr-12] = _mm_aesimc_si128(Temp_Key_Schedule[12]);
toddouska 0:5045d2638c29 810 Key_Schedule[nr-13] = _mm_aesimc_si128(Temp_Key_Schedule[13]);
toddouska 0:5045d2638c29 811 }
toddouska 0:5045d2638c29 812
toddouska 0:5045d2638c29 813 Key_Schedule[0] = Temp_Key_Schedule[nr];
toddouska 0:5045d2638c29 814
toddouska 0:5045d2638c29 815 return 0;
toddouska 0:5045d2638c29 816 }
toddouska 0:5045d2638c29 817
toddouska 0:5045d2638c29 818
toddouska 0:5045d2638c29 819
toddouska 0:5045d2638c29 820 #endif /* CYASSL_AESNI */
toddouska 0:5045d2638c29 821
toddouska 0:5045d2638c29 822
toddouska 0:5045d2638c29 823 int AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
toddouska 0:5045d2638c29 824 int dir)
toddouska 0:5045d2638c29 825 {
toddouska 0:5045d2638c29 826 word32 temp, *rk = aes->key;
toddouska 0:5045d2638c29 827 unsigned int i = 0;
toddouska 0:5045d2638c29 828
toddouska 0:5045d2638c29 829 if (!((keylen == 16) || (keylen == 24) || (keylen == 32)))
toddouska 0:5045d2638c29 830 return -1;
toddouska 0:5045d2638c29 831
toddouska 0:5045d2638c29 832 #ifdef CYASSL_AESNI
toddouska 0:5045d2638c29 833 if (checkAESNI == 0) {
toddouska 0:5045d2638c29 834 haveAESNI = Check_CPU_support_AES();
toddouska 0:5045d2638c29 835 checkAESNI = 1;
toddouska 0:5045d2638c29 836 }
toddouska 0:5045d2638c29 837 if (haveAESNI) {
toddouska 0:5045d2638c29 838 XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 839 if (dir == AES_ENCRYPTION)
toddouska 0:5045d2638c29 840 return AES_set_encrypt_key(userKey, keylen * 8, aes);
toddouska 0:5045d2638c29 841 else
toddouska 0:5045d2638c29 842 return AES_set_decrypt_key(userKey, keylen * 8, aes);
toddouska 0:5045d2638c29 843 }
toddouska 0:5045d2638c29 844 #endif /* CYASSL_AESNI */
toddouska 0:5045d2638c29 845
toddouska 0:5045d2638c29 846 aes->rounds = keylen/4 + 6;
toddouska 0:5045d2638c29 847
toddouska 0:5045d2638c29 848 XMEMCPY(rk, userKey, keylen);
toddouska 0:5045d2638c29 849 #ifdef LITTLE_ENDIAN_ORDER
toddouska 0:5045d2638c29 850 ByteReverseWords(rk, rk, keylen);
toddouska 0:5045d2638c29 851 #endif
toddouska 0:5045d2638c29 852
toddouska 0:5045d2638c29 853 switch(keylen)
toddouska 0:5045d2638c29 854 {
toddouska 0:5045d2638c29 855 case 16:
toddouska 0:5045d2638c29 856 while (1)
toddouska 0:5045d2638c29 857 {
toddouska 0:5045d2638c29 858 temp = rk[3];
toddouska 0:5045d2638c29 859 rk[4] = rk[0] ^
toddouska 0:5045d2638c29 860 (Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
toddouska 0:5045d2638c29 861 (Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 862 (Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 863 (Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
toddouska 0:5045d2638c29 864 rcon[i];
toddouska 0:5045d2638c29 865 rk[5] = rk[1] ^ rk[4];
toddouska 0:5045d2638c29 866 rk[6] = rk[2] ^ rk[5];
toddouska 0:5045d2638c29 867 rk[7] = rk[3] ^ rk[6];
toddouska 0:5045d2638c29 868 if (++i == 10)
toddouska 0:5045d2638c29 869 break;
toddouska 0:5045d2638c29 870 rk += 4;
toddouska 0:5045d2638c29 871 }
toddouska 0:5045d2638c29 872 break;
toddouska 0:5045d2638c29 873
toddouska 0:5045d2638c29 874 case 24:
toddouska 0:5045d2638c29 875 while (1) /* for (;;) here triggers a bug in VC60 SP4 w/ Pro Pack */
toddouska 0:5045d2638c29 876 {
toddouska 0:5045d2638c29 877 temp = rk[ 5];
toddouska 0:5045d2638c29 878 rk[ 6] = rk[ 0] ^
toddouska 0:5045d2638c29 879 (Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
toddouska 0:5045d2638c29 880 (Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 881 (Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 882 (Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
toddouska 0:5045d2638c29 883 rcon[i];
toddouska 0:5045d2638c29 884 rk[ 7] = rk[ 1] ^ rk[ 6];
toddouska 0:5045d2638c29 885 rk[ 8] = rk[ 2] ^ rk[ 7];
toddouska 0:5045d2638c29 886 rk[ 9] = rk[ 3] ^ rk[ 8];
toddouska 0:5045d2638c29 887 if (++i == 8)
toddouska 0:5045d2638c29 888 break;
toddouska 0:5045d2638c29 889 rk[10] = rk[ 4] ^ rk[ 9];
toddouska 0:5045d2638c29 890 rk[11] = rk[ 5] ^ rk[10];
toddouska 0:5045d2638c29 891 rk += 6;
toddouska 0:5045d2638c29 892 }
toddouska 0:5045d2638c29 893 break;
toddouska 0:5045d2638c29 894
toddouska 0:5045d2638c29 895 case 32:
toddouska 0:5045d2638c29 896 while (1)
toddouska 0:5045d2638c29 897 {
toddouska 0:5045d2638c29 898 temp = rk[ 7];
toddouska 0:5045d2638c29 899 rk[ 8] = rk[ 0] ^
toddouska 0:5045d2638c29 900 (Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
toddouska 0:5045d2638c29 901 (Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 902 (Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 903 (Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
toddouska 0:5045d2638c29 904 rcon[i];
toddouska 0:5045d2638c29 905 rk[ 9] = rk[ 1] ^ rk[ 8];
toddouska 0:5045d2638c29 906 rk[10] = rk[ 2] ^ rk[ 9];
toddouska 0:5045d2638c29 907 rk[11] = rk[ 3] ^ rk[10];
toddouska 0:5045d2638c29 908 if (++i == 7)
toddouska 0:5045d2638c29 909 break;
toddouska 0:5045d2638c29 910 temp = rk[11];
toddouska 0:5045d2638c29 911 rk[12] = rk[ 4] ^
toddouska 0:5045d2638c29 912 (Te[4][GETBYTE(temp, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 913 (Te[4][GETBYTE(temp, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 914 (Te[4][GETBYTE(temp, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 915 (Te[4][GETBYTE(temp, 0)] & 0x000000ff);
toddouska 0:5045d2638c29 916 rk[13] = rk[ 5] ^ rk[12];
toddouska 0:5045d2638c29 917 rk[14] = rk[ 6] ^ rk[13];
toddouska 0:5045d2638c29 918 rk[15] = rk[ 7] ^ rk[14];
toddouska 0:5045d2638c29 919
toddouska 0:5045d2638c29 920 rk += 8;
toddouska 0:5045d2638c29 921 }
toddouska 0:5045d2638c29 922 break;
toddouska 0:5045d2638c29 923 }
toddouska 0:5045d2638c29 924
toddouska 0:5045d2638c29 925 if (dir == AES_DECRYPTION)
toddouska 0:5045d2638c29 926 {
toddouska 0:5045d2638c29 927 unsigned int i, j;
toddouska 0:5045d2638c29 928 rk = aes->key;
toddouska 0:5045d2638c29 929
toddouska 0:5045d2638c29 930 /* invert the order of the round keys: */
toddouska 0:5045d2638c29 931 for (i = 0, j = 4* aes->rounds; i < j; i += 4, j -= 4) {
toddouska 0:5045d2638c29 932 temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
toddouska 0:5045d2638c29 933 temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
toddouska 0:5045d2638c29 934 temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
toddouska 0:5045d2638c29 935 temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
toddouska 0:5045d2638c29 936 }
toddouska 0:5045d2638c29 937 /* apply the inverse MixColumn transform to all round keys but the
toddouska 0:5045d2638c29 938 first and the last: */
toddouska 0:5045d2638c29 939 for (i = 1; i < aes->rounds; i++) {
toddouska 0:5045d2638c29 940 rk += 4;
toddouska 0:5045d2638c29 941 rk[0] =
toddouska 0:5045d2638c29 942 Td[0][Te[4][GETBYTE(rk[0], 3)] & 0xff] ^
toddouska 0:5045d2638c29 943 Td[1][Te[4][GETBYTE(rk[0], 2)] & 0xff] ^
toddouska 0:5045d2638c29 944 Td[2][Te[4][GETBYTE(rk[0], 1)] & 0xff] ^
toddouska 0:5045d2638c29 945 Td[3][Te[4][GETBYTE(rk[0], 0)] & 0xff];
toddouska 0:5045d2638c29 946 rk[1] =
toddouska 0:5045d2638c29 947 Td[0][Te[4][GETBYTE(rk[1], 3)] & 0xff] ^
toddouska 0:5045d2638c29 948 Td[1][Te[4][GETBYTE(rk[1], 2)] & 0xff] ^
toddouska 0:5045d2638c29 949 Td[2][Te[4][GETBYTE(rk[1], 1)] & 0xff] ^
toddouska 0:5045d2638c29 950 Td[3][Te[4][GETBYTE(rk[1], 0)] & 0xff];
toddouska 0:5045d2638c29 951 rk[2] =
toddouska 0:5045d2638c29 952 Td[0][Te[4][GETBYTE(rk[2], 3)] & 0xff] ^
toddouska 0:5045d2638c29 953 Td[1][Te[4][GETBYTE(rk[2], 2)] & 0xff] ^
toddouska 0:5045d2638c29 954 Td[2][Te[4][GETBYTE(rk[2], 1)] & 0xff] ^
toddouska 0:5045d2638c29 955 Td[3][Te[4][GETBYTE(rk[2], 0)] & 0xff];
toddouska 0:5045d2638c29 956 rk[3] =
toddouska 0:5045d2638c29 957 Td[0][Te[4][GETBYTE(rk[3], 3)] & 0xff] ^
toddouska 0:5045d2638c29 958 Td[1][Te[4][GETBYTE(rk[3], 2)] & 0xff] ^
toddouska 0:5045d2638c29 959 Td[2][Te[4][GETBYTE(rk[3], 1)] & 0xff] ^
toddouska 0:5045d2638c29 960 Td[3][Te[4][GETBYTE(rk[3], 0)] & 0xff];
toddouska 0:5045d2638c29 961 }
toddouska 0:5045d2638c29 962 }
toddouska 0:5045d2638c29 963 XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 964
toddouska 0:5045d2638c29 965 return 0;
toddouska 0:5045d2638c29 966 }
toddouska 0:5045d2638c29 967
toddouska 0:5045d2638c29 968
toddouska 0:5045d2638c29 969 void AesEncrypt(Aes* aes, const byte* inBlock, byte* outBlock)
toddouska 0:5045d2638c29 970 {
toddouska 0:5045d2638c29 971 word32 s0, s1, s2, s3;
toddouska 0:5045d2638c29 972 word32 t0, t1, t2, t3;
toddouska 0:5045d2638c29 973 word32 r = aes->rounds >> 1;
toddouska 0:5045d2638c29 974
toddouska 0:5045d2638c29 975 const word32* rk = aes->key;
toddouska 0:5045d2638c29 976 /*
toddouska 0:5045d2638c29 977 * map byte array block to cipher state
toddouska 0:5045d2638c29 978 * and add initial round key:
toddouska 0:5045d2638c29 979 */
toddouska 0:5045d2638c29 980 XMEMCPY(&s0, inBlock, sizeof(s0));
toddouska 0:5045d2638c29 981 XMEMCPY(&s1, inBlock + sizeof(s0), sizeof(s1));
toddouska 0:5045d2638c29 982 XMEMCPY(&s2, inBlock + 2 * sizeof(s0), sizeof(s2));
toddouska 0:5045d2638c29 983 XMEMCPY(&s3, inBlock + 3 * sizeof(s0), sizeof(s3));
toddouska 0:5045d2638c29 984
toddouska 0:5045d2638c29 985 #ifdef LITTLE_ENDIAN_ORDER
toddouska 0:5045d2638c29 986 s0 = ByteReverseWord32(s0);
toddouska 0:5045d2638c29 987 s1 = ByteReverseWord32(s1);
toddouska 0:5045d2638c29 988 s2 = ByteReverseWord32(s2);
toddouska 0:5045d2638c29 989 s3 = ByteReverseWord32(s3);
toddouska 0:5045d2638c29 990 #endif
toddouska 0:5045d2638c29 991
toddouska 0:5045d2638c29 992 s0 ^= rk[0];
toddouska 0:5045d2638c29 993 s1 ^= rk[1];
toddouska 0:5045d2638c29 994 s2 ^= rk[2];
toddouska 0:5045d2638c29 995 s3 ^= rk[3];
toddouska 0:5045d2638c29 996
toddouska 0:5045d2638c29 997 /*
toddouska 0:5045d2638c29 998 * Nr - 1 full rounds:
toddouska 0:5045d2638c29 999 */
toddouska 0:5045d2638c29 1000
toddouska 0:5045d2638c29 1001 for (;;) {
toddouska 0:5045d2638c29 1002 t0 =
toddouska 0:5045d2638c29 1003 Te[0][GETBYTE(s0, 3)] ^
toddouska 0:5045d2638c29 1004 Te[1][GETBYTE(s1, 2)] ^
toddouska 0:5045d2638c29 1005 Te[2][GETBYTE(s2, 1)] ^
toddouska 0:5045d2638c29 1006 Te[3][GETBYTE(s3, 0)] ^
toddouska 0:5045d2638c29 1007 rk[4];
toddouska 0:5045d2638c29 1008 t1 =
toddouska 0:5045d2638c29 1009 Te[0][GETBYTE(s1, 3)] ^
toddouska 0:5045d2638c29 1010 Te[1][GETBYTE(s2, 2)] ^
toddouska 0:5045d2638c29 1011 Te[2][GETBYTE(s3, 1)] ^
toddouska 0:5045d2638c29 1012 Te[3][GETBYTE(s0, 0)] ^
toddouska 0:5045d2638c29 1013 rk[5];
toddouska 0:5045d2638c29 1014 t2 =
toddouska 0:5045d2638c29 1015 Te[0][GETBYTE(s2, 3)] ^
toddouska 0:5045d2638c29 1016 Te[1][GETBYTE(s3, 2)] ^
toddouska 0:5045d2638c29 1017 Te[2][GETBYTE(s0, 1)] ^
toddouska 0:5045d2638c29 1018 Te[3][GETBYTE(s1, 0)] ^
toddouska 0:5045d2638c29 1019 rk[6];
toddouska 0:5045d2638c29 1020 t3 =
toddouska 0:5045d2638c29 1021 Te[0][GETBYTE(s3, 3)] ^
toddouska 0:5045d2638c29 1022 Te[1][GETBYTE(s0, 2)] ^
toddouska 0:5045d2638c29 1023 Te[2][GETBYTE(s1, 1)] ^
toddouska 0:5045d2638c29 1024 Te[3][GETBYTE(s2, 0)] ^
toddouska 0:5045d2638c29 1025 rk[7];
toddouska 0:5045d2638c29 1026
toddouska 0:5045d2638c29 1027 rk += 8;
toddouska 0:5045d2638c29 1028 if (--r == 0) {
toddouska 0:5045d2638c29 1029 break;
toddouska 0:5045d2638c29 1030 }
toddouska 0:5045d2638c29 1031
toddouska 0:5045d2638c29 1032 s0 =
toddouska 0:5045d2638c29 1033 Te[0][GETBYTE(t0, 3)] ^
toddouska 0:5045d2638c29 1034 Te[1][GETBYTE(t1, 2)] ^
toddouska 0:5045d2638c29 1035 Te[2][GETBYTE(t2, 1)] ^
toddouska 0:5045d2638c29 1036 Te[3][GETBYTE(t3, 0)] ^
toddouska 0:5045d2638c29 1037 rk[0];
toddouska 0:5045d2638c29 1038 s1 =
toddouska 0:5045d2638c29 1039 Te[0][GETBYTE(t1, 3)] ^
toddouska 0:5045d2638c29 1040 Te[1][GETBYTE(t2, 2)] ^
toddouska 0:5045d2638c29 1041 Te[2][GETBYTE(t3, 1)] ^
toddouska 0:5045d2638c29 1042 Te[3][GETBYTE(t0, 0)] ^
toddouska 0:5045d2638c29 1043 rk[1];
toddouska 0:5045d2638c29 1044 s2 =
toddouska 0:5045d2638c29 1045 Te[0][GETBYTE(t2, 3)] ^
toddouska 0:5045d2638c29 1046 Te[1][GETBYTE(t3, 2)] ^
toddouska 0:5045d2638c29 1047 Te[2][GETBYTE(t0, 1)] ^
toddouska 0:5045d2638c29 1048 Te[3][GETBYTE(t1, 0)] ^
toddouska 0:5045d2638c29 1049 rk[2];
toddouska 0:5045d2638c29 1050 s3 =
toddouska 0:5045d2638c29 1051 Te[0][GETBYTE(t3, 3)] ^
toddouska 0:5045d2638c29 1052 Te[1][GETBYTE(t0, 2)] ^
toddouska 0:5045d2638c29 1053 Te[2][GETBYTE(t1, 1)] ^
toddouska 0:5045d2638c29 1054 Te[3][GETBYTE(t2, 0)] ^
toddouska 0:5045d2638c29 1055 rk[3];
toddouska 0:5045d2638c29 1056 }
toddouska 0:5045d2638c29 1057
toddouska 0:5045d2638c29 1058 /*
toddouska 0:5045d2638c29 1059 * apply last round and
toddouska 0:5045d2638c29 1060 * map cipher state to byte array block:
toddouska 0:5045d2638c29 1061 */
toddouska 0:5045d2638c29 1062
toddouska 0:5045d2638c29 1063 s0 =
toddouska 0:5045d2638c29 1064 (Te[4][GETBYTE(t0, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 1065 (Te[4][GETBYTE(t1, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 1066 (Te[4][GETBYTE(t2, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 1067 (Te[4][GETBYTE(t3, 0)] & 0x000000ff) ^
toddouska 0:5045d2638c29 1068 rk[0];
toddouska 0:5045d2638c29 1069 s1 =
toddouska 0:5045d2638c29 1070 (Te[4][GETBYTE(t1, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 1071 (Te[4][GETBYTE(t2, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 1072 (Te[4][GETBYTE(t3, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 1073 (Te[4][GETBYTE(t0, 0)] & 0x000000ff) ^
toddouska 0:5045d2638c29 1074 rk[1];
toddouska 0:5045d2638c29 1075 s2 =
toddouska 0:5045d2638c29 1076 (Te[4][GETBYTE(t2, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 1077 (Te[4][GETBYTE(t3, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 1078 (Te[4][GETBYTE(t0, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 1079 (Te[4][GETBYTE(t1, 0)] & 0x000000ff) ^
toddouska 0:5045d2638c29 1080 rk[2];
toddouska 0:5045d2638c29 1081 s3 =
toddouska 0:5045d2638c29 1082 (Te[4][GETBYTE(t3, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 1083 (Te[4][GETBYTE(t0, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 1084 (Te[4][GETBYTE(t1, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 1085 (Te[4][GETBYTE(t2, 0)] & 0x000000ff) ^
toddouska 0:5045d2638c29 1086 rk[3];
toddouska 0:5045d2638c29 1087
toddouska 0:5045d2638c29 1088 /* write out */
toddouska 0:5045d2638c29 1089 #ifdef LITTLE_ENDIAN_ORDER
toddouska 0:5045d2638c29 1090 s0 = ByteReverseWord32(s0);
toddouska 0:5045d2638c29 1091 s1 = ByteReverseWord32(s1);
toddouska 0:5045d2638c29 1092 s2 = ByteReverseWord32(s2);
toddouska 0:5045d2638c29 1093 s3 = ByteReverseWord32(s3);
toddouska 0:5045d2638c29 1094 #endif
toddouska 0:5045d2638c29 1095
toddouska 0:5045d2638c29 1096 XMEMCPY(outBlock, &s0, sizeof(s0));
toddouska 0:5045d2638c29 1097 XMEMCPY(outBlock + sizeof(s0), &s1, sizeof(s1));
toddouska 0:5045d2638c29 1098 XMEMCPY(outBlock + 2 * sizeof(s0), &s2, sizeof(s2));
toddouska 0:5045d2638c29 1099 XMEMCPY(outBlock + 3 * sizeof(s0), &s3, sizeof(s3));
toddouska 0:5045d2638c29 1100 }
toddouska 0:5045d2638c29 1101
toddouska 0:5045d2638c29 1102
toddouska 0:5045d2638c29 1103 void AesDecrypt(Aes* aes, const byte* inBlock, byte* outBlock)
toddouska 0:5045d2638c29 1104 {
toddouska 0:5045d2638c29 1105 word32 s0, s1, s2, s3;
toddouska 0:5045d2638c29 1106 word32 t0, t1, t2, t3;
toddouska 0:5045d2638c29 1107 word32 r = aes->rounds >> 1;
toddouska 0:5045d2638c29 1108
toddouska 0:5045d2638c29 1109 const word32* rk = aes->key;
toddouska 0:5045d2638c29 1110 /*
toddouska 0:5045d2638c29 1111 * map byte array block to cipher state
toddouska 0:5045d2638c29 1112 * and add initial round key:
toddouska 0:5045d2638c29 1113 */
toddouska 0:5045d2638c29 1114 XMEMCPY(&s0, inBlock, sizeof(s0));
toddouska 0:5045d2638c29 1115 XMEMCPY(&s1, inBlock + sizeof(s0), sizeof(s1));
toddouska 0:5045d2638c29 1116 XMEMCPY(&s2, inBlock + 2 * sizeof(s0), sizeof(s2));
toddouska 0:5045d2638c29 1117 XMEMCPY(&s3, inBlock + 3 * sizeof(s0), sizeof(s3));
toddouska 0:5045d2638c29 1118
toddouska 0:5045d2638c29 1119 #ifdef LITTLE_ENDIAN_ORDER
toddouska 0:5045d2638c29 1120 s0 = ByteReverseWord32(s0);
toddouska 0:5045d2638c29 1121 s1 = ByteReverseWord32(s1);
toddouska 0:5045d2638c29 1122 s2 = ByteReverseWord32(s2);
toddouska 0:5045d2638c29 1123 s3 = ByteReverseWord32(s3);
toddouska 0:5045d2638c29 1124 #endif
toddouska 0:5045d2638c29 1125
toddouska 0:5045d2638c29 1126 s0 ^= rk[0];
toddouska 0:5045d2638c29 1127 s1 ^= rk[1];
toddouska 0:5045d2638c29 1128 s2 ^= rk[2];
toddouska 0:5045d2638c29 1129 s3 ^= rk[3];
toddouska 0:5045d2638c29 1130
toddouska 0:5045d2638c29 1131 /*
toddouska 0:5045d2638c29 1132 * Nr - 1 full rounds:
toddouska 0:5045d2638c29 1133 */
toddouska 0:5045d2638c29 1134
toddouska 0:5045d2638c29 1135 for (;;) {
toddouska 0:5045d2638c29 1136 t0 =
toddouska 0:5045d2638c29 1137 Td[0][GETBYTE(s0, 3)] ^
toddouska 0:5045d2638c29 1138 Td[1][GETBYTE(s3, 2)] ^
toddouska 0:5045d2638c29 1139 Td[2][GETBYTE(s2, 1)] ^
toddouska 0:5045d2638c29 1140 Td[3][GETBYTE(s1, 0)] ^
toddouska 0:5045d2638c29 1141 rk[4];
toddouska 0:5045d2638c29 1142 t1 =
toddouska 0:5045d2638c29 1143 Td[0][GETBYTE(s1, 3)] ^
toddouska 0:5045d2638c29 1144 Td[1][GETBYTE(s0, 2)] ^
toddouska 0:5045d2638c29 1145 Td[2][GETBYTE(s3, 1)] ^
toddouska 0:5045d2638c29 1146 Td[3][GETBYTE(s2, 0)] ^
toddouska 0:5045d2638c29 1147 rk[5];
toddouska 0:5045d2638c29 1148 t2 =
toddouska 0:5045d2638c29 1149 Td[0][GETBYTE(s2, 3)] ^
toddouska 0:5045d2638c29 1150 Td[1][GETBYTE(s1, 2)] ^
toddouska 0:5045d2638c29 1151 Td[2][GETBYTE(s0, 1)] ^
toddouska 0:5045d2638c29 1152 Td[3][GETBYTE(s3, 0)] ^
toddouska 0:5045d2638c29 1153 rk[6];
toddouska 0:5045d2638c29 1154 t3 =
toddouska 0:5045d2638c29 1155 Td[0][GETBYTE(s3, 3)] ^
toddouska 0:5045d2638c29 1156 Td[1][GETBYTE(s2, 2)] ^
toddouska 0:5045d2638c29 1157 Td[2][GETBYTE(s1, 1)] ^
toddouska 0:5045d2638c29 1158 Td[3][GETBYTE(s0, 0)] ^
toddouska 0:5045d2638c29 1159 rk[7];
toddouska 0:5045d2638c29 1160
toddouska 0:5045d2638c29 1161 rk += 8;
toddouska 0:5045d2638c29 1162 if (--r == 0) {
toddouska 0:5045d2638c29 1163 break;
toddouska 0:5045d2638c29 1164 }
toddouska 0:5045d2638c29 1165
toddouska 0:5045d2638c29 1166 s0 =
toddouska 0:5045d2638c29 1167 Td[0][GETBYTE(t0, 3)] ^
toddouska 0:5045d2638c29 1168 Td[1][GETBYTE(t3, 2)] ^
toddouska 0:5045d2638c29 1169 Td[2][GETBYTE(t2, 1)] ^
toddouska 0:5045d2638c29 1170 Td[3][GETBYTE(t1, 0)] ^
toddouska 0:5045d2638c29 1171 rk[0];
toddouska 0:5045d2638c29 1172 s1 =
toddouska 0:5045d2638c29 1173 Td[0][GETBYTE(t1, 3)] ^
toddouska 0:5045d2638c29 1174 Td[1][GETBYTE(t0, 2)] ^
toddouska 0:5045d2638c29 1175 Td[2][GETBYTE(t3, 1)] ^
toddouska 0:5045d2638c29 1176 Td[3][GETBYTE(t2, 0)] ^
toddouska 0:5045d2638c29 1177 rk[1];
toddouska 0:5045d2638c29 1178 s2 =
toddouska 0:5045d2638c29 1179 Td[0][GETBYTE(t2, 3)] ^
toddouska 0:5045d2638c29 1180 Td[1][GETBYTE(t1, 2)] ^
toddouska 0:5045d2638c29 1181 Td[2][GETBYTE(t0, 1)] ^
toddouska 0:5045d2638c29 1182 Td[3][GETBYTE(t3, 0)] ^
toddouska 0:5045d2638c29 1183 rk[2];
toddouska 0:5045d2638c29 1184 s3 =
toddouska 0:5045d2638c29 1185 Td[0][GETBYTE(t3, 3)] ^
toddouska 0:5045d2638c29 1186 Td[1][GETBYTE(t2, 2)] ^
toddouska 0:5045d2638c29 1187 Td[2][GETBYTE(t1, 1)] ^
toddouska 0:5045d2638c29 1188 Td[3][GETBYTE(t0, 0)] ^
toddouska 0:5045d2638c29 1189 rk[3];
toddouska 0:5045d2638c29 1190 }
toddouska 0:5045d2638c29 1191 /*
toddouska 0:5045d2638c29 1192 * apply last round and
toddouska 0:5045d2638c29 1193 * map cipher state to byte array block:
toddouska 0:5045d2638c29 1194 */
toddouska 0:5045d2638c29 1195 s0 =
toddouska 0:5045d2638c29 1196 (Td[4][GETBYTE(t0, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 1197 (Td[4][GETBYTE(t3, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 1198 (Td[4][GETBYTE(t2, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 1199 (Td[4][GETBYTE(t1, 0)] & 0x000000ff) ^
toddouska 0:5045d2638c29 1200 rk[0];
toddouska 0:5045d2638c29 1201 s1 =
toddouska 0:5045d2638c29 1202 (Td[4][GETBYTE(t1, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 1203 (Td[4][GETBYTE(t0, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 1204 (Td[4][GETBYTE(t3, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 1205 (Td[4][GETBYTE(t2, 0)] & 0x000000ff) ^
toddouska 0:5045d2638c29 1206 rk[1];
toddouska 0:5045d2638c29 1207 s2 =
toddouska 0:5045d2638c29 1208 (Td[4][GETBYTE(t2, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 1209 (Td[4][GETBYTE(t1, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 1210 (Td[4][GETBYTE(t0, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 1211 (Td[4][GETBYTE(t3, 0)] & 0x000000ff) ^
toddouska 0:5045d2638c29 1212 rk[2];
toddouska 0:5045d2638c29 1213 s3 =
toddouska 0:5045d2638c29 1214 (Td[4][GETBYTE(t3, 3)] & 0xff000000) ^
toddouska 0:5045d2638c29 1215 (Td[4][GETBYTE(t2, 2)] & 0x00ff0000) ^
toddouska 0:5045d2638c29 1216 (Td[4][GETBYTE(t1, 1)] & 0x0000ff00) ^
toddouska 0:5045d2638c29 1217 (Td[4][GETBYTE(t0, 0)] & 0x000000ff) ^
toddouska 0:5045d2638c29 1218 rk[3];
toddouska 0:5045d2638c29 1219
toddouska 0:5045d2638c29 1220 /* write out */
toddouska 0:5045d2638c29 1221 #ifdef LITTLE_ENDIAN_ORDER
toddouska 0:5045d2638c29 1222 s0 = ByteReverseWord32(s0);
toddouska 0:5045d2638c29 1223 s1 = ByteReverseWord32(s1);
toddouska 0:5045d2638c29 1224 s2 = ByteReverseWord32(s2);
toddouska 0:5045d2638c29 1225 s3 = ByteReverseWord32(s3);
toddouska 0:5045d2638c29 1226 #endif
toddouska 0:5045d2638c29 1227
toddouska 0:5045d2638c29 1228 XMEMCPY(outBlock, &s0, sizeof(s0));
toddouska 0:5045d2638c29 1229 XMEMCPY(outBlock + sizeof(s0), &s1, sizeof(s1));
toddouska 0:5045d2638c29 1230 XMEMCPY(outBlock + 2 * sizeof(s0), &s2, sizeof(s2));
toddouska 0:5045d2638c29 1231 XMEMCPY(outBlock + 3 * sizeof(s0), &s3, sizeof(s3));
toddouska 0:5045d2638c29 1232 }
toddouska 0:5045d2638c29 1233
toddouska 0:5045d2638c29 1234
toddouska 0:5045d2638c29 1235 void AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
toddouska 0:5045d2638c29 1236 {
toddouska 0:5045d2638c29 1237 word32 blocks = sz / AES_BLOCK_SIZE;
toddouska 0:5045d2638c29 1238
toddouska 0:5045d2638c29 1239 #ifdef CYASSL_AESNI
toddouska 0:5045d2638c29 1240 if (haveAESNI) {
toddouska 0:5045d2638c29 1241 #ifdef DEBUG_AESNI
toddouska 0:5045d2638c29 1242 printf("about to aes cbc encrypt\n");
toddouska 0:5045d2638c29 1243 printf("in = %p\n", in);
toddouska 0:5045d2638c29 1244 printf("out = %p\n", out);
toddouska 0:5045d2638c29 1245 printf("aes->key = %p\n", aes->key);
toddouska 0:5045d2638c29 1246 printf("aes->reg = %p\n", aes->reg);
toddouska 0:5045d2638c29 1247 printf("aes->rounds = %d\n", aes->rounds);
toddouska 0:5045d2638c29 1248 printf("sz = %d\n", sz);
toddouska 0:5045d2638c29 1249 #endif
toddouska 0:5045d2638c29 1250 AES_CBC_encrypt(in, out, (byte*)aes->reg, sz, (byte*)aes->key,
toddouska 0:5045d2638c29 1251 aes->rounds);
toddouska 0:5045d2638c29 1252 /* store iv for next call */
toddouska 0:5045d2638c29 1253 XMEMCPY(aes->reg, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 1254 return;
toddouska 0:5045d2638c29 1255 }
toddouska 0:5045d2638c29 1256 #endif
toddouska 0:5045d2638c29 1257
toddouska 0:5045d2638c29 1258 while (blocks--) {
toddouska 0:5045d2638c29 1259 xorbuf((byte*)aes->reg, in, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 1260 AesEncrypt(aes, (byte*)aes->reg, (byte*)aes->reg);
toddouska 0:5045d2638c29 1261 XMEMCPY(out, aes->reg, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 1262
toddouska 0:5045d2638c29 1263 out += AES_BLOCK_SIZE;
toddouska 0:5045d2638c29 1264 in += AES_BLOCK_SIZE;
toddouska 0:5045d2638c29 1265 }
toddouska 0:5045d2638c29 1266 }
toddouska 0:5045d2638c29 1267
toddouska 0:5045d2638c29 1268
toddouska 0:5045d2638c29 1269 void AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
toddouska 0:5045d2638c29 1270 {
toddouska 0:5045d2638c29 1271 word32 blocks = sz / AES_BLOCK_SIZE;
toddouska 0:5045d2638c29 1272
toddouska 0:5045d2638c29 1273 #ifdef CYASSL_AESNI
toddouska 0:5045d2638c29 1274 if (haveAESNI) {
toddouska 0:5045d2638c29 1275 #ifdef DEBUG_AESNI
toddouska 0:5045d2638c29 1276 printf("about to aes cbc decrypt\n");
toddouska 0:5045d2638c29 1277 printf("in = %p\n", in);
toddouska 0:5045d2638c29 1278 printf("out = %p\n", out);
toddouska 0:5045d2638c29 1279 printf("aes->key = %p\n", aes->key);
toddouska 0:5045d2638c29 1280 printf("aes->reg = %p\n", aes->reg);
toddouska 0:5045d2638c29 1281 printf("aes->rounds = %d\n", aes->rounds);
toddouska 0:5045d2638c29 1282 printf("sz = %d\n", sz);
toddouska 0:5045d2638c29 1283 #endif
toddouska 0:5045d2638c29 1284
toddouska 0:5045d2638c29 1285 /* if input and output same will overwirte input iv */
toddouska 0:5045d2638c29 1286 XMEMCPY(aes->tmp, in + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 1287 AES_CBC_decrypt(in, out, (byte*)aes->reg, sz, (byte*)aes->key,
toddouska 0:5045d2638c29 1288 aes->rounds);
toddouska 0:5045d2638c29 1289 /* store iv for next call */
toddouska 0:5045d2638c29 1290 XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 1291 return;
toddouska 0:5045d2638c29 1292 }
toddouska 0:5045d2638c29 1293 #endif
toddouska 0:5045d2638c29 1294
toddouska 0:5045d2638c29 1295 while (blocks--) {
toddouska 0:5045d2638c29 1296 XMEMCPY(aes->tmp, in, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 1297 AesDecrypt(aes, (byte*)aes->tmp, out);
toddouska 0:5045d2638c29 1298 xorbuf(out, (byte*)aes->reg, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 1299 XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
toddouska 0:5045d2638c29 1300
toddouska 0:5045d2638c29 1301 out += AES_BLOCK_SIZE;
toddouska 0:5045d2638c29 1302 in += AES_BLOCK_SIZE;
toddouska 0:5045d2638c29 1303 }
toddouska 0:5045d2638c29 1304 }
toddouska 0:5045d2638c29 1305
toddouska 0:5045d2638c29 1306
toddouska 0:5045d2638c29 1307 #endif /* NO_AES */
toddouska 0:5045d2638c29 1308