crypto/aes/aes_core.c

   1 /* crypto/aes/aes_core.c -*- mode:C; c-file-style: "eay" -*- */
   2 /**
   3  * rijndael-alg-fst.c
   4  *
   5  * @version 3.0 (December 2000)
   6  *
   7  * Optimised ANSI C code for the Rijndael cipher (now AES)
   8  *
   9  * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
  10  * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
  11  * @author Paulo Barreto <paulo.barreto@terra.com.br>
  12  *
  13  * This code is hereby placed in the public domain.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
  16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
  19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  22  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  24  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  25  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 /* Note: rewritten a little bit to provide error control and an OpenSSL-
  29    compatible API */
  30
  31 #include <assert.h>
  32 #include <stdlib.h>
  33 #include <openssl/aes.h>
  34 #include "aes_locl.h"
  35
  36 /*
  37 Te0[x] = S [x].[02, 01, 01, 03];
  38 Te1[x] = S [x].[03, 02, 01, 01];
  39 Te2[x] = S [x].[01, 03, 02, 01];
  40 Te3[x] = S [x].[01, 01, 03, 02];
  41 Te4[x] = S [x].[01, 01, 01, 01];
  42
  43 Td0[x] = Si[x].[0e, 09, 0d, 0b];
  44 Td1[x] = Si[x].[0b, 0e, 09, 0d];
  45 Td2[x] = Si[x].[0d, 0b, 0e, 09];
  46 Td3[x] = Si[x].[09, 0d, 0b, 0e];
  47 Td4[x] = Si[x].[01, 01, 01, 01];
  48 */
  49
  50 static const u32 Te0[256] = {
  51     0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
  52     0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
  53     0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
  54     0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
  55     0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
  56     0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
  57     0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
  58     0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
  59     0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
  60     0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
  61     0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
  62     0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
  63     0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
  64     0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
  65     0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
  66     0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
  67     0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
  68     0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
  69     0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
  70     0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
  71     0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
  72     0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
  73     0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
  74     0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
  75     0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
  76     0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
  77     0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
  78     0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
  79     0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
  80     0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
  81     0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
  82     0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
  83     0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
  84     0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
  85     0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
  86     0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
  87     0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
  88     0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
  89     0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
  90     0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
  91     0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
  92     0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
  93     0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
  94     0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
  95     0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
  96     0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
  97     0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
  98     0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
  99     0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
 100     0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
 101     0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
 102     0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
 103     0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
 104     0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
 105     0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
 106     0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
 107     0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
 108     0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
 109     0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
 110     0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
 111     0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
 112     0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
 113     0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
 114     0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
 115 };
 116 static const u32 Te1[256] = {
 117     0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
 118     0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
 119     0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
 120     0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
 121     0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
 122     0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
 123     0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
 124     0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
 125     0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
 126     0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
 127     0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
 128     0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
 129     0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
 130     0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
 131     0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
 132     0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
 133     0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
 134     0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
 135     0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
 136     0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
 137     0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
 138     0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
 139     0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
 140     0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
 141     0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
 142     0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
 143     0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
 144     0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
 145     0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
 146     0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
 147     0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
 148     0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
 149     0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
 150     0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
 151     0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
 152     0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
 153     0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
 154     0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
 155     0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
 156     0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
 157     0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
 158     0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
 159     0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
 160     0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
 161     0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
 162     0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
 163     0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
 164     0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
 165     0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
 166     0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
 167     0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
 168     0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
 169     0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
 170     0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
 171     0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
 172     0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
 173     0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
 174     0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
 175     0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
 176     0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
 177     0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
 178     0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
 179     0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
 180     0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
 181 };
 182 static const u32 Te2[256] = {
 183     0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
 184     0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
 185     0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
 186     0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
 187     0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
 188     0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
 189     0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
 190     0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
 191     0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
 192     0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
 193     0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
 194     0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
 195     0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
 196     0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
 197     0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
 198     0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
 199     0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
 200     0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
 201     0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
 202     0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
 203     0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
 204     0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
 205     0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
 206     0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
 207     0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
 208     0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
 209     0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
 210     0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
 211     0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
 212     0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
 213     0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
 214     0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
 215     0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
 216     0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
 217     0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
 218     0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
 219     0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
 220     0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
 221     0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
 222     0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
 223     0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
 224     0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
 225     0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
 226     0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
 227     0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
 228     0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
 229     0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
 230     0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
 231     0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
 232     0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
 233     0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
 234     0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
 235     0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
 236     0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
 237     0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
 238     0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
 239     0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
 240     0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
 241     0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
 242     0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
 243     0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
 244     0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
 245     0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
 246     0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
 247 };
 248 static const u32 Te3[256] = {
 249
 250     0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
 251     0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
 252     0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
 253     0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
 254     0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
 255     0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
 256     0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
 257     0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
 258     0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
 259     0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
 260     0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
 261     0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
 262     0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
 263     0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
 264     0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
 265     0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
 266     0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
 267     0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
 268     0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
 269     0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
 270     0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
 271     0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
 272     0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
 273     0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
 274     0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
 275     0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
 276     0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
 277     0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
 278     0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
 279     0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
 280     0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
 281     0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
 282     0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
 283     0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
 284     0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
 285     0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
 286     0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
 287     0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
 288     0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
 289     0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
 290     0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
 291     0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
 292     0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
 293     0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
 294     0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
 295     0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
 296     0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
 297     0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
 298     0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
 299     0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
 300     0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
 301     0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
 302     0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
 303     0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
 304     0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
 305     0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
 306     0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
 307     0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
 308     0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
 309     0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
 310     0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
 311     0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
 312     0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
 313     0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
 314 };
 315 static const u32 Te4[256] = {
 316     0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
 317     0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
 318     0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
 319     0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
 320     0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
 321     0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
 322     0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
 323     0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
 324     0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
 325     0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
 326     0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
 327     0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
 328     0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
 329     0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
 330     0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
 331     0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
 332     0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
 333     0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
 334     0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
 335     0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
 336     0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
 337     0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
 338     0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
 339     0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
 340     0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
 341     0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
 342     0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
 343     0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
 344     0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
 345     0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
 346     0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
 347     0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
 348     0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
 349     0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
 350     0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
 351     0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
 352     0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
 353     0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
 354     0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
 355     0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
 356     0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
 357     0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
 358     0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
 359     0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
 360     0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
 361     0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
 362     0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
 363     0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
 364     0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
 365     0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
 366     0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
 367     0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
 368     0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
 369     0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
 370     0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
 371     0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
 372     0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
 373     0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
 374     0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
 375     0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
 376     0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
 377     0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
 378     0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
 379     0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
 380 };
 381 static const u32 Td0[256] = {
 382     0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
 383     0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
 384     0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
 385     0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
 386     0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
 387     0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
 388     0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
 389     0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
 390     0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
 391     0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
 392     0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
 393     0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
 394     0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
 395     0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
 396     0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
 397     0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
 398     0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
 399     0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
 400     0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
 401     0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
 402     0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
 403     0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
 404     0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
 405     0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
 406     0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
 407     0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
 408     0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
 409     0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
 410     0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
 411     0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
 412     0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
 413     0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
 414     0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
 415     0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
 416     0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
 417     0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
 418     0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
 419     0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
 420     0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
 421     0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
 422     0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
 423     0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
 424     0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
 425     0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
 426     0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
 427     0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
 428     0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
 429     0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
 430     0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
 431     0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
 432     0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
 433     0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
 434     0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
 435     0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
 436     0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
 437     0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
 438     0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
 439     0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
 440     0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
 441     0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
 442     0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
 443     0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
 444     0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
 445     0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
 446 };
 447 static const u32 Td1[256] = {
 448     0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
 449     0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
 450     0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
 451     0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
 452     0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
 453     0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
 454     0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
 455     0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
 456     0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
 457     0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
 458     0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
 459     0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
 460     0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
 461     0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
 462     0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
 463     0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
 464     0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
 465     0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
 466     0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
 467     0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
 468     0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
 469     0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
 470     0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
 471     0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
 472     0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
 473     0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
 474     0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
 475     0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
 476     0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
 477     0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
 478     0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
 479     0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
 480     0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
 481     0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
 482     0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
 483     0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
 484     0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
 485     0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
 486     0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
 487     0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
 488     0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
 489     0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
 490     0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
 491     0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
 492     0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
 493     0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
 494     0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
 495     0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
 496     0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
 497     0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
 498     0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
 499     0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
 500     0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
 501     0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
 502     0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
 503     0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
 504     0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
 505     0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
 506     0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
 507     0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
 508     0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
 509     0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
 510     0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
 511     0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
 512 };
 513 static const u32 Td2[256] = {
 514     0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
 515     0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
 516     0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
 517     0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
 518     0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
 519     0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
 520     0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
 521     0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
 522     0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
 523     0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
 524     0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
 525     0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
 526     0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
 527     0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
 528     0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
 529     0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
 530     0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
 531     0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
 532     0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
 533     0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
 534
 535     0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
 536     0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
 537     0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
 538     0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
 539     0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
 540     0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
 541     0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
 542     0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
 543     0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
 544     0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
 545     0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
 546     0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
 547     0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
 548     0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
 549     0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
 550     0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
 551     0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
 552     0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
 553     0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
 554     0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
 555     0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
 556     0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
 557     0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
 558     0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
 559     0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
 560     0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
 561     0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
 562     0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
 563     0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
 564     0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
 565     0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
 566     0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
 567     0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
 568     0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
 569     0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
 570     0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
 571     0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
 572     0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
 573     0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
 574     0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
 575     0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
 576     0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
 577     0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
 578     0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
 579 };
 580 static const u32 Td3[256] = {
 581     0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
 582     0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
 583     0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
 584     0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
 585     0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
 586     0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
 587     0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
 588     0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
 589     0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
 590     0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
 591     0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
 592     0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
 593     0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
 594     0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
 595     0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
 596     0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
 597     0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
 598     0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
 599     0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
 600     0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
 601     0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
 602     0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
 603     0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
 604     0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
 605     0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
 606     0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
 607     0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
 608     0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
 609     0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
 610     0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
 611     0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
 612     0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
 613     0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
 614     0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
 615     0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
 616     0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
 617     0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
 618     0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
 619     0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
 620     0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
 621     0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
 622     0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
 623     0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
 624     0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
 625     0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
 626     0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
 627     0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
 628     0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
 629     0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
 630     0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
 631     0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
 632     0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
 633     0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
 634     0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
 635     0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
 636     0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
 637     0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
 638     0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
 639     0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
 640     0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
 641     0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
 642     0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
 643     0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
 644     0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
 645 };
 646 static const u32 Td4[256] = {
 647     0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
 648     0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
 649     0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
 650     0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
 651     0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
 652     0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
 653     0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
 654     0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
 655     0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
 656     0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
 657     0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
 658     0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
 659     0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
 660     0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
 661     0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
 662     0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
 663     0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
 664     0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
 665     0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
 666     0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
 667     0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
 668     0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
 669     0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
 670     0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
 671     0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
 672     0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
 673     0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
 674     0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
 675     0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
 676     0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
 677     0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
 678     0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
 679     0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
 680     0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
 681     0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
 682     0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
 683     0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
 684     0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
 685     0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
 686     0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
 687     0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
 688     0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
 689     0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
 690     0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
 691     0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
 692     0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
 693     0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
 694     0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
 695     0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
 696     0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
 697     0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
 698     0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
 699     0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
 700     0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
 701     0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
 702     0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
 703     0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
 704     0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
 705     0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
 706     0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
 707     0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
 708     0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
 709     0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
 710     0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
 711 };
 712 static const u32 rcon[] = {
 713         0x01000000, 0x02000000, 0x04000000, 0x08000000,
 714         0x10000000, 0x20000000, 0x40000000, 0x80000000,
 715         0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
 716 };
 717
 718 /**
 719  * Expand the cipher key into the encryption key schedule.
 720  */
 721 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
 722                         AES_KEY *key) {
 723
 724         u32 *rk;
 725         int i = 0;
 726         u32 temp;
 727
 728         if (!userKey || !key)
 729                 return -1;
 730         if (bits != 128 && bits != 192 && bits != 256)
 731                 return -2;
 732
 733         rk = key->rd_key;
 734
 735         if (bits==128)
 736                 key->rounds = 10;
 737         else if (bits==192)
 738                 key->rounds = 12;
 739         else
 740                 key->rounds = 14;
 741
 742         rk[0] = GETU32(userKey     );
 743         rk[1] = GETU32(userKey +  4);
 744         rk[2] = GETU32(userKey +  8);
 745         rk[3] = GETU32(userKey + 12);
 746         if (bits == 128) {
 747                 for (;;) {
 748                         temp  = rk[3];
 749                         rk[4] = rk[0] ^
 750                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 751                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 752                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 753                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
 754                                 rcon[i];
 755                         rk[5] = rk[1] ^ rk[4];
 756                         rk[6] = rk[2] ^ rk[5];
 757                         rk[7] = rk[3] ^ rk[6];
 758                         if (++i == 10) {
 759                                 return 0;
 760                         }
 761                         rk += 4;
 762                 }
 763         }
 764         rk[4] = GETU32(userKey + 16);
 765         rk[5] = GETU32(userKey + 20);
 766         if (bits == 192) {
 767                 for (;;) {
 768                         temp = rk[ 5];
 769                         rk[ 6] = rk[ 0] ^
 770                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 771                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 772                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 773                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
 774                                 rcon[i];
 775                         rk[ 7] = rk[ 1] ^ rk[ 6];
 776                         rk[ 8] = rk[ 2] ^ rk[ 7];
 777                         rk[ 9] = rk[ 3] ^ rk[ 8];
 778                         if (++i == 8) {
 779                                 return 0;
 780                         }
 781                         rk[10] = rk[ 4] ^ rk[ 9];
 782                         rk[11] = rk[ 5] ^ rk[10];
 783                         rk += 6;
 784                 }
 785         }
 786         rk[6] = GETU32(userKey + 24);
 787         rk[7] = GETU32(userKey + 28);
 788         if (bits == 256) {
 789                 for (;;) {
 790                         temp = rk[ 7];
 791                         rk[ 8] = rk[ 0] ^
 792                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 793                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 794                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 795                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
 796                                 rcon[i];
 797                         rk[ 9] = rk[ 1] ^ rk[ 8];
 798                         rk[10] = rk[ 2] ^ rk[ 9];
 799                         rk[11] = rk[ 3] ^ rk[10];
 800                         if (++i == 7) {
 801                                 return 0;
 802                         }
 803                         temp = rk[11];
 804                         rk[12] = rk[ 4] ^
 805                                 (Te4[(temp >> 24)       ] & 0xff000000) ^
 806                                 (Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
 807                                 (Te4[(temp >>  8) & 0xff] & 0x0000ff00) ^
 808                                 (Te4[(temp      ) & 0xff] & 0x000000ff);
 809                         rk[13] = rk[ 5] ^ rk[12];
 810                         rk[14] = rk[ 6] ^ rk[13];
 811                         rk[15] = rk[ 7] ^ rk[14];
 812
 813                         rk += 8;
 814                 }
 815         }
 816         return 0;
 817 }
 818
 819 /**
 820  * Expand the cipher key into the decryption key schedule.
 821  */
 822 int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
 823                          AES_KEY *key) {
 824
 825         u32 *rk;
 826         int i, j, status;
 827         u32 temp;
 828
 829         /* first, start with an encryption schedule */
 830         status = AES_set_encrypt_key(userKey, bits, key);
 831         if (status < 0)
 832                 return status;
 833
 834         rk = key->rd_key;
 835
 836         /* invert the order of the round keys: */
 837         for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) {
 838                 temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
 839                 temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
 840                 temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
 841                 temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
 842         }
 843         /* apply the inverse MixColumn transform to all round keys but the first and the last: */
 844         for (i = 1; i < (key->rounds); i++) {
 845                 rk += 4;
 846                 rk[0] =
 847                         Td0[Te4[(rk[0] >> 24)       ] & 0xff] ^
 848                         Td1[Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
 849                         Td2[Te4[(rk[0] >>  8) & 0xff] & 0xff] ^
 850                         Td3[Te4[(rk[0]      ) & 0xff] & 0xff];
 851                 rk[1] =
 852                         Td0[Te4[(rk[1] >> 24)       ] & 0xff] ^
 853                         Td1[Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
 854                         Td2[Te4[(rk[1] >>  8) & 0xff] & 0xff] ^
 855                         Td3[Te4[(rk[1]      ) & 0xff] & 0xff];
 856                 rk[2] =
 857                         Td0[Te4[(rk[2] >> 24)       ] & 0xff] ^
 858                         Td1[Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
 859                         Td2[Te4[(rk[2] >>  8) & 0xff] & 0xff] ^
 860                         Td3[Te4[(rk[2]      ) & 0xff] & 0xff];
 861                 rk[3] =
 862                         Td0[Te4[(rk[3] >> 24)       ] & 0xff] ^
 863                         Td1[Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
 864                         Td2[Te4[(rk[3] >>  8) & 0xff] & 0xff] ^
 865                         Td3[Te4[(rk[3]      ) & 0xff] & 0xff];
 866         }
 867         return 0;
 868 }
 869
 870 /*
 871  * Encrypt a single block
 872  * in and out can overlap
 873  */
 874 void AES_encrypt(const unsigned char *in, unsigned char *out,
 875                  const AES_KEY *key) {
 876
 877         const u32 *rk;
 878         u32 s0, s1, s2, s3, t0, t1, t2, t3;
 879 #ifndef FULL_UNROLL
 880         int r;
 881 #endif /* ?FULL_UNROLL */
 882
 883         assert(in && out && key);
 884         rk = key->rd_key;
 885
 886         /*
 887          * map byte array block to cipher state
 888          * and add initial round key:
 889          */
 890         s0 = GETU32(in     ) ^ rk[0];
 891         s1 = GETU32(in +  4) ^ rk[1];
 892         s2 = GETU32(in +  8) ^ rk[2];
 893         s3 = GETU32(in + 12) ^ rk[3];
 894 #ifdef FULL_UNROLL
 895         /* round 1: */
 896         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
 897         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
 898         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
 899         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
 900         /* round 2: */
 901         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
 902         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
 903         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
 904         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
 905         /* round 3: */
 906         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
 907         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
 908         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
 909         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
 910         /* round 4: */
 911         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
 912         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
 913         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
 914         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
 915         /* round 5: */
 916         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
 917         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
 918         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
 919         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
 920         /* round 6: */
 921         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
 922         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
 923         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
 924         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
 925         /* round 7: */
 926         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
 927         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
 928         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
 929         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
 930         /* round 8: */
 931         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
 932         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
 933         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
 934         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
 935         /* round 9: */
 936         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
 937         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
 938         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
 939         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
 940     if (key->rounds > 10) {
 941         /* round 10: */
 942         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
 943         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
 944         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
 945         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
 946         /* round 11: */
 947         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
 948         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
 949         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
 950         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
 951         if (key->rounds > 12) {
 952             /* round 12: */
 953             s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
 954             s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
 955             s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
 956             s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
 957             /* round 13: */
 958             t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
 959             t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
 960             t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
 961             t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
 962         }
 963     }
 964     rk += key->rounds << 2;
 965 #else  /* !FULL_UNROLL */
 966     /*
 967      * Nr - 1 full rounds:
 968      */
 969     r = key->rounds >> 1;
 970     for (;;) {
 971         t0 =
 972             Te0[(s0 >> 24)       ] ^
 973             Te1[(s1 >> 16) & 0xff] ^
 974             Te2[(s2 >>  8) & 0xff] ^
 975             Te3[(s3      ) & 0xff] ^
 976             rk[4];
 977         t1 =
 978             Te0[(s1 >> 24)       ] ^
 979             Te1[(s2 >> 16) & 0xff] ^
 980             Te2[(s3 >>  8) & 0xff] ^
 981             Te3[(s0      ) & 0xff] ^
 982             rk[5];
 983         t2 =
 984             Te0[(s2 >> 24)       ] ^
 985             Te1[(s3 >> 16) & 0xff] ^
 986             Te2[(s0 >>  8) & 0xff] ^
 987             Te3[(s1      ) & 0xff] ^
 988             rk[6];
 989         t3 =
 990             Te0[(s3 >> 24)       ] ^
 991             Te1[(s0 >> 16) & 0xff] ^
 992             Te2[(s1 >>  8) & 0xff] ^
 993             Te3[(s2      ) & 0xff] ^
 994             rk[7];
 995
 996         rk += 8;
 997         if (--r == 0) {
 998             break;
 999         }
1000
1001         s0 =
1002             Te0[(t0 >> 24)       ] ^
1003             Te1[(t1 >> 16) & 0xff] ^
1004             Te2[(t2 >>  8) & 0xff] ^
1005             Te3[(t3      ) & 0xff] ^
1006             rk[0];
1007         s1 =
1008             Te0[(t1 >> 24)       ] ^
1009             Te1[(t2 >> 16) & 0xff] ^
1010             Te2[(t3 >>  8) & 0xff] ^
1011             Te3[(t0      ) & 0xff] ^
1012             rk[1];
1013         s2 =
1014             Te0[(t2 >> 24)       ] ^
1015             Te1[(t3 >> 16) & 0xff] ^
1016             Te2[(t0 >>  8) & 0xff] ^
1017             Te3[(t1      ) & 0xff] ^
1018             rk[2];
1019         s3 =
1020             Te0[(t3 >> 24)       ] ^
1021             Te1[(t0 >> 16) & 0xff] ^
1022             Te2[(t1 >>  8) & 0xff] ^
1023             Te3[(t2      ) & 0xff] ^
1024             rk[3];
1025     }
1026 #endif /* ?FULL_UNROLL */
1027     /*
1028          * apply last round and
1029          * map cipher state to byte array block:
1030          */
1031         s0 =
1032                 (Te4[(t0 >> 24)       ] & 0xff000000) ^
1033                 (Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1034                 (Te4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1035                 (Te4[(t3      ) & 0xff] & 0x000000ff) ^
1036                 rk[0];
1037         PUTU32(out     , s0);
1038         s1 =
1039                 (Te4[(t1 >> 24)       ] & 0xff000000) ^
1040                 (Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1041                 (Te4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1042                 (Te4[(t0      ) & 0xff] & 0x000000ff) ^
1043                 rk[1];
1044         PUTU32(out +  4, s1);
1045         s2 =
1046                 (Te4[(t2 >> 24)       ] & 0xff000000) ^
1047                 (Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1048                 (Te4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1049                 (Te4[(t1      ) & 0xff] & 0x000000ff) ^
1050                 rk[2];
1051         PUTU32(out +  8, s2);
1052         s3 =
1053                 (Te4[(t3 >> 24)       ] & 0xff000000) ^
1054                 (Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1055                 (Te4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1056                 (Te4[(t2      ) & 0xff] & 0x000000ff) ^
1057                 rk[3];
1058         PUTU32(out + 12, s3);
1059 }
1060
1061 /*
1062  * Decrypt a single block
1063  * in and out can overlap
1064  */
1065 void AES_decrypt(const unsigned char *in, unsigned char *out,
1066                  const AES_KEY *key) {
1067
1068         const u32 *rk;
1069         u32 s0, s1, s2, s3, t0, t1, t2, t3;
1070 #ifndef FULL_UNROLL
1071         int r;
1072 #endif /* ?FULL_UNROLL */
1073
1074         assert(in && out && key);
1075         rk = key->rd_key;
1076
1077         /*
1078          * map byte array block to cipher state
1079          * and add initial round key:
1080          */
1081     s0 = GETU32(in     ) ^ rk[0];
1082     s1 = GETU32(in +  4) ^ rk[1];
1083     s2 = GETU32(in +  8) ^ rk[2];
1084     s3 = GETU32(in + 12) ^ rk[3];
1085 #ifdef FULL_UNROLL
1086     /* round 1: */
1087     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1088     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1089     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1090     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1091     /* round 2: */
1092     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1093     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1094     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1095     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1096     /* round 3: */
1097     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1098     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1099     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1100     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1101     /* round 4: */
1102     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1103     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1104     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1105     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1106     /* round 5: */
1107     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1108     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1109     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1110     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1111     /* round 6: */
1112     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1113     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1114     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1115     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1116     /* round 7: */
1117     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1118     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1119     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1120     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1121     /* round 8: */
1122     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1123     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1124     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1125     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1126     /* round 9: */
1127     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1128     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1129     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1130     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1131     if (key->rounds > 10) {
1132         /* round 10: */
1133         s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1134         s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1135         s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1136         s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1137         /* round 11: */
1138         t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1139         t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1140         t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1141         t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1142         if (key->rounds > 12) {
1143             /* round 12: */
1144             s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1145             s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1146             s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1147             s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1148             /* round 13: */
1149             t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1150             t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1151             t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1152             t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1153         }
1154     }
1155         rk += key->rounds << 2;
1156 #else  /* !FULL_UNROLL */
1157     /*
1158      * Nr - 1 full rounds:
1159      */
1160     r = key->rounds >> 1;
1161     for (;;) {
1162         t0 =
1163             Td0[(s0 >> 24)       ] ^
1164             Td1[(s3 >> 16) & 0xff] ^
1165             Td2[(s2 >>  8) & 0xff] ^
1166             Td3[(s1      ) & 0xff] ^
1167             rk[4];
1168         t1 =
1169             Td0[(s1 >> 24)       ] ^
1170             Td1[(s0 >> 16) & 0xff] ^
1171             Td2[(s3 >>  8) & 0xff] ^
1172             Td3[(s2      ) & 0xff] ^
1173             rk[5];
1174         t2 =
1175             Td0[(s2 >> 24)       ] ^
1176             Td1[(s1 >> 16) & 0xff] ^
1177             Td2[(s0 >>  8) & 0xff] ^
1178             Td3[(s3      ) & 0xff] ^
1179             rk[6];
1180         t3 =
1181             Td0[(s3 >> 24)       ] ^
1182             Td1[(s2 >> 16) & 0xff] ^
1183             Td2[(s1 >>  8) & 0xff] ^
1184             Td3[(s0      ) & 0xff] ^
1185             rk[7];
1186
1187         rk += 8;
1188         if (--r == 0) {
1189             break;
1190         }
1191
1192         s0 =
1193             Td0[(t0 >> 24)       ] ^
1194             Td1[(t3 >> 16) & 0xff] ^
1195             Td2[(t2 >>  8) & 0xff] ^
1196             Td3[(t1      ) & 0xff] ^
1197             rk[0];
1198         s1 =
1199             Td0[(t1 >> 24)       ] ^
1200             Td1[(t0 >> 16) & 0xff] ^
1201             Td2[(t3 >>  8) & 0xff] ^
1202             Td3[(t2      ) & 0xff] ^
1203             rk[1];
1204         s2 =
1205             Td0[(t2 >> 24)       ] ^
1206             Td1[(t1 >> 16) & 0xff] ^
1207             Td2[(t0 >>  8) & 0xff] ^
1208             Td3[(t3      ) & 0xff] ^
1209             rk[2];
1210         s3 =
1211             Td0[(t3 >> 24)       ] ^
1212             Td1[(t2 >> 16) & 0xff] ^
1213             Td2[(t1 >>  8) & 0xff] ^
1214             Td3[(t0      ) & 0xff] ^
1215             rk[3];
1216     }
1217 #endif /* ?FULL_UNROLL */
1218     /*
1219          * apply last round and
1220          * map cipher state to byte array block:
1221          */
1222         s0 =
1223                 (Td4[(t0 >> 24)       ] & 0xff000000) ^
1224                 (Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1225                 (Td4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1226                 (Td4[(t1      ) & 0xff] & 0x000000ff) ^
1227                 rk[0];
1228         PUTU32(out     , s0);
1229         s1 =
1230                 (Td4[(t1 >> 24)       ] & 0xff000000) ^
1231                 (Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1232                 (Td4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1233                 (Td4[(t2      ) & 0xff] & 0x000000ff) ^
1234                 rk[1];
1235         PUTU32(out +  4, s1);
1236         s2 =
1237                 (Td4[(t2 >> 24)       ] & 0xff000000) ^
1238                 (Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1239                 (Td4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1240                 (Td4[(t3      ) & 0xff] & 0x000000ff) ^
1241                 rk[2];
1242         PUTU32(out +  8, s2);
1243         s3 =
1244                 (Td4[(t3 >> 24)       ] & 0xff000000) ^
1245                 (Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1246                 (Td4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1247                 (Td4[(t0      ) & 0xff] & 0x000000ff) ^
1248                 rk[3];
1249         PUTU32(out + 12, s3);
1250 }
1251