rijndael.c

   1 /*      $OpenBSD: rijndael.c,v 1.12 2001/09/13 09:48:39 markus Exp $ */
   2
   3 /**
   4  * rijndael-alg-fst.c
   5  *
   6  * @version 3.0 (December 2000)
   7  *
   8  * Optimised ANSI C code for the Rijndael cipher (now AES)
   9  *
  10  * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
  11  * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
  12  * @author Paulo Barreto <paulo.barreto@terra.com.br>
  13  *
  14  * This code is hereby placed in the public domain.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
  17  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
  20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  26  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include "rijndael.h"
  32
  33 #define FULL_UNROLL
  34
  35 /*
  36 Te0[x] = S [x].[02, 01, 01, 03];
  37 Te1[x] = S [x].[03, 02, 01, 01];
  38 Te2[x] = S [x].[01, 03, 02, 01];
  39 Te3[x] = S [x].[01, 01, 03, 02];
  40 Te4[x] = S [x].[01, 01, 01, 01];
  41
  42 Td0[x] = Si[x].[0e, 09, 0d, 0b];
  43 Td1[x] = Si[x].[0b, 0e, 09, 0d];
  44 Td2[x] = Si[x].[0d, 0b, 0e, 09];
  45 Td3[x] = Si[x].[09, 0d, 0b, 0e];
  46 Td4[x] = Si[x].[01, 01, 01, 01];
  47 */
  48
  49 static const u32 Te0[256] = {
  50     0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
  51     0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
  52     0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
  53     0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
  54     0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
  55     0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
  56     0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
  57     0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
  58     0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
  59     0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
  60     0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
  61     0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
  62     0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
  63     0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
  64     0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
  65     0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
  66     0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
  67     0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
  68     0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
  69     0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
  70     0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
  71     0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
  72     0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
  73     0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
  74     0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
  75     0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
  76     0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
  77     0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
  78     0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
  79     0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
  80     0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
  81     0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
  82     0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
  83     0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
  84     0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
  85     0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
  86     0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
  87     0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
  88     0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
  89     0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
  90     0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
  91     0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
  92     0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
  93     0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
  94     0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
  95     0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
  96     0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
  97     0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
  98     0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
  99     0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
 100     0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
 101     0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
 102     0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
 103     0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
 104     0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
 105     0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
 106     0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
 107     0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
 108     0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
 109     0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
 110     0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
 111     0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
 112     0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
 113     0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
 114 };
 115 static const u32 Te1[256] = {
 116     0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
 117     0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
 118     0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
 119     0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
 120     0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
 121     0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
 122     0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
 123     0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
 124     0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
 125     0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
 126     0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
 127     0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
 128     0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
 129     0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
 130     0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
 131     0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
 132     0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
 133     0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
 134     0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
 135     0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
 136     0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
 137     0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
 138     0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
 139     0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
 140     0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
 141     0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
 142     0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
 143     0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
 144     0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
 145     0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
 146     0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
 147     0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
 148     0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
 149     0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
 150     0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
 151     0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
 152     0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
 153     0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
 154     0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
 155     0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
 156     0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
 157     0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
 158     0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
 159     0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
 160     0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
 161     0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
 162     0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
 163     0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
 164     0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
 165     0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
 166     0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
 167     0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
 168     0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
 169     0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
 170     0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
 171     0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
 172     0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
 173     0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
 174     0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
 175     0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
 176     0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
 177     0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
 178     0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
 179     0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
 180 };
 181 static const u32 Te2[256] = {
 182     0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
 183     0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
 184     0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
 185     0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
 186     0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
 187     0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
 188     0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
 189     0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
 190     0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
 191     0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
 192     0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
 193     0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
 194     0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
 195     0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
 196     0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
 197     0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
 198     0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
 199     0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
 200     0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
 201     0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
 202     0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
 203     0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
 204     0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
 205     0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
 206     0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
 207     0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
 208     0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
 209     0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
 210     0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
 211     0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
 212     0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
 213     0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
 214     0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
 215     0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
 216     0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
 217     0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
 218     0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
 219     0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
 220     0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
 221     0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
 222     0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
 223     0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
 224     0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
 225     0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
 226     0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
 227     0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
 228     0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
 229     0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
 230     0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
 231     0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
 232     0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
 233     0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
 234     0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
 235     0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
 236     0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
 237     0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
 238     0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
 239     0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
 240     0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
 241     0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
 242     0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
 243     0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
 244     0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
 245     0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
 246 };
 247 static const u32 Te3[256] = {
 248
 249     0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
 250     0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
 251     0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
 252     0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
 253     0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
 254     0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
 255     0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
 256     0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
 257     0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
 258     0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
 259     0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
 260     0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
 261     0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
 262     0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
 263     0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
 264     0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
 265     0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
 266     0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
 267     0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
 268     0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
 269     0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
 270     0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
 271     0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
 272     0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
 273     0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
 274     0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
 275     0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
 276     0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
 277     0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
 278     0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
 279     0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
 280     0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
 281     0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
 282     0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
 283     0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
 284     0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
 285     0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
 286     0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
 287     0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
 288     0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
 289     0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
 290     0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
 291     0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
 292     0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
 293     0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
 294     0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
 295     0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
 296     0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
 297     0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
 298     0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
 299     0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
 300     0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
 301     0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
 302     0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
 303     0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
 304     0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
 305     0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
 306     0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
 307     0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
 308     0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
 309     0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
 310     0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
 311     0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
 312     0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
 313 };
 314 static const u32 Te4[256] = {
 315     0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
 316     0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
 317     0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
 318     0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
 319     0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
 320     0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
 321     0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
 322     0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
 323     0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
 324     0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
 325     0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
 326     0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
 327     0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
 328     0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
 329     0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
 330     0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
 331     0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
 332     0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
 333     0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
 334     0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
 335     0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
 336     0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
 337     0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
 338     0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
 339     0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
 340     0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
 341     0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
 342     0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
 343     0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
 344     0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
 345     0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
 346     0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
 347     0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
 348     0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
 349     0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
 350     0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
 351     0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
 352     0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
 353     0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
 354     0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
 355     0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
 356     0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
 357     0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
 358     0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
 359     0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
 360     0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
 361     0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
 362     0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
 363     0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
 364     0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
 365     0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
 366     0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
 367     0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
 368     0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
 369     0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
 370     0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
 371     0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
 372     0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
 373     0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
 374     0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
 375     0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
 376     0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
 377     0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
 378     0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
 379 };
 380 static const u32 Td0[256] = {
 381     0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
 382     0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
 383     0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
 384     0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
 385     0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
 386     0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
 387     0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
 388     0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
 389     0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
 390     0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
 391     0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
 392     0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
 393     0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
 394     0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
 395     0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
 396     0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
 397     0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
 398     0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
 399     0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
 400     0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
 401     0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
 402     0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
 403     0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
 404     0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
 405     0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
 406     0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
 407     0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
 408     0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
 409     0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
 410     0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
 411     0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
 412     0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
 413     0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
 414     0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
 415     0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
 416     0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
 417     0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
 418     0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
 419     0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
 420     0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
 421     0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
 422     0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
 423     0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
 424     0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
 425     0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
 426     0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
 427     0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
 428     0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
 429     0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
 430     0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
 431     0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
 432     0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
 433     0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
 434     0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
 435     0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
 436     0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
 437     0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
 438     0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
 439     0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
 440     0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
 441     0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
 442     0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
 443     0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
 444     0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
 445 };
 446 static const u32 Td1[256] = {
 447     0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
 448     0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
 449     0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
 450     0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
 451     0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
 452     0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
 453     0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
 454     0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
 455     0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
 456     0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
 457     0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
 458     0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
 459     0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
 460     0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
 461     0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
 462     0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
 463     0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
 464     0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
 465     0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
 466     0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
 467     0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
 468     0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
 469     0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
 470     0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
 471     0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
 472     0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
 473     0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
 474     0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
 475     0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
 476     0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
 477     0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
 478     0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
 479     0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
 480     0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
 481     0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
 482     0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
 483     0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
 484     0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
 485     0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
 486     0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
 487     0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
 488     0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
 489     0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
 490     0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
 491     0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
 492     0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
 493     0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
 494     0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
 495     0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
 496     0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
 497     0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
 498     0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
 499     0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
 500     0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
 501     0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
 502     0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
 503     0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
 504     0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
 505     0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
 506     0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
 507     0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
 508     0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
 509     0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
 510     0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
 511 };
 512 static const u32 Td2[256] = {
 513     0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
 514     0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
 515     0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
 516     0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
 517     0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
 518     0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
 519     0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
 520     0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
 521     0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
 522     0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
 523     0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
 524     0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
 525     0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
 526     0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
 527     0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
 528     0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
 529     0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
 530     0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
 531     0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
 532     0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
 533
 534     0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
 535     0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
 536     0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
 537     0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
 538     0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
 539     0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
 540     0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
 541     0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
 542     0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
 543     0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
 544     0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
 545     0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
 546     0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
 547     0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
 548     0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
 549     0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
 550     0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
 551     0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
 552     0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
 553     0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
 554     0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
 555     0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
 556     0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
 557     0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
 558     0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
 559     0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
 560     0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
 561     0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
 562     0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
 563     0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
 564     0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
 565     0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
 566     0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
 567     0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
 568     0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
 569     0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
 570     0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
 571     0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
 572     0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
 573     0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
 574     0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
 575     0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
 576     0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
 577     0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
 578 };
 579 static const u32 Td3[256] = {
 580     0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
 581     0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
 582     0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
 583     0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
 584     0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
 585     0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
 586     0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
 587     0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
 588     0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
 589     0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
 590     0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
 591     0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
 592     0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
 593     0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
 594     0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
 595     0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
 596     0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
 597     0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
 598     0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
 599     0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
 600     0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
 601     0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
 602     0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
 603     0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
 604     0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
 605     0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
 606     0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
 607     0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
 608     0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
 609     0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
 610     0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
 611     0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
 612     0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
 613     0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
 614     0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
 615     0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
 616     0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
 617     0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
 618     0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
 619     0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
 620     0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
 621     0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
 622     0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
 623     0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
 624     0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
 625     0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
 626     0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
 627     0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
 628     0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
 629     0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
 630     0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
 631     0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
 632     0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
 633     0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
 634     0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
 635     0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
 636     0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
 637     0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
 638     0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
 639     0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
 640     0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
 641     0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
 642     0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
 643     0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
 644 };
 645 static const u32 Td4[256] = {
 646     0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
 647     0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
 648     0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
 649     0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
 650     0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
 651     0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
 652     0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
 653     0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
 654     0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
 655     0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
 656     0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
 657     0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
 658     0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
 659     0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
 660     0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
 661     0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
 662     0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
 663     0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
 664     0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
 665     0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
 666     0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
 667     0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
 668     0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
 669     0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
 670     0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
 671     0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
 672     0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
 673     0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
 674     0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
 675     0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
 676     0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
 677     0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
 678     0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
 679     0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
 680     0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
 681     0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
 682     0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
 683     0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
 684     0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
 685     0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
 686     0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
 687     0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
 688     0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
 689     0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
 690     0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
 691     0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
 692     0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
 693     0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
 694     0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
 695     0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
 696     0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
 697     0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
 698     0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
 699     0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
 700     0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
 701     0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
 702     0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
 703     0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
 704     0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
 705     0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
 706     0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
 707     0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
 708     0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
 709     0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
 710 };
 711 static const u32 rcon[] = {
 712         0x01000000, 0x02000000, 0x04000000, 0x08000000,
 713         0x10000000, 0x20000000, 0x40000000, 0x80000000,
 714         0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
 715 };
 716
 717 #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
 718 #define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
 719
 720 /**
 721  * Expand the cipher key into the encryption key schedule.
 722  *
 723  * @return      the number of rounds for the given cipher key size.
 724  */
 725 static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits) {
 726         int i = 0;
 727         u32 temp;
 728
 729         rk[0] = GETU32(cipherKey     );
 730         rk[1] = GETU32(cipherKey +  4);
 731         rk[2] = GETU32(cipherKey +  8);
 732         rk[3] = GETU32(cipherKey + 12);
 733         if (keyBits == 128) {
 734                 for (;;) {
 735                         temp  = rk[3];
 736                         rk[4] = rk[0] ^
 737                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 738                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 739                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 740                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
 741                                 rcon[i];
 742                         rk[5] = rk[1] ^ rk[4];
 743                         rk[6] = rk[2] ^ rk[5];
 744                         rk[7] = rk[3] ^ rk[6];
 745                         if (++i == 10) {
 746                                 return 10;
 747                         }
 748                         rk += 4;
 749                 }
 750         }
 751         rk[4] = GETU32(cipherKey + 16);
 752         rk[5] = GETU32(cipherKey + 20);
 753         if (keyBits == 192) {
 754                 for (;;) {
 755                         temp = rk[ 5];
 756                         rk[ 6] = rk[ 0] ^
 757                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 758                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 759                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 760                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
 761                                 rcon[i];
 762                         rk[ 7] = rk[ 1] ^ rk[ 6];
 763                         rk[ 8] = rk[ 2] ^ rk[ 7];
 764                         rk[ 9] = rk[ 3] ^ rk[ 8];
 765                         if (++i == 8) {
 766                                 return 12;
 767                         }
 768                         rk[10] = rk[ 4] ^ rk[ 9];
 769                         rk[11] = rk[ 5] ^ rk[10];
 770                         rk += 6;
 771                 }
 772         }
 773         rk[6] = GETU32(cipherKey + 24);
 774         rk[7] = GETU32(cipherKey + 28);
 775         if (keyBits == 256) {
 776         for (;;) {
 777                 temp = rk[ 7];
 778                 rk[ 8] = rk[ 0] ^
 779                         (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 780                         (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 781                         (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 782                         (Te4[(temp >> 24)       ] & 0x000000ff) ^
 783                         rcon[i];
 784                 rk[ 9] = rk[ 1] ^ rk[ 8];
 785                 rk[10] = rk[ 2] ^ rk[ 9];
 786                 rk[11] = rk[ 3] ^ rk[10];
 787                         if (++i == 7) {
 788                                 return 14;
 789                         }
 790                 temp = rk[11];
 791                 rk[12] = rk[ 4] ^
 792                         (Te4[(temp >> 24)       ] & 0xff000000) ^
 793                         (Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
 794                         (Te4[(temp >>  8) & 0xff] & 0x0000ff00) ^
 795                         (Te4[(temp      ) & 0xff] & 0x000000ff);
 796                 rk[13] = rk[ 5] ^ rk[12];
 797                 rk[14] = rk[ 6] ^ rk[13];
 798                 rk[15] = rk[ 7] ^ rk[14];
 799
 800                         rk += 8;
 801         }
 802         }
 803         return 0;
 804 }
 805
 806 /**
 807  * Expand the cipher key into the decryption key schedule.
 808  *
 809  * @return      the number of rounds for the given cipher key size.
 810  */
 811 static int
 812 rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits,
 813     int have_encrypt) {
 814         int Nr, i, j;
 815         u32 temp;
 816
 817         if (have_encrypt) {
 818                 Nr = have_encrypt;
 819         } else {
 820                 /* expand the cipher key: */
 821                 Nr = rijndaelKeySetupEnc(rk, cipherKey, keyBits);
 822         }
 823         /* invert the order of the round keys: */
 824         for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
 825                 temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
 826                 temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
 827                 temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
 828                 temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
 829         }
 830         /* apply the inverse MixColumn transform to all round keys but the first and the last: */
 831         for (i = 1; i < Nr; i++) {
 832                 rk += 4;
 833                 rk[0] =
 834                         Td0[Te4[(rk[0] >> 24)       ] & 0xff] ^
 835                         Td1[Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
 836                         Td2[Te4[(rk[0] >>  8) & 0xff] & 0xff] ^
 837                         Td3[Te4[(rk[0]      ) & 0xff] & 0xff];
 838                 rk[1] =
 839                         Td0[Te4[(rk[1] >> 24)       ] & 0xff] ^
 840                         Td1[Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
 841                         Td2[Te4[(rk[1] >>  8) & 0xff] & 0xff] ^
 842                         Td3[Te4[(rk[1]      ) & 0xff] & 0xff];
 843                 rk[2] =
 844                         Td0[Te4[(rk[2] >> 24)       ] & 0xff] ^
 845                         Td1[Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
 846                         Td2[Te4[(rk[2] >>  8) & 0xff] & 0xff] ^
 847                         Td3[Te4[(rk[2]      ) & 0xff] & 0xff];
 848                 rk[3] =
 849                         Td0[Te4[(rk[3] >> 24)       ] & 0xff] ^
 850                         Td1[Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
 851                         Td2[Te4[(rk[3] >>  8) & 0xff] & 0xff] ^
 852                         Td3[Te4[(rk[3]      ) & 0xff] & 0xff];
 853         }
 854         return Nr;
 855 }
 856
 857 static void rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16], u8 ct[16]) {
 858         u32 s0, s1, s2, s3, t0, t1, t2, t3;
 859 #ifndef FULL_UNROLL
 860     int r;
 861 #endif /* ?FULL_UNROLL */
 862
 863     /*
 864          * map byte array block to cipher state
 865          * and add initial round key:
 866          */
 867         s0 = GETU32(pt     ) ^ rk[0];
 868         s1 = GETU32(pt +  4) ^ rk[1];
 869         s2 = GETU32(pt +  8) ^ rk[2];
 870         s3 = GETU32(pt + 12) ^ rk[3];
 871 #ifdef FULL_UNROLL
 872     /* round 1: */
 873         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
 874         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
 875         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
 876         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
 877         /* round 2: */
 878         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
 879         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
 880         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
 881         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
 882     /* round 3: */
 883         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
 884         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
 885         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
 886         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
 887         /* round 4: */
 888         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
 889         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
 890         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
 891         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
 892     /* round 5: */
 893         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
 894         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
 895         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
 896         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
 897         /* round 6: */
 898         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
 899         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
 900         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
 901         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
 902     /* round 7: */
 903         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
 904         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
 905         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
 906         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
 907         /* round 8: */
 908         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
 909         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
 910         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
 911         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
 912     /* round 9: */
 913         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
 914         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
 915         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
 916         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
 917     if (Nr > 10) {
 918         /* round 10: */
 919         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
 920         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
 921         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
 922         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
 923         /* round 11: */
 924         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
 925         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
 926         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
 927         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
 928         if (Nr > 12) {
 929             /* round 12: */
 930             s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
 931             s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
 932             s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
 933             s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
 934             /* round 13: */
 935             t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
 936             t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
 937             t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
 938             t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
 939         }
 940     }
 941     rk += Nr << 2;
 942 #else  /* !FULL_UNROLL */
 943     /*
 944          * Nr - 1 full rounds:
 945          */
 946     r = Nr >> 1;
 947     for (;;) {
 948         t0 =
 949             Te0[(s0 >> 24)       ] ^
 950             Te1[(s1 >> 16) & 0xff] ^
 951             Te2[(s2 >>  8) & 0xff] ^
 952             Te3[(s3      ) & 0xff] ^
 953             rk[4];
 954         t1 =
 955             Te0[(s1 >> 24)       ] ^
 956             Te1[(s2 >> 16) & 0xff] ^
 957             Te2[(s3 >>  8) & 0xff] ^
 958             Te3[(s0      ) & 0xff] ^
 959             rk[5];
 960         t2 =
 961             Te0[(s2 >> 24)       ] ^
 962             Te1[(s3 >> 16) & 0xff] ^
 963             Te2[(s0 >>  8) & 0xff] ^
 964             Te3[(s1      ) & 0xff] ^
 965             rk[6];
 966         t3 =
 967             Te0[(s3 >> 24)       ] ^
 968             Te1[(s0 >> 16) & 0xff] ^
 969             Te2[(s1 >>  8) & 0xff] ^
 970             Te3[(s2      ) & 0xff] ^
 971             rk[7];
 972
 973         rk += 8;
 974         if (--r == 0) {
 975             break;
 976         }
 977
 978         s0 =
 979             Te0[(t0 >> 24)       ] ^
 980             Te1[(t1 >> 16) & 0xff] ^
 981             Te2[(t2 >>  8) & 0xff] ^
 982             Te3[(t3      ) & 0xff] ^
 983             rk[0];
 984         s1 =
 985             Te0[(t1 >> 24)       ] ^
 986             Te1[(t2 >> 16) & 0xff] ^
 987             Te2[(t3 >>  8) & 0xff] ^
 988             Te3[(t0      ) & 0xff] ^
 989             rk[1];
 990         s2 =
 991             Te0[(t2 >> 24)       ] ^
 992             Te1[(t3 >> 16) & 0xff] ^
 993             Te2[(t0 >>  8) & 0xff] ^
 994             Te3[(t1      ) & 0xff] ^
 995             rk[2];
 996         s3 =
 997             Te0[(t3 >> 24)       ] ^
 998             Te1[(t0 >> 16) & 0xff] ^
 999             Te2[(t1 >>  8) & 0xff] ^
1000             Te3[(t2      ) & 0xff] ^
1001             rk[3];
1002     }
1003 #endif /* ?FULL_UNROLL */
1004     /*
1005          * apply last round and
1006          * map cipher state to byte array block:
1007          */
1008         s0 =
1009                 (Te4[(t0 >> 24)       ] & 0xff000000) ^
1010                 (Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1011                 (Te4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1012                 (Te4[(t3      ) & 0xff] & 0x000000ff) ^
1013                 rk[0];
1014         PUTU32(ct     , s0);
1015         s1 =
1016                 (Te4[(t1 >> 24)       ] & 0xff000000) ^
1017                 (Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1018                 (Te4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1019                 (Te4[(t0      ) & 0xff] & 0x000000ff) ^
1020                 rk[1];
1021         PUTU32(ct +  4, s1);
1022         s2 =
1023                 (Te4[(t2 >> 24)       ] & 0xff000000) ^
1024                 (Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1025                 (Te4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1026                 (Te4[(t1      ) & 0xff] & 0x000000ff) ^
1027                 rk[2];
1028         PUTU32(ct +  8, s2);
1029         s3 =
1030                 (Te4[(t3 >> 24)       ] & 0xff000000) ^
1031                 (Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1032                 (Te4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1033                 (Te4[(t2      ) & 0xff] & 0x000000ff) ^
1034                 rk[3];
1035         PUTU32(ct + 12, s3);
1036 }
1037
1038 static void rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16], u8 pt[16]) {
1039         u32 s0, s1, s2, s3, t0, t1, t2, t3;
1040 #ifndef FULL_UNROLL
1041     int r;
1042 #endif /* ?FULL_UNROLL */
1043
1044     /*
1045          * map byte array block to cipher state
1046          * and add initial round key:
1047          */
1048     s0 = GETU32(ct     ) ^ rk[0];
1049     s1 = GETU32(ct +  4) ^ rk[1];
1050     s2 = GETU32(ct +  8) ^ rk[2];
1051     s3 = GETU32(ct + 12) ^ rk[3];
1052 #ifdef FULL_UNROLL
1053     /* round 1: */
1054     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1055     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1056     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1057     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1058     /* round 2: */
1059     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1060     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1061     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1062     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1063     /* round 3: */
1064     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1065     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1066     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1067     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1068     /* round 4: */
1069     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1070     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1071     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1072     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1073     /* round 5: */
1074     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1075     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1076     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1077     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1078     /* round 6: */
1079     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1080     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1081     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1082     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1083     /* round 7: */
1084     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1085     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1086     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1087     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1088     /* round 8: */
1089     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1090     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1091     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1092     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1093     /* round 9: */
1094     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1095     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1096     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1097     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1098     if (Nr > 10) {
1099         /* round 10: */
1100         s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1101         s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1102         s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1103         s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1104         /* round 11: */
1105         t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1106         t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1107         t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1108         t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1109         if (Nr > 12) {
1110             /* round 12: */
1111             s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1112             s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1113             s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1114             s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1115             /* round 13: */
1116             t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1117             t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1118             t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1119             t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1120         }
1121     }
1122         rk += Nr << 2;
1123 #else  /* !FULL_UNROLL */
1124     /*
1125      * Nr - 1 full rounds:
1126      */
1127     r = Nr >> 1;
1128     for (;;) {
1129         t0 =
1130             Td0[(s0 >> 24)       ] ^
1131             Td1[(s3 >> 16) & 0xff] ^
1132             Td2[(s2 >>  8) & 0xff] ^
1133             Td3[(s1      ) & 0xff] ^
1134             rk[4];
1135         t1 =
1136             Td0[(s1 >> 24)       ] ^
1137             Td1[(s0 >> 16) & 0xff] ^
1138             Td2[(s3 >>  8) & 0xff] ^
1139             Td3[(s2      ) & 0xff] ^
1140             rk[5];
1141         t2 =
1142             Td0[(s2 >> 24)       ] ^
1143             Td1[(s1 >> 16) & 0xff] ^
1144             Td2[(s0 >>  8) & 0xff] ^
1145             Td3[(s3      ) & 0xff] ^
1146             rk[6];
1147         t3 =
1148             Td0[(s3 >> 24)       ] ^
1149             Td1[(s2 >> 16) & 0xff] ^
1150             Td2[(s1 >>  8) & 0xff] ^
1151             Td3[(s0      ) & 0xff] ^
1152             rk[7];
1153
1154         rk += 8;
1155         if (--r == 0) {
1156             break;
1157         }
1158
1159         s0 =
1160             Td0[(t0 >> 24)       ] ^
1161             Td1[(t3 >> 16) & 0xff] ^
1162             Td2[(t2 >>  8) & 0xff] ^
1163             Td3[(t1      ) & 0xff] ^
1164             rk[0];
1165         s1 =
1166             Td0[(t1 >> 24)       ] ^
1167             Td1[(t0 >> 16) & 0xff] ^
1168             Td2[(t3 >>  8) & 0xff] ^
1169             Td3[(t2      ) & 0xff] ^
1170             rk[1];
1171         s2 =
1172             Td0[(t2 >> 24)       ] ^
1173             Td1[(t1 >> 16) & 0xff] ^
1174             Td2[(t0 >>  8) & 0xff] ^
1175             Td3[(t3      ) & 0xff] ^
1176             rk[2];
1177         s3 =
1178             Td0[(t3 >> 24)       ] ^
1179             Td1[(t2 >> 16) & 0xff] ^
1180             Td2[(t1 >>  8) & 0xff] ^
1181             Td3[(t0      ) & 0xff] ^
1182             rk[3];
1183     }
1184 #endif /* ?FULL_UNROLL */
1185     /*
1186          * apply last round and
1187          * map cipher state to byte array block:
1188          */
1189         s0 =
1190                 (Td4[(t0 >> 24)       ] & 0xff000000) ^
1191                 (Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1192                 (Td4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1193                 (Td4[(t1      ) & 0xff] & 0x000000ff) ^
1194                 rk[0];
1195         PUTU32(pt     , s0);
1196         s1 =
1197                 (Td4[(t1 >> 24)       ] & 0xff000000) ^
1198                 (Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1199                 (Td4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1200                 (Td4[(t2      ) & 0xff] & 0x000000ff) ^
1201                 rk[1];
1202         PUTU32(pt +  4, s1);
1203         s2 =
1204                 (Td4[(t2 >> 24)       ] & 0xff000000) ^
1205                 (Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1206                 (Td4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1207                 (Td4[(t3      ) & 0xff] & 0x000000ff) ^
1208                 rk[2];
1209         PUTU32(pt +  8, s2);
1210         s3 =
1211                 (Td4[(t3 >> 24)       ] & 0xff000000) ^
1212                 (Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1213                 (Td4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1214                 (Td4[(t0      ) & 0xff] & 0x000000ff) ^
1215                 rk[3];
1216         PUTU32(pt + 12, s3);
1217 }
1218
1219 void
1220 rijndael_set_key(rijndael_ctx *ctx, u_char *key, int bits, int encrypt)
1221 {
1222         ctx->Nr = rijndaelKeySetupEnc(ctx->ek, key, bits);
1223         if (encrypt) {
1224                 ctx->decrypt = 0;
1225                 memset(ctx->dk, 0, sizeof(ctx->dk));
1226         } else {
1227                 ctx->decrypt = 1;
1228                 memcpy(ctx->dk, ctx->ek, sizeof(ctx->ek));
1229                 rijndaelKeySetupDec(ctx->dk, key, bits, ctx->Nr);
1230         }
1231 }
1232
1233 void
1234 rijndael_decrypt(rijndael_ctx *ctx, u_char *src, u_char *dst)
1235 {
1236         rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst);
1237 }
1238
1239 void
1240 rijndael_encrypt(rijndael_ctx *ctx, u_char *src, u_char *dst)
1241 {
1242         rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst);
1243 }