crypto/openssh/rijndael.c

   1 /*      $OpenBSD: rijndael.c,v 1.18 2014/04/29 15:42:07 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
  29 #include "includes.h"
  30
  31 #include <stdlib.h>
  32 #include <string.h>
  33
  34 #include "rijndael.h"
  35
  36 #undef FULL_UNROLL
  37
  38 /*
  39 Te0[x] = S [x].[02, 01, 01, 03];
  40 Te1[x] = S [x].[03, 02, 01, 01];
  41 Te2[x] = S [x].[01, 03, 02, 01];
  42 Te3[x] = S [x].[01, 01, 03, 02];
  43 Te4[x] = S [x].[01, 01, 01, 01];
  44
  45 Td0[x] = Si[x].[0e, 09, 0d, 0b];
  46 Td1[x] = Si[x].[0b, 0e, 09, 0d];
  47 Td2[x] = Si[x].[0d, 0b, 0e, 09];
  48 Td3[x] = Si[x].[09, 0d, 0b, 0e];
  49 Td4[x] = Si[x].[01, 01, 01, 01];
  50 */
  51
  52 static const u32 Te0[256] = {
  53     0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
  54     0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
  55     0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
  56     0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
  57     0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
  58     0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
  59     0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
  60     0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
  61     0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
  62     0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
  63     0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
  64     0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
  65     0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
  66     0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
  67     0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
  68     0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
  69     0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
  70     0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
  71     0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
  72     0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
  73     0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
  74     0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
  75     0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
  76     0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
  77     0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
  78     0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
  79     0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
  80     0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
  81     0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
  82     0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
  83     0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
  84     0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
  85     0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
  86     0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
  87     0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
  88     0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
  89     0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
  90     0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
  91     0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
  92     0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
  93     0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
  94     0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
  95     0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
  96     0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
  97     0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
  98     0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
  99     0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
 100     0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
 101     0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
 102     0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
 103     0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
 104     0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
 105     0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
 106     0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
 107     0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
 108     0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
 109     0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
 110     0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
 111     0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
 112     0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
 113     0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
 114     0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
 115     0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
 116     0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
 117 };
 118 static const u32 Te1[256] = {
 119     0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
 120     0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
 121     0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
 122     0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
 123     0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
 124     0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
 125     0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
 126     0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
 127     0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
 128     0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
 129     0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
 130     0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
 131     0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
 132     0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
 133     0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
 134     0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
 135     0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
 136     0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
 137     0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
 138     0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
 139     0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
 140     0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
 141     0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
 142     0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
 143     0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
 144     0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
 145     0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
 146     0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
 147     0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
 148     0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
 149     0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
 150     0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
 151     0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
 152     0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
 153     0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
 154     0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
 155     0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
 156     0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
 157     0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
 158     0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
 159     0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
 160     0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
 161     0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
 162     0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
 163     0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
 164     0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
 165     0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
 166     0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
 167     0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
 168     0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
 169     0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
 170     0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
 171     0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
 172     0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
 173     0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
 174     0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
 175     0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
 176     0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
 177     0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
 178     0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
 179     0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
 180     0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
 181     0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
 182     0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
 183 };
 184 static const u32 Te2[256] = {
 185     0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
 186     0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
 187     0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
 188     0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
 189     0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
 190     0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
 191     0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
 192     0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
 193     0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
 194     0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
 195     0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
 196     0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
 197     0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
 198     0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
 199     0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
 200     0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
 201     0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
 202     0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
 203     0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
 204     0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
 205     0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
 206     0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
 207     0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
 208     0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
 209     0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
 210     0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
 211     0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
 212     0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
 213     0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
 214     0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
 215     0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
 216     0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
 217     0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
 218     0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
 219     0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
 220     0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
 221     0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
 222     0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
 223     0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
 224     0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
 225     0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
 226     0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
 227     0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
 228     0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
 229     0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
 230     0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
 231     0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
 232     0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
 233     0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
 234     0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
 235     0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
 236     0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
 237     0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
 238     0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
 239     0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
 240     0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
 241     0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
 242     0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
 243     0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
 244     0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
 245     0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
 246     0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
 247     0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
 248     0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
 249 };
 250 static const u32 Te3[256] = {
 251     0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
 252     0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
 253     0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
 254     0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
 255     0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
 256     0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
 257     0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
 258     0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
 259     0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
 260     0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
 261     0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
 262     0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
 263     0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
 264     0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
 265     0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
 266     0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
 267     0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
 268     0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
 269     0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
 270     0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
 271     0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
 272     0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
 273     0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
 274     0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
 275     0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
 276     0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
 277     0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
 278     0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
 279     0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
 280     0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
 281     0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
 282     0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
 283     0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
 284     0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
 285     0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
 286     0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
 287     0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
 288     0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
 289     0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
 290     0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
 291     0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
 292     0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
 293     0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
 294     0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
 295     0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
 296     0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
 297     0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
 298     0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
 299     0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
 300     0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
 301     0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
 302     0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
 303     0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
 304     0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
 305     0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
 306     0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
 307     0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
 308     0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
 309     0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
 310     0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
 311     0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
 312     0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
 313     0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
 314     0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
 315 };
 316 static const u32 Te4[256] = {
 317     0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
 318     0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
 319     0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
 320     0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
 321     0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
 322     0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
 323     0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
 324     0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
 325     0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
 326     0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
 327     0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
 328     0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
 329     0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
 330     0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
 331     0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
 332     0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
 333     0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
 334     0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
 335     0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
 336     0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
 337     0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
 338     0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
 339     0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
 340     0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
 341     0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
 342     0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
 343     0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
 344     0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
 345     0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
 346     0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
 347     0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
 348     0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
 349     0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
 350     0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
 351     0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
 352     0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
 353     0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
 354     0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
 355     0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
 356     0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
 357     0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
 358     0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
 359     0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
 360     0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
 361     0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
 362     0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
 363     0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
 364     0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
 365     0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
 366     0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
 367     0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
 368     0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
 369     0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
 370     0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
 371     0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
 372     0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
 373     0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
 374     0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
 375     0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
 376     0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
 377     0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
 378     0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
 379     0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
 380     0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
 381 };
 382 static const u32 Td0[256] = {
 383     0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
 384     0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
 385     0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
 386     0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
 387     0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
 388     0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
 389     0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
 390     0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
 391     0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
 392     0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
 393     0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
 394     0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
 395     0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
 396     0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
 397     0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
 398     0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
 399     0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
 400     0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
 401     0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
 402     0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
 403     0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
 404     0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
 405     0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
 406     0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
 407     0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
 408     0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
 409     0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
 410     0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
 411     0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
 412     0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
 413     0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
 414     0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
 415     0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
 416     0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
 417     0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
 418     0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
 419     0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
 420     0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
 421     0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
 422     0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
 423     0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
 424     0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
 425     0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
 426     0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
 427     0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
 428     0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
 429     0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
 430     0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
 431     0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
 432     0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
 433     0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
 434     0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
 435     0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
 436     0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
 437     0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
 438     0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
 439     0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
 440     0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
 441     0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
 442     0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
 443     0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
 444     0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
 445     0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
 446     0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
 447 };
 448 static const u32 Td1[256] = {
 449     0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
 450     0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
 451     0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
 452     0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
 453     0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
 454     0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
 455     0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
 456     0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
 457     0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
 458     0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
 459     0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
 460     0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
 461     0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
 462     0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
 463     0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
 464     0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
 465     0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
 466     0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
 467     0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
 468     0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
 469     0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
 470     0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
 471     0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
 472     0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
 473     0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
 474     0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
 475     0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
 476     0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
 477     0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
 478     0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
 479     0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
 480     0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
 481     0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
 482     0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
 483     0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
 484     0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
 485     0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
 486     0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
 487     0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
 488     0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
 489     0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
 490     0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
 491     0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
 492     0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
 493     0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
 494     0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
 495     0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
 496     0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
 497     0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
 498     0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
 499     0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
 500     0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
 501     0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
 502     0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
 503     0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
 504     0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
 505     0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
 506     0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
 507     0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
 508     0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
 509     0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
 510     0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
 511     0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
 512     0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
 513 };
 514 static const u32 Td2[256] = {
 515     0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
 516     0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
 517     0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
 518     0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
 519     0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
 520     0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
 521     0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
 522     0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
 523     0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
 524     0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
 525     0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
 526     0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
 527     0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
 528     0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
 529     0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
 530     0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
 531     0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
 532     0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
 533     0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
 534     0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
 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 #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
 719 #define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
 720
 721 /**
 722  * Expand the cipher key into the encryption key schedule.
 723  *
 724  * @return      the number of rounds for the given cipher key size.
 725  */
 726 int
 727 rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits)
 728 {
 729         int i = 0;
 730         u32 temp;
 731
 732         rk[0] = GETU32(cipherKey     );
 733         rk[1] = GETU32(cipherKey +  4);
 734         rk[2] = GETU32(cipherKey +  8);
 735         rk[3] = GETU32(cipherKey + 12);
 736         if (keyBits == 128) {
 737                 for (;;) {
 738                         temp  = rk[3];
 739                         rk[4] = rk[0] ^
 740                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 741                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 742                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 743                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
 744                                 rcon[i];
 745                         rk[5] = rk[1] ^ rk[4];
 746                         rk[6] = rk[2] ^ rk[5];
 747                         rk[7] = rk[3] ^ rk[6];
 748                         if (++i == 10) {
 749                                 return 10;
 750                         }
 751                         rk += 4;
 752                 }
 753         }
 754         rk[4] = GETU32(cipherKey + 16);
 755         rk[5] = GETU32(cipherKey + 20);
 756         if (keyBits == 192) {
 757                 for (;;) {
 758                         temp = rk[ 5];
 759                         rk[ 6] = rk[ 0] ^
 760                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 761                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 762                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 763                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
 764                                 rcon[i];
 765                         rk[ 7] = rk[ 1] ^ rk[ 6];
 766                         rk[ 8] = rk[ 2] ^ rk[ 7];
 767                         rk[ 9] = rk[ 3] ^ rk[ 8];
 768                         if (++i == 8) {
 769                                 return 12;
 770                         }
 771                         rk[10] = rk[ 4] ^ rk[ 9];
 772                         rk[11] = rk[ 5] ^ rk[10];
 773                         rk += 6;
 774                 }
 775         }
 776         rk[6] = GETU32(cipherKey + 24);
 777         rk[7] = GETU32(cipherKey + 28);
 778         if (keyBits == 256) {
 779                 for (;;) {
 780                         temp = rk[ 7];
 781                         rk[ 8] = rk[ 0] ^
 782                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
 783                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
 784                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
 785                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
 786                                 rcon[i];
 787                         rk[ 9] = rk[ 1] ^ rk[ 8];
 788                         rk[10] = rk[ 2] ^ rk[ 9];
 789                         rk[11] = rk[ 3] ^ rk[10];
 790                         if (++i == 7) {
 791                                 return 14;
 792                         }
 793                         temp = rk[11];
 794                         rk[12] = rk[ 4] ^
 795                                 (Te4[(temp >> 24)       ] & 0xff000000) ^
 796                                 (Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
 797                                 (Te4[(temp >>  8) & 0xff] & 0x0000ff00) ^
 798                                 (Te4[(temp      ) & 0xff] & 0x000000ff);
 799                         rk[13] = rk[ 5] ^ rk[12];
 800                         rk[14] = rk[ 6] ^ rk[13];
 801                         rk[15] = rk[ 7] ^ rk[14];
 802                         rk += 8;
 803                 }
 804         }
 805         return 0;
 806 }
 807
 808 /**
 809  * Expand the cipher key into the decryption key schedule.
 810  *
 811  * @return      the number of rounds for the given cipher key size.
 812  */
 813 int
 814 rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits,
 815     int have_encrypt)
 816 {
 817         int Nr, i, j;
 818         u32 temp;
 819
 820         /* expand the cipher key: */
 821         if (have_encrypt > 0) {
 822                 /* Already done */
 823                 Nr = have_encrypt;
 824         } else {
 825                 Nr = rijndaelKeySetupEnc(rk, cipherKey, keyBits);
 826         }
 827
 828         /* invert the order of the round keys: */
 829         for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
 830                 temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
 831                 temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
 832                 temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
 833                 temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
 834         }
 835         /* apply the inverse MixColumn transform to all round keys but the first and the last: */
 836         for (i = 1; i < Nr; i++) {
 837                 rk += 4;
 838                 rk[0] =
 839                         Td0[Te4[(rk[0] >> 24)       ] & 0xff] ^
 840                         Td1[Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
 841                         Td2[Te4[(rk[0] >>  8) & 0xff] & 0xff] ^
 842                         Td3[Te4[(rk[0]      ) & 0xff] & 0xff];
 843                 rk[1] =
 844                         Td0[Te4[(rk[1] >> 24)       ] & 0xff] ^
 845                         Td1[Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
 846                         Td2[Te4[(rk[1] >>  8) & 0xff] & 0xff] ^
 847                         Td3[Te4[(rk[1]      ) & 0xff] & 0xff];
 848                 rk[2] =
 849                         Td0[Te4[(rk[2] >> 24)       ] & 0xff] ^
 850                         Td1[Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
 851                         Td2[Te4[(rk[2] >>  8) & 0xff] & 0xff] ^
 852                         Td3[Te4[(rk[2]      ) & 0xff] & 0xff];
 853                 rk[3] =
 854                         Td0[Te4[(rk[3] >> 24)       ] & 0xff] ^
 855                         Td1[Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
 856                         Td2[Te4[(rk[3] >>  8) & 0xff] & 0xff] ^
 857                         Td3[Te4[(rk[3]      ) & 0xff] & 0xff];
 858         }
 859         return Nr;
 860 }
 861
 862 void
 863 rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16],
 864     u8 ct[16])
 865 {
 866         u32 s0, s1, s2, s3, t0, t1, t2, t3;
 867 #ifndef FULL_UNROLL
 868     int r;
 869 #endif /* ?FULL_UNROLL */
 870
 871     /*
 872          * map byte array block to cipher state
 873          * and add initial round key:
 874          */
 875         s0 = GETU32(pt     ) ^ rk[0];
 876         s1 = GETU32(pt +  4) ^ rk[1];
 877         s2 = GETU32(pt +  8) ^ rk[2];
 878         s3 = GETU32(pt + 12) ^ rk[3];
 879 #ifdef FULL_UNROLL
 880     /* round 1: */
 881         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
 882         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
 883         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
 884         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
 885         /* round 2: */
 886         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
 887         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
 888         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
 889         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
 890     /* round 3: */
 891         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
 892         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
 893         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
 894         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
 895         /* round 4: */
 896         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
 897         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
 898         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
 899         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
 900     /* round 5: */
 901         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
 902         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
 903         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
 904         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
 905         /* round 6: */
 906         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
 907         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
 908         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
 909         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
 910     /* round 7: */
 911         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
 912         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
 913         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
 914         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
 915         /* round 8: */
 916         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
 917         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
 918         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
 919         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
 920     /* round 9: */
 921         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
 922         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
 923         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
 924         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
 925     if (Nr > 10) {
 926         /* round 10: */
 927         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
 928         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
 929         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
 930         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
 931         /* round 11: */
 932         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
 933         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
 934         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
 935         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
 936         if (Nr > 12) {
 937             /* round 12: */
 938             s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
 939             s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
 940             s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
 941             s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
 942             /* round 13: */
 943             t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
 944             t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
 945             t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
 946             t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
 947         }
 948     }
 949     rk += Nr << 2;
 950 #else  /* !FULL_UNROLL */
 951     /*
 952          * Nr - 1 full rounds:
 953          */
 954     r = Nr >> 1;
 955     for (;;) {
 956         t0 =
 957             Te0[(s0 >> 24)       ] ^
 958             Te1[(s1 >> 16) & 0xff] ^
 959             Te2[(s2 >>  8) & 0xff] ^
 960             Te3[(s3      ) & 0xff] ^
 961             rk[4];
 962         t1 =
 963             Te0[(s1 >> 24)       ] ^
 964             Te1[(s2 >> 16) & 0xff] ^
 965             Te2[(s3 >>  8) & 0xff] ^
 966             Te3[(s0      ) & 0xff] ^
 967             rk[5];
 968         t2 =
 969             Te0[(s2 >> 24)       ] ^
 970             Te1[(s3 >> 16) & 0xff] ^
 971             Te2[(s0 >>  8) & 0xff] ^
 972             Te3[(s1      ) & 0xff] ^
 973             rk[6];
 974         t3 =
 975             Te0[(s3 >> 24)       ] ^
 976             Te1[(s0 >> 16) & 0xff] ^
 977             Te2[(s1 >>  8) & 0xff] ^
 978             Te3[(s2      ) & 0xff] ^
 979             rk[7];
 980
 981         rk += 8;
 982         if (--r == 0) {
 983             break;
 984         }
 985
 986         s0 =
 987             Te0[(t0 >> 24)       ] ^
 988             Te1[(t1 >> 16) & 0xff] ^
 989             Te2[(t2 >>  8) & 0xff] ^
 990             Te3[(t3      ) & 0xff] ^
 991             rk[0];
 992         s1 =
 993             Te0[(t1 >> 24)       ] ^
 994             Te1[(t2 >> 16) & 0xff] ^
 995             Te2[(t3 >>  8) & 0xff] ^
 996             Te3[(t0      ) & 0xff] ^
 997             rk[1];
 998         s2 =
 999             Te0[(t2 >> 24)       ] ^
1000             Te1[(t3 >> 16) & 0xff] ^
1001             Te2[(t0 >>  8) & 0xff] ^
1002             Te3[(t1      ) & 0xff] ^
1003             rk[2];
1004         s3 =
1005             Te0[(t3 >> 24)       ] ^
1006             Te1[(t0 >> 16) & 0xff] ^
1007             Te2[(t1 >>  8) & 0xff] ^
1008             Te3[(t2      ) & 0xff] ^
1009             rk[3];
1010     }
1011 #endif /* ?FULL_UNROLL */
1012     /*
1013          * apply last round and
1014          * map cipher state to byte array block:
1015          */
1016         s0 =
1017                 (Te4[(t0 >> 24)       ] & 0xff000000) ^
1018                 (Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1019                 (Te4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1020                 (Te4[(t3      ) & 0xff] & 0x000000ff) ^
1021                 rk[0];
1022         PUTU32(ct     , s0);
1023         s1 =
1024                 (Te4[(t1 >> 24)       ] & 0xff000000) ^
1025                 (Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1026                 (Te4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1027                 (Te4[(t0      ) & 0xff] & 0x000000ff) ^
1028                 rk[1];
1029         PUTU32(ct +  4, s1);
1030         s2 =
1031                 (Te4[(t2 >> 24)       ] & 0xff000000) ^
1032                 (Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1033                 (Te4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1034                 (Te4[(t1      ) & 0xff] & 0x000000ff) ^
1035                 rk[2];
1036         PUTU32(ct +  8, s2);
1037         s3 =
1038                 (Te4[(t3 >> 24)       ] & 0xff000000) ^
1039                 (Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1040                 (Te4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1041                 (Te4[(t2      ) & 0xff] & 0x000000ff) ^
1042                 rk[3];
1043         PUTU32(ct + 12, s3);
1044 }
1045
1046 static void
1047 rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16],
1048     u8 pt[16])
1049 {
1050         u32 s0, s1, s2, s3, t0, t1, t2, t3;
1051 #ifndef FULL_UNROLL
1052     int r;
1053 #endif /* ?FULL_UNROLL */
1054
1055     /*
1056          * map byte array block to cipher state
1057          * and add initial round key:
1058          */
1059     s0 = GETU32(ct     ) ^ rk[0];
1060     s1 = GETU32(ct +  4) ^ rk[1];
1061     s2 = GETU32(ct +  8) ^ rk[2];
1062     s3 = GETU32(ct + 12) ^ rk[3];
1063 #ifdef FULL_UNROLL
1064     /* round 1: */
1065     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1066     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1067     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1068     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1069     /* round 2: */
1070     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1071     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1072     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1073     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1074     /* round 3: */
1075     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1076     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1077     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1078     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1079     /* round 4: */
1080     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1081     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1082     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1083     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1084     /* round 5: */
1085     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1086     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1087     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1088     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1089     /* round 6: */
1090     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1091     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1092     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1093     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1094     /* round 7: */
1095     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1096     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1097     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1098     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1099     /* round 8: */
1100     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1101     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1102     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1103     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1104     /* round 9: */
1105     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1106     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1107     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1108     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1109     if (Nr > 10) {
1110         /* round 10: */
1111         s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1112         s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1113         s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1114         s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1115         /* round 11: */
1116         t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1117         t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1118         t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1119         t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1120         if (Nr > 12) {
1121             /* round 12: */
1122             s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1123             s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1124             s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1125             s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1126             /* round 13: */
1127             t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1128             t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1129             t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1130             t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1131         }
1132     }
1133         rk += Nr << 2;
1134 #else  /* !FULL_UNROLL */
1135     /*
1136      * Nr - 1 full rounds:
1137      */
1138     r = Nr >> 1;
1139     for (;;) {
1140         t0 =
1141             Td0[(s0 >> 24)       ] ^
1142             Td1[(s3 >> 16) & 0xff] ^
1143             Td2[(s2 >>  8) & 0xff] ^
1144             Td3[(s1      ) & 0xff] ^
1145             rk[4];
1146         t1 =
1147             Td0[(s1 >> 24)       ] ^
1148             Td1[(s0 >> 16) & 0xff] ^
1149             Td2[(s3 >>  8) & 0xff] ^
1150             Td3[(s2      ) & 0xff] ^
1151             rk[5];
1152         t2 =
1153             Td0[(s2 >> 24)       ] ^
1154             Td1[(s1 >> 16) & 0xff] ^
1155             Td2[(s0 >>  8) & 0xff] ^
1156             Td3[(s3      ) & 0xff] ^
1157             rk[6];
1158         t3 =
1159             Td0[(s3 >> 24)       ] ^
1160             Td1[(s2 >> 16) & 0xff] ^
1161             Td2[(s1 >>  8) & 0xff] ^
1162             Td3[(s0      ) & 0xff] ^
1163             rk[7];
1164
1165         rk += 8;
1166         if (--r == 0) {
1167             break;
1168         }
1169
1170         s0 =
1171             Td0[(t0 >> 24)       ] ^
1172             Td1[(t3 >> 16) & 0xff] ^
1173             Td2[(t2 >>  8) & 0xff] ^
1174             Td3[(t1      ) & 0xff] ^
1175             rk[0];
1176         s1 =
1177             Td0[(t1 >> 24)       ] ^
1178             Td1[(t0 >> 16) & 0xff] ^
1179             Td2[(t3 >>  8) & 0xff] ^
1180             Td3[(t2      ) & 0xff] ^
1181             rk[1];
1182         s2 =
1183             Td0[(t2 >> 24)       ] ^
1184             Td1[(t1 >> 16) & 0xff] ^
1185             Td2[(t0 >>  8) & 0xff] ^
1186             Td3[(t3      ) & 0xff] ^
1187             rk[2];
1188         s3 =
1189             Td0[(t3 >> 24)       ] ^
1190             Td1[(t2 >> 16) & 0xff] ^
1191             Td2[(t1 >>  8) & 0xff] ^
1192             Td3[(t0      ) & 0xff] ^
1193             rk[3];
1194     }
1195 #endif /* ?FULL_UNROLL */
1196     /*
1197          * apply last round and
1198          * map cipher state to byte array block:
1199          */
1200         s0 =
1201                 (Td4[(t0 >> 24)       ] & 0xff000000) ^
1202                 (Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1203                 (Td4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1204                 (Td4[(t1      ) & 0xff] & 0x000000ff) ^
1205                 rk[0];
1206         PUTU32(pt     , s0);
1207         s1 =
1208                 (Td4[(t1 >> 24)       ] & 0xff000000) ^
1209                 (Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1210                 (Td4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1211                 (Td4[(t2      ) & 0xff] & 0x000000ff) ^
1212                 rk[1];
1213         PUTU32(pt +  4, s1);
1214         s2 =
1215                 (Td4[(t2 >> 24)       ] & 0xff000000) ^
1216                 (Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1217                 (Td4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1218                 (Td4[(t3      ) & 0xff] & 0x000000ff) ^
1219                 rk[2];
1220         PUTU32(pt +  8, s2);
1221         s3 =
1222                 (Td4[(t3 >> 24)       ] & 0xff000000) ^
1223                 (Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1224                 (Td4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1225                 (Td4[(t0      ) & 0xff] & 0x000000ff) ^
1226                 rk[3];
1227         PUTU32(pt + 12, s3);
1228 }
1229
1230 void
1231 rijndael_set_key(rijndael_ctx *ctx, u_char *key, int bits, int do_encrypt)
1232 {
1233         ctx->Nr = rijndaelKeySetupEnc(ctx->ek, key, bits);
1234         if (do_encrypt) {
1235                 ctx->decrypt = 0;
1236                 memset(ctx->dk, 0, sizeof(ctx->dk));
1237         } else {
1238                 ctx->decrypt = 1;
1239                 memcpy(ctx->dk, ctx->ek, sizeof(ctx->dk));
1240                 rijndaelKeySetupDec(ctx->dk, key, bits, ctx->Nr);
1241         }
1242 }
1243
1244 void
1245 rijndael_decrypt(rijndael_ctx *ctx, u_char *src, u_char *dst)
1246 {
1247         rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst);
1248 }
1249
1250 void
1251 rijndael_encrypt(rijndael_ctx *ctx, u_char *src, u_char *dst)
1252 {
1253         rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst);
1254 }