crypto/openssh/rijndael.c

   1 /*      $OpenBSD: rijndael.c,v 1.20 2015/03/16 11:09:52 djm 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
  44 Td0[x] = Si[x].[0e, 09, 0d, 0b];
  45 Td1[x] = Si[x].[0b, 0e, 09, 0d];
  46 Td2[x] = Si[x].[0d, 0b, 0e, 09];
  47 Td3[x] = Si[x].[09, 0d, 0b, 0e];
  48 Td4[x] = Si[x].[01];
  49 */
  50
  51 static const u32 Te0[256] = {
  52     0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
  53     0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
  54     0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
  55     0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
  56     0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
  57     0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
  58     0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
  59     0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
  60     0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
  61     0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
  62     0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
  63     0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
  64     0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
  65     0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
  66     0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
  67     0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
  68     0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
  69     0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
  70     0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
  71     0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
  72     0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
  73     0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
  74     0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
  75     0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
  76     0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
  77     0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
  78     0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
  79     0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
  80     0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
  81     0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
  82     0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
  83     0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
  84     0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
  85     0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
  86     0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
  87     0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
  88     0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
  89     0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
  90     0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
  91     0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
  92     0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
  93     0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
  94     0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
  95     0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
  96     0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
  97     0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
  98     0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
  99     0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
 100     0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
 101     0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
 102     0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
 103     0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
 104     0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
 105     0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
 106     0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
 107     0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
 108     0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
 109     0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
 110     0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
 111     0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
 112     0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
 113     0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
 114     0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
 115     0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
 116 };
 117 static const u32 Te1[256] = {
 118     0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
 119     0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
 120     0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
 121     0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
 122     0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
 123     0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
 124     0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
 125     0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
 126     0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
 127     0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
 128     0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
 129     0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
 130     0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
 131     0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
 132     0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
 133     0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
 134     0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
 135     0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
 136     0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
 137     0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
 138     0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
 139     0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
 140     0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
 141     0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
 142     0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
 143     0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
 144     0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
 145     0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
 146     0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
 147     0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
 148     0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
 149     0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
 150     0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
 151     0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
 152     0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
 153     0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
 154     0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
 155     0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
 156     0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
 157     0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
 158     0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
 159     0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
 160     0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
 161     0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
 162     0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
 163     0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
 164     0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
 165     0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
 166     0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
 167     0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
 168     0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
 169     0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
 170     0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
 171     0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
 172     0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
 173     0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
 174     0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
 175     0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
 176     0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
 177     0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
 178     0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
 179     0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
 180     0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
 181     0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
 182 };
 183 static const u32 Te2[256] = {
 184     0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
 185     0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
 186     0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
 187     0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
 188     0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
 189     0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
 190     0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
 191     0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
 192     0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
 193     0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
 194     0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
 195     0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
 196     0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
 197     0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
 198     0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
 199     0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
 200     0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
 201     0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
 202     0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
 203     0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
 204     0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
 205     0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
 206     0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
 207     0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
 208     0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
 209     0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
 210     0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
 211     0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
 212     0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
 213     0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
 214     0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
 215     0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
 216     0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
 217     0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
 218     0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
 219     0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
 220     0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
 221     0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
 222     0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
 223     0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
 224     0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
 225     0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
 226     0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
 227     0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
 228     0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
 229     0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
 230     0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
 231     0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
 232     0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
 233     0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
 234     0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
 235     0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
 236     0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
 237     0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
 238     0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
 239     0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
 240     0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
 241     0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
 242     0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
 243     0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
 244     0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
 245     0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
 246     0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
 247     0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
 248 };
 249 static const u32 Te3[256] = {
 250     0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
 251     0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
 252     0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
 253     0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
 254     0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
 255     0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
 256     0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
 257     0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
 258     0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
 259     0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
 260     0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
 261     0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
 262     0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
 263     0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
 264     0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
 265     0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
 266     0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
 267     0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
 268     0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
 269     0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
 270     0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
 271     0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
 272     0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
 273     0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
 274     0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
 275     0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
 276     0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
 277     0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
 278     0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
 279     0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
 280     0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
 281     0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
 282     0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
 283     0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
 284     0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
 285     0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
 286     0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
 287     0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
 288     0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
 289     0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
 290     0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
 291     0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
 292     0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
 293     0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
 294     0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
 295     0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
 296     0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
 297     0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
 298     0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
 299     0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
 300     0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
 301     0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
 302     0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
 303     0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
 304     0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
 305     0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
 306     0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
 307     0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
 308     0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
 309     0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
 310     0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
 311     0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
 312     0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
 313     0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
 314 };
 315 #if 0
 316 static const u32 Td0[256] = {
 317     0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
 318     0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
 319     0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
 320     0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
 321     0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
 322     0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
 323     0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
 324     0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
 325     0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
 326     0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
 327     0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
 328     0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
 329     0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
 330     0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
 331     0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
 332     0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
 333     0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
 334     0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
 335     0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
 336     0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
 337     0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
 338     0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
 339     0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
 340     0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
 341     0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
 342     0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
 343     0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
 344     0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
 345     0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
 346     0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
 347     0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
 348     0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
 349     0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
 350     0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
 351     0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
 352     0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
 353     0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
 354     0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
 355     0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
 356     0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
 357     0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
 358     0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
 359     0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
 360     0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
 361     0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
 362     0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
 363     0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
 364     0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
 365     0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
 366     0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
 367     0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
 368     0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
 369     0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
 370     0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
 371     0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
 372     0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
 373     0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
 374     0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
 375     0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
 376     0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
 377     0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
 378     0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
 379     0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
 380     0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
 381 };
 382 static const u32 Td1[256] = {
 383     0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
 384     0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
 385     0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
 386     0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
 387     0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
 388     0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
 389     0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
 390     0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
 391     0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
 392     0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
 393     0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
 394     0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
 395     0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
 396     0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
 397     0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
 398     0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
 399     0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
 400     0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
 401     0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
 402     0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
 403     0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
 404     0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
 405     0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
 406     0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
 407     0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
 408     0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
 409     0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
 410     0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
 411     0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
 412     0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
 413     0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
 414     0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
 415     0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
 416     0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
 417     0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
 418     0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
 419     0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
 420     0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
 421     0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
 422     0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
 423     0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
 424     0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
 425     0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
 426     0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
 427     0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
 428     0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
 429     0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
 430     0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
 431     0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
 432     0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
 433     0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
 434     0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
 435     0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
 436     0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
 437     0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
 438     0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
 439     0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
 440     0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
 441     0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
 442     0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
 443     0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
 444     0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
 445     0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
 446     0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
 447 };
 448 static const u32 Td2[256] = {
 449     0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
 450     0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
 451     0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
 452     0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
 453     0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
 454     0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
 455     0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
 456     0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
 457     0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
 458     0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
 459     0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
 460     0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
 461     0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
 462     0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
 463     0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
 464     0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
 465     0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
 466     0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
 467     0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
 468     0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
 469     0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
 470     0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
 471     0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
 472     0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
 473     0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
 474     0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
 475     0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
 476     0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
 477     0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
 478     0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
 479     0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
 480     0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
 481     0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
 482     0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
 483     0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
 484     0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
 485     0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
 486     0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
 487     0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
 488     0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
 489     0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
 490     0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
 491     0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
 492     0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
 493     0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
 494     0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
 495     0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
 496     0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
 497     0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
 498     0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
 499     0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
 500     0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
 501     0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
 502     0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
 503     0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
 504     0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
 505     0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
 506     0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
 507     0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
 508     0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
 509     0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
 510     0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
 511     0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
 512     0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
 513 };
 514 static const u32 Td3[256] = {
 515     0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
 516     0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
 517     0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
 518     0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
 519     0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
 520     0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
 521     0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
 522     0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
 523     0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
 524     0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
 525     0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
 526     0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
 527     0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
 528     0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
 529     0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
 530     0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
 531     0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
 532     0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
 533     0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
 534     0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
 535     0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
 536     0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
 537     0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
 538     0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
 539     0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
 540     0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
 541     0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
 542     0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
 543     0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
 544     0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
 545     0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
 546     0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
 547     0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
 548     0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
 549     0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
 550     0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
 551     0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
 552     0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
 553     0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
 554     0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
 555     0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
 556     0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
 557     0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
 558     0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
 559     0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
 560     0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
 561     0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
 562     0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
 563     0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
 564     0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
 565     0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
 566     0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
 567     0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
 568     0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
 569     0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
 570     0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
 571     0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
 572     0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
 573     0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
 574     0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
 575     0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
 576     0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
 577     0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
 578     0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
 579 };
 580 static const u8 Td4[256] = {
 581     0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U,
 582     0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU,
 583     0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U,
 584     0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU,
 585     0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU,
 586     0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU,
 587     0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U,
 588     0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U,
 589     0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U,
 590     0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U,
 591     0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU,
 592     0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U,
 593     0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU,
 594     0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U,
 595     0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U,
 596     0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU,
 597     0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU,
 598     0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U,
 599     0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U,
 600     0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU,
 601     0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U,
 602     0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU,
 603     0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U,
 604     0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U,
 605     0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U,
 606     0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU,
 607     0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU,
 608     0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU,
 609     0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U,
 610     0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U,
 611     0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U,
 612     0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU,
 613 };
 614 #endif
 615 static const u32 rcon[] = {
 616         0x01000000, 0x02000000, 0x04000000, 0x08000000,
 617         0x10000000, 0x20000000, 0x40000000, 0x80000000,
 618         0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
 619 };
 620
 621 #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
 622 #define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
 623
 624 /**
 625  * Expand the cipher key into the encryption key schedule.
 626  *
 627  * @return      the number of rounds for the given cipher key size.
 628  */
 629 int
 630 rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits)
 631 {
 632         int i = 0;
 633         u32 temp;
 634
 635         rk[0] = GETU32(cipherKey     );
 636         rk[1] = GETU32(cipherKey +  4);
 637         rk[2] = GETU32(cipherKey +  8);
 638         rk[3] = GETU32(cipherKey + 12);
 639         if (keyBits == 128) {
 640                 for (;;) {
 641                         temp  = rk[3];
 642                         rk[4] = rk[0] ^
 643                                 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
 644                                 (Te3[(temp >>  8) & 0xff] & 0x00ff0000) ^
 645                                 (Te0[(temp      ) & 0xff] & 0x0000ff00) ^
 646                                 (Te1[(temp >> 24)       ] & 0x000000ff) ^
 647                                 rcon[i];
 648                         rk[5] = rk[1] ^ rk[4];
 649                         rk[6] = rk[2] ^ rk[5];
 650                         rk[7] = rk[3] ^ rk[6];
 651                         if (++i == 10) {
 652                                 return 10;
 653                         }
 654                         rk += 4;
 655                 }
 656         }
 657         rk[4] = GETU32(cipherKey + 16);
 658         rk[5] = GETU32(cipherKey + 20);
 659         if (keyBits == 192) {
 660                 for (;;) {
 661                         temp = rk[ 5];
 662                         rk[ 6] = rk[ 0] ^
 663                                 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
 664                                 (Te3[(temp >>  8) & 0xff] & 0x00ff0000) ^
 665                                 (Te0[(temp      ) & 0xff] & 0x0000ff00) ^
 666                                 (Te1[(temp >> 24)       ] & 0x000000ff) ^
 667                                 rcon[i];
 668                         rk[ 7] = rk[ 1] ^ rk[ 6];
 669                         rk[ 8] = rk[ 2] ^ rk[ 7];
 670                         rk[ 9] = rk[ 3] ^ rk[ 8];
 671                         if (++i == 8) {
 672                                 return 12;
 673                         }
 674                         rk[10] = rk[ 4] ^ rk[ 9];
 675                         rk[11] = rk[ 5] ^ rk[10];
 676                         rk += 6;
 677                 }
 678         }
 679         rk[6] = GETU32(cipherKey + 24);
 680         rk[7] = GETU32(cipherKey + 28);
 681         if (keyBits == 256) {
 682                 for (;;) {
 683                         temp = rk[ 7];
 684                         rk[ 8] = rk[ 0] ^
 685                                 (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
 686                                 (Te3[(temp >>  8) & 0xff] & 0x00ff0000) ^
 687                                 (Te0[(temp      ) & 0xff] & 0x0000ff00) ^
 688                                 (Te1[(temp >> 24)       ] & 0x000000ff) ^
 689                                 rcon[i];
 690                         rk[ 9] = rk[ 1] ^ rk[ 8];
 691                         rk[10] = rk[ 2] ^ rk[ 9];
 692                         rk[11] = rk[ 3] ^ rk[10];
 693                         if (++i == 7) {
 694                                 return 14;
 695                         }
 696                         temp = rk[11];
 697                         rk[12] = rk[ 4] ^
 698                                 (Te2[(temp >> 24)       ] & 0xff000000) ^
 699                                 (Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^
 700                                 (Te0[(temp >>  8) & 0xff] & 0x0000ff00) ^
 701                                 (Te1[(temp      ) & 0xff] & 0x000000ff);
 702                         rk[13] = rk[ 5] ^ rk[12];
 703                         rk[14] = rk[ 6] ^ rk[13];
 704                         rk[15] = rk[ 7] ^ rk[14];
 705                         rk += 8;
 706                 }
 707         }
 708         return 0;
 709 }
 710
 711 #if 0
 712 /**
 713  * Expand the cipher key into the decryption key schedule.
 714  *
 715  * @return      the number of rounds for the given cipher key size.
 716  */
 717 int
 718 rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits)
 719 {
 720         int Nr, i, j;
 721         u32 temp;
 722
 723         /* expand the cipher key: */
 724         Nr = rijndaelKeySetupEnc(rk, cipherKey, keyBits);
 725
 726         /* invert the order of the round keys: */
 727         for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
 728                 temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
 729                 temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
 730                 temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
 731                 temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
 732         }
 733         /* apply the inverse MixColumn transform to all round keys but the first and the last: */
 734         for (i = 1; i < Nr; i++) {
 735                 rk += 4;
 736                 rk[0] =
 737                         Td0[Te1[(rk[0] >> 24)       ] & 0xff] ^
 738                         Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^
 739                         Td2[Te1[(rk[0] >>  8) & 0xff] & 0xff] ^
 740                         Td3[Te1[(rk[0]      ) & 0xff] & 0xff];
 741                 rk[1] =
 742                         Td0[Te1[(rk[1] >> 24)       ] & 0xff] ^
 743                         Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^
 744                         Td2[Te1[(rk[1] >>  8) & 0xff] & 0xff] ^
 745                         Td3[Te1[(rk[1]      ) & 0xff] & 0xff];
 746                 rk[2] =
 747                         Td0[Te1[(rk[2] >> 24)       ] & 0xff] ^
 748                         Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^
 749                         Td2[Te1[(rk[2] >>  8) & 0xff] & 0xff] ^
 750                         Td3[Te1[(rk[2]      ) & 0xff] & 0xff];
 751                 rk[3] =
 752                         Td0[Te1[(rk[3] >> 24)       ] & 0xff] ^
 753                         Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^
 754                         Td2[Te1[(rk[3] >>  8) & 0xff] & 0xff] ^
 755                         Td3[Te1[(rk[3]      ) & 0xff] & 0xff];
 756         }
 757         return Nr;
 758 }
 759 #endif
 760
 761 void
 762 rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16],
 763     u8 ct[16])
 764 {
 765         u32 s0, s1, s2, s3, t0, t1, t2, t3;
 766 #ifndef FULL_UNROLL
 767     int r;
 768 #endif /* ?FULL_UNROLL */
 769
 770     /*
 771          * map byte array block to cipher state
 772          * and add initial round key:
 773          */
 774         s0 = GETU32(pt     ) ^ rk[0];
 775         s1 = GETU32(pt +  4) ^ rk[1];
 776         s2 = GETU32(pt +  8) ^ rk[2];
 777         s3 = GETU32(pt + 12) ^ rk[3];
 778 #ifdef FULL_UNROLL
 779     /* round 1: */
 780         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
 781         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
 782         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
 783         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
 784         /* round 2: */
 785         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
 786         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
 787         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
 788         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
 789     /* round 3: */
 790         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
 791         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
 792         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
 793         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
 794         /* round 4: */
 795         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
 796         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
 797         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
 798         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
 799     /* round 5: */
 800         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
 801         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
 802         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
 803         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
 804         /* round 6: */
 805         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
 806         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
 807         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
 808         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
 809     /* round 7: */
 810         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
 811         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
 812         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
 813         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
 814         /* round 8: */
 815         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
 816         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
 817         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
 818         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
 819     /* round 9: */
 820         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
 821         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
 822         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
 823         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
 824     if (Nr > 10) {
 825         /* round 10: */
 826         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
 827         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
 828         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
 829         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
 830         /* round 11: */
 831         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
 832         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
 833         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
 834         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
 835         if (Nr > 12) {
 836             /* round 12: */
 837             s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
 838             s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
 839             s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
 840             s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
 841             /* round 13: */
 842             t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
 843             t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
 844             t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
 845             t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
 846         }
 847     }
 848     rk += Nr << 2;
 849 #else  /* !FULL_UNROLL */
 850     /*
 851          * Nr - 1 full rounds:
 852          */
 853     r = Nr >> 1;
 854     for (;;) {
 855         t0 =
 856             Te0[(s0 >> 24)       ] ^
 857             Te1[(s1 >> 16) & 0xff] ^
 858             Te2[(s2 >>  8) & 0xff] ^
 859             Te3[(s3      ) & 0xff] ^
 860             rk[4];
 861         t1 =
 862             Te0[(s1 >> 24)       ] ^
 863             Te1[(s2 >> 16) & 0xff] ^
 864             Te2[(s3 >>  8) & 0xff] ^
 865             Te3[(s0      ) & 0xff] ^
 866             rk[5];
 867         t2 =
 868             Te0[(s2 >> 24)       ] ^
 869             Te1[(s3 >> 16) & 0xff] ^
 870             Te2[(s0 >>  8) & 0xff] ^
 871             Te3[(s1      ) & 0xff] ^
 872             rk[6];
 873         t3 =
 874             Te0[(s3 >> 24)       ] ^
 875             Te1[(s0 >> 16) & 0xff] ^
 876             Te2[(s1 >>  8) & 0xff] ^
 877             Te3[(s2      ) & 0xff] ^
 878             rk[7];
 879
 880         rk += 8;
 881         if (--r == 0) {
 882             break;
 883         }
 884
 885         s0 =
 886             Te0[(t0 >> 24)       ] ^
 887             Te1[(t1 >> 16) & 0xff] ^
 888             Te2[(t2 >>  8) & 0xff] ^
 889             Te3[(t3      ) & 0xff] ^
 890             rk[0];
 891         s1 =
 892             Te0[(t1 >> 24)       ] ^
 893             Te1[(t2 >> 16) & 0xff] ^
 894             Te2[(t3 >>  8) & 0xff] ^
 895             Te3[(t0      ) & 0xff] ^
 896             rk[1];
 897         s2 =
 898             Te0[(t2 >> 24)       ] ^
 899             Te1[(t3 >> 16) & 0xff] ^
 900             Te2[(t0 >>  8) & 0xff] ^
 901             Te3[(t1      ) & 0xff] ^
 902             rk[2];
 903         s3 =
 904             Te0[(t3 >> 24)       ] ^
 905             Te1[(t0 >> 16) & 0xff] ^
 906             Te2[(t1 >>  8) & 0xff] ^
 907             Te3[(t2      ) & 0xff] ^
 908             rk[3];
 909     }
 910 #endif /* ?FULL_UNROLL */
 911     /*
 912          * apply last round and
 913          * map cipher state to byte array block:
 914          */
 915         s0 =
 916                 (Te2[(t0 >> 24)       ] & 0xff000000) ^
 917                 (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^
 918                 (Te0[(t2 >>  8) & 0xff] & 0x0000ff00) ^
 919                 (Te1[(t3      ) & 0xff] & 0x000000ff) ^
 920                 rk[0];
 921         PUTU32(ct     , s0);
 922         s1 =
 923                 (Te2[(t1 >> 24)       ] & 0xff000000) ^
 924                 (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^
 925                 (Te0[(t3 >>  8) & 0xff] & 0x0000ff00) ^
 926                 (Te1[(t0      ) & 0xff] & 0x000000ff) ^
 927                 rk[1];
 928         PUTU32(ct +  4, s1);
 929         s2 =
 930                 (Te2[(t2 >> 24)       ] & 0xff000000) ^
 931                 (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^
 932                 (Te0[(t0 >>  8) & 0xff] & 0x0000ff00) ^
 933                 (Te1[(t1      ) & 0xff] & 0x000000ff) ^
 934                 rk[2];
 935         PUTU32(ct +  8, s2);
 936         s3 =
 937                 (Te2[(t3 >> 24)       ] & 0xff000000) ^
 938                 (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^
 939                 (Te0[(t1 >>  8) & 0xff] & 0x0000ff00) ^
 940                 (Te1[(t2      ) & 0xff] & 0x000000ff) ^
 941                 rk[3];
 942         PUTU32(ct + 12, s3);
 943 }
 944
 945 #if 0
 946 static void
 947 rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16],
 948     u8 pt[16])
 949 {
 950         u32 s0, s1, s2, s3, t0, t1, t2, t3;
 951 #ifndef FULL_UNROLL
 952     int r;
 953 #endif /* ?FULL_UNROLL */
 954
 955     /*
 956          * map byte array block to cipher state
 957          * and add initial round key:
 958          */
 959     s0 = GETU32(ct     ) ^ rk[0];
 960     s1 = GETU32(ct +  4) ^ rk[1];
 961     s2 = GETU32(ct +  8) ^ rk[2];
 962     s3 = GETU32(ct + 12) ^ rk[3];
 963 #ifdef FULL_UNROLL
 964     /* round 1: */
 965     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
 966     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
 967     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
 968     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
 969     /* round 2: */
 970     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
 971     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
 972     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
 973     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
 974     /* round 3: */
 975     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
 976     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
 977     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
 978     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
 979     /* round 4: */
 980     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
 981     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
 982     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
 983     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
 984     /* round 5: */
 985     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
 986     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
 987     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
 988     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
 989     /* round 6: */
 990     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
 991     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
 992     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
 993     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
 994     /* round 7: */
 995     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
 996     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
 997     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
 998     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
 999     /* round 8: */
1000     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1001     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1002     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1003     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1004     /* round 9: */
1005     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1006     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1007     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1008     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1009     if (Nr > 10) {
1010         /* round 10: */
1011         s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1012         s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1013         s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1014         s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1015         /* round 11: */
1016         t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1017         t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1018         t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1019         t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1020         if (Nr > 12) {
1021             /* round 12: */
1022             s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1023             s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1024             s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1025             s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1026             /* round 13: */
1027             t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1028             t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1029             t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1030             t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1031         }
1032     }
1033         rk += Nr << 2;
1034 #else  /* !FULL_UNROLL */
1035     /*
1036      * Nr - 1 full rounds:
1037      */
1038     r = Nr >> 1;
1039     for (;;) {
1040         t0 =
1041             Td0[(s0 >> 24)       ] ^
1042             Td1[(s3 >> 16) & 0xff] ^
1043             Td2[(s2 >>  8) & 0xff] ^
1044             Td3[(s1      ) & 0xff] ^
1045             rk[4];
1046         t1 =
1047             Td0[(s1 >> 24)       ] ^
1048             Td1[(s0 >> 16) & 0xff] ^
1049             Td2[(s3 >>  8) & 0xff] ^
1050             Td3[(s2      ) & 0xff] ^
1051             rk[5];
1052         t2 =
1053             Td0[(s2 >> 24)       ] ^
1054             Td1[(s1 >> 16) & 0xff] ^
1055             Td2[(s0 >>  8) & 0xff] ^
1056             Td3[(s3      ) & 0xff] ^
1057             rk[6];
1058         t3 =
1059             Td0[(s3 >> 24)       ] ^
1060             Td1[(s2 >> 16) & 0xff] ^
1061             Td2[(s1 >>  8) & 0xff] ^
1062             Td3[(s0      ) & 0xff] ^
1063             rk[7];
1064
1065         rk += 8;
1066         if (--r == 0) {
1067             break;
1068         }
1069
1070         s0 =
1071             Td0[(t0 >> 24)       ] ^
1072             Td1[(t3 >> 16) & 0xff] ^
1073             Td2[(t2 >>  8) & 0xff] ^
1074             Td3[(t1      ) & 0xff] ^
1075             rk[0];
1076         s1 =
1077             Td0[(t1 >> 24)       ] ^
1078             Td1[(t0 >> 16) & 0xff] ^
1079             Td2[(t3 >>  8) & 0xff] ^
1080             Td3[(t2      ) & 0xff] ^
1081             rk[1];
1082         s2 =
1083             Td0[(t2 >> 24)       ] ^
1084             Td1[(t1 >> 16) & 0xff] ^
1085             Td2[(t0 >>  8) & 0xff] ^
1086             Td3[(t3      ) & 0xff] ^
1087             rk[2];
1088         s3 =
1089             Td0[(t3 >> 24)       ] ^
1090             Td1[(t2 >> 16) & 0xff] ^
1091             Td2[(t1 >>  8) & 0xff] ^
1092             Td3[(t0      ) & 0xff] ^
1093             rk[3];
1094     }
1095 #endif /* ?FULL_UNROLL */
1096     /*
1097          * apply last round and
1098          * map cipher state to byte array block:
1099          */
1100         s0 =
1101                 (Td4[(t0 >> 24)       ] << 24) ^
1102                 (Td4[(t3 >> 16) & 0xff] << 16) ^
1103                 (Td4[(t2 >>  8) & 0xff] <<  8) ^
1104                 (Td4[(t1      ) & 0xff])       ^
1105                 rk[0];
1106         PUTU32(pt     , s0);
1107         s1 =
1108                 (Td4[(t1 >> 24)       ] << 24) ^
1109                 (Td4[(t0 >> 16) & 0xff] << 16) ^
1110                 (Td4[(t3 >>  8) & 0xff] <<  8) ^
1111                 (Td4[(t2      ) & 0xff])       ^
1112                 rk[1];
1113         PUTU32(pt +  4, s1);
1114         s2 =
1115                 (Td4[(t2 >> 24)       ] << 24) ^
1116                 (Td4[(t1 >> 16) & 0xff] << 16) ^
1117                 (Td4[(t0 >>  8) & 0xff] <<  8) ^
1118                 (Td4[(t3      ) & 0xff])       ^
1119                 rk[2];
1120         PUTU32(pt +  8, s2);
1121         s3 =
1122                 (Td4[(t3 >> 24)       ] << 24) ^
1123                 (Td4[(t2 >> 16) & 0xff] << 16) ^
1124                 (Td4[(t1 >>  8) & 0xff] <<  8) ^
1125                 (Td4[(t0      ) & 0xff])       ^
1126                 rk[3];
1127         PUTU32(pt + 12, s3);
1128 }
1129 #endif