/*
 * aes.c
 *
 * An implemnetation of the AES block cipher.
 *
 * David A. McGrew
 * Cisco Systems, Inc.
 */

/*
 *	
 * Copyright (c) 2001-2006, Cisco Systems, Inc.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 *   Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 
 *   Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 * 
 *   Neither the name of the Cisco Systems, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifdef HAVE_CONFIG_H
    #include <config.h>
#endif

#include "aes.h"
#include "err.h"

/* 
 * we use the tables T0, T1, T2, T3, and T4 to compute AES, and 
 * the tables U0, U1, U2, and U4 to compute its inverse
 *
 * different tables are used on little-endian (Intel, VMS) and
 * big-endian processors (everything else)
 *
 * these tables are computed using the program tables/aes_tables; use
 * this program to generate different tables for porting or
 * optimization on a different platform
 */

#ifndef WORDS_BIGENDIAN

static uint32_t T0[256] = {
  0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6, 
  0xdf2f2ff, 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591, 
  0x50303060, 0x3010102, 0xa96767ce, 0x7d2b2b56, 
  0x19fefee7, 0x62d7d7b5, 0xe6abab4d, 0x9a7676ec, 
  0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa, 
  0x15fafaef, 0xeb5959b2, 0xc947478e, 0xbf0f0fb, 
  0xecadad41, 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45, 
  0xbf9c9c23, 0xf7a4a453, 0x967272e4, 0x5bc0c09b, 
  0xc2b7b775, 0x1cfdfde1, 0xae93933d, 0x6a26264c, 
  0x5a36366c, 0x413f3f7e, 0x2f7f7f5, 0x4fcccc83, 
  0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x8f1f1f9, 
  0x937171e2, 0x73d8d8ab, 0x53313162, 0x3f15152a, 
  0xc040408, 0x52c7c795, 0x65232346, 0x5ec3c39d, 
  0x28181830, 0xa1969637, 0xf05050a, 0xb59a9a2f, 
  0x907070e, 0x36121224, 0x9b80801b, 0x3de2e2df, 
  0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea, 
  0x1b090912, 0x9e83831d, 0x742c2c58, 0x2e1a1a34, 
  0x2d1b1b36, 0xb26e6edc, 0xee5a5ab4, 0xfba0a05b, 
  0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, 0xceb3b37d, 
  0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413, 
  0xf55353a6, 0x68d1d1b9, 0x0, 0x2cededc1, 
  0x60202040, 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6, 
  0xbe6a6ad4, 0x46cbcb8d, 0xd9bebe67, 0x4b393972, 
  0xde4a4a94, 0xd44c4c98, 0xe85858b0, 0x4acfcf85, 
  0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed, 
  0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511, 
  0xcf45458a, 0x10f9f9e9, 0x6020204, 0x817f7ffe, 
  0xf05050a0, 0x443c3c78, 0xba9f9f25, 0xe3a8a84b, 
  0xf35151a2, 0xfea3a35d, 0xc0404080, 0x8a8f8f05, 
  0xad92923f, 0xbc9d9d21, 0x48383870, 0x4f5f5f1, 
  0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142, 
  0x30101020, 0x1affffe5, 0xef3f3fd, 0x6dd2d2bf, 
  0x4ccdcd81, 0x140c0c18, 0x35131326, 0x2fececc3, 
  0xe15f5fbe, 0xa2979735, 0xcc444488, 0x3917172e, 
  0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a, 
  0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6, 
  0xa06060c0, 0x98818119, 0xd14f4f9e, 0x7fdcdca3, 
  0x66222244, 0x7e2a2a54, 0xab90903b, 0x8388880b, 
  0xca46468c, 0x29eeeec7, 0xd3b8b86b, 0x3c141428, 
  0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad, 
  0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14, 
  0xdb494992, 0xa06060c, 0x6c242448, 0xe45c5cb8, 
  0x5dc2c29f, 0x6ed3d3bd, 0xefacac43, 0xa66262c4, 
  0xa8919139, 0xa4959531, 0x37e4e4d3, 0x8b7979f2, 
  0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda, 
  0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949, 
  0xb46c6cd8, 0xfa5656ac, 0x7f4f4f3, 0x25eaeacf, 
  0xaf6565ca, 0x8e7a7af4, 0xe9aeae47, 0x18080810, 
  0xd5baba6f, 0x887878f0, 0x6f25254a, 0x722e2e5c, 
  0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697, 
  0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e, 
  0xdd4b4b96, 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f, 
  0x907070e0, 0x423e3e7c, 0xc4b5b571, 0xaa6666cc, 
  0xd8484890, 0x5030306, 0x1f6f6f7, 0x120e0e1c, 
  0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969, 
  0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27, 
  0x38e1e1d9, 0x13f8f8eb, 0xb398982b, 0x33111122, 
  0xbb6969d2, 0x70d9d9a9, 0x898e8e07, 0xa7949433, 
  0xb69b9b2d, 0x221e1e3c, 0x92878715, 0x20e9e9c9, 
  0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5, 
  0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a, 
  0xdabfbf65, 0x31e6e6d7, 0xc6424284, 0xb86868d0, 
  0xc3414182, 0xb0999929, 0x772d2d5a, 0x110f0f1e, 
  0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, 0x3a16162c, 
};

static uint32_t T1[256] = {
  0x6363c6a5, 0x7c7cf884, 0x7777ee99, 0x7b7bf68d, 
  0xf2f2ff0d, 0x6b6bd6bd, 0x6f6fdeb1, 0xc5c59154, 
  0x30306050, 0x1010203, 0x6767cea9, 0x2b2b567d, 
  0xfefee719, 0xd7d7b562, 0xabab4de6, 0x7676ec9a, 
  0xcaca8f45, 0x82821f9d, 0xc9c98940, 0x7d7dfa87, 
  0xfafaef15, 0x5959b2eb, 0x47478ec9, 0xf0f0fb0b, 
  0xadad41ec, 0xd4d4b367, 0xa2a25ffd, 0xafaf45ea, 
  0x9c9c23bf, 0xa4a453f7, 0x7272e496, 0xc0c09b5b, 
  0xb7b775c2, 0xfdfde11c, 0x93933dae, 0x26264c6a, 
  0x36366c5a, 0x3f3f7e41, 0xf7f7f502, 0xcccc834f, 
  0x3434685c, 0xa5a551f4, 0xe5e5d134, 0xf1f1f908, 
  0x7171e293, 0xd8d8ab73, 0x31316253, 0x15152a3f, 
  0x404080c, 0xc7c79552, 0x23234665, 0xc3c39d5e, 
  0x18183028, 0x969637a1, 0x5050a0f, 0x9a9a2fb5, 
  0x7070e09, 0x12122436, 0x80801b9b, 0xe2e2df3d, 
  0xebebcd26, 0x27274e69, 0xb2b27fcd, 0x7575ea9f, 
  0x909121b, 0x83831d9e, 0x2c2c5874, 0x1a1a342e, 
  0x1b1b362d, 0x6e6edcb2, 0x5a5ab4ee, 0xa0a05bfb, 
  0x5252a4f6, 0x3b3b764d, 0xd6d6b761, 0xb3b37dce, 
  0x2929527b, 0xe3e3dd3e, 0x2f2f5e71, 0x84841397, 
  0x5353a6f5, 0xd1d1b968, 0x00000000, 0xededc12c, 
  0x20204060, 0xfcfce31f, 0xb1b179c8, 0x5b5bb6ed, 
  0x6a6ad4be, 0xcbcb8d46, 0xbebe67d9, 0x3939724b, 
  0x4a4a94de, 0x4c4c98d4, 0x5858b0e8, 0xcfcf854a, 
  0xd0d0bb6b, 0xefefc52a, 0xaaaa4fe5, 0xfbfbed16, 
  0x434386c5, 0x4d4d9ad7, 0x33336655, 0x85851194, 
  0x45458acf, 0xf9f9e910, 0x2020406, 0x7f7ffe81, 
  0x5050a0f0, 0x3c3c7844, 0x9f9f25ba, 0xa8a84be3, 
  0x5151a2f3, 0xa3a35dfe, 0x404080c0, 0x8f8f058a, 
  0x92923fad, 0x9d9d21bc, 0x38387048, 0xf5f5f104, 
  0xbcbc63df, 0xb6b677c1, 0xdadaaf75, 0x21214263, 
  0x10102030, 0xffffe51a, 0xf3f3fd0e, 0xd2d2bf6d, 
  0xcdcd814c, 0xc0c1814, 0x13132635, 0xececc32f, 
  0x5f5fbee1, 0x979735a2, 0x444488cc, 0x17172e39, 
  0xc4c49357, 0xa7a755f2, 0x7e7efc82, 0x3d3d7a47, 
  0x6464c8ac, 0x5d5dbae7, 0x1919322b, 0x7373e695, 
  0x6060c0a0, 0x81811998, 0x4f4f9ed1, 0xdcdca37f, 
  0x22224466, 0x2a2a547e, 0x90903bab, 0x88880b83, 
  0x46468cca, 0xeeeec729, 0xb8b86bd3, 0x1414283c, 
  0xdedea779, 0x5e5ebce2, 0xb0b161d, 0xdbdbad76, 
  0xe0e0db3b, 0x32326456, 0x3a3a744e, 0xa0a141e, 
  0x494992db, 0x6060c0a, 0x2424486c, 0x5c5cb8e4, 
  0xc2c29f5d, 0xd3d3bd6e, 0xacac43ef, 0x6262c4a6, 
  0x919139a8, 0x959531a4, 0xe4e4d337, 0x7979f28b, 
  0xe7e7d532, 0xc8c88b43, 0x37376e59, 0x6d6ddab7, 
  0x8d8d018c, 0xd5d5b164, 0x4e4e9cd2, 0xa9a949e0, 
  0x6c6cd8b4, 0x5656acfa, 0xf4f4f307, 0xeaeacf25, 
  0x6565caaf, 0x7a7af48e, 0xaeae47e9, 0x8081018, 
  0xbaba6fd5, 0x7878f088, 0x25254a6f, 0x2e2e5c72, 
  0x1c1c3824, 0xa6a657f1, 0xb4b473c7, 0xc6c69751, 
  0xe8e8cb23, 0xdddda17c, 0x7474e89c, 0x1f1f3e21, 
  0x4b4b96dd, 0xbdbd61dc, 0x8b8b0d86, 0x8a8a0f85, 
  0x7070e090, 0x3e3e7c42, 0xb5b571c4, 0x6666ccaa, 
  0x484890d8, 0x3030605, 0xf6f6f701, 0xe0e1c12, 
  0x6161c2a3, 0x35356a5f, 0x5757aef9, 0xb9b969d0, 
  0x86861791, 0xc1c19958, 0x1d1d3a27, 0x9e9e27b9, 
  0xe1e1d938, 0xf8f8eb13, 0x98982bb3, 0x11112233, 
  0x6969d2bb, 0xd9d9a970, 0x8e8e0789, 0x949433a7, 
  0x9b9b2db6, 0x1e1e3c22, 0x87871592, 0xe9e9c920, 
  0xcece8749, 0x5555aaff, 0x28285078, 0xdfdfa57a, 
  0x8c8c038f, 0xa1a159f8, 0x89890980, 0xd0d1a17, 
  0xbfbf65da, 0xe6e6d731, 0x424284c6, 0x6868d0b8, 
  0x414182c3, 0x999929b0, 0x2d2d5a77, 0xf0f1e11, 
  0xb0b07bcb, 0x5454a8fc, 0xbbbb6dd6, 0x16162c3a, 
};

static uint32_t T2[256] = {
  0x63c6a563, 0x7cf8847c, 0x77ee9977, 0x7bf68d7b, 
  0xf2ff0df2, 0x6bd6bd6b, 0x6fdeb16f, 0xc59154c5, 
  0x30605030, 0x1020301, 0x67cea967, 0x2b567d2b, 
  0xfee719fe, 0xd7b562d7, 0xab4de6ab, 0x76ec9a76, 
  0xca8f45ca, 0x821f9d82, 0xc98940c9, 0x7dfa877d, 
  0xfaef15fa, 0x59b2eb59, 0x478ec947, 0xf0fb0bf0, 
  0xad41ecad, 0xd4b367d4, 0xa25ffda2, 0xaf45eaaf, 
  0x9c23bf9c, 0xa453f7a4, 0x72e49672, 0xc09b5bc0, 
  0xb775c2b7, 0xfde11cfd, 0x933dae93, 0x264c6a26, 
  0x366c5a36, 0x3f7e413f, 0xf7f502f7, 0xcc834fcc, 
  0x34685c34, 0xa551f4a5, 0xe5d134e5, 0xf1f908f1, 
  0x71e29371, 0xd8ab73d8, 0x31625331, 0x152a3f15, 
  0x4080c04, 0xc79552c7, 0x23466523, 0xc39d5ec3, 
  0x18302818, 0x9637a196, 0x50a0f05, 0x9a2fb59a, 
  0x70e0907, 0x12243612, 0x801b9b80, 0xe2df3de2, 
  0xebcd26eb, 0x274e6927, 0xb27fcdb2, 0x75ea9f75, 
  0x9121b09, 0x831d9e83, 0x2c58742c, 0x1a342e1a, 
  0x1b362d1b, 0x6edcb26e, 0x5ab4ee5a, 0xa05bfba0, 
  0x52a4f652, 0x3b764d3b, 0xd6b761d6, 0xb37dceb3, 
  0x29527b29, 0xe3dd3ee3, 0x2f5e712f, 0x84139784, 
  0x53a6f553, 0xd1b968d1, 0x0, 0xedc12ced, 
  0x20406020, 0xfce31ffc, 0xb179c8b1, 0x5bb6ed5b, 
  0x6ad4be6a, 0xcb8d46cb, 0xbe67d9be, 0x39724b39, 
  0x4a94de4a, 0x4c98d44c, 0x58b0e858, 0xcf854acf, 
  0xd0bb6bd0, 0xefc52aef, 0xaa4fe5aa, 0xfbed16fb, 
  0x4386c543, 0x4d9ad74d, 0x33665533, 0x85119485, 
  0x458acf45, 0xf9e910f9, 0x2040602, 0x7ffe817f, 
  0x50a0f050, 0x3c78443c, 0x9f25ba9f, 0xa84be3a8, 
  0x51a2f351, 0xa35dfea3, 0x4080c040, 0x8f058a8f, 
  0x923fad92, 0x9d21bc9d, 0x38704838, 0xf5f104f5, 
  0xbc63dfbc, 0xb677c1b6, 0xdaaf75da, 0x21426321, 
  0x10203010, 0xffe51aff, 0xf3fd0ef3, 0xd2bf6dd2, 
  0xcd814ccd, 0xc18140c, 0x13263513, 0xecc32fec, 
  0x5fbee15f, 0x9735a297, 0x4488cc44, 0x172e3917, 
  0xc49357c4, 0xa755f2a7, 0x7efc827e, 0x3d7a473d, 
  0x64c8ac64, 0x5dbae75d, 0x19322b19, 0x73e69573, 
  0x60c0a060, 0x81199881, 0x4f9ed14f, 0xdca37fdc, 
  0x22446622, 0x2a547e2a, 0x903bab90, 0x880b8388, 
  0x468cca46, 0xeec729ee, 0xb86bd3b8, 0x14283c14, 
  0xdea779de, 0x5ebce25e, 0xb161d0b, 0xdbad76db, 
  0xe0db3be0, 0x32645632, 0x3a744e3a, 0xa141e0a, 
  0x4992db49, 0x60c0a06, 0x24486c24, 0x5cb8e45c, 
  0xc29f5dc2, 0xd3bd6ed3, 0xac43efac, 0x62c4a662, 
  0x9139a891, 0x9531a495, 0xe4d337e4, 0x79f28b79, 
  0xe7d532e7, 0xc88b43c8, 0x376e5937, 0x6ddab76d, 
  0x8d018c8d, 0xd5b164d5, 0x4e9cd24e, 0xa949e0a9, 
  0x6cd8b46c, 0x56acfa56, 0xf4f307f4, 0xeacf25ea, 
  0x65caaf65, 0x7af48e7a, 0xae47e9ae, 0x8101808, 
  0xba6fd5ba, 0x78f08878, 0x254a6f25, 0x2e5c722e, 
  0x1c38241c, 0xa657f1a6, 0xb473c7b4, 0xc69751c6, 
  0xe8cb23e8, 0xdda17cdd, 0x74e89c74, 0x1f3e211f, 
  0x4b96dd4b, 0xbd61dcbd, 0x8b0d868b, 0x8a0f858a, 
  0x70e09070, 0x3e7c423e, 0xb571c4b5, 0x66ccaa66, 
  0x4890d848, 0x3060503, 0xf6f701f6, 0xe1c120e, 
  0x61c2a361, 0x356a5f35, 0x57aef957, 0xb969d0b9, 
  0x86179186, 0xc19958c1, 0x1d3a271d, 0x9e27b99e, 
  0xe1d938e1, 0xf8eb13f8, 0x982bb398, 0x11223311, 
  0x69d2bb69, 0xd9a970d9, 0x8e07898e, 0x9433a794, 
  0x9b2db69b, 0x1e3c221e, 0x87159287, 0xe9c920e9, 
  0xce8749ce, 0x55aaff55, 0x28507828, 0xdfa57adf, 
  0x8c038f8c, 0xa159f8a1, 0x89098089, 0xd1a170d, 
  0xbf65dabf, 0xe6d731e6, 0x4284c642, 0x68d0b868, 
  0x4182c341, 0x9929b099, 0x2d5a772d, 0xf1e110f, 
  0xb07bcbb0, 0x54a8fc54, 0xbb6dd6bb, 0x162c3a16, 
};

static uint32_t T3[256] = {
  0xc6a56363, 0xf8847c7c, 0xee997777, 0xf68d7b7b, 
  0xff0df2f2, 0xd6bd6b6b, 0xdeb16f6f, 0x9154c5c5, 
  0x60503030, 0x2030101, 0xcea96767, 0x567d2b2b, 
  0xe719fefe, 0xb562d7d7, 0x4de6abab, 0xec9a7676, 
  0x8f45caca, 0x1f9d8282, 0x8940c9c9, 0xfa877d7d, 
  0xef15fafa, 0xb2eb5959, 0x8ec94747, 0xfb0bf0f0, 
  0x41ecadad, 0xb367d4d4, 0x5ffda2a2, 0x45eaafaf, 
  0x23bf9c9c, 0x53f7a4a4, 0xe4967272, 0x9b5bc0c0, 
  0x75c2b7b7, 0xe11cfdfd, 0x3dae9393, 0x4c6a2626, 
  0x6c5a3636, 0x7e413f3f, 0xf502f7f7, 0x834fcccc, 
  0x685c3434, 0x51f4a5a5, 0xd134e5e5, 0xf908f1f1, 
  0xe2937171, 0xab73d8d8, 0x62533131, 0x2a3f1515, 
  0x80c0404, 0x9552c7c7, 0x46652323, 0x9d5ec3c3, 
  0x30281818, 0x37a19696, 0xa0f0505, 0x2fb59a9a, 
  0xe090707, 0x24361212, 0x1b9b8080, 0xdf3de2e2, 
  0xcd26ebeb, 0x4e692727, 0x7fcdb2b2, 0xea9f7575, 
  0x121b0909, 0x1d9e8383, 0x58742c2c, 0x342e1a1a, 
  0x362d1b1b, 0xdcb26e6e, 0xb4ee5a5a, 0x5bfba0a0, 
  0xa4f65252, 0x764d3b3b, 0xb761d6d6, 0x7dceb3b3, 
  0x527b2929, 0xdd3ee3e3, 0x5e712f2f, 0x13978484, 
  0xa6f55353, 0xb968d1d1, 0x0, 0xc12ceded, 
  0x40602020, 0xe31ffcfc, 0x79c8b1b1, 0xb6ed5b5b, 
  0xd4be6a6a, 0x8d46cbcb, 0x67d9bebe, 0x724b3939, 
  0x94de4a4a, 0x98d44c4c, 0xb0e85858, 0x854acfcf, 
  0xbb6bd0d0, 0xc52aefef, 0x4fe5aaaa, 0xed16fbfb, 
  0x86c54343, 0x9ad74d4d, 0x66553333, 0x11948585, 
  0x8acf4545, 0xe910f9f9, 0x4060202, 0xfe817f7f, 
  0xa0f05050, 0x78443c3c, 0x25ba9f9f, 0x4be3a8a8, 
  0xa2f35151, 0x5dfea3a3, 0x80c04040, 0x58a8f8f, 
  0x3fad9292, 0x21bc9d9d, 0x70483838, 0xf104f5f5, 
  0x63dfbcbc, 0x77c1b6b6, 0xaf75dada, 0x42632121, 
  0x20301010, 0xe51affff, 0xfd0ef3f3, 0xbf6dd2d2, 
  0x814ccdcd, 0x18140c0c, 0x26351313, 0xc32fecec, 
  0xbee15f5f, 0x35a29797, 0x88cc4444, 0x2e391717, 
  0x9357c4c4, 0x55f2a7a7, 0xfc827e7e, 0x7a473d3d, 
  0xc8ac6464, 0xbae75d5d, 0x322b1919, 0xe6957373, 
  0xc0a06060, 0x19988181, 0x9ed14f4f, 0xa37fdcdc, 
  0x44662222, 0x547e2a2a, 0x3bab9090, 0xb838888, 
  0x8cca4646, 0xc729eeee, 0x6bd3b8b8, 0x283c1414, 
  0xa779dede, 0xbce25e5e, 0x161d0b0b, 0xad76dbdb, 
  0xdb3be0e0, 0x64563232, 0x744e3a3a, 0x141e0a0a, 
  0x92db4949, 0xc0a0606, 0x486c2424, 0xb8e45c5c, 
  0x9f5dc2c2, 0xbd6ed3d3, 0x43efacac, 0xc4a66262, 
  0x39a89191, 0x31a49595, 0xd337e4e4, 0xf28b7979, 
  0xd532e7e7, 0x8b43c8c8, 0x6e593737, 0xdab76d6d, 
  0x18c8d8d, 0xb164d5d5, 0x9cd24e4e, 0x49e0a9a9, 
  0xd8b46c6c, 0xacfa5656, 0xf307f4f4, 0xcf25eaea, 
  0xcaaf6565, 0xf48e7a7a, 0x47e9aeae, 0x10180808, 
  0x6fd5baba, 0xf0887878, 0x4a6f2525, 0x5c722e2e, 
  0x38241c1c, 0x57f1a6a6, 0x73c7b4b4, 0x9751c6c6, 
  0xcb23e8e8, 0xa17cdddd, 0xe89c7474, 0x3e211f1f, 
  0x96dd4b4b, 0x61dcbdbd, 0xd868b8b, 0xf858a8a, 
  0xe0907070, 0x7c423e3e, 0x71c4b5b5, 0xccaa6666, 
  0x90d84848, 0x6050303, 0xf701f6f6, 0x1c120e0e, 
  0xc2a36161, 0x6a5f3535, 0xaef95757, 0x69d0b9b9, 
  0x17918686, 0x9958c1c1, 0x3a271d1d, 0x27b99e9e, 
  0xd938e1e1, 0xeb13f8f8, 0x2bb39898, 0x22331111, 
  0xd2bb6969, 0xa970d9d9, 0x7898e8e, 0x33a79494, 
  0x2db69b9b, 0x3c221e1e, 0x15928787, 0xc920e9e9, 
  0x8749cece, 0xaaff5555, 0x50782828, 0xa57adfdf, 
  0x38f8c8c, 0x59f8a1a1, 0x9808989, 0x1a170d0d, 
  0x65dabfbf, 0xd731e6e6, 0x84c64242, 0xd0b86868, 
  0x82c34141, 0x29b09999, 0x5a772d2d, 0x1e110f0f, 
  0x7bcbb0b0, 0xa8fc5454, 0x6dd6bbbb, 0x2c3a1616, 
};

static uint32_t U0[256] = {
  0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a, 
  0xcb6bab3b, 0xf1459d1f, 0xab58faac, 0x9303e34b, 
  0x55fa3020, 0xf66d76ad, 0x9176cc88, 0x254c02f5, 
  0xfcd7e54f, 0xd7cb2ac5, 0x80443526, 0x8fa362b5, 
  0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d, 
  0x2752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b, 
  0xe75f8f03, 0x959c9215, 0xeb7a6dbf, 0xda595295, 
  0x2d83bed4, 0xd3217458, 0x2969e049, 0x44c8c98e, 
  0x6a89c275, 0x78798ef4, 0x6b3e5899, 0xdd71b927, 
  0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d, 
  0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362, 
  0xe07764b1, 0x84ae6bbb, 0x1ca081fe, 0x942b08f9, 
  0x58684870, 0x19fd458f, 0x876cde94, 0xb7f87b52, 
  0x23d373ab, 0xe2024b72, 0x578f1fe3, 0x2aab5566, 
  0x728ebb2, 0x3c2b52f, 0x9a7bc586, 0xa50837d3, 
  0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed, 
  0x2b1ccf8a, 0x92b479a7, 0xf0f207f3, 0xa1e2694e, 
  0xcdf4da65, 0xd5be0506, 0x1f6234d1, 0x8afea6c4, 
  0x9d532e34, 0xa055f3a2, 0x32e18a05, 0x75ebf6a4, 
  0x39ec830b, 0xaaef6040, 0x69f715e, 0x51106ebd, 
  0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d, 
  0xb58d5491, 0x55dc471, 0x6fd40604, 0xff155060, 
  0x24fb9819, 0x97e9bdd6, 0xcc434089, 0x779ed967, 
  0xbd42e8b0, 0x888b8907, 0x385b19e7, 0xdbeec879, 
  0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x0, 
  0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c, 
  0xfbff0efd, 0x5638850f, 0x1ed5ae3d, 0x27392d36, 
  0x64d90f0a, 0x21a65c68, 0xd1545b9b, 0x3a2e3624, 
  0xb1670a0c, 0xfe75793, 0xd296eeb4, 0x9e919b1b, 
  0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c, 
  0xaba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12, 
  0xb0d090e, 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14, 
  0x8519f157, 0x4c0775af, 0xbbdd99ee, 0xfd607fa3, 
  0x9f2601f7, 0xbcf5725c, 0xc53b6644, 0x347efb5b, 
  0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8, 
  0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684, 
  0x7d244a85, 0xf83dbbd2, 0x1132f9ae, 0x6da129c7, 
  0x4b2f9e1d, 0xf330b2dc, 0xec52860d, 0xd0e3c177, 
  0x6c16b32b, 0x99b970a9, 0xfa489411, 0x2264e947, 
  0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322, 
  0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498, 
  0xcf81f5a6, 0x28de7aa5, 0x268eb7da, 0xa4bfad3f, 
  0xe49d3a2c, 0xd927850, 0x9bcc5f6a, 0x62467e54, 
  0xc2138df6, 0xe8b8d890, 0x5ef7392e, 0xf5afc382, 
  0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf, 
  0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb, 
  0x97826cd, 0xf418596e, 0x1b79aec, 0xa89a4f83, 
  0x656e95e6, 0x7ee6ffaa, 0x8cfbc21, 0xe6e815ef, 
  0xd99be7ba, 0xce366f4a, 0xd4099fea, 0xd67cb029, 
  0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235, 
  0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733, 
  0x4a9804f1, 0xf7daec41, 0xe50cd7f, 0x2ff69117, 
  0x8dd64d76, 0x4db0ef43, 0x544daacc, 0xdf0496e4, 
  0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, 0x7f516546, 
  0x4ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb, 
  0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d, 
  0x8c61d79a, 0x7a0ca137, 0x8e14f859, 0x893c13eb, 
  0xee27a9ce, 0x35c961b7, 0xede51ce1, 0x3cb1477a, 
  0x59dfd29c, 0x3f73f255, 0x79ce1418, 0xbf37c773, 
  0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478, 
  0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2, 
  0x72c31d16, 0xc25e2bc, 0x8b493c28, 0x41950dff, 
  0x7101a839, 0xdeb30c08, 0x9ce4b4d8, 0x90c15664, 
  0x6184cb7b, 0x70b632d5, 0x745c6c48, 0x4257b8d0, 
};

static uint32_t U1[256] = {
  0xa7f45150, 0x65417e53, 0xa4171ac3, 0x5e273a96, 
  0x6bab3bcb, 0x459d1ff1, 0x58faacab, 0x3e34b93, 
  0xfa302055, 0x6d76adf6, 0x76cc8891, 0x4c02f525, 
  0xd7e54ffc, 0xcb2ac5d7, 0x44352680, 0xa362b58f, 
  0x5ab1de49, 0x1bba2567, 0xeea4598, 0xc0fe5de1, 
  0x752fc302, 0xf04c8112, 0x97468da3, 0xf9d36bc6, 
  0x5f8f03e7, 0x9c921595, 0x7a6dbfeb, 0x595295da, 
  0x83bed42d, 0x217458d3, 0x69e04929, 0xc8c98e44, 
  0x89c2756a, 0x798ef478, 0x3e58996b, 0x71b927dd, 
  0x4fe1beb6, 0xad88f017, 0xac20c966, 0x3ace7db4, 
  0x4adf6318, 0x311ae582, 0x33519760, 0x7f536245, 
  0x7764b1e0, 0xae6bbb84, 0xa081fe1c, 0x2b08f994, 
  0x68487058, 0xfd458f19, 0x6cde9487, 0xf87b52b7, 
  0xd373ab23, 0x24b72e2, 0x8f1fe357, 0xab55662a, 
  0x28ebb207, 0xc2b52f03, 0x7bc5869a, 0x837d3a5, 
  0x872830f2, 0xa5bf23b2, 0x6a0302ba, 0x8216ed5c, 
  0x1ccf8a2b, 0xb479a792, 0xf207f3f0, 0xe2694ea1, 
  0xf4da65cd, 0xbe0506d5, 0x6234d11f, 0xfea6c48a, 
  0x532e349d, 0x55f3a2a0, 0xe18a0532, 0xebf6a475, 
  0xec830b39, 0xef6040aa, 0x9f715e06, 0x106ebd51, 
  0x8a213ef9, 0x6dd963d, 0x53eddae, 0xbde64d46, 
  0x8d5491b5, 0x5dc47105, 0xd406046f, 0x155060ff, 
  0xfb981924, 0xe9bdd697, 0x434089cc, 0x9ed96777, 
  0x42e8b0bd, 0x8b890788, 0x5b19e738, 0xeec879db, 
  0xa7ca147, 0xf427ce9, 0x1e84f8c9, 0x0, 
  0x86800983, 0xed2b3248, 0x70111eac, 0x725a6c4e, 
  0xff0efdfb, 0x38850f56, 0xd5ae3d1e, 0x392d3627, 
  0xd90f0a64, 0xa65c6821, 0x545b9bd1, 0x2e36243a, 
  0x670a0cb1, 0xe757930f, 0x96eeb4d2, 0x919b1b9e, 
  0xc5c0804f, 0x20dc61a2, 0x4b775a69, 0x1a121c16, 
  0xba93e20a, 0x2aa0c0e5, 0xe0223c43, 0x171b121d, 
  0xd090e0b, 0xc78bf2ad, 0xa8b62db9, 0xa91e14c8, 
  0x19f15785, 0x775af4c, 0xdd99eebb, 0x607fa3fd, 
  0x2601f79f, 0xf5725cbc, 0x3b6644c5, 0x7efb5b34, 
  0x29438b76, 0xc623cbdc, 0xfcedb668, 0xf1e4b863, 
  0xdc31d7ca, 0x85634210, 0x22971340, 0x11c68420, 
  0x244a857d, 0x3dbbd2f8, 0x32f9ae11, 0xa129c76d, 
  0x2f9e1d4b, 0x30b2dcf3, 0x52860dec, 0xe3c177d0, 
  0x16b32b6c, 0xb970a999, 0x489411fa, 0x64e94722, 
  0x8cfca8c4, 0x3ff0a01a, 0x2c7d56d8, 0x903322ef, 
  0x4e4987c7, 0xd138d9c1, 0xa2ca8cfe, 0xbd49836, 
  0x81f5a6cf, 0xde7aa528, 0x8eb7da26, 0xbfad3fa4, 
  0x9d3a2ce4, 0x9278500d, 0xcc5f6a9b, 0x467e5462, 
  0x138df6c2, 0xb8d890e8, 0xf7392e5e, 0xafc382f5, 
  0x805d9fbe, 0x93d0697c, 0x2dd56fa9, 0x1225cfb3, 
  0x99acc83b, 0x7d1810a7, 0x639ce86e, 0xbb3bdb7b, 
  0x7826cd09, 0x18596ef4, 0xb79aec01, 0x9a4f83a8, 
  0x6e95e665, 0xe6ffaa7e, 0xcfbc2108, 0xe815efe6, 
  0x9be7bad9, 0x366f4ace, 0x99fead4, 0x7cb029d6, 
  0xb2a431af, 0x233f2a31, 0x94a5c630, 0x66a235c0, 
  0xbc4e7437, 0xca82fca6, 0xd090e0b0, 0xd8a73315, 
  0x9804f14a, 0xdaec41f7, 0x50cd7f0e, 0xf691172f, 
  0xd64d768d, 0xb0ef434d, 0x4daacc54, 0x496e4df, 
  0xb5d19ee3, 0x886a4c1b, 0x1f2cc1b8, 0x5165467f, 
  0xea5e9d04, 0x358c015d, 0x7487fa73, 0x410bfb2e, 
  0x1d67b35a, 0xd2db9252, 0x5610e933, 0x47d66d13, 
  0x61d79a8c, 0xca1377a, 0x14f8598e, 0x3c13eb89, 
  0x27a9ceee, 0xc961b735, 0xe51ce1ed, 0xb1477a3c, 
  0xdfd29c59, 0x73f2553f, 0xce141879, 0x37c773bf, 
  0xcdf753ea, 0xaafd5f5b, 0x6f3ddf14, 0xdb447886, 
  0xf3afca81, 0xc468b93e, 0x3424382c, 0x40a3c25f, 
  0xc31d1672, 0x25e2bc0c, 0x493c288b, 0x950dff41, 
  0x1a83971, 0xb30c08de, 0xe4b4d89c, 0xc1566490, 
  0x84cb7b61, 0xb632d570, 0x5c6c4874, 0x57b8d042, 
};

static uint32_t U2[256] = {
  0xf45150a7, 0x417e5365, 0x171ac3a4, 0x273a965e, 
  0xab3bcb6b, 0x9d1ff145, 0xfaacab58, 0xe34b9303, 
  0x302055fa, 0x76adf66d, 0xcc889176, 0x2f5254c, 
  0xe54ffcd7, 0x2ac5d7cb, 0x35268044, 0x62b58fa3, 
  0xb1de495a, 0xba25671b, 0xea45980e, 0xfe5de1c0, 
  0x2fc30275, 0x4c8112f0, 0x468da397, 0xd36bc6f9, 
  0x8f03e75f, 0x9215959c, 0x6dbfeb7a, 0x5295da59, 
  0xbed42d83, 0x7458d321, 0xe0492969, 0xc98e44c8, 
  0xc2756a89, 0x8ef47879, 0x58996b3e, 0xb927dd71, 
  0xe1beb64f, 0x88f017ad, 0x20c966ac, 0xce7db43a, 
  0xdf63184a, 0x1ae58231, 0x51976033, 0x5362457f, 
  0x64b1e077, 0x6bbb84ae, 0x81fe1ca0, 0x8f9942b, 
  0x48705868, 0x458f19fd, 0xde94876c, 0x7b52b7f8, 
  0x73ab23d3, 0x4b72e202, 0x1fe3578f, 0x55662aab, 
  0xebb20728, 0xb52f03c2, 0xc5869a7b, 0x37d3a508, 
  0x2830f287, 0xbf23b2a5, 0x302ba6a, 0x16ed5c82, 
  0xcf8a2b1c, 0x79a792b4, 0x7f3f0f2, 0x694ea1e2, 
  0xda65cdf4, 0x506d5be, 0x34d11f62, 0xa6c48afe, 
  0x2e349d53, 0xf3a2a055, 0x8a0532e1, 0xf6a475eb, 
  0x830b39ec, 0x6040aaef, 0x715e069f, 0x6ebd5110, 
  0x213ef98a, 0xdd963d06, 0x3eddae05, 0xe64d46bd, 
  0x5491b58d, 0xc471055d, 0x6046fd4, 0x5060ff15, 
  0x981924fb, 0xbdd697e9, 0x4089cc43, 0xd967779e, 
  0xe8b0bd42, 0x8907888b, 0x19e7385b, 0xc879dbee, 
  0x7ca1470a, 0x427ce90f, 0x84f8c91e, 0x0, 
  0x80098386, 0x2b3248ed, 0x111eac70, 0x5a6c4e72, 
  0xefdfbff, 0x850f5638, 0xae3d1ed5, 0x2d362739, 
  0xf0a64d9, 0x5c6821a6, 0x5b9bd154, 0x36243a2e, 
  0xa0cb167, 0x57930fe7, 0xeeb4d296, 0x9b1b9e91, 
  0xc0804fc5, 0xdc61a220, 0x775a694b, 0x121c161a, 
  0x93e20aba, 0xa0c0e52a, 0x223c43e0, 0x1b121d17, 
  0x90e0b0d, 0x8bf2adc7, 0xb62db9a8, 0x1e14c8a9, 
  0xf1578519, 0x75af4c07, 0x99eebbdd, 0x7fa3fd60, 
  0x1f79f26, 0x725cbcf5, 0x6644c53b, 0xfb5b347e, 
  0x438b7629, 0x23cbdcc6, 0xedb668fc, 0xe4b863f1, 
  0x31d7cadc, 0x63421085, 0x97134022, 0xc6842011, 
  0x4a857d24, 0xbbd2f83d, 0xf9ae1132, 0x29c76da1, 
  0x9e1d4b2f, 0xb2dcf330, 0x860dec52, 0xc177d0e3, 
  0xb32b6c16, 0x70a999b9, 0x9411fa48, 0xe9472264, 
  0xfca8c48c, 0xf0a01a3f, 0x7d56d82c, 0x3322ef90, 
  0x4987c74e, 0x38d9c1d1, 0xca8cfea2, 0xd498360b, 
  0xf5a6cf81, 0x7aa528de, 0xb7da268e, 0xad3fa4bf, 
  0x3a2ce49d, 0x78500d92, 0x5f6a9bcc, 0x7e546246, 
  0x8df6c213, 0xd890e8b8, 0x392e5ef7, 0xc382f5af, 
  0x5d9fbe80, 0xd0697c93, 0xd56fa92d, 0x25cfb312, 
  0xacc83b99, 0x1810a77d, 0x9ce86e63, 0x3bdb7bbb, 
  0x26cd0978, 0x596ef418, 0x9aec01b7, 0x4f83a89a, 
  0x95e6656e, 0xffaa7ee6, 0xbc2108cf, 0x15efe6e8, 
  0xe7bad99b, 0x6f4ace36, 0x9fead409, 0xb029d67c, 
  0xa431afb2, 0x3f2a3123, 0xa5c63094, 0xa235c066, 
  0x4e7437bc, 0x82fca6ca, 0x90e0b0d0, 0xa73315d8, 
  0x4f14a98, 0xec41f7da, 0xcd7f0e50, 0x91172ff6, 
  0x4d768dd6, 0xef434db0, 0xaacc544d, 0x96e4df04, 
  0xd19ee3b5, 0x6a4c1b88, 0x2cc1b81f, 0x65467f51, 
  0x5e9d04ea, 0x8c015d35, 0x87fa7374, 0xbfb2e41, 
  0x67b35a1d, 0xdb9252d2, 0x10e93356, 0xd66d1347, 
  0xd79a8c61, 0xa1377a0c, 0xf8598e14, 0x13eb893c, 
  0xa9ceee27, 0x61b735c9, 0x1ce1ede5, 0x477a3cb1, 
  0xd29c59df, 0xf2553f73, 0x141879ce, 0xc773bf37, 
  0xf753eacd, 0xfd5f5baa, 0x3ddf146f, 0x447886db, 
  0xafca81f3, 0x68b93ec4, 0x24382c34, 0xa3c25f40, 
  0x1d1672c3, 0xe2bc0c25, 0x3c288b49, 0xdff4195, 
  0xa8397101, 0xc08deb3, 0xb4d89ce4, 0x566490c1, 
  0xcb7b6184, 0x32d570b6, 0x6c48745c, 0xb8d04257, 
};

static uint32_t U3[256] = {
  0x5150a7f4, 0x7e536541, 0x1ac3a417, 0x3a965e27, 
  0x3bcb6bab, 0x1ff1459d, 0xacab58fa, 0x4b9303e3, 
  0x2055fa30, 0xadf66d76, 0x889176cc, 0xf5254c02, 
  0x4ffcd7e5, 0xc5d7cb2a, 0x26804435, 0xb58fa362, 
  0xde495ab1, 0x25671bba, 0x45980eea, 0x5de1c0fe, 
  0xc302752f, 0x8112f04c, 0x8da39746, 0x6bc6f9d3, 
  0x3e75f8f, 0x15959c92, 0xbfeb7a6d, 0x95da5952, 
  0xd42d83be, 0x58d32174, 0x492969e0, 0x8e44c8c9, 
  0x756a89c2, 0xf478798e, 0x996b3e58, 0x27dd71b9, 
  0xbeb64fe1, 0xf017ad88, 0xc966ac20, 0x7db43ace, 
  0x63184adf, 0xe582311a, 0x97603351, 0x62457f53, 
  0xb1e07764, 0xbb84ae6b, 0xfe1ca081, 0xf9942b08, 
  0x70586848, 0x8f19fd45, 0x94876cde, 0x52b7f87b, 
  0xab23d373, 0x72e2024b, 0xe3578f1f, 0x662aab55, 
  0xb20728eb, 0x2f03c2b5, 0x869a7bc5, 0xd3a50837, 
  0x30f28728, 0x23b2a5bf, 0x2ba6a03, 0xed5c8216, 
  0x8a2b1ccf, 0xa792b479, 0xf3f0f207, 0x4ea1e269, 
  0x65cdf4da, 0x6d5be05, 0xd11f6234, 0xc48afea6, 
  0x349d532e, 0xa2a055f3, 0x532e18a, 0xa475ebf6, 
  0xb39ec83, 0x40aaef60, 0x5e069f71, 0xbd51106e, 
  0x3ef98a21, 0x963d06dd, 0xddae053e, 0x4d46bde6, 
  0x91b58d54, 0x71055dc4, 0x46fd406, 0x60ff1550, 
  0x1924fb98, 0xd697e9bd, 0x89cc4340, 0x67779ed9, 
  0xb0bd42e8, 0x7888b89, 0xe7385b19, 0x79dbeec8, 
  0xa1470a7c, 0x7ce90f42, 0xf8c91e84, 0x0, 
  0x9838680, 0x3248ed2b, 0x1eac7011, 0x6c4e725a, 
  0xfdfbff0e, 0xf563885, 0x3d1ed5ae, 0x3627392d, 
  0xa64d90f, 0x6821a65c, 0x9bd1545b, 0x243a2e36, 
  0xcb1670a, 0x930fe757, 0xb4d296ee, 0x1b9e919b, 
  0x804fc5c0, 0x61a220dc, 0x5a694b77, 0x1c161a12, 
  0xe20aba93, 0xc0e52aa0, 0x3c43e022, 0x121d171b, 
  0xe0b0d09, 0xf2adc78b, 0x2db9a8b6, 0x14c8a91e, 
  0x578519f1, 0xaf4c0775, 0xeebbdd99, 0xa3fd607f, 
  0xf79f2601, 0x5cbcf572, 0x44c53b66, 0x5b347efb, 
  0x8b762943, 0xcbdcc623, 0xb668fced, 0xb863f1e4, 
  0xd7cadc31, 0x42108563, 0x13402297, 0x842011c6, 
  0x857d244a, 0xd2f83dbb, 0xae1132f9, 0xc76da129, 
  0x1d4b2f9e, 0xdcf330b2, 0xdec5286, 0x77d0e3c1, 
  0x2b6c16b3, 0xa999b970, 0x11fa4894, 0x472264e9, 
  0xa8c48cfc, 0xa01a3ff0, 0x56d82c7d, 0x22ef9033, 
  0x87c74e49, 0xd9c1d138, 0x8cfea2ca, 0x98360bd4, 
  0xa6cf81f5, 0xa528de7a, 0xda268eb7, 0x3fa4bfad, 
  0x2ce49d3a, 0x500d9278, 0x6a9bcc5f, 0x5462467e, 
  0xf6c2138d, 0x90e8b8d8, 0x2e5ef739, 0x82f5afc3, 
  0x9fbe805d, 0x697c93d0, 0x6fa92dd5, 0xcfb31225, 
  0xc83b99ac, 0x10a77d18, 0xe86e639c, 0xdb7bbb3b, 
  0xcd097826, 0x6ef41859, 0xec01b79a, 0x83a89a4f, 
  0xe6656e95, 0xaa7ee6ff, 0x2108cfbc, 0xefe6e815, 
  0xbad99be7, 0x4ace366f, 0xead4099f, 0x29d67cb0, 
  0x31afb2a4, 0x2a31233f, 0xc63094a5, 0x35c066a2, 
  0x7437bc4e, 0xfca6ca82, 0xe0b0d090, 0x3315d8a7, 
  0xf14a9804, 0x41f7daec, 0x7f0e50cd, 0x172ff691, 
  0x768dd64d, 0x434db0ef, 0xcc544daa, 0xe4df0496, 
  0x9ee3b5d1, 0x4c1b886a, 0xc1b81f2c, 0x467f5165, 
  0x9d04ea5e, 0x15d358c, 0xfa737487, 0xfb2e410b, 
  0xb35a1d67, 0x9252d2db, 0xe9335610, 0x6d1347d6, 
  0x9a8c61d7, 0x377a0ca1, 0x598e14f8, 0xeb893c13, 
  0xceee27a9, 0xb735c961, 0xe1ede51c, 0x7a3cb147, 
  0x9c59dfd2, 0x553f73f2, 0x1879ce14, 0x73bf37c7, 
  0x53eacdf7, 0x5f5baafd, 0xdf146f3d, 0x7886db44, 
  0xca81f3af, 0xb93ec468, 0x382c3424, 0xc25f40a3, 
  0x1672c31d, 0xbc0c25e2, 0x288b493c, 0xff41950d, 
  0x397101a8, 0x8deb30c, 0xd89ce4b4, 0x6490c156, 
  0x7b6184cb, 0xd570b632, 0x48745c6c, 0xd04257b8, 
};

#else /* assume big endian */

static uint32_t T0[256] = {
  0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 
  0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, 
  0x60303050, 0x2010103, 0xce6767a9, 0x562b2b7d, 
  0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, 
  0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, 
  0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, 
  0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 
  0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, 
  0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, 
  0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, 
  0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, 
  0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, 
  0x804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 
  0x30181828, 0x379696a1, 0xa05050f, 0x2f9a9ab5, 
  0xe070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, 
  0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, 
  0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, 
  0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, 
  0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 
  0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, 
  0xa65353f5, 0xb9d1d168, 0x0, 0xc1eded2c, 
  0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, 
  0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, 
  0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, 
  0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 
  0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, 
  0x8a4545cf, 0xe9f9f910, 0x4020206, 0xfe7f7f81, 
  0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, 
  0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x58f8f8a, 
  0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, 
  0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 
  0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, 
  0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, 
  0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, 
  0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, 
  0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, 
  0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 
  0x44222266, 0x542a2a7e, 0x3b9090ab, 0xb888883, 
  0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, 
  0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, 
  0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, 
  0x924949db, 0xc06060a, 0x4824246c, 0xb85c5ce4, 
  0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 
  0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, 
  0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, 
  0x18d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, 
  0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, 
  0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, 
  0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 
  0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, 
  0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, 
  0x964b4bdd, 0x61bdbddc, 0xd8b8b86, 0xf8a8a85, 
  0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, 
  0x904848d8, 0x6030305, 0xf7f6f601, 0x1c0e0e12, 
  0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 
  0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, 
  0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, 
  0xd26969bb, 0xa9d9d970, 0x78e8e89, 0x339494a7, 
  0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, 
  0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, 
  0x38c8c8f, 0x59a1a1f8, 0x9898980, 0x1a0d0d17, 
  0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, 
  0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, 
  0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a, 
};

static uint32_t T1[256] = {
  0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 
  0xdfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, 
  0x50603030, 0x3020101, 0xa9ce6767, 0x7d562b2b, 
  0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, 
  0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, 
  0x15effafa, 0xebb25959, 0xc98e4747, 0xbfbf0f0, 
  0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 
  0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, 
  0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, 
  0x5a6c3636, 0x417e3f3f, 0x2f5f7f7, 0x4f83cccc, 
  0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x8f9f1f1, 
  0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, 
  0xc080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 
  0x28301818, 0xa1379696, 0xf0a0505, 0xb52f9a9a, 
  0x90e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, 
  0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, 
  0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, 
  0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, 
  0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 
  0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, 
  0xf5a65353, 0x68b9d1d1, 0x0, 0x2cc1eded, 
  0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, 
  0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, 
  0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, 
  0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 
  0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, 
  0xcf8a4545, 0x10e9f9f9, 0x6040202, 0x81fe7f7f, 
  0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, 
  0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, 
  0xad3f9292, 0xbc219d9d, 0x48703838, 0x4f1f5f5, 
  0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 
  0x30201010, 0x1ae5ffff, 0xefdf3f3, 0x6dbfd2d2, 
  0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, 
  0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, 
  0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, 
  0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, 
  0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 
  0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, 
  0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, 
  0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, 
  0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, 
  0xdb924949, 0xa0c0606, 0x6c482424, 0xe4b85c5c, 
  0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 
  0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, 
  0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, 
  0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, 
  0xb4d86c6c, 0xfaac5656, 0x7f3f4f4, 0x25cfeaea, 
  0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, 
  0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 
  0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, 
  0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, 
  0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, 
  0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, 
  0xd8904848, 0x5060303, 0x1f7f6f6, 0x121c0e0e, 
  0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 
  0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, 
  0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, 
  0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, 
  0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, 
  0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, 
  0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 
  0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, 
  0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, 
  0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616, 
};

static uint32_t T2[256] = {
  0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 
  0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, 
  0x30506030, 0x1030201, 0x67a9ce67, 0x2b7d562b, 
  0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, 
  0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, 
  0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, 
  0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 
  0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, 
  0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, 
  0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, 
  0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, 
  0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, 
  0x40c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 
  0x18283018, 0x96a13796, 0x50f0a05, 0x9ab52f9a, 
  0x7090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, 
  0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, 
  0x91b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, 
  0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, 
  0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 
  0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, 
  0x53f5a653, 0xd168b9d1, 0x0, 0xed2cc1ed, 
  0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, 
  0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, 
  0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, 
  0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 
  0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, 
  0x45cf8a45, 0xf910e9f9, 0x2060402, 0x7f81fe7f, 
  0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, 
  0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, 
  0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, 
  0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 
  0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, 
  0xcd4c81cd, 0xc14180c, 0x13352613, 0xec2fc3ec, 
  0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, 
  0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, 
  0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, 
  0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 
  0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, 
  0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, 
  0xde79a7de, 0x5ee2bc5e, 0xb1d160b, 0xdb76addb, 
  0xe03bdbe0, 0x32566432, 0x3a4e743a, 0xa1e140a, 
  0x49db9249, 0x60a0c06, 0x246c4824, 0x5ce4b85c, 
  0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 
  0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, 
  0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, 
  0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, 
  0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, 
  0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x8181008, 
  0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 
  0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, 
  0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, 
  0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, 
  0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, 
  0x48d89048, 0x3050603, 0xf601f7f6, 0xe121c0e, 
  0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 
  0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, 
  0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, 
  0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, 
  0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, 
  0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, 
  0x8c8f038c, 0xa1f859a1, 0x89800989, 0xd171a0d, 
  0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, 
  0x41c38241, 0x99b02999, 0x2d775a2d, 0xf111e0f, 
  0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16, 
};

static uint32_t T3[256] = {
  0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 
  0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, 
  0x30305060, 0x1010302, 0x6767a9ce, 0x2b2b7d56, 
  0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, 
  0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, 
  0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, 
  0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 
  0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, 
  0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, 
  0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, 
  0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, 
  0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, 
  0x4040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 
  0x18182830, 0x9696a137, 0x5050f0a, 0x9a9ab52f, 
  0x707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, 
  0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, 
  0x9091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, 
  0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, 
  0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 
  0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, 
  0x5353f5a6, 0xd1d168b9, 0x0, 0xeded2cc1, 
  0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, 
  0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, 
  0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, 
  0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 
  0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, 
  0x4545cf8a, 0xf9f910e9, 0x2020604, 0x7f7f81fe, 
  0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, 
  0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, 
  0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, 
  0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 
  0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, 
  0xcdcd4c81, 0xc0c1418, 0x13133526, 0xecec2fc3, 
  0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, 
  0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, 
  0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, 
  0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 
  0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, 
  0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, 
  0xdede79a7, 0x5e5ee2bc, 0xb0b1d16, 0xdbdb76ad, 
  0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0xa0a1e14, 
  0x4949db92, 0x6060a0c, 0x24246c48, 0x5c5ce4b8, 
  0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 
  0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, 
  0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, 
  0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, 
  0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, 
  0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x8081810, 
  0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 
  0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, 
  0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, 
  0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, 
  0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, 
  0x4848d890, 0x3030506, 0xf6f601f7, 0xe0e121c, 
  0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 
  0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, 
  0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, 
  0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, 
  0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, 
  0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, 
  0x8c8c8f03, 0xa1a1f859, 0x89898009, 0xd0d171a, 
  0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, 
  0x4141c382, 0x9999b029, 0x2d2d775a, 0xf0f111e, 
  0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c, 
};

static uint32_t U0[256] = {
  0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 
  0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, 
  0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, 
  0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, 
  0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, 
  0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, 
  0x38f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 
  0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, 
  0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, 
  0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, 
  0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, 
  0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, 
  0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 
  0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, 
  0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, 
  0x302887f2, 0x23bfa5b2, 0x2036aba, 0xed16825c, 
  0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, 
  0x65daf4cd, 0x605bed5, 0xd134621f, 0xc4a6fe8a, 
  0x342e539d, 0xa2f355a0, 0x58ae132, 0xa4f6eb75, 
  0xb83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, 
  0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, 
  0x91548db5, 0x71c45d05, 0x406d46f, 0x605015ff, 
  0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, 
  0xb0e842bd, 0x7898b88, 0xe7195b38, 0x79c8eedb, 
  0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x0, 
  0x9808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, 
  0xfd0efffb, 0xf853856, 0x3daed51e, 0x362d3927, 
  0xa0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, 
  0xc0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, 
  0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, 
  0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 
  0xe090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, 
  0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, 
  0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, 
  0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, 
  0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, 
  0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 
  0x1d9e2f4b, 0xdcb230f3, 0xd8652ec, 0x77c1e3d0, 
  0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, 
  0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, 
  0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, 
  0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, 
  0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 
  0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, 
  0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, 
  0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, 
  0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, 
  0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, 
  0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 
  0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, 
  0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, 
  0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, 
  0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, 
  0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, 
  0x9d5eea04, 0x18c355d, 0xfa877473, 0xfb0b412e, 
  0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, 
  0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, 
  0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, 
  0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, 
  0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, 
  0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 
  0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, 
  0x39a80171, 0x80cb3de, 0xd8b4e49c, 0x6456c190, 
  0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742
};

static uint32_t U1[256] = {
  0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 
  0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, 
  0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, 
  0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, 
  0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, 
  0x2c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, 
  0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 
  0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, 
  0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, 
  0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, 
  0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, 
  0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, 
  0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 
  0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, 
  0x7b2eb28, 0x32fb5c2, 0x9a86c57b, 0xa5d33708, 
  0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, 
  0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, 
  0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, 
  0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 
  0x390b83ec, 0xaa4060ef, 0x65e719f, 0x51bd6e10, 
  0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, 
  0xb591548d, 0x571c45d, 0x6f0406d4, 0xff605015, 
  0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, 
  0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, 
  0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x0, 
  0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, 
  0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, 
  0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, 
  0xb10c0a67, 0xf9357e7, 0xd2b4ee96, 0x9e1b9b91, 
  0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, 
  0xae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 
  0xb0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, 
  0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, 
  0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, 
  0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, 
  0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, 
  0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 
  0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, 
  0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, 
  0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, 
  0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, 
  0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, 
  0xe42c3a9d, 0xd507892, 0x9b6a5fcc, 0x62547e46, 
  0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, 
  0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, 
  0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, 
  0x9cd2678, 0xf46e5918, 0x1ec9ab7, 0xa8834f9a, 
  0x65e6956e, 0x7eaaffe6, 0x821bccf, 0xe6ef15e8, 
  0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 
  0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, 
  0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, 
  0x4af10498, 0xf741ecda, 0xe7fcd50, 0x2f1791f6, 
  0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, 
  0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, 
  0x49d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 
  0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, 
  0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, 
  0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, 
  0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, 
  0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, 
  0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 
  0x72161dc3, 0xcbce225, 0x8b283c49, 0x41ff0d95, 
  0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, 
  0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857
};

static uint32_t U2[256] = {
  0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 
  0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x3934be3, 
  0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, 
  0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, 
  0x5a49deb1, 0x1b6725ba, 0xe9845ea, 0xc0e15dfe, 
  0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, 
  0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 
  0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, 
  0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, 
  0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, 
  0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, 
  0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, 
  0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 
  0xd323ab73, 0x2e2724b, 0x8f57e31f, 0xab2a6655, 
  0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x8a5d337, 
  0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, 
  0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, 
  0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, 
  0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 
  0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, 
  0x8af93e21, 0x63d96dd, 0x5aedd3e, 0xbd464de6, 
  0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, 
  0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, 
  0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, 
  0xa47a17c, 0xfe97c42, 0x1ec9f884, 0x0, 
  0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, 
  0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, 
  0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, 
  0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, 
  0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, 
  0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 
  0xd0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, 
  0x198557f1, 0x74caf75, 0xddbbee99, 0x60fda37f, 
  0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, 
  0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, 
  0xdccad731, 0x85104263, 0x22401397, 0x112084c6, 
  0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 
  0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, 
  0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, 
  0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, 
  0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0xb3698d4, 
  0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, 
  0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 
  0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, 
  0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, 
  0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, 
  0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, 
  0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, 
  0x9bd9bae7, 0x36ce4a6f, 0x9d4ea9f, 0x7cd629b0, 
  0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, 
  0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, 
  0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, 
  0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x4dfe496, 
  0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, 
  0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 
  0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, 
  0x618c9ad7, 0xc7a37a1, 0x148e59f8, 0x3c89eb13, 
  0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, 
  0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, 
  0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, 
  0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 
  0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, 
  0x17139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, 
  0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8 
};

static uint32_t U3[256] = {
  0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 
  0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, 
  0x30fa5520, 0x766df6ad, 0xcc769188, 0x24c25f5, 
  0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, 
  0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, 
  0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, 
  0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 
  0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, 
  0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, 
  0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, 
  0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, 
  0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x82b94f9, 
  0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 
  0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, 
  0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, 
  0x2887f230, 0xbfa5b223, 0x36aba02, 0x16825ced, 
  0xcf1c2b8a, 0x79b492a7, 0x7f2f0f3, 0x69e2a14e, 
  0xdaf4cd65, 0x5bed506, 0x34621fd1, 0xa6fe8ac4, 
  0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 
  0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, 
  0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, 
  0x548db591, 0xc45d0571, 0x6d46f04, 0x5015ff60, 
  0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, 
  0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, 
  0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x0, 
  0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, 
  0xefffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, 
  0xfd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, 
  0xa67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, 
  0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, 
  0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 
  0x90d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, 
  0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, 
  0x1269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, 
  0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, 
  0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, 
  0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 
  0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, 
  0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, 
  0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, 
  0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, 
  0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, 
  0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 
  0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, 
  0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, 
  0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, 
  0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, 
  0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, 
  0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 
  0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, 
  0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, 
  0x4984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, 
  0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, 
  0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, 
  0x5eea049d, 0x8c355d01, 0x877473fa, 0xb412efb, 
  0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, 
  0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, 
  0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, 
  0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, 
  0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, 
  0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 
  0x1dc37216, 0xe2250cbc, 0x3c498b28, 0xd9541ff, 
  0xa8017139, 0xcb3de08, 0xb4e49cd8, 0x56c19064, 
  0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0 
};

#endif

/* 
 * the following tables (aes_sbox, aes_inv_sbox, T4, U4) are
 * endian-neutral 
 */

static uint8_t
aes_sbox[256] = {
  0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 
  0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 
  0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 
  0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 
  0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 
  0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 
  0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 
  0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 
  0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 
  0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 
  0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 
  0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 
  0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 
  0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 
  0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 
  0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 
  0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 
  0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 
  0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 
  0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 
  0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 
  0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 
  0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 
  0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 
  0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 
  0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 
  0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 
  0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 
  0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 
  0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 
  0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 
  0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 
};

#ifndef CPU_RISC
static uint8_t
aes_inv_sbox[256] = {
  0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 
  0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
  0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
  0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
  0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 
  0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
  0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2,
  0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
  0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 
  0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
  0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 
  0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
  0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 
  0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
  0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 
  0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
  0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 
  0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
  0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 
  0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
  0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 
  0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
  0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 
  0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
  0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 
  0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
  0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 
  0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
  0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 
  0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
  0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 
  0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
};
#endif /* ! CPU_RISC */

#ifdef CPU_RISC
static uint32_t
T4[256] = { 
  0x63636363, 0x7c7c7c7c, 0x77777777, 0x7b7b7b7b,
  0xf2f2f2f2, 0x6b6b6b6b, 0x6f6f6f6f, 0xc5c5c5c5, 
  0x30303030, 0x01010101, 0x67676767, 0x2b2b2b2b, 
  0xfefefefe, 0xd7d7d7d7, 0xabababab, 0x76767676, 
  0xcacacaca, 0x82828282, 0xc9c9c9c9, 0x7d7d7d7d, 
  0xfafafafa, 0x59595959, 0x47474747, 0xf0f0f0f0,
  0xadadadad, 0xd4d4d4d4, 0xa2a2a2a2, 0xafafafaf,
  0x9c9c9c9c, 0xa4a4a4a4, 0x72727272, 0xc0c0c0c0,
  0xb7b7b7b7, 0xfdfdfdfd, 0x93939393, 0x26262626,
  0x36363636, 0x3f3f3f3f, 0xf7f7f7f7, 0xcccccccc,
  0x34343434, 0xa5a5a5a5, 0xe5e5e5e5, 0xf1f1f1f1,
  0x71717171, 0xd8d8d8d8, 0x31313131, 0x15151515,
  0x04040404, 0xc7c7c7c7, 0x23232323, 0xc3c3c3c3,
  0x18181818, 0x96969696, 0x05050505, 0x9a9a9a9a,
  0x07070707, 0x12121212, 0x80808080, 0xe2e2e2e2,
  0xebebebeb, 0x27272727, 0xb2b2b2b2, 0x75757575,
  0x09090909, 0x83838383, 0x2c2c2c2c, 0x1a1a1a1a, 
  0x1b1b1b1b, 0x6e6e6e6e, 0x5a5a5a5a, 0xa0a0a0a0,
  0x52525252, 0x3b3b3b3b, 0xd6d6d6d6, 0xb3b3b3b3,
  0x29292929, 0xe3e3e3e3, 0x2f2f2f2f, 0x84848484,
  0x53535353, 0xd1d1d1d1, 0x00000000, 0xedededed,
  0x20202020, 0xfcfcfcfc, 0xb1b1b1b1, 0x5b5b5b5b,
  0x6a6a6a6a, 0xcbcbcbcb, 0xbebebebe, 0x39393939,
  0x4a4a4a4a, 0x4c4c4c4c, 0x58585858, 0xcfcfcfcf,
  0xd0d0d0d0, 0xefefefef, 0xaaaaaaaa, 0xfbfbfbfb,
  0x43434343, 0x4d4d4d4d, 0x33333333, 0x85858585,
  0x45454545, 0xf9f9f9f9, 0x02020202, 0x7f7f7f7f,
  0x50505050, 0x3c3c3c3c, 0x9f9f9f9f, 0xa8a8a8a8,
  0x51515151, 0xa3a3a3a3, 0x40404040, 0x8f8f8f8f,
  0x92929292, 0x9d9d9d9d, 0x38383838, 0xf5f5f5f5,
  0xbcbcbcbc, 0xb6b6b6b6, 0xdadadada, 0x21212121,
  0x10101010, 0xffffffff, 0xf3f3f3f3, 0xd2d2d2d2,
  0xcdcdcdcd, 0x0c0c0c0c, 0x13131313, 0xecececec,
  0x5f5f5f5f, 0x97979797, 0x44444444, 0x17171717,
  0xc4c4c4c4, 0xa7a7a7a7, 0x7e7e7e7e, 0x3d3d3d3d,
  0x64646464, 0x5d5d5d5d, 0x19191919, 0x73737373,
  0x60606060, 0x81818181, 0x4f4f4f4f, 0xdcdcdcdc,
  0x22222222, 0x2a2a2a2a, 0x90909090, 0x88888888,
  0x46464646, 0xeeeeeeee, 0xb8b8b8b8, 0x14141414, 
  0xdededede, 0x5e5e5e5e, 0x0b0b0b0b, 0xdbdbdbdb, 
  0xe0e0e0e0, 0x32323232, 0x3a3a3a3a, 0x0a0a0a0a,
  0x49494949, 0x06060606, 0x24242424, 0x5c5c5c5c,
  0xc2c2c2c2, 0xd3d3d3d3, 0xacacacac, 0x62626262, 
  0x91919191, 0x95959595, 0xe4e4e4e4, 0x79797979,
  0xe7e7e7e7, 0xc8c8c8c8, 0x37373737, 0x6d6d6d6d,
  0x8d8d8d8d, 0xd5d5d5d5, 0x4e4e4e4e, 0xa9a9a9a9, 
  0x6c6c6c6c, 0x56565656, 0xf4f4f4f4, 0xeaeaeaea,
  0x65656565, 0x7a7a7a7a, 0xaeaeaeae, 0x08080808, 
  0xbabababa, 0x78787878, 0x25252525, 0x2e2e2e2e,
  0x1c1c1c1c, 0xa6a6a6a6, 0xb4b4b4b4, 0xc6c6c6c6,
  0xe8e8e8e8, 0xdddddddd, 0x74747474, 0x1f1f1f1f,
  0x4b4b4b4b, 0xbdbdbdbd, 0x8b8b8b8b, 0x8a8a8a8a,
  0x70707070, 0x3e3e3e3e, 0xb5b5b5b5, 0x66666666,
  0x48484848, 0x03030303, 0xf6f6f6f6, 0x0e0e0e0e,
  0x61616161, 0x35353535, 0x57575757, 0xb9b9b9b9,
  0x86868686, 0xc1c1c1c1, 0x1d1d1d1d, 0x9e9e9e9e,
  0xe1e1e1e1, 0xf8f8f8f8, 0x98989898, 0x11111111, 
  0x69696969, 0xd9d9d9d9, 0x8e8e8e8e, 0x94949494,
  0x9b9b9b9b, 0x1e1e1e1e, 0x87878787, 0xe9e9e9e9,
  0xcececece, 0x55555555, 0x28282828, 0xdfdfdfdf,
  0x8c8c8c8c, 0xa1a1a1a1, 0x89898989, 0x0d0d0d0d,
  0xbfbfbfbf, 0xe6e6e6e6, 0x42424242, 0x68686868,
  0x41414141, 0x99999999, 0x2d2d2d2d, 0x0f0f0f0f,
  0xb0b0b0b0, 0x54545454, 0xbbbbbbbb, 0x16161616
};

static uint32_t U4[256] = {
  0x52525252, 0x9090909, 0x6a6a6a6a, 0xd5d5d5d5, 
  0x30303030, 0x36363636, 0xa5a5a5a5, 0x38383838, 
  0xbfbfbfbf, 0x40404040, 0xa3a3a3a3, 0x9e9e9e9e, 
  0x81818181, 0xf3f3f3f3, 0xd7d7d7d7, 0xfbfbfbfb, 
  0x7c7c7c7c, 0xe3e3e3e3, 0x39393939, 0x82828282, 
  0x9b9b9b9b, 0x2f2f2f2f, 0xffffffff, 0x87878787, 
  0x34343434, 0x8e8e8e8e, 0x43434343, 0x44444444, 
  0xc4c4c4c4, 0xdededede, 0xe9e9e9e9, 0xcbcbcbcb, 
  0x54545454, 0x7b7b7b7b, 0x94949494, 0x32323232, 
  0xa6a6a6a6, 0xc2c2c2c2, 0x23232323, 0x3d3d3d3d, 
  0xeeeeeeee, 0x4c4c4c4c, 0x95959595, 0xb0b0b0b, 
  0x42424242, 0xfafafafa, 0xc3c3c3c3, 0x4e4e4e4e, 
  0x8080808, 0x2e2e2e2e, 0xa1a1a1a1, 0x66666666, 
  0x28282828, 0xd9d9d9d9, 0x24242424, 0xb2b2b2b2, 
  0x76767676, 0x5b5b5b5b, 0xa2a2a2a2, 0x49494949, 
  0x6d6d6d6d, 0x8b8b8b8b, 0xd1d1d1d1, 0x25252525, 
  0x72727272, 0xf8f8f8f8, 0xf6f6f6f6, 0x64646464, 
  0x86868686, 0x68686868, 0x98989898, 0x16161616, 
  0xd4d4d4d4, 0xa4a4a4a4, 0x5c5c5c5c, 0xcccccccc, 
  0x5d5d5d5d, 0x65656565, 0xb6b6b6b6, 0x92929292, 
  0x6c6c6c6c, 0x70707070, 0x48484848, 0x50505050, 
  0xfdfdfdfd, 0xedededed, 0xb9b9b9b9, 0xdadadada, 
  0x5e5e5e5e, 0x15151515, 0x46464646, 0x57575757, 
  0xa7a7a7a7, 0x8d8d8d8d, 0x9d9d9d9d, 0x84848484, 
  0x90909090, 0xd8d8d8d8, 0xabababab, 0x0, 
  0x8c8c8c8c, 0xbcbcbcbc, 0xd3d3d3d3, 0xa0a0a0a, 
  0xf7f7f7f7, 0xe4e4e4e4, 0x58585858, 0x5050505, 
  0xb8b8b8b8, 0xb3b3b3b3, 0x45454545, 0x6060606, 
  0xd0d0d0d0, 0x2c2c2c2c, 0x1e1e1e1e, 0x8f8f8f8f, 
  0xcacacaca, 0x3f3f3f3f, 0xf0f0f0f, 0x2020202, 
  0xc1c1c1c1, 0xafafafaf, 0xbdbdbdbd, 0x3030303, 
  0x1010101, 0x13131313, 0x8a8a8a8a, 0x6b6b6b6b, 
  0x3a3a3a3a, 0x91919191, 0x11111111, 0x41414141, 
  0x4f4f4f4f, 0x67676767, 0xdcdcdcdc, 0xeaeaeaea, 
  0x97979797, 0xf2f2f2f2, 0xcfcfcfcf, 0xcececece, 
  0xf0f0f0f0, 0xb4b4b4b4, 0xe6e6e6e6, 0x73737373, 
  0x96969696, 0xacacacac, 0x74747474, 0x22222222, 
  0xe7e7e7e7, 0xadadadad, 0x35353535, 0x85858585, 
  0xe2e2e2e2, 0xf9f9f9f9, 0x37373737, 0xe8e8e8e8, 
  0x1c1c1c1c, 0x75757575, 0xdfdfdfdf, 0x6e6e6e6e, 
  0x47474747, 0xf1f1f1f1, 0x1a1a1a1a, 0x71717171, 
  0x1d1d1d1d, 0x29292929, 0xc5c5c5c5, 0x89898989, 
  0x6f6f6f6f, 0xb7b7b7b7, 0x62626262, 0xe0e0e0e, 
  0xaaaaaaaa, 0x18181818, 0xbebebebe, 0x1b1b1b1b, 
  0xfcfcfcfc, 0x56565656, 0x3e3e3e3e, 0x4b4b4b4b, 
  0xc6c6c6c6, 0xd2d2d2d2, 0x79797979, 0x20202020, 
  0x9a9a9a9a, 0xdbdbdbdb, 0xc0c0c0c0, 0xfefefefe, 
  0x78787878, 0xcdcdcdcd, 0x5a5a5a5a, 0xf4f4f4f4, 
  0x1f1f1f1f, 0xdddddddd, 0xa8a8a8a8, 0x33333333, 
  0x88888888, 0x7070707, 0xc7c7c7c7, 0x31313131, 
  0xb1b1b1b1, 0x12121212, 0x10101010, 0x59595959, 
  0x27272727, 0x80808080, 0xecececec, 0x5f5f5f5f, 
  0x60606060, 0x51515151, 0x7f7f7f7f, 0xa9a9a9a9, 
  0x19191919, 0xb5b5b5b5, 0x4a4a4a4a, 0xd0d0d0d, 
  0x2d2d2d2d, 0xe5e5e5e5, 0x7a7a7a7a, 0x9f9f9f9f, 
  0x93939393, 0xc9c9c9c9, 0x9c9c9c9c, 0xefefefef, 
  0xa0a0a0a0, 0xe0e0e0e0, 0x3b3b3b3b, 0x4d4d4d4d, 
  0xaeaeaeae, 0x2a2a2a2a, 0xf5f5f5f5, 0xb0b0b0b0, 
  0xc8c8c8c8, 0xebebebeb, 0xbbbbbbbb, 0x3c3c3c3c, 
  0x83838383, 0x53535353, 0x99999999, 0x61616161, 
  0x17171717, 0x2b2b2b2b, 0x4040404, 0x7e7e7e7e, 
  0xbabababa, 0x77777777, 0xd6d6d6d6, 0x26262626, 
  0xe1e1e1e1, 0x69696969, 0x14141414, 0x63636363, 
  0x55555555, 0x21212121, 0xc0c0c0c, 0x7d7d7d7d
};
#endif /* CPU_RISC */


/* aes internals */

extern debug_module_t mod_aes_icm;

static void
aes_128_expand_encryption_key(const uint8_t *key, 
			      aes_expanded_key_t *expanded_key) {
  int i;
  gf2_8 rc;

  /* initialize round constant */
  rc = 1;

  expanded_key->num_rounds = 10;

  v128_copy_octet_string(&expanded_key->round[0], key);

#if 0
  debug_print(mod_aes_icm, 
	      "expanded key[0]:  %s", v128_hex_string(&expanded_key->round[0])); 
#endif

  /* loop over round keys */
  for (i=1; i < 11; i++) {

    /* munge first word of round key */
    expanded_key->round[i].v8[0] = aes_sbox[expanded_key->round[i-1].v8[13]] ^ rc;
    expanded_key->round[i].v8[1] = aes_sbox[expanded_key->round[i-1].v8[14]];
    expanded_key->round[i].v8[2] = aes_sbox[expanded_key->round[i-1].v8[15]];
    expanded_key->round[i].v8[3] = aes_sbox[expanded_key->round[i-1].v8[12]];

    expanded_key->round[i].v32[0] ^=  expanded_key->round[i-1].v32[0];

    /* set remaining 32 bit words to the exor of the one previous with
     * the one four words previous */

    expanded_key->round[i].v32[1] =
      expanded_key->round[i].v32[0] ^ expanded_key->round[i-1].v32[1];

    expanded_key->round[i].v32[2] =
      expanded_key->round[i].v32[1] ^ expanded_key->round[i-1].v32[2];

    expanded_key->round[i].v32[3] =
      expanded_key->round[i].v32[2] ^ expanded_key->round[i-1].v32[3];

#if 0
	debug_print2(mod_aes_icm, 
				"expanded key[%d]:  %s", i,v128_hex_string(&expanded_key->round[i])); 
#endif

    /* modify round constant */
    rc = gf2_8_shift(rc);

  }
}

static void
aes_256_expand_encryption_key(const unsigned char *key, 
			      aes_expanded_key_t *expanded_key) {
  int i;
  gf2_8 rc;

  /* initialize round constant */
  rc = 1;

  expanded_key->num_rounds = 14;

  v128_copy_octet_string(&expanded_key->round[0], key);
  v128_copy_octet_string(&expanded_key->round[1], key+16);

#if 0
  debug_print(mod_aes_icm, 
	      "expanded key[0]:  %s", v128_hex_string(&expanded_key->round[0])); 
  debug_print(mod_aes_icm, 
	      "expanded key[1]:  %s", v128_hex_string(&expanded_key->round[1])); 
#endif

  /* loop over rest of round keys */
  for (i=2; i < 15; i++) {

    /* munge first word of round key */
    if ((i & 1) == 0) {
      expanded_key->round[i].v8[0] = aes_sbox[expanded_key->round[i-1].v8[13]] ^ rc;
      expanded_key->round[i].v8[1] = aes_sbox[expanded_key->round[i-1].v8[14]];
      expanded_key->round[i].v8[2] = aes_sbox[expanded_key->round[i-1].v8[15]];
      expanded_key->round[i].v8[3] = aes_sbox[expanded_key->round[i-1].v8[12]];

      /* modify round constant */
      rc = gf2_8_shift(rc);
    }
    else {
      expanded_key->round[i].v8[0] = aes_sbox[expanded_key->round[i-1].v8[12]];
      expanded_key->round[i].v8[1] = aes_sbox[expanded_key->round[i-1].v8[13]];
      expanded_key->round[i].v8[2] = aes_sbox[expanded_key->round[i-1].v8[14]];
      expanded_key->round[i].v8[3] = aes_sbox[expanded_key->round[i-1].v8[15]];
    }

    expanded_key->round[i].v32[0] ^=  expanded_key->round[i-2].v32[0];

    /* set remaining 32 bit words to the exor of the one previous with
     * the one eight words previous */

    expanded_key->round[i].v32[1] =
      expanded_key->round[i].v32[0] ^ expanded_key->round[i-2].v32[1];

    expanded_key->round[i].v32[2] =
      expanded_key->round[i].v32[1] ^ expanded_key->round[i-2].v32[2];

    expanded_key->round[i].v32[3] =
      expanded_key->round[i].v32[2] ^ expanded_key->round[i-2].v32[3];

#if 0
    debug_print2(mod_aes_icm, 
		 "expanded key[%d]:  %s", i,v128_hex_string(&expanded_key->round[i])); 
#endif

  }
}

err_status_t
aes_expand_encryption_key(const uint8_t *key, 
			  int key_len,
			  aes_expanded_key_t *expanded_key) {
  if (key_len == 16) {
    aes_128_expand_encryption_key(key, expanded_key);
    return err_status_ok;
  }
  else if (key_len == 24) {
    /* AES-192 not yet supported */
    return err_status_bad_param;
  }
  else if (key_len == 32) {
    aes_256_expand_encryption_key(key, expanded_key);
    return err_status_ok;
  }
  else
    return err_status_bad_param;
}

err_status_t
aes_expand_decryption_key(const uint8_t *key, 
			  int key_len,
			  aes_expanded_key_t *expanded_key) {
  int i;
  err_status_t status;
  int num_rounds = expanded_key->num_rounds;

  status = aes_expand_encryption_key(key, key_len, expanded_key);
  if (status)
    return status;

  /* invert the order of the round keys */
  for (i=0; i < num_rounds/2; i++) {
    v128_t tmp;
    v128_copy(&tmp, &expanded_key->round[num_rounds-i]);
    v128_copy(&expanded_key->round[num_rounds-i], &expanded_key->round[i]);
    v128_copy(&expanded_key->round[i], &tmp);
  }

  /* 
   * apply the inverse mixColumn transform to the round keys (except
   * for the first and the last)  
   *
   * mixColumn is implemented by using the tables U0, U1, U2, U3,
   * followed by the T4 table (which cancels out the use of the sbox
   * in the U-tables)
   */
  for (i=1; i < num_rounds; i++) {
#ifdef CPU_RISC
    uint32_t tmp;

#ifdef WORDS_BIGENDIAN
    tmp = expanded_key->round[i].v32[0];
    expanded_key->round[i].v32[0] = 
      U0[T4[(tmp >> 24)       ] & 0xff] ^ 
      U1[T4[(tmp >> 16) & 0xff] & 0xff] ^ 
      U2[T4[(tmp >> 8)  & 0xff] & 0xff] ^ 
      U3[T4[(tmp)       & 0xff] & 0xff];

    tmp = expanded_key->round[i].v32[1];
    expanded_key->round[i].v32[1] = 
      U0[T4[(tmp >> 24)       ] & 0xff] ^ 
      U1[T4[(tmp >> 16) & 0xff] & 0xff] ^ 
      U2[T4[(tmp >> 8)  & 0xff] & 0xff] ^ 
      U3[T4[(tmp)       & 0xff] & 0xff];

    tmp = expanded_key->round[i].v32[2];
    expanded_key->round[i].v32[2] = 
      U0[T4[(tmp >> 24)       ] & 0xff] ^ 
      U1[T4[(tmp >> 16) & 0xff] & 0xff] ^ 
      U2[T4[(tmp >> 8)  & 0xff] & 0xff] ^ 
      U3[T4[(tmp)       & 0xff] & 0xff];

    tmp = expanded_key->round[i].v32[3];
    expanded_key->round[i].v32[3] = 
      U0[T4[(tmp >> 24)       ] & 0xff] ^ 
      U1[T4[(tmp >> 16) & 0xff] & 0xff] ^ 
      U2[T4[(tmp >> 8)  & 0xff] & 0xff] ^ 
      U3[T4[(tmp)       & 0xff] & 0xff];
#else
    tmp = expanded_key->round[i].v32[0];
    expanded_key->round[i].v32[0] = 
      U3[T4[(tmp >> 24)       ] & 0xff] ^ 
      U2[T4[(tmp >> 16) & 0xff] & 0xff] ^ 
      U1[T4[(tmp >> 8)  & 0xff] & 0xff] ^ 
      U0[T4[(tmp)       & 0xff] & 0xff];

    tmp = expanded_key->round[i].v32[1];
    expanded_key->round[i].v32[1] = 
      U3[T4[(tmp >> 24)       ] & 0xff] ^ 
      U2[T4[(tmp >> 16) & 0xff] & 0xff] ^ 
      U1[T4[(tmp >> 8)  & 0xff] & 0xff] ^ 
      U0[T4[(tmp)       & 0xff] & 0xff];

    tmp = expanded_key->round[i].v32[2];
    expanded_key->round[i].v32[2] = 
      U3[T4[(tmp >> 24)       ] & 0xff] ^ 
      U2[T4[(tmp >> 16) & 0xff] & 0xff] ^ 
      U1[T4[(tmp >> 8)  & 0xff] & 0xff] ^ 
      U0[T4[(tmp)       & 0xff] & 0xff];

    tmp = expanded_key->round[i].v32[3];
    expanded_key->round[i].v32[3] = 
      U3[T4[(tmp >> 24)       ] & 0xff] ^ 
      U2[T4[(tmp >> 16) & 0xff] & 0xff] ^ 
      U1[T4[(tmp >> 8)  & 0xff] & 0xff] ^ 
      U0[T4[(tmp)       & 0xff] & 0xff];
#endif /* WORDS_BIGENDIAN */

#else /* assume CPU_CISC */

    uint32_t c0, c1, c2, c3;

    c0 = U0[aes_sbox[expanded_key->round[i].v8[0]]] 
       ^ U1[aes_sbox[expanded_key->round[i].v8[1]]] 
       ^ U2[aes_sbox[expanded_key->round[i].v8[2]]] 
       ^ U3[aes_sbox[expanded_key->round[i].v8[3]]];

    c1 = U0[aes_sbox[expanded_key->round[i].v8[4]]] 
       ^ U1[aes_sbox[expanded_key->round[i].v8[5]]] 
       ^ U2[aes_sbox[expanded_key->round[i].v8[6]]] 
       ^ U3[aes_sbox[expanded_key->round[i].v8[7]]];

    c2 = U0[aes_sbox[expanded_key->round[i].v8[8]]] 
       ^ U1[aes_sbox[expanded_key->round[i].v8[9]]] 
       ^ U2[aes_sbox[expanded_key->round[i].v8[10]]] 
       ^ U3[aes_sbox[expanded_key->round[i].v8[11]]];

    c3 = U0[aes_sbox[expanded_key->round[i].v8[12]]] 
       ^ U1[aes_sbox[expanded_key->round[i].v8[13]]] 
       ^ U2[aes_sbox[expanded_key->round[i].v8[14]]] 
       ^ U3[aes_sbox[expanded_key->round[i].v8[15]]];

    expanded_key->round[i].v32[0] = c0;
    expanded_key->round[i].v32[1] = c1;
    expanded_key->round[i].v32[2] = c2;
    expanded_key->round[i].v32[3] = c3;

#endif     
  }

  return err_status_ok;
}

#ifdef CPU_CISC


static inline void
aes_round(v128_t *state, const v128_t *round_key) {
  uint32_t column0, column1, column2, column3;

  /* compute the columns of the output square in terms of the octets
     of state, using the tables T0, T1, T2, T3 */

  column0 = T0[state->v8[0]] ^ T1[state->v8[5]]
    ^ T2[state->v8[10]] ^ T3[state->v8[15]];

  column1 = T0[state->v8[4]] ^ T1[state->v8[9]]
    ^ T2[state->v8[14]] ^ T3[state->v8[3]];

  column2 = T0[state->v8[8]] ^ T1[state->v8[13]]
    ^ T2[state->v8[2]] ^ T3[state->v8[7]];

  column3 = T0[state->v8[12]] ^ T1[state->v8[1]]
    ^ T2[state->v8[6]] ^ T3[state->v8[11]];

  state->v32[0] = column0 ^ round_key->v32[0];
  state->v32[1] = column1 ^ round_key->v32[1];
  state->v32[2] = column2 ^ round_key->v32[2];
  state->v32[3] = column3 ^ round_key->v32[3];

}


static inline void
aes_inv_round(v128_t *state, const v128_t *round_key) {
  uint32_t column0, column1, column2, column3;

  /* compute the columns of the output square in terms of the octets
     of state, using the tables U0, U1, U2, U3 */

  column0 = U0[state->v8[0]] ^ U1[state->v8[13]]
    ^ U2[state->v8[10]] ^ U3[state->v8[7]];

  column1 = U0[state->v8[4]] ^ U1[state->v8[1]]
    ^ U2[state->v8[14]] ^ U3[state->v8[11]];

  column2 = U0[state->v8[8]] ^ U1[state->v8[5]]
    ^ U2[state->v8[2]] ^ U3[state->v8[15]];

  column3 = U0[state->v8[12]] ^ U1[state->v8[9]]
    ^ U2[state->v8[6]] ^ U3[state->v8[3]];

  state->v32[0] = column0 ^ round_key->v32[0];
  state->v32[1] = column1 ^ round_key->v32[1];
  state->v32[2] = column2 ^ round_key->v32[2];
  state->v32[3] = column3 ^ round_key->v32[3];

}

static inline void
aes_final_round(v128_t *state, const v128_t *round_key) {
  uint8_t tmp;

  /* byte substitutions and row shifts */
  /* first row - no shift */
  state->v8[0] = aes_sbox[state->v8[0]];
  state->v8[4] = aes_sbox[state->v8[4]];
  state->v8[8] = aes_sbox[state->v8[8]];
  state->v8[12] = aes_sbox[state->v8[12]];

  /* second row - shift one left */
  tmp = aes_sbox[state->v8[1]];
  state->v8[1] = aes_sbox[state->v8[5]];
  state->v8[5] = aes_sbox[state->v8[9]];
  state->v8[9] = aes_sbox[state->v8[13]];
  state->v8[13] = tmp;

  /* third row - shift two left */
  tmp = aes_sbox[state->v8[10]];
  state->v8[10] = aes_sbox[state->v8[2]];
  state->v8[2] = tmp;
  tmp = aes_sbox[state->v8[14]];
  state->v8[14] = aes_sbox[state->v8[6]];
  state->v8[6] = tmp; 

  /* fourth row - shift three left */
  tmp = aes_sbox[state->v8[15]];
  state->v8[15] = aes_sbox[state->v8[11]];
  state->v8[11] = aes_sbox[state->v8[7]];
  state->v8[7] = aes_sbox[state->v8[3]];
  state->v8[3] = tmp;

  v128_xor_eq(state, round_key);
}

static inline void
aes_inv_final_round(v128_t *state, const v128_t *round_key) {
  uint8_t tmp;

  /* byte substitutions and row shifts */
  /* first row - no shift */
  state->v8[0] = aes_inv_sbox[state->v8[0]];
  state->v8[4] = aes_inv_sbox[state->v8[4]];
  state->v8[8] = aes_inv_sbox[state->v8[8]];
  state->v8[12] = aes_inv_sbox[state->v8[12]];

  /* second row - shift one right */
  tmp = aes_inv_sbox[state->v8[13]];
  state->v8[13] = aes_inv_sbox[state->v8[9]];
  state->v8[9] = aes_inv_sbox[state->v8[5]];
  state->v8[5] = aes_inv_sbox[state->v8[1]];
  state->v8[1] = tmp;

  /* third row - shift two right */
  tmp = aes_inv_sbox[state->v8[2]];
  state->v8[2] = aes_inv_sbox[state->v8[10]];
  state->v8[10] = tmp;
  tmp = aes_inv_sbox[state->v8[6]];
  state->v8[6] = aes_inv_sbox[state->v8[14]];
  state->v8[14] = tmp; 

  /* fourth row - shift three right */
  tmp = aes_inv_sbox[state->v8[3]];
  state->v8[3] = aes_inv_sbox[state->v8[7]];
  state->v8[7] = aes_inv_sbox[state->v8[11]];
  state->v8[11] = aes_inv_sbox[state->v8[15]];
  state->v8[15] = tmp;

  v128_xor_eq(state, round_key);
}


#elif CPU_RISC

static inline void
aes_round(v128_t *state, const v128_t *round_key) {
  uint32_t column0, column1, column2, column3;

  /* compute the columns of the output square in terms of the octets
     of state, using the tables T0, T1, T2, T3 */
#ifdef WORDS_BIGENDIAN
  column0 = T0[state->v32[0] >> 24] ^ T1[(state->v32[1] >> 16) & 0xff]
    ^ T2[(state->v32[2] >> 8) & 0xff] ^ T3[state->v32[3] & 0xff];

  column1 = T0[state->v32[1] >> 24] ^ T1[(state->v32[2] >> 16) & 0xff]
    ^ T2[(state->v32[3] >> 8) & 0xff] ^ T3[state->v32[0] & 0xff];

  column2 = T0[state->v32[2] >> 24] ^ T1[(state->v32[3] >> 16) & 0xff]
    ^ T2[(state->v32[0] >> 8) & 0xff] ^ T3[state->v32[1] & 0xff];

  column3 = T0[state->v32[3] >> 24] ^ T1[(state->v32[0] >> 16) & 0xff]
    ^ T2[(state->v32[1] >> 8) & 0xff] ^ T3[state->v32[2] & 0xff];
#else
  column0 = T0[state->v32[0] & 0xff] ^ T1[(state->v32[1] >> 8) & 0xff]
	^ T2[(state->v32[2] >> 16) & 0xff] ^ T3[state->v32[3] >> 24];

  column1 = T0[state->v32[1] & 0xff] ^ T1[(state->v32[2] >> 8) & 0xff]
	^ T2[(state->v32[3] >> 16) & 0xff] ^ T3[state->v32[0] >> 24];

  column2 = T0[state->v32[2] & 0xff] ^ T1[(state->v32[3] >> 8) & 0xff]
	^ T2[(state->v32[0] >> 16) & 0xff] ^ T3[state->v32[1] >> 24];

  column3 = T0[state->v32[3] & 0xff] ^ T1[(state->v32[0] >> 8) & 0xff]
	^ T2[(state->v32[1] >> 16) & 0xff] ^ T3[state->v32[2] >> 24];
#endif /* WORDS_BIGENDIAN */

  state->v32[0] = column0 ^ round_key->v32[0];
  state->v32[1] = column1 ^ round_key->v32[1];
  state->v32[2] = column2 ^ round_key->v32[2];
  state->v32[3] = column3 ^ round_key->v32[3];

}

static inline void
aes_inv_round(v128_t *state, const v128_t *round_key) {
  uint32_t column0, column1, column2, column3;

  /* compute the columns of the output square in terms of the octets
     of state, using the tables U0, U1, U2, U3 */

#ifdef WORDS_BIGENDIAN
  column0 = U0[state->v32[0] >> 24] ^ U1[(state->v32[3] >> 16) & 0xff]
    ^ U2[(state->v32[2] >> 8) & 0xff] ^ U3[state->v32[1] & 0xff];

  column1 = U0[state->v32[1] >> 24] ^ U1[(state->v32[0] >> 16) & 0xff]
    ^ U2[(state->v32[3] >> 8) & 0xff] ^ U3[state->v32[2] & 0xff];

  column2 = U0[state->v32[2] >> 24] ^ U1[(state->v32[1] >> 16) & 0xff]
    ^ U2[(state->v32[0] >> 8) & 0xff] ^ U3[state->v32[3] & 0xff];

  column3 = U0[state->v32[3] >> 24] ^ U1[(state->v32[2] >> 16) & 0xff]
    ^ U2[(state->v32[1] >> 8) & 0xff] ^ U3[state->v32[0] & 0xff];
#else
  column0 = U0[state->v32[0] & 0xff] ^ U1[(state->v32[3] >> 8) & 0xff]
    ^ U2[(state->v32[2] >> 16) & 0xff] ^ U3[(state->v32[1] >> 24) & 0xff];

  column1 = U0[state->v32[1] & 0xff] ^ U1[(state->v32[0] >> 8) & 0xff]
    ^ U2[(state->v32[3] >> 16) & 0xff] ^ U3[(state->v32[2] >> 24) & 0xff];

  column2 = U0[state->v32[2] & 0xff] ^ U1[(state->v32[1] >> 8) & 0xff]
    ^ U2[(state->v32[0] >> 16) & 0xff] ^ U3[(state->v32[3] >> 24) & 0xff];

  column3 = U0[state->v32[3] & 0xff] ^ U1[(state->v32[2] >> 8) & 0xff]
    ^ U2[(state->v32[1] >> 16) & 0xff] ^ U3[(state->v32[0] >> 24) & 0xff];
#endif /* WORDS_BIGENDIAN */

  state->v32[0] = column0 ^ round_key->v32[0];
  state->v32[1] = column1 ^ round_key->v32[1];
  state->v32[2] = column2 ^ round_key->v32[2];
  state->v32[3] = column3 ^ round_key->v32[3];

}

static inline void
aes_final_round(v128_t *state, const v128_t *round_key) {
  uint32_t tmp0, tmp1, tmp2, tmp3;

#ifdef WORDS_BIGENDIAN
  tmp0 = (T4[(state->v32[0] >> 24)]        & 0xff000000) 
       ^ (T4[(state->v32[1] >> 16) & 0xff] & 0x00ff0000) 
       ^ (T4[(state->v32[2] >>  8) & 0xff] & 0x0000ff00) 
       ^ (T4[(state->v32[3]      ) & 0xff] & 0x000000ff) 
       ^ round_key->v32[0];

  tmp1 = (T4[(state->v32[1] >> 24)]        & 0xff000000)
       ^ (T4[(state->v32[2] >> 16) & 0xff] & 0x00ff0000)
       ^ (T4[(state->v32[3] >>  8) & 0xff] & 0x0000ff00)
       ^ (T4[(state->v32[0]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[1];

  tmp2 = (T4[(state->v32[2] >> 24)]        & 0xff000000)
       ^ (T4[(state->v32[3] >> 16) & 0xff] & 0x00ff0000)
       ^ (T4[(state->v32[0] >>  8) & 0xff] & 0x0000ff00)
       ^ (T4[(state->v32[1]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[2];

  tmp3 = (T4[(state->v32[3] >> 24)]        & 0xff000000)
       ^ (T4[(state->v32[0] >> 16) & 0xff] & 0x00ff0000)
       ^ (T4[(state->v32[1] >>  8) & 0xff] & 0x0000ff00)
       ^ (T4[(state->v32[2]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[3];
#else
  tmp0 = (T4[(state->v32[3] >> 24)]        & 0xff000000) 
       ^ (T4[(state->v32[2] >> 16) & 0xff] & 0x00ff0000) 
       ^ (T4[(state->v32[1] >>  8) & 0xff] & 0x0000ff00) 
       ^ (T4[(state->v32[0]      ) & 0xff] & 0x000000ff) 
       ^ round_key->v32[0];

  tmp1 = (T4[(state->v32[0] >> 24)]        & 0xff000000)
       ^ (T4[(state->v32[3] >> 16) & 0xff] & 0x00ff0000)
       ^ (T4[(state->v32[2] >>  8) & 0xff] & 0x0000ff00)
       ^ (T4[(state->v32[1]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[1];

  tmp2 = (T4[(state->v32[1] >> 24)]        & 0xff000000)
       ^ (T4[(state->v32[0] >> 16) & 0xff] & 0x00ff0000)
       ^ (T4[(state->v32[3] >>  8) & 0xff] & 0x0000ff00)
       ^ (T4[(state->v32[2]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[2];

  tmp3 = (T4[(state->v32[2] >> 24)]        & 0xff000000)
       ^ (T4[(state->v32[1] >> 16) & 0xff] & 0x00ff0000)
       ^ (T4[(state->v32[0] >>  8) & 0xff] & 0x0000ff00)
       ^ (T4[(state->v32[3]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[3];
#endif /* WORDS_BIGENDIAN */

  state->v32[0] = tmp0;
  state->v32[1] = tmp1;
  state->v32[2] = tmp2;
  state->v32[3] = tmp3;

}

static inline void
aes_inv_final_round(v128_t *state, const v128_t *round_key) {
  uint32_t tmp0, tmp1, tmp2, tmp3;

#ifdef WORDS_BIGENDIAN
  tmp0 = (U4[(state->v32[0] >> 24)]        & 0xff000000) 
       ^ (U4[(state->v32[3] >> 16) & 0xff] & 0x00ff0000) 
       ^ (U4[(state->v32[2] >>  8) & 0xff] & 0x0000ff00) 
       ^ (U4[(state->v32[1]      ) & 0xff] & 0x000000ff) 
       ^ round_key->v32[0];

  tmp1 = (U4[(state->v32[1] >> 24)]        & 0xff000000)
       ^ (U4[(state->v32[0] >> 16) & 0xff] & 0x00ff0000)
       ^ (U4[(state->v32[3] >>  8) & 0xff] & 0x0000ff00)
       ^ (U4[(state->v32[2]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[1];

  tmp2 = (U4[(state->v32[2] >> 24)]        & 0xff000000)
       ^ (U4[(state->v32[1] >> 16) & 0xff] & 0x00ff0000)
       ^ (U4[(state->v32[0] >>  8) & 0xff] & 0x0000ff00)
       ^ (U4[(state->v32[3]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[2];

  tmp3 = (U4[(state->v32[3] >> 24)]        & 0xff000000)
       ^ (U4[(state->v32[2] >> 16) & 0xff] & 0x00ff0000)
       ^ (U4[(state->v32[1] >>  8) & 0xff] & 0x0000ff00)
       ^ (U4[(state->v32[0]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[3];
#else
  tmp0 = (U4[(state->v32[1] >> 24)]        & 0xff000000) 
       ^ (U4[(state->v32[2] >> 16) & 0xff] & 0x00ff0000) 
       ^ (U4[(state->v32[3] >>  8) & 0xff] & 0x0000ff00) 
       ^ (U4[(state->v32[0]      ) & 0xff] & 0x000000ff) 
       ^ round_key->v32[0];

  tmp1 = (U4[(state->v32[2] >> 24)]        & 0xff000000)
       ^ (U4[(state->v32[3] >> 16) & 0xff] & 0x00ff0000)
       ^ (U4[(state->v32[0] >>  8) & 0xff] & 0x0000ff00)
       ^ (U4[(state->v32[1]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[1];

  tmp2 = (U4[(state->v32[3] >> 24)]        & 0xff000000)
       ^ (U4[(state->v32[0] >> 16) & 0xff] & 0x00ff0000)
       ^ (U4[(state->v32[1] >>  8) & 0xff] & 0x0000ff00)
       ^ (U4[(state->v32[2]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[2];

  tmp3 = (U4[(state->v32[0] >> 24)]        & 0xff000000)
       ^ (U4[(state->v32[1] >> 16) & 0xff] & 0x00ff0000)
       ^ (U4[(state->v32[2] >>  8) & 0xff] & 0x0000ff00)
       ^ (U4[(state->v32[3]      ) & 0xff] & 0x000000ff)
       ^ round_key->v32[3];
#endif /* WORDS_BIGENDIAN */

  state->v32[0] = tmp0;
  state->v32[1] = tmp1;
  state->v32[2] = tmp2;
  state->v32[3] = tmp3;

}

#elif CPU_16  /* assume 16-bit word size on processor */

static inline void
aes_round(v128_t *state, const v128_t *round_key) {
  uint32_t column0, column1, column2, column3;
  uint16_t c
  /* compute the columns of the output square in terms of the octets
     of state, using the tables T0, T1, T2, T3 */

  column0 = T0[state->v8[0]] ^ T1[state->v8[5]]
    ^ T2[state->v8[10]] ^ T3[state->v8[15]];

  column1 = T0[state->v8[4]] ^ T1[state->v8[9]]
    ^ T2[state->v8[14]] ^ T3[state->v8[3]];

  column2 = T0[state->v8[8]] ^ T1[state->v8[13]]
    ^ T2[state->v8[2]] ^ T3[state->v8[7]];

  column3 = T0[state->v8[12]] ^ T1[state->v8[1]]
    ^ T2[state->v8[6]] ^ T3[state->v8[11]];

  state->v32[0] = column0 ^ round_key->v32[0];
  state->v32[1] = column1 ^ round_key->v32[1];
  state->v32[2] = column2 ^ round_key->v32[2];
  state->v32[3] = column3 ^ round_key->v32[3];

}


static inline void
aes_inv_round(v128_t *state, const v128_t *round_key) {
  uint32_t column0, column1, column2, column3;

  /* compute the columns of the output square in terms of the octets
     of state, using the tables U0, U1, U2, U3 */

  column0 = U0[state->v8[0]] ^ U1[state->v8[5]]
    ^ U2[state->v8[10]] ^ U3[state->v8[15]];

  column1 = U0[state->v8[4]] ^ U1[state->v8[9]]
    ^ U2[state->v8[14]] ^ U3[state->v8[3]];

  column2 = U0[state->v8[8]] ^ U1[state->v8[13]]
    ^ U2[state->v8[2]] ^ U3[state->v8[7]];

  column3 = U0[state->v8[12]] ^ U1[state->v8[1]]
    ^ U2[state->v8[6]] ^ U3[state->v8[11]];

  state->v32[0] = column0 ^ round_key->v32[0];
  state->v32[1] = column1 ^ round_key->v32[1];
  state->v32[2] = column2 ^ round_key->v32[2];
  state->v32[3] = column3 ^ round_key->v32[3];

}

static inline void
aes_final_round(v128_t *state, const v128_t *round_key) {
  uint8_t tmp;

  /* byte substitutions and row shifts */
  /* first row - no shift */
  state->v8[0] = aes_sbox[state->v8[0]];
  state->v8[4] = aes_sbox[state->v8[4]];
  state->v8[8] = aes_sbox[state->v8[8]];
  state->v8[12] = aes_sbox[state->v8[12]];

  /* second row - shift one left */
  tmp = aes_sbox[state->v8[1]];
  state->v8[1] = aes_sbox[state->v8[5]];
  state->v8[5] = aes_sbox[state->v8[9]];
  state->v8[9] = aes_sbox[state->v8[13]];
  state->v8[13] = tmp;

  /* third row - shift two left */
  tmp = aes_sbox[state->v8[10]];
  state->v8[10] = aes_sbox[state->v8[2]];
  state->v8[2] = tmp;
  tmp = aes_sbox[state->v8[14]];
  state->v8[14] = aes_sbox[state->v8[6]];
  state->v8[6] = tmp; 

  /* fourth row - shift three left */
  tmp = aes_sbox[state->v8[15]];
  state->v8[15] = aes_sbox[state->v8[11]];
  state->v8[11] = aes_sbox[state->v8[7]];
  state->v8[7] = aes_sbox[state->v8[3]];
  state->v8[3] = tmp;

  v128_xor_eq(state, round_key);
}

static inline void
aes_inv_final_round(v128_t *state, const v128_t *round_key) {
  uint8_t tmp;

  /* byte substitutions and row shifts */
  /* first row - no shift */
  state->v8[0] = aes_inv_sbox[state->v8[0]];
  state->v8[4] = aes_inv_sbox[state->v8[4]];
  state->v8[8] = aes_inv_sbox[state->v8[8]];
  state->v8[12] = aes_inv_sbox[state->v8[12]];

  /* second row - shift one left */
  tmp = aes_inv_sbox[state->v8[1]];
  state->v8[1] = aes_inv_sbox[state->v8[5]];
  state->v8[5] = aes_inv_sbox[state->v8[9]];
  state->v8[9] = aes_inv_sbox[state->v8[13]];
  state->v8[13] = tmp;

  /* third row - shift two left */
  tmp = aes_inv_sbox[state->v8[10]];
  state->v8[10] = aes_inv_sbox[state->v8[2]];
  state->v8[2] = tmp;
  tmp = aes_inv_sbox[state->v8[14]];
  state->v8[14] = aes_inv_sbox[state->v8[6]];
  state->v8[6] = tmp; 

  /* fourth row - shift three left */
  tmp = aes_inv_sbox[state->v8[15]];
  state->v8[15] = aes_inv_sbox[state->v8[11]];
  state->v8[11] = aes_inv_sbox[state->v8[7]];
  state->v8[7] = aes_inv_sbox[state->v8[3]];
  state->v8[3] = tmp;

  v128_xor_eq(state, round_key);
}

#endif  /* CPU type */


void
srtp_aes_encrypt(v128_t *plaintext, const aes_expanded_key_t *exp_key) {

  /* add in the subkey */
  v128_xor_eq(plaintext, &exp_key->round[0]);

  /* now do the rounds */
  aes_round(plaintext, &exp_key->round[1]);
  aes_round(plaintext, &exp_key->round[2]);
  aes_round(plaintext, &exp_key->round[3]);
  aes_round(plaintext, &exp_key->round[4]);
  aes_round(plaintext, &exp_key->round[5]);
  aes_round(plaintext, &exp_key->round[6]);
  aes_round(plaintext, &exp_key->round[7]);
  aes_round(plaintext, &exp_key->round[8]);  
  aes_round(plaintext, &exp_key->round[9]);
  if (exp_key->num_rounds == 10) {
    aes_final_round(plaintext, &exp_key->round[10]);
  }
  else if (exp_key->num_rounds == 12) {
    aes_round(plaintext, &exp_key->round[10]);  
    aes_round(plaintext, &exp_key->round[11]);
    aes_final_round(plaintext, &exp_key->round[12]);
  }
  else if (exp_key->num_rounds == 14) {
    aes_round(plaintext, &exp_key->round[10]);  
    aes_round(plaintext, &exp_key->round[11]);
    aes_round(plaintext, &exp_key->round[12]);  
    aes_round(plaintext, &exp_key->round[13]);
    aes_final_round(plaintext, &exp_key->round[14]);  
  }
}

void
aes_decrypt(v128_t *plaintext, const aes_expanded_key_t *exp_key) {

  /* add in the subkey */
  v128_xor_eq(plaintext, &exp_key->round[0]);

  /* now do the rounds */
  aes_inv_round(plaintext, &exp_key->round[1]);
  aes_inv_round(plaintext, &exp_key->round[2]);
  aes_inv_round(plaintext, &exp_key->round[3]);
  aes_inv_round(plaintext, &exp_key->round[4]);
  aes_inv_round(plaintext, &exp_key->round[5]);
  aes_inv_round(plaintext, &exp_key->round[6]);
  aes_inv_round(plaintext, &exp_key->round[7]);
  aes_inv_round(plaintext, &exp_key->round[8]);  
  aes_inv_round(plaintext, &exp_key->round[9]);
  if (exp_key->num_rounds == 10) {
    aes_inv_final_round(plaintext, &exp_key->round[10]);  
  }
  else if (exp_key->num_rounds == 12) {
    aes_inv_round(plaintext, &exp_key->round[10]);  
    aes_inv_round(plaintext, &exp_key->round[11]);
    aes_inv_final_round(plaintext, &exp_key->round[12]);  
  }
  else if (exp_key->num_rounds == 14) {
    aes_inv_round(plaintext, &exp_key->round[10]);  
    aes_inv_round(plaintext, &exp_key->round[11]);
    aes_inv_round(plaintext, &exp_key->round[12]);  
    aes_inv_round(plaintext, &exp_key->round[13]);
    aes_inv_final_round(plaintext, &exp_key->round[14]);  
  }
}