/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 *
 * Tom St Denis, [email protected], http://libtomcrypt.com
 */
#include "tomcrypt.h"

/**
  @file khazad.c
  Khazad implementation derived from public domain source
  Authors: Paulo S.L.M. Barreto and Vincent Rijmen.
*/

#ifdef KHAZAD

const struct ltc_cipher_descriptor khazad_desc = {
   "khazad",
   18,
   16, 16, 8, 8,
   &khazad_setup,
   &khazad_ecb_encrypt,
   &khazad_ecb_decrypt,
   &khazad_test,
   &khazad_done,
   &khazad_keysize,
   NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};

#define R      8 
#define KEYSIZE      128 
#define KEYSIZEB   (KEYSIZE/8) 
#define BLOCKSIZE   64 
#define BLOCKSIZEB   (BLOCKSIZE/8) 

static const ulong64 T0[256] = {
    CONST64(0xbad3d268bbb96a01), CONST64(0x54fc4d19e59a66b1), CONST64(0x2f71bc93e26514cd), CONST64(0x749ccdb925871b51),
    CONST64(0x53f55102f7a257a4), CONST64(0xd3686bb8d0d6be03), CONST64(0xd26b6fbdd6deb504), CONST64(0x4dd72964b35285fe),
    CONST64(0x50f05d0dfdba4aad), CONST64(0xace98a26cf09e063), CONST64(0x8d8a0e83091c9684), CONST64(0xbfdcc679a5914d1a),
    CONST64(0x7090ddad3da7374d), CONST64(0x52f65507f1aa5ca3), CONST64(0x9ab352c87ba417e1), CONST64(0x4cd42d61b55a8ef9),
    CONST64(0xea238f65460320ac), CONST64(0xd56273a6c4e68411), CONST64(0x97a466f155cc68c2), CONST64(0xd16e63b2dcc6a80d),
    CONST64(0x3355ccffaa85d099), CONST64(0x51f35908fbb241aa), CONST64(0x5bed712ac7e20f9c), CONST64(0xa6f7a204f359ae55),
    CONST64(0xde7f5f81febec120), CONST64(0x48d83d75ad7aa2e5), CONST64(0xa8e59a32d729cc7f), CONST64(0x99b65ec771bc0ae8),
    CONST64(0xdb704b90e096e63b), CONST64(0x3256c8faac8ddb9e), CONST64(0xb7c4e65195d11522), CONST64(0xfc19d72b32b3aace),
    CONST64(0xe338ab48704b7393), CONST64(0x9ebf42dc63843bfd), CONST64(0x91ae7eef41fc52d0), CONST64(0x9bb056cd7dac1ce6),
    CONST64(0xe23baf4d76437894), CONST64(0xbbd0d66dbdb16106), CONST64(0x41c319589b32f1da), CONST64(0x6eb2a5cb7957e517),
    CONST64(0xa5f2ae0bf941b35c), CONST64(0xcb400bc08016564b), CONST64(0x6bbdb1da677fc20c), CONST64(0x95a26efb59dc7ecc),
    CONST64(0xa1febe1fe1619f40), CONST64(0xf308eb1810cbc3e3), CONST64(0xb1cefe4f81e12f30), CONST64(0x0206080a0c10160e),
    CONST64(0xcc4917db922e675e), CONST64(0xc45137f3a26e3f66), CONST64(0x1d2774694ee8cf53), CONST64(0x143c504478a09c6c),
    CONST64(0xc3582be8b0560e73), CONST64(0x63a591f2573f9a34), CONST64(0xda734f95e69eed3c), CONST64(0x5de76934d3d2358e),
    CONST64(0x5fe1613edfc22380), CONST64(0xdc79578bf2aed72e), CONST64(0x7d87e99413cf486e), CONST64(0xcd4a13de94266c59),
    CONST64(0x7f81e19e1fdf5e60), CONST64(0x5aee752fc1ea049b), CONST64(0x6cb4adc17547f319), CONST64(0x5ce46d31d5da3e89),
    CONST64(0xf704fb0c08ebefff), CONST64(0x266a98bed42d47f2), CONST64(0xff1cdb2438abb7c7), CONST64(0xed2a937e543b11b9),
    CONST64(0xe825876f4a1336a2), CONST64(0x9dba4ed3699c26f4), CONST64(0x6fb1a1ce7f5fee10), CONST64(0x8e8f028c03048b8d),
    CONST64(0x192b647d56c8e34f), CONST64(0xa0fdba1ae7699447), CONST64(0xf00de7171ad3deea), CONST64(0x89861e97113cba98),
    CONST64(0x0f113c332278692d), CONST64(0x07091c1b12383115), CONST64(0xafec8629c511fd6a), CONST64(0xfb10cb30208b9bdb),
    CONST64(0x0818202830405838), CONST64(0x153f54417ea8976b), CONST64(0x0d1734392e687f23), CONST64(0x040c101418202c1c),
    CONST64(0x0103040506080b07), CONST64(0x64ac8de94507ab21), CONST64(0xdf7c5b84f8b6ca27), CONST64(0x769ac5b329970d5f),
    CONST64(0x798bf9800bef6472), CONST64(0xdd7a538ef4a6dc29), CONST64(0x3d47f4c98ef5b2b3), CONST64(0x163a584e74b08a62),
    CONST64(0x3f41fcc382e5a4bd), CONST64(0x3759dcebb2a5fc85), CONST64(0x6db7a9c4734ff81e), CONST64(0x3848e0d890dd95a8),
    CONST64(0xb9d6de67b1a17708), CONST64(0x7395d1a237bf2a44), CONST64(0xe926836a4c1b3da5), CONST64(0x355fd4e1beb5ea8b),
    CONST64(0x55ff491ce3926db6), CONST64(0x7193d9a83baf3c4a), CONST64(0x7b8df18a07ff727c), CONST64(0x8c890a860f149d83),
    CONST64(0x7296d5a731b72143), CONST64(0x88851a921734b19f), CONST64(0xf607ff090ee3e4f8), CONST64(0x2a7ea882fc4d33d6),
    CONST64(0x3e42f8c684edafba), CONST64(0x5ee2653bd9ca2887), CONST64(0x27699cbbd2254cf5), CONST64(0x46ca0543890ac0cf),
    CONST64(0x0c14303c28607424), CONST64(0x65af89ec430fa026), CONST64(0x68b8bdd56d67df05), CONST64(0x61a399f85b2f8c3a),
    CONST64(0x03050c0f0a181d09), CONST64(0xc15e23e2bc46187d), CONST64(0x57f94116ef827bb8), CONST64(0xd6677fa9cefe9918),
    CONST64(0xd976439aec86f035), CONST64(0x58e87d25cdfa1295), CONST64(0xd875479fea8efb32), CONST64(0x66aa85e34917bd2f),
    CONST64(0xd7647bacc8f6921f), CONST64(0x3a4ee8d29ccd83a6), CONST64(0xc84507cf8a0e4b42), CONST64(0x3c44f0cc88fdb9b4),
    CONST64(0xfa13cf35268390dc), CONST64(0x96a762f453c463c5), CONST64(0xa7f4a601f551a552), CONST64(0x98b55ac277b401ef),
    CONST64(0xec29977b52331abe), CONST64(0xb8d5da62b7a97c0f), CONST64(0xc7543bfca876226f), CONST64(0xaeef822cc319f66d),
    CONST64(0x69bbb9d06b6fd402), CONST64(0x4bdd317aa762bfec), CONST64(0xabe0963ddd31d176), CONST64(0xa9e69e37d121c778),
    CONST64(0x67a981e64f1fb628), CONST64(0x0a1e28223c504e36), CONST64(0x47c901468f02cbc8), CONST64(0xf20bef1d16c3c8e4),
    CONST64(0xb5c2ee5b99c1032c), CONST64(0x226688aacc0d6bee), CONST64(0xe532b356647b4981), CONST64(0xee2f9f715e230cb0),
    CONST64(0xbedfc27ca399461d), CONST64(0x2b7dac87fa4538d1), CONST64(0x819e3ebf217ce2a0), CONST64(0x1236485a6c90a67e),
    CONST64(0x839836b52d6cf4ae), CONST64(0x1b2d6c775ad8f541), CONST64(0x0e1238362470622a), CONST64(0x23658cafca0560e9),
    CONST64(0xf502f30604fbf9f1), CONST64(0x45cf094c8312ddc6), CONST64(0x216384a5c61576e7), CONST64(0xce4f1fd19e3e7150),
    CONST64(0x49db3970ab72a9e2), CONST64(0x2c74b09ce87d09c4), CONST64(0xf916c33a2c9b8dd5), CONST64(0xe637bf596e635488),
    CONST64(0xb6c7e25493d91e25), CONST64(0x2878a088f05d25d8), CONST64(0x17395c4b72b88165), CONST64(0x829b32b02b64ffa9),
    CONST64(0x1a2e68725cd0fe46), CONST64(0x8b80169d1d2cac96), CONST64(0xfe1fdf213ea3bcc0), CONST64(0x8a8312981b24a791),
    CONST64(0x091b242d3648533f), CONST64(0xc94603ca8c064045), CONST64(0x879426a1354cd8b2), CONST64(0x4ed2256bb94a98f7),
    CONST64(0xe13ea3427c5b659d), CONST64(0x2e72b896e46d1fca), CONST64(0xe431b75362734286), CONST64(0xe03da7477a536e9a),