//
// File : rijndael.cpp
// Creation date : Sun Nov 5 2000 03:22:10 CEST
// Author : Szymon Stefanek (stefanek@tin.it)
//
// Another implementation of the Rijndael cipher.
// This is intended to be an easily usable library file.
// This code is public domain.
// Based on the Vincent Rijmen and K.U.Leuven implementation 2.4.
//
//
// Original Copyright notice:
//
// rijndael-alg-fst.c v2.4 April '2000
// rijndael-alg-fst.h
// rijndael-api-fst.c
// rijndael-api-fst.h
//
// Optimised ANSI C code
//
// authors: v1.0: Antoon Bosselaers
// v2.0: Vincent Rijmen, K.U.Leuven
// v2.3: Paulo Barreto
// v2.4: Vincent Rijmen, K.U.Leuven
//
// This code is placed in the public domain.
//
//
// This implementation works on 128 , 192 , 256 bit keys
// and on 128 bit blocks
//
#define _RIJNDAEL_CPP_
#include "rijndael.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static uint8_t S[256]=
{
99, 124, 119, 123, 242, 107, 111, 197, 48, 1, 103, 43, 254, 215, 171, 118,
202, 130, 201, 125, 250, 89, 71, 240, 173, 212, 162, 175, 156, 164, 114, 192,
183, 253, 147, 38, 54, 63, 247, 204, 52, 165, 229, 241, 113, 216, 49, 21,
4, 199, 35, 195, 24, 150, 5, 154, 7, 18, 128, 226, 235, 39, 178, 117,
9, 131, 44, 26, 27, 110, 90, 160, 82, 59, 214, 179, 41, 227, 47, 132,
83, 209, 0, 237, 32, 252, 177, 91, 106, 203, 190, 57, 74, 76, 88, 207,
208, 239, 170, 251, 67, 77, 51, 133, 69, 249, 2, 127, 80, 60, 159, 168,
81, 163, 64, 143, 146, 157, 56, 245, 188, 182, 218, 33, 16, 255, 243, 210,
205, 12, 19, 236, 95, 151, 68, 23, 196, 167, 126, 61, 100, 93, 25, 115,
96, 129, 79, 220, 34, 42, 144, 136, 70, 238, 184, 20, 222, 94, 11, 219,
224, 50, 58, 10, 73, 6, 36, 92, 194, 211, 172, 98, 145, 149, 228, 121,
231, 200, 55, 109, 141, 213, 78, 169, 108, 86, 244, 234, 101, 122, 174, 8,
186, 120, 37, 46, 28, 166, 180, 198, 232, 221, 116, 31, 75, 189, 139, 138,
112, 62, 181, 102, 72, 3, 246, 14, 97, 53, 87, 185, 134, 193, 29, 158,
225, 248, 152, 17, 105, 217, 142, 148, 155, 30, 135, 233, 206, 85, 40, 223,
140, 161, 137, 13, 191, 230, 66, 104, 65, 153, 45, 15, 176, 84, 187, 22
};
static uint8_t T1[256][4]=
{
0xc6,0x63,0x63,0xa5, 0xf8,0x7c,0x7c,0x84, 0xee,0x77,0x77,0x99, 0xf6,0x7b,0x7b,0x8d,
0xff,0xf2,0xf2,0x0d, 0xd6,0x6b,0x6b,0xbd, 0xde,0x6f,0x6f,0xb1, 0x91,0xc5,0xc5,0x54,
0x60,0x30,0x30,0x50, 0x02,0x01,0x01,0x03, 0xce,0x67,0x67,0xa9, 0x56,0x2b,0x2b,0x7d,
0xe7,0xfe,0xfe,0x19, 0xb5,0xd7,0xd7,0x62, 0x4d,0xab,0xab,0xe6, 0xec,0x76,0x76,0x9a,
0x8f,0xca,0xca,0x45, 0x1f,0x82,0x82,0x9d, 0x89,0xc9,0xc9,0x40, 0xfa,0x7d,0x7d,0x87,
0xef,0xfa,0xfa,0x15, 0xb2,0x59,0x59,0xeb, 0x8e,0x47,0x47,0xc9, 0xfb,0xf0,0xf0,0x0b,
0x41,0xad,0xad,0xec, 0xb3,0xd4,0xd4,0x67, 0x5f,0xa2,0xa2,0xfd, 0x45,0xaf,0xaf,0xea,
0x23,0x9c,0x9c,0xbf, 0x53,0xa4,0xa4,0xf7, 0xe4,0x72,0x72,0x96, 0x9b,0xc0,0xc0,0x5b,
0x75,0xb7,0xb7,0xc2, 0xe1,0xfd,0xfd,0x1c, 0x3d,0x93,0x93,0xae, 0x4c,0x26,0x26,0x6a,
0x6c,0x36,0x36,0x5a, 0x7e,0x3f,0x3f,0x41, 0xf5,0xf7,0xf7,0x02, 0x83,0xcc,0xcc,0x4f,
0x68,0x34,0x34,0x5c, 0x51,0xa5,0xa5,0xf4, 0xd1,0xe5,0xe5,0x34, 0xf9,0xf1,0xf1,0x08,
0xe2,0x71,0x71,0x93, 0xab,0xd8,0xd8,0x73, 0x62,0x31,0x31,0x53, 0x2a,0x15,0x15,0x3f,
0x08,0x04,0x04,0x0c, 0x95,0xc7,0xc7,0x52, 0x46,0x23,0x23,0x65, 0x9d,0xc3,0xc3,0x5e,
0x30,0x18,0x18,0x28, 0x37,0x96,0x96,0xa1, 0x0a,0x05,0x05,0x0f, 0x2f,0x9a,0x9a,0xb5,
0x0e,0x07,0x07,0x09, 0x24,0x12,0x12,0x36, 0x1b,0x80,0x80,0x9b, 0xdf,0xe2,0xe2,0x3d,
0xcd,0xeb,0xeb,0x26, 0x4e,0x27,0x27,0x69, 0x7f,0xb2,0xb2,0xcd, 0xea,0x75,0x75,0x9f,
0x12,0x09,0x09,0x1b, 0x1d,0x83,0x83,0x9e, 0x58,0x2c,0x2c,0x74, 0x34,0x1a,0x1a,0x2e,
0x36,0x1b,0x1b,0x2d, 0xdc,0x6e,0x6e,0xb2, 0xb4,0x5a,0x5a,0xee, 0x5b,0xa0,0xa0,0xfb,
0xa4,0x52,0x52,0xf6, 0x76,0x3b,0x3b,0x4d, 0xb7,0xd6,0xd6,0x61, 0x7d,0xb3,0xb3,0xce,
0x52,0x29,0x29,0x7b, 0xdd,0xe3,0xe3,0x3e, 0x5e,0x2f,0x2f,0x71, 0x13,0x84,0x84,0x97,
0xa6,0x53,0x53,0xf5, 0xb9,0xd1,0xd1,0x68, 0x00,0x00,0x00,0x00, 0xc1,0xed,0xed,0x2c,
0x40,0x20,0x20,0x60, 0xe3,0xfc,0xfc,0x1f, 0x79,0xb1,0xb1,0xc8, 0xb6,0x5b,0x5b,0xed,
0xd4,0x6a,0x6a,0xbe, 0x8d,0xcb,0xcb,0x46, 0x67,0xbe,0xbe,0xd9, 0x72,0x39,0x39,0x4b,
0x94,0x4a,0x4a,0xde, 0x98,0x4c,0x4c,0xd4, 0xb0,0x58,0x58,0xe8, 0x85,0xcf,0xcf,0x4a,
0xbb,0xd0,0xd0,0x6b, 0xc5,0xef,0xef,0x2a, 0x4f,0xaa,0xaa,0xe5, 0xed,0xfb,0xfb,0x16,
0x86,0x43,0x43,0xc5, 0x9a,0x4d,0x4d,0xd7, 0x66,0x33,0x33,0x55, 0x11,0x85,0x85,0x94,
0x8a,0x45,0x45,0xcf, 0xe9,0xf9,0xf9,0x10, 0x04,0x02,0x02,0x06, 0xfe,0x7f,0x7f,0x81,
0xa0,0x50,0x50,0xf0, 0x78,0x3c,0x3c,0x44, 0x25,0x9f,0x9f,0xba, 0x4b,0xa8,0xa8,0xe3,
0xa2,0x51,0x51,0xf3, 0x5d,0xa3,0xa3,0xfe, 0x80,0x40,0x40,0xc0, 0x05,0x8f,0x8f,0x8a,
0x3f,0x92,0x92,0xad, 0x21,0x9d,0x9d,0xbc, 0x70,0x38,0x38,0x48, 0xf1,0xf5,0xf5,0x04,
0x63,0xbc,0xbc,0xdf, 0x77,0xb6,0xb6,0xc1, 0xaf,0xda,0xda,0x75, 0x42,0x21,0x21,0x63,
0x20,0x10,0x10,0x30, 0xe5,0xff,0xff,0x1a, 0xfd,0xf3,0xf3,0x0e, 0xbf,0xd2,0xd2,0x6d,
0x81,0xcd,0xcd,0x4c, 0x18,0x0c,0x0c,0x14, 0x26,0x13,0x13,0x35, 0xc3,0xec,0xec,0x2f,
0xbe,0x5f,0x5f,0xe1, 0x35,0x97,0x97,0xa2, 0x88,0x44,0x44,0xcc, 0x2e,0x17,0x17,0x39,
0x93,0xc4,0xc4,0x57, 0x55,0xa7,0xa7,0xf2, 0xfc,0x7e,0x7e,0x82, 0x7a,0x3d,0x3d,0x47,
0xc8,0x64,0x64,0xac, 0xba,0x5d,0x5d,0xe7, 0x32,0x19,0x19,0x2b, 0xe6,0x73,0x73,0x95,
0xc0,0x60,0x60,0xa0, 0x19,0x81,0x81,0x98, 0x9e,0x4f,0x4f,0xd1, 0xa3,0xdc,0xdc,0x7f,
0x44,0x22,0x22,0x66, 0x54,0x2a,0x2a,0x7e, 0x3b,0x90,0x90,0xab, 0x0b,0x88,0x88,0x83,
0x8c,0x46,0x46,0xca, 0xc7,0xee,0xee,0x29, 0x6b,0xb8,0xb8,0xd3, 0x28,0x14,0x14,0x3c,
0xa7,0xde,0xde,0x79, 0xbc,0x5e,0x5e,0xe2, 0x16,0x0b,0x0b,0x1d, 0xad,0xdb,0xdb,0x76,
0xdb,0xe0,0xe0,0x3b, 0x64,0x32,0x32,0x56, 0x74,0x3a,0x3a,0x4e, 0x14,0x0a,0x0a,0x1e,
0x92,0x49,0x49,0xdb, 0x0c,0x06,0x06,0x0a, 0x48,0x24,0x24,0x6c, 0xb8,0x5c,0x5c,0xe4,
0x9f,0xc2,0xc2,0x5d, 0xbd,0xd3,0xd3,0x6e, 0x43,0xac,0xac,0xef, 0xc4,0x62,0x62,0xa6,
0x39,0x91,0x91,0xa8, 0x31,0x95,0x95,0xa4, 0xd3,0xe4,0xe4,0x37, 0xf2,0x79,0x79,0x8b,
0xd5,0xe7,0xe7,0x32, 0x8b,0xc8,0xc8,0x43, 0x6e,0x37,0x37,0x59, 0xda,0x6d,0x6d,0xb7,
0x01,0x8d,0x8d,0x8c, 0xb1,0xd5,0xd5,0x64, 0x9c,0x4e,0x4e,0xd2, 0x49,0xa9,0xa9,0xe0,
0xd8,0x6c,0x6c,0xb4, 0xac,0x56,0x56,0xfa, 0xf3,0xf4,0xf4,0x07, 0xcf,0xea,0xea,0x25,
0xca,0x65,0x65,0xaf, 0xf4,0x7a,0x7a,0x8e, 0x47,0xae,0xae,0xe9, 0x10,0x08,0x08,0x18,
0x6f,0xba,0xba,0xd5, 0xf0,0x78,0x78,0x88, 0x4a,0x25,0x25,0x6f, 0x5c,0x2e,0x2e,0x72,
0x38,0x1c,0x1c,0x24, 0x57,0xa6,0xa6,0xf1, 0x73,0xb4,0xb4,0xc7, 0x97,0xc6,0xc6,0x51,
0xcb,0xe8,0xe8,0x23, 0xa1,0xdd,0xdd,0x7c, 0xe8,0x74,0x74,0x9c, 0x3e,0x1f,0x1f,0x21,
0x96,0x4b,0x4b,0xdd, 0x61,0xbd,0xbd,0xdc, 0x0d,0x8b,0x8b,0x86, 0x0f,0x8a,0x8a,0x85,
0xe0,0x70,0x70,0x90, 0x7c,0x3e,0x3e,0x42, 0x71,0xb5,0xb5,0xc4, 0xcc,0x66,0x66,0xaa,
0x90,0x48,0x48,0xd8, 0x06,0x03,0x03,0x05, 0xf7,0xf6,0xf6,0x01, 0x1c,0x0e,0x0e,0x12,
0xc2,0x61,0x61,0xa3, 0x6a,0x35,0x35,0x5f, 0xae,0x57,0x57,0xf9, 0x69,0xb9,0xb9,0xd0,
0x17,0x86,0x86,0x91, 0x99,0xc1,0xc1,0x58, 0x3a,0x1d,0x1d,0x27, 0x27,0x9e,0x9e,0xb9,
0xd9,0xe1,0xe1,0x38, 0xeb,0xf8,0xf8,0x13, 0x2b,0x98,0x98,0xb3, 0x22,0x11,0x11,0x33,
0xd2,0x69,0x69,0xbb, 0xa9,0xd9,0xd9,0x70, 0x07,0x8e,0x8e,0x89, 0x33,0x94,0x94,0xa7,
0x2d,0x9b,0x9b,0xb6, 0x3c,0x1e,0x1e,0x22, 0x15,0x87,0x87,0x92, 0xc9,0xe9,0xe9,0x20,
0x87,0xce,0xce,0x49, 0xaa,0x55,0x55,0xff, 0x50,0x28,0x28,0x78, 0xa5,0xdf,0xdf,0x7a,
0x03,0x8c,0x8c,0x8f, 0x59,0xa1,0xa1,0xf8, 0x09,0x89,0x89,0x80, 0x1a,0x0d,0x0d,0x17,
0x65,0xbf,0xbf,0xda, 0xd7,0xe6,0xe6,0x31, 0x84,0x42,0x42,0xc6, 0xd0,0x68,0x68,0xb8,
0x82,0x41,0x41,0xc3, 0x29,0x99,0x99,0xb0, 0x5a,0x2d,0x2d,0x77, 0x1e,0x0f,0x0f,0x11,
0x7b,0xb0,0xb0,0xcb, 0xa8,0x54,0x54,0xfc, 0x6d,0xbb,0xbb,0xd6, 0x2c,0x16,0x16,0x3a
};
static uint8_t T2[256][4]=
{
0xa5,0xc6,0x63,0x63, 0x84,0xf8,0x7c,0x7c, 0x99,0xee,0x77,0x77, 0x8d,0xf6,0x7b,0x7b,
0x0d,0xff,