//
// Created by UnknownObject on 2022/10/22.
// Copyright (c) 2022 UnknownNetworkService. All rights reserved.
//

#ifndef MAINCAR_MAIN_CAR_AES_H
#define MAINCAR_MAIN_CAR_AES_H

//数据处理算法

#define MAIN_CAR_AES_VERSION "1.0.0"

#include <jni.h>
#include <bitset>
#include <vector>
#include <string>

namespace uns
{
	using byte = std::bitset<8>;
	using word = std::bitset<32>;
	
	using ByteArray = byte*;
	using WordArray = word*;
	using BinaryByteArray = byte**;
	using BinaryWordArray = word**;
	
	union WordSpliter
	{
		unsigned long long _word;
		char _result[4];
	};
	
	class MC_AES
	{
	private:
		byte S_Box[16][16] =
				{
						{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}
				};
		word Rcon[10] =
				{
						0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
						0x20000000, 0x40000000, 0x80000000, 0x1b000000, 0x36000000
				};
		byte Columns[4][4] =
				{
						{0x0E, 0x09, 0x0D, 0x0B},
						{0x0B, 0x0E, 0x0D, 0x09},
						{0x0D, 0x09, 0x0B, 0x0E},
						{0x09, 0x0D, 0x0B, 0x0E}
				};
	private:
		BinaryByteArray CreateTextArray(std::string str);
		word Byte2Word(std::string str_4);
		WordArray CreateKeyArray(std::string key);
		word CircleLeft(word rw);
		ByteArray MoveLeft(ByteArray bytes, int bits);
		word SubWord(word sw);
		WordArray KeyExpansion(WordArray fix_key);
		BinaryByteArray BytesReplace(BinaryByteArray bytes);
		BinaryByteArray ByteShift(BinaryByteArray bytes);
		BinaryByteArray ColumnMix(BinaryByteArray bytes);
		byte SplitWord(word w, int index);
		WordArray GetCurrentKeys(WordArray keys, int times);
		BinaryByteArray ColumnMix(BinaryByteArray bytes, WordArray keys);
		ByteArray GetAlarmCode(BinaryByteArray bytes);
	public:
		ByteArray RunAES(std::string text, std::string key = "abcdefghijklmnop");
	};
};

#endif //MAINCAR_MAIN_CAR_AES_H