下面c++程式碼可以用來生成Source Insight v4.0的註冊碼，網路驗證還需要各位自己去patch一下！~

#include "stdafx.h"
#include <windows.h>
int main()
{
	byte serial_table[] = {
		0x4b, 0x56, 0x39, 0x36, 0x47, 0x4d, 0x4a, 0x59, 0x48, 0x37, 0x51, 0x46, 0x35, 0x54, 0x43, 0x57,
		0x34, 0x55, 0x33, 0x58, 0x5a, 0x50, 0x52, 0x53, 0x44, 0x4e
	};

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

	// 準備一個以S4開頭的序列號，後面的內容用字母序列A-N填充
	char serial_number[] = { 'S', '4', 'A', 'B', '-', 'C', 'D', 'E', 'F', '-', 'G', 'H', 'I', 'J', '-', 'K', 'L', 'M', 'N','\0'};

	// 把某些位置替換成校驗函式允許的值
	serial_number[0x1] = '4'; // T | B | S | U
	// Trail、Beta、Standard、Upgrade
	serial_number[0x2] = 'S'; // T | B | S | U
	serial_number[0x3] = 'V'; // G | V | R
	serial_number[0x6] = 'D'; // R | G | D | F
	
	unsigned char current_char;
	unsigned int dwIndex = 0;
	char last_four_bytes[5] = {0};
	do
	{
		// 最終需要計算出來4個字元，所以這裡dwIndex作為while迴圈的條件.
		// dwIndex = 0，也就是把序列號的第一個字元開始，作為char_table的索引，值賦值給current_char.
		current_char = char_table[dwIndex + serial_number[0]];

		for (int i = 1; i < 15; ++i)
		{
			current_char = char_table[(current_char ^ serial_number[i])];
		}

		// 拿到最終的current_char，就是SerialTable的索引
		//putchar(serial_table[current_char % 26]);
		*(serial_number + 0xF + dwIndex) = serial_table[current_char % 26];

		++dwIndex;

	} while (dwIndex < 0x4);

	printf(serial_number);

	return 0;
}