基于Go编写一个可视化Navicat本地密码解析器

func (l *LowVersionCipher) Decrypt(input string) (string, error) {
	ciphertext, err := hex.DecodeString(input)
	if err != nil {
		return "", err
	}
	if len(ciphertext)%8 != 0 {
		return "", errors.New("ciphertext length must be a multiple of 8")
	}
	plaintext := make([]byte, len(ciphertext))
	cv := make([]byte, len(l.iv))
	copy(cv, l.iv)
	blocksLen := len(ciphertext) / blowfish.BlockSize
	leftLen := len(ciphertext) % blowfish.BlockSize
	decrypter := NewECBDecrypter(l.cipher)
	for i := 0; i < blocksLen; i++ {
		temp := make([]byte, blowfish.BlockSize)
		copy(temp, ciphertext[i*blowfish.BlockSize:(i+1)*blowfish.BlockSize])
		if err != nil {
			panic(err)
		}
		decrypter.CryptBlocks(temp, temp)
		xorBytes(temp, cv)
		copy(plaintext[i*blowfish.BlockSize:(i+1)*blowfish.BlockSize], temp)
		for j := 0; j < len(cv); j++ {
			cv[j] ^= ciphertext[i*blowfish.BlockSize+j]
		}
	}
	if leftLen != 0 {
		decrypter.CryptBlocks(cv, cv)
		temp := make([]byte, leftLen)
		copy(temp, ciphertext[blocksLen*blowfish.BlockSize:])
		xorBytes(temp, cv[:leftLen])
		copy(plaintext[blocksLen*blowfish.BlockSize:], temp)
	}
	return string(plaintext), nil
}
func xorBytes(a []byte, b []byte) {
	for i := 0; i < len(a); i++ {
		aVal := int(a[i]) & 0xff // convert byte to integer
		bVal := int(b[i]) & 0xff
		a[i] = byte(aVal ^ bVal) // xor aVal and bVal and typecast to byte
	}
}

const NsPath = `Software\PremiumSoft\Navicat\Servers`
nsp, _ := registry.OpenKey(registry.CURRENT_USER, NsPath, registry.READ)
subKeys, _ := nsp.ReadSubKeyNames(999)
var servers []*Server
for _, subKey := range subKeys {
    serverPath := strings.Join([]string{NsPath, subKey}, `\`)
    sp, _ := registry.OpenKey(registry.CURRENT_USER, serverPath, registry.READ)
    // 数据库的版本
    serverVersion, _, _ := sp.GetIntegerValue("ServerVersion")
    // host
    host, _, _ := sp.GetStringValue("Host")
    // 用户名
    username, _, _ := sp.GetStringValue("UserName")
    // 密码密文
    pwd, _, _ := sp.GetStringValue("Pwd")
    // 端口，一般是3306
    port, _, _ := sp.GetIntegerValue("Port")
    realPwd := pwd
    if (len(pwd) > 0){
        // 解密得到密码明文
        realPwd, _ = cipher.Decrypt(pwd)
    }
    servers = append(servers, &Server{...})
}