53 lines
1.4 KiB
C#
53 lines
1.4 KiB
C#
|
using System.Security.Cryptography;
|
|||
|
|
using System.Text;
|
|||
|
|
using System.Text.RegularExpressions;
|
|||
|
|
|
|||
|
|
namespace EncryptTool;
|
|||
|
|
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* 作者：菻蔃
|
|||
|
|
* 注意：MD5 加密会被机器容易的破解，请勿用于机密数据
|
|||
|
|
* 版本时间：2024年1月21日
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// MD5 加密
|
|||
|
|
/// </summary>
|
|||
|
|
public static class Md5Encrypt
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// 魔改版加密，用于加密密码，无法破解，本人也无法知道原密码
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="password">需要加密的字符串</param>
|
|||
|
|
/// <param name="length">加密后返回的长度</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static string EncryptPassword(string? password, int length = 255)
|
|||
|
|
{
|
|||
|
|
if (string.IsNullOrEmpty(password)) { return string.Empty; }
|
|||
|
|
var result = string.Empty;
|
|||
|
|
var i = 0;
|
|||
|
|
while (result.Length < length)
|
|||
|
|
{
|
|||
|
|
var bytes = MD5.HashData(Encoding.UTF8.GetBytes(password));
|
|||
|
|
var tempStr = Convert.ToBase64String(bytes);
|
|||
|
|
tempStr = Regex.Replace(tempStr, "\\W", "").ToUpper();
|
|||
|
|
if (i % 2 == 0)
|
|||
|
|
{
|
|||
|
|
result += Regex.Replace(tempStr, "[0-9]", "");
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
result += Regex.Replace(tempStr, "[A-Z]|[a-z]", "");
|
|||
|
|
}
|
|||
|
|
password = tempStr;
|
|||
|
|
i++;
|
|||
|
|
}
|
|||
|
|
return result[..length];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
}
|