Files
Yi.Framework/Yi.Framework.Net6/Yi.Framework.Common/Helper/MD5Hepler.cs
2023-01-06 10:15:37 +08:00

76 lines
2.4 KiB
C#

using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;
namespace Yi.Framework.Common.Helper
{
public class MD5Helper
{
/// <summary>
/// 生成PasswordSalt
/// </summary>
/// <returns>返回string</returns>
public static string GenerateSalt()
{
byte[] buf = new byte[16];
#pragma warning disable SYSLIB0023 // 类型或成员已过时
(new RNGCryptoServiceProvider()).GetBytes(buf);
#pragma warning restore SYSLIB0023 // 类型或成员已过时
return Convert.ToBase64String(buf);
}
/// <summary>
/// 加密密码
/// </summary>
/// <param name="pass">密码</param>
/// <param name="passwordFormat">加密类型</param>
/// <param name="salt">PasswordSalt</param>
/// <returns>加密后的密码</returns>
public static string SHA2Encode(string pass, string salt, int passwordFormat = 1)
{
if (passwordFormat == 0) // MembershipPasswordFormat.Clear
return pass;
byte[] bIn = Encoding.Unicode.GetBytes(pass);
byte[] bSalt = Convert.FromBase64String(salt);
byte[] bAll = new byte[bSalt.Length + bIn.Length];
byte[]? bRet = null;
Buffer.BlockCopy(bSalt, 0, bAll, 0, bSalt.Length);
Buffer.BlockCopy(bIn, 0, bAll, bSalt.Length, bIn.Length);
#pragma warning disable SYSLIB0021 // 类型或成员已过时
var s = SHA512Managed.Create();
#pragma warning restore SYSLIB0021 // 类型或成员已过时
bRet = s.ComputeHash(bAll);
return ConvertEx.ToUrlBase64String(bRet);
}
}
public class ConvertEx
{
static readonly char[] padding = { '=' };
public static string ToUrlBase64String(byte[] inArray)
{
var str = Convert.ToBase64String(inArray);
str = str.TrimEnd(padding).Replace('+', '-').Replace('/', '_');
return str;
}
public static byte[] FromUrlBase64String(string s)
{
string incoming = s.Replace('_', '/').Replace('-', '+');
switch (s.Length % 4)
{
case 2: incoming += "=="; break;
case 3: incoming += "="; break;
}
byte[] bytes = Convert.FromBase64String(incoming);
return bytes;
}
}
}