modernuo/Projects/UOContent/Accounting/Security/HashAlgorithmPasswordProtection.cs
2023-08-09 09:09:26 -07:00

40 lines
2.1 KiB
C#

/*************************************************************************
* ModernUO *
* Copyright 2019-2023 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: HashAlgorithmPasswordProtection.cs *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
using System;
using System.Security.Cryptography;
using Server.Text;
namespace Server.Accounting.Security
{
public class HashAlgorithmPasswordProtection : IPasswordProtection
{
public static IPasswordProtection MD5Instance = new HashAlgorithmPasswordProtection(MD5.Create());
public static IPasswordProtection SHA1Instance = new HashAlgorithmPasswordProtection(SHA1.Create());
public static IPasswordProtection SHA2Instance = new HashAlgorithmPasswordProtection(SHA512.Create());
private readonly HashAlgorithm _hashAlgorithm;
public HashAlgorithmPasswordProtection(HashAlgorithm hashAlgorithm) => _hashAlgorithm = hashAlgorithm;
public string EncryptPassword(string plainPassword)
{
byte[] bytes = plainPassword.AsSpan(0, Math.Min(256, plainPassword.Length)).GetBytesAscii();
return _hashAlgorithm.ComputeHash(bytes).ToHexString();
}
public bool ValidatePassword(string encryptedPassword, string plainPassword) =>
EncryptPassword(plainPassword) == encryptedPassword;
}
}