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