133 lines
4.7 KiB
C#
133 lines
4.7 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.Infrastructure.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 = SHA512.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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/// <summary>
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/// 16位MD5加密
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/// </summary>
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/// <param name="password"></param>
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/// <returns></returns>
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public static string MD5Encrypt16(string password)
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{
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var md5 = MD5.Create();
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string t2 = BitConverter.ToString(md5.ComputeHash(Encoding.Default.GetBytes(password)), 4, 8);
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t2 = t2.Replace("-", string.Empty);
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return t2;
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}
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/// <summary>
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/// 32位MD5加密
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/// </summary>
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/// <param name="password"></param>
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/// <returns></returns>
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public static string MD5Encrypt32(string password = "")
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{
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string pwd = string.Empty;
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try
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{
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if (!string.IsNullOrEmpty(password) && !string.IsNullOrWhiteSpace(password))
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{
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MD5 md5 = MD5.Create(); //实例化一个md5对像
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// 加密后是一个字节类型的数组，这里要注意编码UTF8/Unicode等的选择
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byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(password));
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// 通过使用循环，将字节类型的数组转换为字符串，此字符串是常规字符格式化所得
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foreach (var item in s)
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{
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// 将得到的字符串使用十六进制类型格式。格式后的字符是小写的字母，如果使用大写（X）则格式后的字符是大写字符
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pwd = string.Concat(pwd, item.ToString("X2"));
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}
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}
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}
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catch
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{
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throw new Exception($"错误的 password 字符串:【{password}】");
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}
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return pwd;
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}
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/// <summary>
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/// 64位MD5加密
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/// </summary>
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/// <param name="password"></param>
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/// <returns></returns>
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public static string MD5Encrypt64(string password)
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{
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// 实例化一个md5对像
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// 加密后是一个字节类型的数组，这里要注意编码UTF8/Unicode等的选择
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MD5 md5 = MD5.Create();
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byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(password));
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return Convert.ToBase64String(s);
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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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