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57 lines
1.3 KiB
57 lines
1.3 KiB
using System.Security.Cryptography;
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using System.Text;
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namespace learun.util
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{
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/// <summary>
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/// 版 本 EasyCode EC管理后台
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/// Copyright (c) 2019-present EC管理有限公司
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/// 创建人：tobin
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/// 日 期：2019.09.13
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/// 描 述：md5加密
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/// </summary>
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public class Md5Helper
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{
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#region "MD5加密"
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/// <summary>
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/// MD5加密
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/// </summary>
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/// <param name="str">加密字符</param>
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/// <param name="code">加密位数16/32</param>
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/// <returns></returns>
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public static string Encrypt(string str, int code)
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{
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string strEncrypt = string.Empty;
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if (code == 16)
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{
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strEncrypt = Hash(str).Substring(8, 16);
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}
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if (code == 32)
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{
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strEncrypt = Hash(str);
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}
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return strEncrypt;
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}
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/// <summary>
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/// 32位MD5加密（小写）
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/// </summary>
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/// <param name="input">输入字段</param>
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/// <returns></returns>
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public static string Hash(string input)
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{
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MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider();
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byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));
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StringBuilder sBuilder = new StringBuilder();
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for (int i = 0; i < data.Length; i++)
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{
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sBuilder.Append(data[i].ToString("x2"));
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}
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return sBuilder.ToString();
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}
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#endregion "MD5加密"
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}
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}
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