81 lines
2.9 KiB
C#
81 lines
2.9 KiB
C#
using System;
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using System.Security.Cryptography;
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using System.Text;
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namespace YD_XinWei.Commons.Utils
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{
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public class MD5Helper
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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 = new MD5CryptoServiceProvider();
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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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public static string GetMD5Pwd(string text)
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{
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text = $"zaq1xsw23edc4rfva;sldkfj{text}";
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MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider();
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byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(text));
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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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}
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}
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