MD5加密

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 
 7 namespace ExamManagementsystemOffline.Unitity
 8 {
 9     using System.Security.Cryptography;
10 
11     public class SecurityHelper
12     {
13         /// <summary>
14         /// MD5加密
15         /// </summary>
16         /// <param name="message"></param>
17         /// <returns></returns>
18         public static string MD5Compute(string Message)
19         {
20             //创建MD5对象
21             MD5 mD5 = MD5.Create();
22 
23             //将编码后的字节数组进行哈希计算，然后保存到加密数组中
24             byte[] mD5Bytes = mD5.ComputeHash(Encoding.UTF8.GetBytes(Message));
25 
26             //实例化StringBuilder 对象
27             StringBuilder stringBuilderMD5 = new StringBuilder();
28 
29             //遍历加密数组，将数组元素以16位序列保存到stringBuilderMD5中
30             for (int i = 0; i < mD5Bytes.Length; i++)
31             {
32                 stringBuilderMD5.Append(mD5Bytes[i].ToString("X2"));
33             }
34 
35             //将stringBuilderMD5对象转成字符串，并返回该值
36             return stringBuilderMD5.ToString();
37         }
38     }
39 }