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  1. /******************************************************************
  2.  * 创建人：HTL
  3.  * 创建时间：2015-04-17 17:36:35
  4.  * 说明：C# AES加密解密
  5.  * Email：huangyuan413026@163.com
  6.  *******************************************************************/
  7. using System;
  8. using System.Security.Cryptography;
  9. using System.Text;
  10. using System.IO;
  11. public class Test
  12. {
  13.     public static void Main()
  14.     {
  15.         //密码
  16.         string password="1234567890123456";
  17.         //加密初始化向量
  18.         string iv="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";     
  19.         string message=AESEncrypt("abcdefghigklmnopqrstuvwxyz0123456789",password,iv);
  20.         Console.WriteLine(message);
  21.  
  22.         message=AESDecrypt("8Z3dZzqn05FmiuBLowExK0CAbs4TY2GorC2dDPVlsn/tP+VuJGePqIMv1uSaVErr",password,iv);
  23.  
  24.         Console.WriteLine(message);
  25.     }
  26.  
  27.  
  28.     /// <summary>
  29.     /// AES加密 
  30.     /// </summary>
  31.     /// <param name="text">加密字符</param>
  32.     /// <param name="password">加密的密码</param>
  33.     /// <param name="iv">密钥</param>
  34.     /// <returns></returns>
  35.     public static string AESEncrypt(string text, string password, string iv)
  36.     {
  37.         RijndaelManaged rijndaelCipher = new RijndaelManaged();
  38.  
  39.         rijndaelCipher.Mode = CipherMode.CBC;
  40.  
  41.         rijndaelCipher.Padding = PaddingMode.PKCS7;
  42.  
  43.         rijndaelCipher.KeySize = 128;
  44.  
  45.         rijndaelCipher.BlockSize = 128;
  46.  
  47.         byte[] pwdBytes = System.Text.Encoding.UTF8.GetBytes(password);
  48.  
  49.         byte[] keyBytes = new byte[16];
  50.  
  51.         int len = pwdBytes.Length;
  52.  
  53.         if (len > keyBytes.Length) len = keyBytes.Length;
  54.  
  55.         System.Array.Copy(pwdBytes, keyBytes, len);
  56.  
  57.         rijndaelCipher.Key = keyBytes;
  58.  
  59.  
  60.         byte[] ivBytes = System.Text.Encoding.UTF8.GetBytes(iv);
  61.         rijndaelCipher.IV =  new byte[16];
  62.  
  63.         ICryptoTransform transform = rijndaelCipher.CreateEncryptor();
  64.  
  65.         byte[] plainText = Encoding.UTF8.GetBytes(text);
  66.  
  67.         byte[] cipherBytes = transform.TransformFinalBlock(plainText, 0, plainText.Length);
  68.  
  69.         return Convert.ToBase64String(cipherBytes);
  70.  
  71.     }
  72.     /// <summary>
  73.     /// AES解密
  74.     /// </summary>
  75.     /// <param name="text"></param>
  76.     /// <param name="password"></param>
  77.     /// <param name="iv"></param>
  78.     /// <returns></returns>
  79.     public static string AESDecrypt(string text, string password, string iv)
  80.     {
  81.         RijndaelManaged rijndaelCipher = new RijndaelManaged();
  82.  
  83.         rijndaelCipher.Mode = CipherMode.CBC;
  84.  
  85.         rijndaelCipher.Padding = PaddingMode.PKCS7;
  86.  
  87.         rijndaelCipher.KeySize = 128;
  88.  
  89.         rijndaelCipher.BlockSize = 128;
  90.  
  91.         byte[] encryptedData = Convert.FromBase64String(text);
  92.  
  93.         byte[] pwdBytes = System.Text.Encoding.UTF8.GetBytes(password);
  94.  
  95.         byte[] keyBytes = new byte[16];
  96.  
  97.         int len = pwdBytes.Length;
  98.  
  99.         if (len > keyBytes.Length) len = keyBytes.Length;
  100.  
  101.         System.Array.Copy(pwdBytes, keyBytes, len);
  102.  
  103.         rijndaelCipher.Key = keyBytes;
  104.  
  105.         byte[] ivBytes = System.Text.Encoding.UTF8.GetBytes(iv);
  106.         rijndaelCipher.IV = ivBytes;
  107.  
  108.         ICryptoTransform transform = rijndaelCipher.CreateDecryptor();
  109.  
  110.         byte[] plainText = transform.TransformFinalBlock(encryptedData, 0, encryptedData.Length);
  111.  
  112.         return Encoding.UTF8.GetString(plainText);
  113.  
  114.     }
  115.  
  116. }
Success #stdin #stdout 0.05s 24392KB
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stdin
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Standard input is empty
stdout
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8Z3dZzqn05FmiuBLowExK0CAbs4TY2GorC2dDPVlsn/tP+VuJGePqIMv1uSaVErr
abcdefghigklmnopqrstuvwxyz0123456789
https://ideone.com/kj9wtF
AES加密解密
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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