C# AES加密解密

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完整代碼：

 

  
/******************************************************************
  
 * 建立人：HTL
  
 * 建立時間：2015-04-17 17:36:35
  
 * 說明：C# AES加密解密
  
 * Email：[email protected]
  
 *******************************************************************//*
  
using System;
  
using System.Security.Cryptography;
  
using System.Text;
  
using System.IO;
  
public class Test
  
{
  
 public static void Main()
  
 {
  
 //密碼
  
 string password="1234567890123456";
  
 //加密初始化向量
  
 string iv=" "; 
  
 string message=AESEncrypt("abcdefghigklmnopqrstuvwxyz0123456789",password,iv);
  
 Console.WriteLine(message);
  
 
  
 message=AESDecrypt("8Z3dZzqn05FmiuBLowExK0CAbs4TY2GorC2dDPVlsn/tP+VuJGePqIMv1uSaVErr",password,iv);
  
 
  
 Console.WriteLine(message);
  
 }
  
 
  
 
  
 /// <summary>
  
 /// AES加密 
  
 /// </summary>
  
 /// <param name="text">加密字元</param>
  
 /// <param name="password">加密的密碼</param>
  
 /// <param name="iv">密鑰</param>
  
 /// <returns></returns>
  
 public static string AESEncrypt(string text, string password, string iv)
  
 {
  
 RijndaelManaged rijndaelCipher = new RijndaelManaged();
  
 
  
 rijndaelCipher.Mode = CipherMode.CBC;
  
 
  
 rijndaelCipher.Padding = PaddingMode.PKCS7;
  
 
  
 rijndaelCipher.KeySize = 128;
  
 
  
 rijndaelCipher.BlockSize = 128;
  
 
  
 byte[] pwdBytes = System.Text.Encoding.UTF8.GetBytes(password);
  
 
  
 byte[] keyBytes = new byte[16];
  
 
  
 int len = pwdBytes.Length;
  
 
  
 if (len > keyBytes.Length) len = keyBytes.Length;
  
 
  
 System.Array.Copy(pwdBytes, keyBytes, len);
  
 
  
 rijndaelCipher.Key = keyBytes;
  
 
  
 
  
 byte[] ivBytes = System.Text.Encoding.UTF8.GetBytes(iv);
  
 rijndaelCipher.IV = new byte[16];
  
 
  
 ICryptoTransform transform = rijndaelCipher.CreateEncryptor();
  
 
  
 byte[] plainText = Encoding.UTF8.GetBytes(text);
  
 
  
 byte[] cipherBytes = transform.TransformFinalBlock(plainText, 0, plainText.Length);
  
 
  
 return Convert.ToBase64String(cipherBytes);
  
 
  
 }
  
 /// <summary>
  
 /// AES解密
  
 /// </summary>
  
 /// <param name="text"></param>
  
 /// <param name="password"></param>
  
 /// <param name="iv"></param>
  
 /// <returns></returns>
  
 public static string AESDecrypt(string text, string password, string iv)
  
 {
  
 RijndaelManaged rijndaelCipher = new RijndaelManaged();
  
 
  
 rijndaelCipher.Mode = CipherMode.CBC;
  
 
  
 rijndaelCipher.Padding = PaddingMode.PKCS7;
  
 
  
 rijndaelCipher.KeySize = 128;
  
 
  
 rijndaelCipher.BlockSize = 128;
  
 
  
 byte[] encryptedData = Convert.FromBase64String(text);
  
 
  
 byte[] pwdBytes = System.Text.Encoding.UTF8.GetBytes(password);
  
 
  
 byte[] keyBytes = new byte[16];
  
 
  
 int len = pwdBytes.Length;
  
 
  
 if (len > keyBytes.Length) len = keyBytes.Length;
  
 
  
 System.Array.Copy(pwdBytes, keyBytes, len);
  
 
  
 rijndaelCipher.Key = keyBytes;
  
 
  
 byte[] ivBytes = System.Text.Encoding.UTF8.GetBytes(iv);
  
 rijndaelCipher.IV = ivBytes;
  
 
  
 ICryptoTransform transform = rijndaelCipher.CreateDecryptor();
  
 
  
 byte[] plainText = transform.TransformFinalBlock(encryptedData, 0, encryptedData.Length);
  
 
  
 return Encoding.UTF8.GetString(plainText);
  
 
  
 }
  
 
  
}
 

參考：          線上DEMO

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C# AES加密解密