本文实例讲述了C#实现的AES加密解密。分享给大家供大家参考，具体如下：

/******************************************************************

* 创建人：HTL

* 说明：C# AES加密解密

*******************************************************************/

using System;

using System.Security.Cryptography;

using System.Text;

using System.IO;

public class Test

{

public static void Main()

{

//密码

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);

}

///

/// AES加密

///

/// 加密字符

/// 加密的密码

/// 密钥

///

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);

}

///

/// AES解密

///

///

///

///

///

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);

}

}

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希望本文所述对大家C#程序设计有所帮助。