C#实现的AES加密解密完整实例

C#实现的实现的AES加密解密完整实例加密解密完整实例

主要介绍了C#实现的AES加密解密,结合完整实例形式分析了C#实现的AES算法进行加密与解密的相关技巧,需

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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

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

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);

/// <param name="iv">密钥</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);

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>

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);