C#实现的AES加密解密完整实例
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
*******************************************************************/
usingSystem;
usingSystem.Security.Cryptography;
usingSystem.Text;
usingSystem.IO;
publicclassTest
{
publicstaticvoidMain()
{
//密码
stringpassword="1234567890123456";
//加密初始化向量
stringiv="";
stringmessage=AESEncrypt("abcdefghigklmnopqrstuvwxyz0123456789",password,iv);
Console.WriteLine(message);
message=AESDecrypt("8Z3dZzqn05FmiuBLowExK0CAbs4TY2GorC2dDPVlsn/tP+VuJGePqIMv1uSaVErr",password,iv);
Console.WriteLine(message);
}
///<summary>
///AES加密
///</summary>
///<paramname="text">加密字符</param>
///<paramname="password">加密的密码</param>
///<paramname="iv">密钥</param>
///<returns></returns>
publicstaticstringAESEncrypt(stringtext,stringpassword,stringiv)
{
RijndaelManagedrijndaelCipher=newRijndaelManaged();
rijndaelCipher.Mode=CipherMode.CBC;
rijndaelCipher.Padding=PaddingMode.PKCS7;
rijndaelCipher.KeySize=128;
rijndaelCipher.BlockSize=128;
byte[]pwdBytes=System.Text.Encoding.UTF8.GetBytes(password);
byte[]keyBytes=newbyte[16];
intlen=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=newbyte[16];
ICryptoTransformtransform=rijndaelCipher.CreateEncryptor();
byte[]plainText=Encoding.UTF8.GetBytes(text);
byte[]cipherBytes=transform.TransformFinalBlock(plainText,0,plainText.Length);
returnConvert.ToBase64String(cipherBytes);
}
///<summary>
///AES解密
///</summary>
///<paramname="text"></param>
///<paramname="password"></param>
///<paramname="iv"></param>
///<returns></returns>
publicstaticstringAESDecrypt(stringtext,stringpassword,stringiv)
{
RijndaelManagedrijndaelCipher=newRijndaelManaged();
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=newbyte[16];
intlen=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;
ICryptoTransformtransform=rijndaelCipher.CreateDecryptor();
byte[]plainText=transform.TransformFinalBlock(encryptedData,0,encryptedData.Length);
returnEncoding.UTF8.GetString(plainText);
}
}
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