完整代码：
/******************************************************************
* 创建人：HTL
* 创建时间：2015-04-17 17:36:35
* 说明：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()
{
//密码
string password="";
//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">加密字符</param>
/// <param name="password">加密的密码</param>
/// <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 = ; rijndaelCipher.BlockSize = ; byte[] pwdBytes = System.Text.Encoding.UTF8.GetBytes(password); byte[] keyBytes = new byte[]; 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[]; ICryptoTransform transform = rijndaelCipher.CreateEncryptor(); byte[] plainText = Encoding.UTF8.GetBytes(text); byte[] cipherBytes = transform.TransformFinalBlock(plainText, , 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 = ; rijndaelCipher.BlockSize = ; byte[] encryptedData = Convert.FromBase64String(text); byte[] pwdBytes = System.Text.Encoding.UTF8.GetBytes(password); byte[] keyBytes = new byte[]; 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, , encryptedData.Length); return Encoding.UTF8.GetString(plainText); } }
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