C#實(shí)現(xiàn)的AES加密解密完整實(shí)例

更新時(shí)間：2016年07月07日 11:07:30 作者：HTL

這篇文章主要介紹了C#實(shí)現(xiàn)的AES加密解密,結(jié)合完整實(shí)例形式分析了C#實(shí)現(xiàn)的AES算法進(jìn)行加密與解密的相關(guān)技巧,需要的朋友可以參考下

本文實(shí)例講述了C#實(shí)現(xiàn)的AES加密解密。分享給大家供大家參考，具體如下：

/******************************************************************
 * 創(chuàng)建人：HTL
 * 說(shuō)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">加密字符</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);
 }
}

PS：關(guān)于加密解密感興趣的朋友還可以參考本站在線工具：

密碼安全性在線檢測(cè):

tools.jb51.net/password/my_password_safe

高強(qiáng)度密碼生成器:

tools.jb51.net/password/CreateStrongPassword

MD5在線加密工具:

tools.jb51.net/password/CreateMD5Password

迅雷、快車(chē)、旋風(fēng)URL加密/解密工具:

tools.jb51.net/password/urlrethunder

在線散列/哈希算法加密工具:

tools.jb51.net/password/hash_encrypt