C#实现的AES加密解密完整实例_C#教程

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);
 }
 /// <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 = 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：关于加密解密感兴趣的朋友还可以参考本站在线工具：

密码安全性在线检测:

tools.jb51.net/password/my_password_safe

高强度密码生成器:

tools.jb51.net/password/CreateStrongPassword

MD5在线加密工具:

tools.jb51.net/password/CreateMD5Password

迅雷、快车、旋风URL加密/解密工具:

tools.jb51.net/password/urlrethunder

在线散列/哈希算法加密工具:

tools.jb51.net/password/hash_encrypt

更多关于C#相关内容还可查看本站专题：《C#加密与解密算法与技巧总结》、《C#窗体操作技巧汇总》、《C#常见控件用法教程》、《WinForm控件用法总结》、《C#程序设计之线程使用技巧总结》、《C#操作Excel技巧总结》、《C#中XML文件操作技巧汇总》、《C#数据结构与算法教程》、《C#数组操作技巧总结》及《C#面向对象程序设计入门教程》

希望本文所述对大家C#程序设计有所帮助。

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