您的位置：首页 > 编程语言 > C#

C#实现的AES加密解密完整实例

2016-07-07 11:07 756 查看

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》