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C#实现的AES加密解密完整实例

2019年07月18日  | 移动技术网IT编程  | 我要评论

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);
 }
}

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密码安全性在线检测:


高强度密码生成器:

md5在线加密工具:

迅雷、快车、旋风url加密/解密工具:

在线散列/哈希算法加密工具:

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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