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 程式師世界 >> 編程語言 >> .NET網頁編程 >> C# >> C#入門知識 >> C#完成的AES加密解密完全實例

C#完成的AES加密解密完全實例

編輯:C#入門知識

C#完成的AES加密解密完全實例。本站提示廣大學習愛好者:(C#完成的AES加密解密完全實例)文章只能為提供參考,不一定能成為您想要的結果。以下是C#完成的AES加密解密完全實例正文


本文實例講述了C#完成的AES加密解密。分享給年夜家供年夜家參考,詳細以下:

/******************************************************************
 * 創立人:HTL
 * 解釋: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()
 {
 //暗碼
 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">加密的暗碼</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:關於加密解密感興致的同伙還可以參考本站在線對象:

暗碼平安性在線檢測:

tools.jb51.net/password/my_password_safe

高強度暗碼生成器:

tools.jb51.net/password/CreateStrongPassword

MD5在線加密對象:

tools.jb51.net/password/CreateMD5Password

迅雷、慢車、旋風URL加密/解密對象:

tools.jb51.net/password/urlrethunder

在線散列/哈希算法加密對象:

tools.jb51.net/password/hash_encrypt

願望本文所述對年夜家C#法式設計有所贊助。

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