127 lines
4.2 KiB
C#
127 lines
4.2 KiB
C#
using System;
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using System.Security.Cryptography;
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using System.Text;
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public class AESManager
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{
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private static readonly byte[] Key = Encoding.UTF8.GetBytes("01fsd56#@9AB183F"); // 16字节的密钥
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private static readonly byte[] IV = Encoding.UTF8.GetBytes("01fsd56789A*%#3F"); // 16字节的初始向量
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private static byte[] XWKey = Encoding.UTF8.GetBytes("183F01fsd56#@9AB"); // 16字节的密钥
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private static byte[] XWIV = Encoding.UTF8.GetBytes("h1O2Y7d689A*%#0X"); // 16字节的初始向量
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//与 XGame.AESManager 对齐：静态构造里自动用口令初始化 XWKey/XWIV，
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//避免某条路径(如 WebGL 加载)忘了显式 Set() 而退化到上面写死的默认 key，导致解密全错。
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static AESManager()
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{
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Set(ChangeBytes(Encoding.UTF8.GetBytes("#@pOrhgf2026091211325890vciu%c-X")));
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}
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public static byte[] ChangeBytes(byte[] src, byte xor = 0xb4)
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{
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for (int i = 0; i < src.Length; i++)
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{
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src[i] = (byte)(src[i] ^ xor);
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}
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return src;
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}
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public static void Set(byte[] data)
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{
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if (data.Length != 32)
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throw new Exception("AES Key or IV length must be 32 characters");
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else
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{
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XWKey = new byte[16];
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Array.Copy(data, 0, XWKey, 0, 16);
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XWIV = new byte[16];
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Array.Copy(data, 16, XWIV, 0, 16);
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}
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}
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public static string Encrypt(string plainText)
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{
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string encryptedText = Convert.ToBase64String(Encrypt(Encoding.UTF8.GetBytes(plainText)));
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return encryptedText;
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}
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public static byte[] Encrypt(byte[] plainBytes, bool bXW = true)
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{
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using (Aes aes = Aes.Create())
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{
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if (bXW)
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{
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aes.Key = XWKey;
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aes.IV = XWIV;
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}
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else
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{
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aes.Key = Key;
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aes.IV = IV;
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}
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ICryptoTransform encryptor = aes.CreateEncryptor(aes.Key, aes.IV);
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byte[] encryptedBytes = null;
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using (var ms = new System.IO.MemoryStream())
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{
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using (var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write))
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{
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cs.Write(plainBytes, 0, plainBytes.Length);
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cs.FlushFinalBlock();
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}
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encryptedBytes = ms.ToArray();
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}
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return encryptedBytes;
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}
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}
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public static byte[] Decrypt(byte[] encryptedBytes, bool bXW = true)
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{
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using (Aes aes = Aes.Create())
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{
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if (bXW)
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{
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aes.Key = XWKey;
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aes.IV = XWIV;
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}
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else
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{
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aes.Key = Key;
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aes.IV = IV;
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}
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ICryptoTransform decryptor = aes.CreateDecryptor(aes.Key, aes.IV);
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byte[] decryptedBytes = null;
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using (var ms = new System.IO.MemoryStream(encryptedBytes))
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{
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using (var cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read))
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{
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byte[] decryptedData = new byte[encryptedBytes.Length];
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int bytesRead = cs.Read(decryptedData, 0, decryptedData.Length);
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if (bytesRead == decryptedData.Length)
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return decryptedData;
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// 如果你知道解密后的数据的确切大小，你可以根据需要进行截取
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byte[] trimmedData = new byte[bytesRead];
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Array.Copy(decryptedData, trimmedData, bytesRead);
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return trimmedData;
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}
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}
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}
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}
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public static string Decrypt(string encryptedText)
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{
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string decryptedText = Encoding.UTF8.GetString(Decrypt(Convert.FromBase64String(encryptedText)));
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return decryptedText;
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}
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}
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// 使用示例：
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//string originalText = "Hello, World!";
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//string encryptedText = AESExample.Encrypt(originalText);
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//string decryptedText = AESExample.Decrypt(encryptedText);
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//Console.WriteLine("Original Text: " + originalText);
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//Console.WriteLine("Encrypted Text: " + encryptedText);
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//Console.WriteLine("Decrypted Text: " + decryptedText);
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