56 lines
1.9 KiB
C#
56 lines
1.9 KiB
C#
using System.IO;
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using System.Security.Cryptography;
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using System.Text;
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using UnityEngine;
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public class EncryptFileCreator
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{
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private static byte[] key = Encoding.UTF8.GetBytes("Sixteen byte key"); // 加密密钥，需16字节
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private static byte[] iv = Encoding.UTF8.GetBytes("InitializationVe"); // 确保IV长度为16字节
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public static void EncryptAndSaveData(string data,string path)
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{
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string filePath = Path.Combine(Application.streamingAssetsPath, path);
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if (!File.Exists(filePath))
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{
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try
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{
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// 创建文件
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File.WriteAllText(filePath, "");
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Debug.Log("文件已创建");
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}
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catch (IOException e)
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{
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Debug.LogError($"创建文件时出错: {e.Message}");
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}
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}
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// 将数据转换为字节数组
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byte[] plainText = Encoding.UTF8.GetBytes(data);
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// 创建AES加密器
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using (Aes aesAlg = Aes.Create())
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{
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aesAlg.Key = key;
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aesAlg.IV = iv;
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ICryptoTransform encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
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// 创建内存流和加密流
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using (MemoryStream msEncrypt = new MemoryStream())
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{
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using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
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{
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csEncrypt.Write(plainText, 0, plainText.Length);
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csEncrypt.FlushFinalBlock();
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// 获取加密后的数据
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byte[] encryptedData = msEncrypt.ToArray();
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// 保存加密文件到StreamingAssets文件夹
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string fullPath = Path.Combine(Application.streamingAssetsPath, filePath);
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File.WriteAllBytes(fullPath, encryptedData);
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}
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}
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}
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}
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} |