// AssetBundleの復号化
private static AssetBundle DecryptingAssetBundle(AssetBundle bundle)
{
TextAsset textAsset = bundle.LoadAsset <TextAsset>(bundle.name);
// nullチェック
if (textAsset == null)
{
Debug.Log("[" + bundle.name + "]" + " inner asset is Null.");
return(bundle);
}
bundle.Unload(false);
byte[] decrypt = AESCryption.Decryption(textAsset.bytes);
AssetBundle decryptBundle = AssetBundle.LoadFromMemory(decrypt);
Debug.Log("[" + decryptBundle.name + "]" + " is decryped.");
return(decryptBundle);
}
static void Decryption()
{
// 保存先のパス設定
string outputPath = "AESCryption/Dencrypt";
if (!Directory.Exists(outputPath))
{
Directory.CreateDirectory(outputPath);
}
// エディタ上で選択されたオブジェクトを取得
Object[] objs = Selection.objects;
// 復号化ファイルの保存
foreach (Object obj in objs)
{
TextAsset t = (TextAsset)obj;
byte[] data = AESCryption.Decryption(t.bytes);
string path = outputPath + "/" + t.name + ".bytes";
File.WriteAllBytes(path, data);
}
Debug.Log("[AESCryption]: Decryption completed.");
}