1.9.26 - lz4 decompression - check if decryptor is set

Author: K0lb3

UnityPy/__init__.py

@@ -1,4 +1,4 @@
-__version__ = "1.9.25"
+__version__ = "1.9.26"
 
 from .environment import Environment
 from .helpers.ArchiveStorageManager import set_assetbundle_decrypt_key

UnityPy/files/BundleFile.py

@@ -411,7 +411,7 @@ def decompress_data(
         if comp_flag == CompressionFlags.LZMA:  # LZMA
             return CompressionHelper.decompress_lzma(compressed_data)
         elif comp_flag in [CompressionFlags.LZ4, CompressionFlags.LZ4HC]:  # LZ4, LZ4HC
-            if flags & 0x100:
+            if self.decryptor is not None and flags & 0x100:
                 compressed_data = self.decryptor.decrypt_block(compressed_data, index)
             return CompressionHelper.decompress_lz4(compressed_data, uncompressed_size)
         elif comp_flag == CompressionFlags.LZHAM:  # LZHAM