For one, it's not clear that this tool creates standard .ZIP files, so the bad guys using an off-the-shelf `unzip` tool would probably suspect things. If the t

For one, it's not clear that this tool creates standard .ZIP files, so the bad guys using an off-the-shelf `unzip` tool would probably suspect things. If the tool does create regular ZIPs with irregular contents, they could still see that there's noise that isn't read during the course of decryption/extraction, which is suspect.