So, I just tested, and the race-condition method does work. I was able to download a 200M the encrypted file three times, and they match. You could imagine a si

So, I just tested, and the race-condition method does work. I was able to download a 200M the encrypted file three times, and they match. You could imagine a site operator with hundreds of users uploading a file once every hour or so and lots of synchronized users downloading it for each generated link.