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YouTube video has its own URL in it
31–40 of 160 posts
Re: YouTube video has its own URL in it
#32Definitely not the same technique, but at one point I watched a Mario Maker puzzle level someone had uploaded that used part of its own level code as a clue. The trick was that only two characters of the level code were used, which is hexadecimal, so there are 256 combinations of those two characters, allowing the level creator to brute force re-uploading the level until getting the desired combination.
http://www.alaricstephen.com/main-featured/2017/7/3/the-clin...
Re: YouTube video has its own URL in it
#33Can't you just upload a video, get the url. Make a new video and upload it as an edit?
No, you can edit a video in YT but you can't reupload a new video with the same URL.
edit: Yes, sorry for the crappy source though -> https://www.reviewjournal.com/insidetech/youtube-lets-some-u...
Re: YouTube video has its own URL in it
#34I think it's most likely done with the API. From what I remember from looking at it a while ago you can create the entry before, then it'll give you the right endpoint where you post your actual file to later on in the process. You just have to do that quickly enough so the endpoint doesn't expire.
Re: YouTube video has its own URL in it
#35Re: YouTube video has its own URL in it
#36This looks really interesting. Has YouTube ever published their URL generation technique? Any one has a guess how this was done? If they use a one way hash over metadata and content if video does this not mean that someone has figured out their secret key.
I'm wondering how this could actually be exploited. Is there any value in knowing your URL ahead of time besides impressing the HN crowd?
Re: YouTube video has its own URL in it
#37Re: YouTube video has its own URL in it
#38Maybe 1) start upload till URL appears 2) go offline 3) replace file 4) go online
Re: YouTube video has its own URL in it
#39Re: YouTube video has its own URL in it
#40Definitely not the same technique, but at one point I watched a Mario Maker puzzle level someone had uploaded that used part of its own level code as a clue. The trick was that only two characters of the level code were used, which is hexadecimal, so there are 256 combinations of those two characters, allowing the level creator to brute force re-uploading the level until getting the desired combination.
Reminds me of the brilliant New York Times crossword which "predicted" the winner of the US election in 1996: http://www.alaricstephen.com/main-featured/2017/7/3/the-clin...