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Old 11-10-2017, 04:20 AM  
rowan
Too lazy to set a custom title
 
Join Date: Mar 2002
Location: Australia
Posts: 17,393
Quote:
Originally Posted by MFCT View Post
Wouldn't Facebook simply need only a CRC or HASH of the photos?

"Oh, um...yeah. But...um, we need the photos to be in our possession. So we can make the CRC/HASH ourselves, for your convenience. Yeah, that's it."
Even just knowing the hash can still ultimately result in shenanigans. Example: high level engineer at Facebook codes up something to save an uploaded image when a hash matches. Perhaps he's also previously browsed the profiles of girls who have submitted hashes, to whittle down his wishlist.
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