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A comment on Facebook crawls links in PDFs you send in Messenger. Parent comment

Re:Facebook crawls links in PDFs you send in Messenger by BubRoss on Saturday October 26, 2019 @02:54PM (#21365492)
Again, it isn't to prove the encryption works, it is only a test that could prove that it doesn't work.
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Re:Facebook crawls links in PDFs you send in Messenger by SlowRobotAhead on Saturday October 26, 2019 @03:51PM (#21365804)
Ah, yea, I got the argument backwards. I thought he was saying if content wasn’t blocked that it proved encryption worked. Can’t prove the negative.
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