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A comment on Zoom rolled their own encryption scheme, transmit keys through servers in China. Parent comment

Re:Zoom rolled their own encryption scheme, transmit keys th... by stubish on Friday April 03, 2020 @07:03PM (#22774776)
Screen sharing a presentation is problematic; lots of discrete blocks of bitmap image being repeated.
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Re:Zoom rolled their own encryption scheme, transmit keys th... by firebones on Saturday April 04, 2020 @02:19PM (#22780225)
If Zoom supports stock background filters or modes, that would seem to be another massive source of repeating plaintext, depending on the implementation.
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Re:Zoom rolled their own encryption scheme, transmit keys th... by tptacek on Saturday April 04, 2020 @04:53PM (#22781438)
I mean, it won't be, for the same reason 'tedunangst points out above. But even if it was: the repeats you'd be referring to would be leaking... stock background filters and modes.
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