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A comment on Signal app downloads spike as US protesters seek message encryption. Parent comment

Re:Signal app downloads spike as US protesters seek message ... by ciarannolan on Thursday June 04, 2020 @11:06PM (#23424659)
If both parties disable iCloud on their phones, does Apple have any way to read messages sent via iMessage?
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Re:Signal app downloads spike as US protesters seek message ... by frisco on Thursday June 04, 2020 @11:27PM (#23424799)
We have no idea and there’s no real way even in principle for us to know.
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Re:Signal app downloads spike as US protesters seek message ... by Nextgrid on Friday June 05, 2020 @12:16AM (#23425020)
They can still pull off an MITM attack by sending the MITM’s keys (pretending to be the other user’s keys) because they control they key exchange.

It’s an active attack and can’t apply retroactively but within these constraints they can still do it.

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Re:Signal app downloads spike as US protesters seek message ... by sneak on Friday June 05, 2020 @03:52AM (#23426064)
Yes, if they add a wiretapping key to one or both of your key lists, which is silent/invisible to the sender.
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