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A comment on Serious vulnerabilities in Matrix’s end-to-end encryption are being patched. Parent comment

Re:Serious vulnerabilities in Matrix’s end-to-end encryption... by tptacek on Friday September 30, 2022 @12:01AM (#33030761)
Signal didn't allow servers to control group membership prior to the 2019 design!
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Re:Serious vulnerabilities in Matrix’s end-to-end encryption... by palata on Sunday October 02, 2022 @09:57AM (#33055897)
And the zero-knowledge groups still don't give that capability to the servers, do they?
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Re:Serious vulnerabilities in Matrix’s end-to-end encryption... by tptacek on Sunday October 02, 2022 @09:07PM (#33062217)
No, of course not: it's part of the premise of a secure group messenger that the server can't control the groups. Which is what makes it so incredible that Matrix screwed this up so completely.
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