Privacy

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Downsides of Signal alternatives compared to Signal? (lemmy.ml)

submitted 7 months ago by AprilF00lz@lemmy.ml to c/privacy@lemmy.ml

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I'm thinking of the things listed on the Privacy Guides real-time communication section

https://www.privacyguides.org/en/real-time-communication/

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[–] Scolding0513@sh.itjust.works 4 points 7 months ago (1 children)

excuse me what? signal can extract your encryption key how exactly?

[–] jet@hackertalks.com 6 points 7 months ago* (last edited 7 months ago) (1 children)

They have your key In a SGX enclave. You only need to look at the rich history of side channel attacks, known SGX critical vulnerabilities, or just the fact that Intel can sign arbitrary code, which can run in the enclave, which means they can be compelled to with the cooperation of the government

https://dl.acm.org/doi/fullHtml/10.1145/3456631

https://nvd.nist.gov/vuln/search/results?form_type=Basic&results_type=overview&query=SGX&search_type=all&isCpeNameSearch=false

I'm not saying they do, but they have the capability, which needs to be accounted for in your threat model.

At the end of the day, people are entrusting their encryption keys with the signal foundation to be stored in the cloud. That needs to be part of the threat model.

[–] Scolding0513@sh.itjust.works 1 points 7 months ago* (last edited 7 months ago)

i read some of your other comments too. this is insane. I've always hated signal but this is another reason on top. No wonder the CIA funded them for 10 years.