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    So, what does this mean for Signal?

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      Lots of discussion on this at the moment. It means that Secure Value Recovery could be used by a malicious Signal server to exfiltrate user data while attesting to some benign version of the code. That user data could be used to “recover” someone else’s Signal account.

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      Another attack that leaks the private attestation keys in SGX. While this is “just another exploit” it really cements in my mind that SGX can only be relied on as a secondary layer of security.