In situations you described, everything available on said phone/laptop will be compromised, including Signal, no?
On a laptop, yes. That's why it is not a primary device and you can revoke so it won't have continued access to your messages.
On the phone, no. You need to have a few 0-day to break into Secure Enclave to get access to Signal related keys.
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On a laptop, yes. That's why it is not a primary device and you can revoke so it won't have continued access to your messages.
On the phone, no. You need to have a few 0-day to break into Secure Enclave to get access to Signal related keys.