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by wyes 741 days ago
They rely on Trusted Execution Environments and the fact that hash functions are one-way functions.

Verifier -> requests a Prover to attest its software state

Prover -> goes into RoT, verifies authenticity of Verifier (and request), computes hash of attested memory region, sends hash digest

Verifier -> receives digest and compares to known hash

> What’s stopping remote endpoint always responding “yes” The attestation code is inside of a RoT, so a bad actor shouldn't be able to call this code, only callable by receiving a request from a Verifier