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Submitted on 02 Dec 22 12:19 UTC. attacker[active] principal Server[ knows private s gs = G^s ] principal Client[ knows private c gc = G^c generates nonce ] Client -> Server: nonce principal Server[ proof = SIGN(s, nonce) ] Server -> Client: gs, proof principal Client[ valid = SIGNVERIF(gs, nonce, proof) generates attestation signed = SIGN(c, attestation) ] Client -> Server: [gc], attestation, signed principal Server[ storage = SIGNVERIF(gc, attestation, signed)? ] queries[ authentication? Server -> Client: proof authentication? Client -> Server: signed ]
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Title:challenge_response_protocol.vp Note over Server: knows private s\n gs = G^s\n Note over Client: knows private c\n gc = G^c\n generates nonce\n Client -> Server: nonce Note over Server: proof = SIGN(s, nonce)\n Server -> Client: gs, proof Note over Client: valid = SIGNVERIF(gs, nonce, proof)\n generates attestation\n signed = SIGN(c, attestation)\n Client -> Server: [gc], attestation, signed Note over Server: storage = SIGNVERIF(gc, attestation, signed)?\n

Analysis Results

The model submitter provided the following analysis results:

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