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Submitted on 14 Nov 20 14:18 UTC. attacker[active] principal Cicam[ generates cicam_id knows private mdq cert_cicam_id = G^mdq generates dhy dhpm = G^dhy generates auth_nonce ] Cicam -> Host: auth_nonce principal Host[ generates host_id knows private hdq cert_host_id = G^hdq generates dhx dhph = G^dhx sig_a = SIGN(hdq, HASH(auth_nonce, dhph)) ] Cicam -> Host: dhpm, [cert_cicam_id], cicam_id Host -> Cicam: dhph, sig_a, [cert_host_id], host_id principal Cicam[ _ = SIGNVERIF(cert_host_id, HASH(auth_nonce, dhph), sig_a)? sig_b = SIGN(mdq, HASH(auth_nonce, dhph, dhpm)) ] Cicam -> Host: sig_b principal Host[ _ = SIGNVERIF(cert_cicam_id, HASH(auth_nonce, dhph, dhpm), sig_b)? dhsk_h = dhpm^dhx akh = HASH(cicam_id, host_id, dhsk_h) ] Host -> Cicam: akh principal Cicam[ dhsk_m = dhph^dhy akm = HASH(cicam_id, host_id, dhsk_m) _ = ASSERT(akm, akh)? ] queries[ authentication? Host -> Cicam: sig_a authentication? Cicam -> Host: sig_b freshness? akh ]
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Title:CI_plus_v1.3.2_AKMC.vp Note over Cicam: generates cicam_id\n knows private mdq\n cert_cicam_id = G^mdq\n generates dhy\n dhpm = G^dhy\n generates auth_nonce\n Cicam -> Host: auth_nonce Note over Host: generates host_id\n knows private hdq\n cert_host_id = G^hdq\n generates dhx\n dhph = G^dhx\n sig_a = SIGN(hdq, HASH(auth_nonce, dhph))\n Cicam -> Host: dhpm, [cert_cicam_id], cicam_id Host -> Cicam: dhph, sig_a, [cert_host_id], host_id Note over Cicam: _ = SIGNVERIF(cert_host_id, HASH(auth_nonce, dhph), sig_a)?\n sig_b = SIGN(mdq, HASH(auth_nonce, dhph, dhpm))\n Cicam -> Host: sig_b Note over Host: _ = SIGNVERIF(cert_cicam_id, HASH(auth_nonce, dhph, dhpm), sig_b)?\n dhsk_h = dhpm^dhx\n akh = HASH(cicam_id, host_id, dhsk_h)\n Host -> Cicam: akh Note over Cicam: dhsk_m = dhph^dhy\n akm = HASH(cicam_id, host_id, dhsk_m)\n _ = ASSERT(akm, akh)?\n

Analysis Results

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