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Updates to handle 4532 bytes length attestations #78

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merged 2 commits into from
Nov 7, 2024
Merged

Updates to handle 4532 bytes length attestations #78

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eb1d842
Updates to handle 4532 bytes length attestations
KalpitaMandal Nov 7, 2024
4f1db25
Checking only timestamp and PCRs for validating attestations
KalpitaMandal Nov 7, 2024
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11 changes: 1 addition & 10 deletions contracts/periphery/AttestationVerifierZK.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -107,16 +107,7 @@ contract AttestationVerifierZK is
(sha256(journal[:8]) == sha256(attestation[87:95])) && // Checking timestamp
(sha256(journal[8:56]) == sha256(attestation[104:152])) && // Checking PCR0
(sha256(journal[56:104]) == sha256(attestation[155:203])) && // Checking PCR1
(sha256(journal[104:152]) == sha256(attestation[206:254])) && // Checking PCR2
(
sha256(journal[152:249]) == sha256(attestation[1835:1932]) ||
sha256(journal[152:249]) == sha256(attestation[1836:1933])
) // Checking certificate root key
&&
(
sha256(journal[249:313]) == sha256(attestation[4353:4417]) ||
sha256(journal[249:313]) == sha256(attestation[4354:4418]) ||
sha256(journal[249:313]) == sha256(attestation[4356:4420])) // Checking enclave public key, but not proper
(sha256(journal[104:152]) == sha256(attestation[206:254])) // Checking PCR2
)
) revert AttestationVerifierAttestationTooOld();
}
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2 changes: 1 addition & 1 deletion package-lock.json
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