Verify supplied TPM2 quote signature and complete selected-PCR nonce signer bind...
https://detect.halowerk.com/v1/F-TD2000-DOCUMENTS-12/tpm20-p256-sha256-quote-attestation-pcr-nonce-signature-bindingOverview
Verify supplied TPM2 quote signature and complete selected-PCR nonce signer bindings. Reconstruct the fully typed result and compare its complete canonical SHA256 claim.
Protocol
x402 (POST)
Price
$0.0030
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
detect
Source
bazaar
Indexed
2026-11-02 17:25:58
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"body": {
"artifact": {
"tpmQuote": {
"claim": null,
"data": {
"attestation_hex": "ff544347801800017300016e000000000000000a000000000000000001000000000000001400000001000b03010000002066687aadf862bd776c8fc18b8e9f8e20089714856ee233b3902a591d0d5f2925",
"expected_nonce_hex": "6e",
"expected_qualified_signer_hex": "73",
"pcr_values": [
{
"index": 0,
"value_hex": "0000000000000000000000000000000000000000000000000000000000000000"
}
],
"public_key_pem": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEaxfR8uEsQkf4vOblY6RA8ncDfYEt\n6zOg9KE5RdiYwpZP40Li/hp/m47n60p8D54WK84zV2sxXs7LtkBoN79R9Q==\n-----END PUBLIC KEY-----\n",
"signature_der_hex": "304502206638f1306bc05bea8dda157d679fe16465d33d255dfe7cbaecc94abd06848d61022100cfbb1ef420b7e1c7507a5f9c5c76f3235e321647ddd3e0016713a379db558566"
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"billable": true,
"findings": [
{
"confidence": 1,
"evidence": [
{
"page_indices": [],
"page_url": null,
"pattern": "tpm20-p256-sha256-quote-attestation-pcr-nonce-signature-binding_scoped_evidence",
"type": "artifact"
}
],
"limits": [
"Complete bounded supplied artifact only. computed uses 6dp numbers; full result SHA256 uses UTF16-sorted compact JSON, scalar Unicode unchanged and -0=0. No external lookup, trust/identity or legal verdict."
],
"module": "tpm20-p256-sha256-quote-attestation-pcr-nonce-signature-binding",
"state": "observed",
"value": {
"claim_matches": false,
"computed": {
"all_bindings_valid": true,
"clock": "10",
"computed_pcr_digest": "66687aadf862bd776c8fc18b8e9f8e20089714856ee233b3902a591d0d5f2925",
"firmware_version": "20",
"nonce_matches": true,
"pcr_digest_matches": true,
"pcr_indices": [
0
],
"qualified_signer_matches": true,
"quoted_pcr_digest": "66687aadf862bd776c8fc18b8e9f8e20089714856ee233b3902a591d0d5f2925",
"reset_count": 0,
"restart_count": 0,
"safe": true,
"signature_valid": true
},
"computed_sha256": "00451721f54555415436f0f89363c2c8873ed39d760c5799362bc6e9eff5fe3c"
},
"warnings": []
}
],
"known_count": 1,
"scope": {
"contact_values_returned": false,
"network": false,
"supplied_artifact_only": true
},
"warnings": []
},
"type": "json"
}