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Update verify_attestation_chains with new manufacturer cert #14650

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Merged
iennae merged 1 commit into from
Oct 19, 2026
Merged

Update verify_attestation_chains with new manufacturer cert #14650

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7 changes: 5 additions & 2 deletions kms/attestations/verify_attestation_chains.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,10 @@

ATTESTATION_SIGNATURE_LEN = 256

MANUFACTURER_CERT_URL = "https://www.marvell.com/content/dam/marvell/en/public-collateral/security-solutions/liquid_security_certificate.zip"
MANUFACTURER_CERT_URL = (
"https://www.marvell.com/content/dam/marvell/en/public-collateral/"
"security-solutions/liquidsecurity-certificate-cnxxxxx-nfbe-x.0-g-v3.zip"
)
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iennae marked this conversation as resolved.

# <Name(C=US,ST=California,L=San Jose,O=Cavium\, Inc.,OU=LiquidSecurity,CN=localca.liquidsecurity.cavium.com)>
MANUFACTURER_CERT_SUBJECT_BYTES = (
Expand Down Expand Up @@ -134,7 +137,7 @@ def get_manufacturer_root_certificate():
resp = requests.get(MANUFACTURER_CERT_URL)
tmp_file = io.BytesIO(resp.content)
zip_file = zipfile.ZipFile(tmp_file)
with zip_file.open("liquid_security_certificate.crt") as f:
with zip_file.open("cavium_cert.crt") as f:
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return x509.load_pem_x509_certificate(f.read(), backends.default_backend())


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