genmtpki: remove SubjectKeyId - #8960
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This extension is required by the BR Root CA Certificate Profile, but that's not relevant here: MTC CA Cosigner certificates need to follow the CQRP profile, which references the MTC spec profile, where the extension is optional. https://googlechrome.github.io/chromerootprogram/cqrp/draft-policy/#2431-mtc-ca-cosigner-certificate-profile https://ietf-plants-wg.github.io/merkle-tree-certs/draft-ietf-plants-merkle-tree-certs.html#name-representing-certification- https://cabforum.org/working-groups/server/baseline-requirements/requirements/#71212-root-ca-extensions
aarongable
approved these changes
Aug 20, 2026
beautifulentropy
approved these changes
Aug 21, 2026
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This extension is required by the BR Root CA Certificate Profile, but that's not relevant here: MTC CA Cosigner certificates need to follow the CQRP profile, which references the MTC spec profile, where the extension is optional.
https://googlechrome.github.io/chromerootprogram/cqrp/draft-policy/#2431-mtc-ca-cosigner-certificate-profile
https://ietf-plants-wg.github.io/merkle-tree-certs/draft-ietf-plants-merkle-tree-certs.html#name-representing-certification-
https://cabforum.org/working-groups/server/baseline-requirements/requirements/#71212-root-ca-extensions
Part of #8920.