RFC 6487, "A Profile for X.509 PKIX Resource Certificates", February 2012Source of RFC: sidr (rtg)
See Also: RFC 6487 w/ inline errata
Errata ID: 3238
Publication Format(s) : TEXT
Reported By: Stephen Kent
Date Reported: 2012-05-31
Verifier Name: Stewart Bryant
Date Verified: 2013-01-11
Section 6.3 says:
ExtendedKeyUsage The CA MAY honor ExtendedKeyUsage extensions of keyCertSign and cRLSign if present, as long as this is consistent with the BasicConstraints SubjectType sub-field, when specified.
It should say:
ExtendedKeyUsage The CA MAY honor ExtendedKeyUsage extensions in requests for EE certificates that are issued to routers or other devices, consistent with values specified in Standards Track RFCs that adopt this profile and that identify application-specific requirements that motivate the use of such EKUs.
The current text appears to be the result of a "cut and paste" error. It is essentially identical to the text
for the Key Usage extension, and names two fields that appear in that extension, not in an EKU extension. The text I propose above parallels what appears in Section 4.8.5, which describes how an
EKU MAY be used in RPKI certificates.