Certificate's endtime and PK-INIT

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Certificate's endtime and PK-INIT

Love Hörnquist Åstrand


I think this text should be added as part of "3.2.2 Receipt of
Client Request" or "4. Security Considerations":

    The KDC MUST verify that the endtime of the requested ticket is
    before the end time (notAfter time) of the client certificate. The
    KDC should still issue the ticket if the certificate is valid, but
    limit the endtime to the expiration time of the certificate.

One argue that is really part of the folloing text in the security

   PKINIT extends the cross-realm model to the public-key
   infrastructure.  Users of PKINIT must understand security policies
   and procedures appropriate to the use of Public Key Infrastructures

But since I missed it, it might be good to add the text above.

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