Donald Eastlake [mailto:[email protected]] writes:
...
> >> The wording in Sections 3.1 and 3.2 see to almost be designed to
> allow
> >> the possibility of the multiple *-Cert Attributes carrying a
> >> certificate to appear in more than one Access-Request message. But I
> >> would assume that's not meaningful and/or was not intended to allow
> >> that.
> >
> > There is no way to do such a thing in standard RADIUS.
>
> That's what I thought and why I was puzzled as to why there was a more
> complex wording that appears to permit this. I suppose it is just the
> way the words struck me at the time I read them. But I would, instead
> of
>
> If multiple PKM-SS-Cert
> Attributes are contained within an Access-Request packet, they
> MUST be in order and MUST be consecutive attributes in the
> packet.
>
> have said
>
> These multiple PKM-SS-Cert Attributes MUST appear consecutively
> and in order within an Access-Request packet.
>
> and similarly for PKM-CA-Cert.
OK.
...
> >> This whole table needs to be carefully checked, the
> >> inconsistencies resolved, and it should be clear if literal binary
> >> attributes or some sort of logical aggregate attributes (in the case
> >> of the "Cert" attributes at least), is being counted.
> >
> > I can add notes to the table regarding the "logical" vs. "physical"
> nature
> > of the PKM-*-Cert Attributes, as well as a key to the meaning of
> "0+", etc.
> > Is that OK?
>
> Yes.
You were right, the entries for the PKM*Cert Attributes should have been 0+
instead of 0-1. The Table of Attributes now looks like this:
The following table provides a guide to which attributes may be found
in which kinds of packets, and in what quantity.
Request Accept Reject Challenge Acct-Req # Attribute
0+ 0 0 0 0 TBD1 PKM-SS-Cert [Note 1]
0+ 0 0 0 0 TBD2 PKM-CA-Cert [Note 2]
0 0-1 0 0 0 TBD3 PKM-Config-Settings
0-1 0 0 0 0 TBD4 PKM-Cryptosuite-List
0-1 0 0 0 0 TBD5 PKM-SAID
0 0+ 0 0 0 TBD6 PKM-SA-Descriptor
0 0-1 0 0 0 TBD7 PKM-Auth-Key
[Note 1]
No more than one Subscriber Station Certificate may be transferred
in an Access-Request packet.
[Note 1]
No more than one CA Certificate may be transferred in an Access-
Request packet.
The following table defines the meaning of the above table entries.
0 This attribute MUST NOT be present in packet
0+ Zero or more instances of this attribute MAY be present in packet
0-1 Zero or one instance of this attribute MAY be present in packet
1 Exactly one instance of this attribute MUST be present in packet
Is that OK?
...
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