- From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
- Date: Mon, 17 Oct 2005 09:31:17 +0100
- To: "Manger, James H" <James.H.Manger@team.telstra.com>
- CC: www-xkms@w3.org
Hi James,
Sounds like we should make those changes to the examples. I don't
know if Tommy generated those, or just inherited them?
However I'd note in passing that using "bad" x.509 in our examples,
does show that we achieved the required x.509/xkms blood-brain
barrier:-)
Thanks,
Stephen.
Manger, James H wrote:
> The certificate returned in the example of registration of a client-generated key pair (section 6.1.1) is strange.
>
> The <RegisterRequest> includes:
>
> <UseKeyWith Application="urn:ietf:rfc:2459"
> Identifier='C="US" O="Alice Corp" CN="Alice Aardvark"' />
>
> The subject distinguished name (DN) in the resulting certificate consists of 1 RDN with 1 attribute (commonName):
>
> subject rdnSequence:{
> {
> { type commonName, value "Alice Aardvark O=Alice Corp C=US" }
> }
> },
>
> This is too weird. Presumably DN should consist of 3 RDNs each with a 1 attribute:
>
> subject rdnSequence:{
> {
> { type countryName, value "US" },
> { type organizationName, value "Alice Corp" },
> { type commonName, value " Alice Aardvark " }
> }
> },
>
> The certificate has 2 extensions: basic constraints indicating that it is an end-entity certificate; and authority key id indicating the CA's key & certificate details. Both these extensions use very old (deprecated) OIDs (2.5.29.10 & 2.5.29.1) and syntaxes! Even RFC 2459 (which XKMS 2 references, but is itself obsolete) uses newer OIDs for these extensions. In fact, those OIDs are so old I cannot find their specs!
>
> The certificate serial number is a negative, which is not PKIX-compliant (RFC 3280).
>
> The certificates in other examples are similarly strange.
>
> P.S. Section 10.4 "Security of Limited Use Shared Secret" says a shared secret SHOULD contain a minimum of 32 bits of entropy. The example in section 6.1.1, however, uses 6 decimal digits "024837", which has less than 20 bits of entropy.
>
> _____________________________________________
> From: Manger, James H
> Sent: Monday, 17 October 2005 10:24 AM
>
> XML-Signature formats X.509 distinguished names (DNs) according to RFC 2253 "LDAP (v3): UTF-8 representation of distinguished names". XKMS should use the same format...
Received on Monday, 17 October 2005 08:32:13 UTC