[strongSwan] initialzing EAP TLS peer with a different IDi than the IDi used in teh first IKE AUTH message

Ravi Kanth Vanapalli vvnrk.vanapalli at gmail.com
Tue Oct 11 18:02:59 CEST 2016


Dear Andreas,
  Thank you for your valuable inputs. My issue is solved now.

Thanks,
Ravikanth

On Tue, Oct 11, 2016 at 8:47 AM, Andreas Steffen <
andreas.steffen at strongswan.org> wrote:

> aaa_identity is used by an EAP client to verify the identity
> in the TLS server certificate if it is different from the IKEv2
> server certificate.
>
> Regards
>
> Andreas
>
> On 11.10.2016 13:36, Ravi Kanth Vanapalli wrote:
> > Adding option (3) here.
> >
> > 3) auth->add(auth, AUTH_RULE_AAA_IDENTITY, id)
> >
> > Which of the following identities (1),2 or 3 is used to fetch the
> > private key in EAP_TLS authentcation.
> >
> >
> > On Tue, Oct 11, 2016 at 7:28 AM, Ravi Kanth Vanapalli
> > <vvnrk.vanapalli at gmail.com <mailto:vvnrk.vanapalli at gmail.com>> wrote:
> >
> >     Sure Andreas. Thank you for this valuable input. I will give a try.
> >
> >     Could you please confirm the difference between 1 and 2 below
> >
> >     1) auth->add(auth, AUTH_RULE_IDENTITY, id);
> >     2)     auth->add(auth, AUTH_RULE_EAP_IDENTITY, id);
> >
> >     My understanding is that (1) is used to fill the IDi in the first
> >     IKE_AUTH message.
> >     Second one is used for Identitiy verification in EAP methods.  eg.
> >     EAP-TLS uses identity added in AUTH_RULE_EAP_IDENTITY for fetching
> >     the private certificate.
> >     (1) and (2) can be different.
> >
> >     Kindly confirm that my understanding is correct.
> >
> >     Thanks,
> >     Ravikanth
> >
> >     On Tue, Oct 11, 2016 at 3:54 AM, Andreas Steffen
> >     <andreas.steffen at strongswan.org
> >     <mailto:andreas.steffen at strongswan.org>> wrote:
> >
> >         Hi Ravi,
> >
> >         why don't you use the eap_identity parameter?
> >
> >         Regards
> >
> >         Andreas
> >
> >         On 10.10.2016 22:13, Ravi Kanth Vanapalli wrote:
> >         > Hi all,
> >         >
> >         > I have a situation wherein I need to alter the IDi slightly
> >         before the
> >         > EAP-TLS authentication proceeds. I.e IDi in the first IKE_AUTH
> >         message
> >         > should be different to IDi to be used for user private key
> >         lookup in the
> >         > EAP-TLS user authentication.
> >         >
> >         > I see that the API 'eap_tls_create_peer' is being used, to
> >         initialize
> >         > the peer identitiy in TLSplugin.
> >         > This is being registered with plugin eap_tls_plugin.c
> >         >
> >         > I am finding it difficult to know which module calls this API
> >         > eap_tls_create_peer to initialize EAP TLS peer identity.
> >         >
> >         > Kindly provide any inputs regarding my issue.
> >         >
> >         > Thank you very much.
> >         >
> >         > --
> >         > Regards,
> >         > RaviKanth
> >
> >         ============================================================
> ==========
> >         Andreas Steffen
> >          andreas.steffen at strongswan.org
> >         <mailto:andreas.steffen at strongswan.org>
> >         strongSwan - the Open Source VPN Solution!
> >         www.strongswan.org <http://www.strongswan.org>
> >         Institute for Internet Technologies and Applications
> >         University of Applied Sciences Rapperswil
> >         CH-8640 Rapperswil (Switzerland)
> >         ===========================================================[
> ITA-HSR]==
> >
> >
> >
> >
> >     --
> >     Regards,
> >
> >     RaviKanth VN Vanapalli
> >     Email: vvnrk.vanapalli at gmail.com <mailto:vvnrk.vanapalli at gmail.com>
> >
> >
> >
> >
> > --
> > Regards,
> >
> > RaviKanth VN Vanapalli
> >
>
> --
> ======================================================================
> Andreas Steffen                         andreas.steffen at strongswan.org
> strongSwan - the Open Source VPN Solution!          www.strongswan.org
> Institute for Internet Technologies and Applications
> University of Applied Sciences Rapperswil
> CH-8640 Rapperswil (Switzerland)
> ===========================================================[ITA-HSR]==
>
>


-- 
Regards,

RaviKanth VN Vanapalli
Ph: (469) 999 7567
Email: vvnrk.vanapalli at gmail.com
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