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Re: [TLS] TLS 1.3 multiple session tickets from the client?

Hubert Kario <hkario@redhat.com> Fri, 11 May 2018 11:14 UTC

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From: Hubert Kario <hkario@redhat.com>
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Date: Fri, 11 May 2018 13:14:26 +0200
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Subject: Re: [TLS] TLS 1.3 multiple session tickets from the client?
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On Thursday, 10 May 2018 17:46:40 CEST Viktor Dukhovni wrote:
> > On May 10, 2018, at 10:17 AM, Eric Rescorla <ekr@rtfm.com> wrote:
> >> Do you prepend some new "magic" to the (RFC5077 or similar) session
> >> tickets?  Or just look for a matching STEK key name and let that be
> >> the "magic"?
> > 
> > I would imagine, but NSS, at least, doesn't support external PSKs.
> 
> Good to know.  Does any implementation other than OpenSSL support
> external PSKs?  How do you distinguish between external PSKs and
> resumption PSKs?

tlslite-ng does, but it is vulnerable to the enumeration attacks

-- 
Regards,
Hubert Kario
Senior Quality Engineer, QE BaseOS Security team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 115, 612 00  Brno, Czech Republic

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