On Saturday 01 August 2015 23:16:42 Florian Weimer wrote:
> * Hubert Kario:
> > On Tuesday 28 July 2015 16:01:55 Viktor Dukhovni wrote:
> >> In that case, it should be said that a client MUST NOT advertise
> >> TLS 1.3 unless it offers at least one of the TLS 1.3 MTI ciphers
> >> (or perhaps less restrictive at least one TLS 1.3 compatible cipher).
> > 
> > MTI does not mean Mandatory To Enable
> 
> Are you sure?  That's extremely surprising.

yes, I'm sure:

per https://tools.ietf.org/html/rfc5246#page-65

>9.  Mandatory Cipher Suites
>
>   In the absence of an application profile standard specifying
>   otherwise, a TLS-compliant application MUST implement the cipher
>   suite TLS_RSA_WITH_AES_128_CBC_SHA (see Appendix A.5 for the
>   definition).

-- 
Regards,
Hubert Kario
Quality Engineer, QE BaseOS Security team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 99/71, 612 45, Brno, Czech Republic

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