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Re: [keyassure] Bare keys again

Matt McCutchen <matt@mattmccutchen.net> Mon, 21 March 2011 20:19 UTC

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From: Matt McCutchen <matt@mattmccutchen.net>
To: Paul Wouters <paul@xelerance.com>
In-Reply-To: <alpine.LFD.1.10.1103211557590.20162@newtla.xelerance.com>
References: <201103211551.p2LFp5KR027266@fs4113.wdf.sap.corp> <alpine.LFD.1.10.1103211557590.20162@newtla.xelerance.com>
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Date: Mon, 21 Mar 2011 16:21:03 -0400
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Cc: keyassure@ietf.org
Subject: Re: [keyassure] Bare keys again
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On Mon, 2011-03-21 at 16:02 -0400, Paul Wouters wrote:
> Section 7 of 5246 shows me:
> 
>      Client                                               Server
> 
>        ClientHello                  -------->
>                                                        ServerHello
>                                                       Certificate*
>                                                 ServerKeyExchange*
>                                                CertificateRequest*
>                                     <--------      ServerHelloDone
>        Certificate*
>        ClientKeyExchange
>        CertificateVerify*
>        [ChangeCipherSpec]
>        Finished                     -------->
>                                                 [ChangeCipherSpec]
>                                     <--------             Finished
>        Application Data             <------->     Application Data
> 
> * Indicates optional or situation-dependent messages that are not
>     always sent.
> 
> To me this seems to say that "Certificate*" on the server side could
> be omitted in situation-dependent messages.

Yes, as described elsewhere in the standard.  It doesn't mean that you
can omit the Certificate message whenever you please.

-- 
Matt

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