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FW: [TLS] Last Call: draft-ietf-tls-rfc4346-bis (The TransportLayer Security (TLS) Protocol Version 1.2) to Proposed Standard

2008-03-01 08:22:26
I should have CC'd IETF on the following.  (Thanks Nelson.)
--mark

-----Original Message-----
From: tls-bounces(_at_)ietf(_dot_)org [mailto:tls-bounces(_at_)ietf(_dot_)org] 
On Behalf Of Mark
Brown
Sent: Thursday, February 28, 2008 2:57 PM
To: tls(_at_)ietf(_dot_)org
Subject: Re: [TLS] Last Call: draft-ietf-tls-rfc4346-bis (The TransportLayer
Security (TLS) Protocol Version 1.2) to Proposed Standard

TLS Supplemental Data [RFC4680] was overlooked, e.g. in section 7.4.2.
Server Certificate,

      The server MUST send a certificate whenever the agreed-upon key
      exchange method uses certificates for authentication (this
      includes all key exchange methods defined in this document except
      DH_anon).  This message will always immediately follow the server
                                   ^--No
      hello message.

Also in section 7.4.7. Client Key Exchange Message,

      This message is always sent by the client. It MUST immediately
                                                    ^--No
      follow the client certificate message, if it is sent. Otherwise it
      MUST be the first message sent by the client after it receives the
      ^--No
      server hello done message.

Instead, per [RFC4680], ServerCertificate may follow a server's
SupplementalData message.  Also, Client Key Exchange follows the client
Certificate message and/or the client SupplementalData message, if these
messages are sent.  

[RFC4680] should also be added to the references section.  It may be helpful
to add SupplementalData to Figure 1 on page 34 of rfc4346-bis as well,
marked with an asterisk *, following Figure 1 in [RFC4680].

--mark

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