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> From: Robert Cragie <robert.cra...@gridmerge.com>
> Date: February 22, 2011 7:30:27 AM PST
> To: t...@ietf.org
> Subject: [TLS] Alert processing in RFC 5216
> Reply-To: robert.cra...@gridmerge.com
> 
> I have a question about RFC 5216 (EAP-TLS) regarding the conversation 
> illustrated on page 10 introduced by "In the case where the server 
> authenticates to the peer successfully, but the peer fails to authenticate to 
> the server, the conversation will appear as follows:". Shouldn't the 
> conversation appear as follows, i.e. where the alert is sent from the server 
> instead of the change_cipher_spec and finished from the server? This is 
> because the server can tell at the point it receives the client's finished 
> message that authentication has failed. Or am I missing something?
> 
>   Authenticating Peer     Authenticator
>   -------------------     -------------
> <- EAP-Request/
>                           Identity
>   EAP-Response/
>   Identity (MyID) ->
> <- EAP-Request/
>                           EAP-Type=EAP-TLS
>                           (TLS Start)
>   EAP-Response/
>   EAP-Type=EAP-TLS
>   (TLS client_hello)->
> <- EAP-Request/
>                           EAP-Type=EAP-TLS
>                           (TLS server_hello,
>                             TLS certificate,
>                    [TLS server_key_exchange,]
>               TLS certificate_request,
>                 TLS server_hello_done)
> 
>   EAP-Response/
>   EAP-Type=EAP-TLS
>   (TLS certificate,
>    TLS client_key_exchange,
>    TLS certificate_verify,
>    TLS change_cipher_spec,
>    TLS finished) ->
> <- EAP-Request
>                           EAP-Type=EAP-TLS
>                           (TLS Alert message)
>   EAP-Response/
>   EAP-Type=EAP-TLS ->
> <- EAP-Failure
>                           (User Disconnected)
> 
> Regards
> 
> Robert
> 
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> t...@ietf.org
> https://www.ietf.org/mailman/listinfo/tls

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