Re: [babel] Minor clarification to HMAC

Toke Høiland-Jørgensen <toke@toke.dk> Fri, 28 June 2019 14:01 UTC

From: Toke Høiland-Jørgensen <toke@toke.dk>
To: "STARK, BARBARA H" <bs7652@att.com>, 'Juliusz Chroboczek' <jch@irif.fr>, "'babel@ietf.org'" <babel@ietf.org>
In-Reply-To: <2D09D61DDFA73D4C884805CC7865E6114E1FAFA0@GAALPA1MSGUSRBF.ITServices.sbc.com>
References: <874l49j158.wl-jch@irif.fr> <2D09D61DDFA73D4C884805CC7865E6114E1FAFA0@GAALPA1MSGUSRBF.ITServices.sbc.com>
Date: Fri, 28 Jun 2019 16:01:16 +0200
Message-ID: <878stl95cj.fsf@toke.dk>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/babel/wM_-Waw7EL6pEBY1-TH5nR_Ekss>
Subject: Re: [babel] Minor clarification to HMAC
Precedence: list

"STARK, BARBARA H" <bs7652@att.com> writes:

>> The draft says that a neighbour entry MUST NOT be created before HMAC is
>> verified (Section 4.3 first bullet).
>> 
>> It later says that a neighbour entry "might need to be created" when a
>> challenge is sent, and "may need to be created" when a challenge is
>> received.  However, it does not say whether it is legal to create an entry
>> earlier.
>> 
>> I would therefore like to kindly request the permission of the group and the
>> chairs to add the following between the first and second bullet points of
>> Section 4.3:
>> 
>>   * A neighbour entry for the sender of the packet MAY be created at this
>>     stage.  (Alternatively, an implementation MAY delay the creation of
>>     a neighbour entry until a challenge request or reply is received.)
>> 
>> This clarification does not invalidate any implementations, it just makes the
>> intent of the draft authors more explicit.
>
> +1
> I think this is a good change.

+1

-Toke

[babel] Minor clarification to HMAC Juliusz Chroboczek
Re: [babel] Minor clarification to HMAC STARK, BARBARA H
Re: [babel] Minor clarification to HMAC Toke Høiland-Jørgensen
Re: [babel] Minor clarification to HMAC Markus Stenberg
Re: [babel] Minor clarification to HMAC David Schinazi
Re: [babel] Minor clarification to HMAC Mahesh Jethanandani
Re: [babel] Minor clarification to HMAC Juliusz Chroboczek
Re: [babel] Minor clarification to HMAC Juliusz Chroboczek
Re: [babel] Minor clarification to HMAC Markus Stenberg
Re: [babel] Minor clarification to HMAC Juliusz Chroboczek
Re: [babel] Minor clarification to HMAC Markus Stenberg
Re: [babel] Minor clarification to HMAC Juliusz Chroboczek
Re: [babel] Minor clarification to HMAC Markus Stenberg
Re: [babel] Minor clarification to HMAC Juliusz Chroboczek
Re: [babel] Minor clarification to HMAC Markus Stenberg
Re: [babel] Minor clarification to HMAC Mahesh Jethanandani