Re: [AVTCORE] I-D Action: draft-ietf-avtcore-aria-sdes-00.txt

Magnus Westerlund <magnus.westerlund@ericsson.com> Tue, 02 June 2015 14:46 UTC

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Date: Tue, 2 Jun 2015 16:46:35 +0200
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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Cc: avt@ietf.org, draft-ietf-avtcore-aria-sdes@tools.ietf.org
Subject: Re: [AVTCORE] I-D Action: draft-ietf-avtcore-aria-sdes-00.txt
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Just correcting the sender list.

/Magnus

Magnus Westerlund skrev den 2015-06-02 16:44:
> Hi,
>
> I have reviewed this draft based on the split.
>
> 1. Section 1:
>
>     This document defines Secure Real-time Transport Protocol (SRTP)
>     [RFC3711] crypto suites based on the the ARIA [RFC5794] block cipher
>     algorithm for use with the SDP Security Descriptions attributes
>     [RFC4568].
>
> I think this paragraph needs to be rewritten with the goal to make it
> clear that it is a SDP Security Description definition for what is
> defined in [draft-ietf-avtcore-aria-srtp]. As currently formulated one
> can get the impression that it actually defines the ARIA crypto suits
> for SRTP.
>
> 2. Removal of AEAD_ARIA_128_GCM_8.
>
> Based on that this cipher is not meeting the expected security goals I
> think it should be removed.
>
> 3. Section 2.
>
> Section heading "Patameters" should be changed to "Parameters".
>
> 4. Section 2:
>
> For the CTR cipher suites depending on the answer on the main aria draft
> you may have to change the lines for lifetime:
>
> "Default key lifetime            | 2^31 packets "
>
> Cheers
>
> Magnus Westerlund
>
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-- 

Magnus Westerlund

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Services, Media and Network features, Ericsson Research EAB/TXM
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Ericsson AB                 | Phone  +46 10 7148287
Färögatan 6                 | Mobile +46 73 0949079
SE-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com
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