Re: [multipathtcp] Replacing SHA-1 with SHA-256
Olivier Bonaventure <Olivier.Bonaventure@uclouvain.be> Wed, 15 March 2017 22:17 UTC
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To: Greg Greenway <ggreenway@apple.com>, Alan Ford <alan.ford@gmail.com>
Cc: multipathtcp@ietf.org
From: Olivier Bonaventure <Olivier.Bonaventure@uclouvain.be>
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Date: Wed, 15 Mar 2017 23:17:19 +0100
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Subject: Re: [multipathtcp] Replacing SHA-1 with SHA-256
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On 15/03/17 22:31, Greg Greenway wrote: > Would this change also set a different bit in the MP_CAPABLE option for > crypto algorithm negotiation (eg set bit G for SHA-256, instead of the > current bit H for SHA-1)? No, this idea is that SHA-256 would apply to RFC6824bis, i.e. the standard track version of MPTCP while SHA-1 applies to RFC6824 Olivier >> On Mar 13, 2017, at 1:44 PM, Alan Ford <alan.ford@gmail.com >> <mailto:alan.ford@gmail.com>> wrote: >> >> Hi all, >> >> It’s been flagged up off-list that given SHA-1 is being deprecated, we >> should probably look to replace it with SHA-256 in 6824bis. Even >> though we use truncations of these hashes, the benefits gained from >> SHA-256 are maybe not significant, but does mean that legacy SHA-1 >> code would not be required by implementors. >> >> Does anyone have any concerns about such a change? We do not believe >> it would be significant and could be a direct drop-in in the places >> where SHA-1 is referenced and used today. >> >> Regards, >> Alan >> >> >> >> _______________________________________________ >> multipathtcp mailing list >> multipathtcp@ietf.org <mailto:multipathtcp@ietf.org> >> https://www.ietf.org/mailman/listinfo/multipathtcp > > > > _______________________________________________ > multipathtcp mailing list > multipathtcp@ietf.org > https://www.ietf.org/mailman/listinfo/multipathtcp >
- [multipathtcp] Replacing SHA-1 with SHA-256 Alan Ford
- Re: [multipathtcp] Replacing SHA-1 with SHA-256 Greg Greenway
- Re: [multipathtcp] Replacing SHA-1 with SHA-256 Olivier Bonaventure
- Re: [multipathtcp] Replacing SHA-1 with SHA-256 Greg Greenway
- Re: [multipathtcp] Replacing SHA-1 with SHA-256 Yoshifumi Nishida
- Re: [multipathtcp] Replacing SHA-1 with SHA-256 Alan Ford