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([2600:1700:42f0:da0:61aa:c1dc:8c9a:9533]) by smtp.gmail.com with ESMTPSA id j14sm15150244pfn.175.2018.11.26.00.07.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Nov 2018 00:07:50 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.0 \(3445.100.39\)) From: Paul Lambert In-Reply-To: <0D91AF7A-F26F-4E20-A009-B7D75BF8107D@gmail.com> Date: Mon, 26 Nov 2018 00:07:58 -0800 Cc: cfrg@ietf.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <0D91AF7A-F26F-4E20-A009-B7D75BF8107D@gmail.com> To: Neil Madden X-Mailer: Apple Mail (2.3445.100.39) X-MailRoute: Internal X-Proofpoint-Spam-Reason: safe Archived-At: Subject: Re: [Cfrg] SIV for non-AES ciphers first draft X-BeenThere: cfrg@irtf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Crypto Forum Research Group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Nov 2018 08:07:57 -0000 On the draft =E2=80=A6 Given the benefits of Blake2 and it=E2=80=99s similar construction to = ChaCha, why not use Blake2 instead of HMAC-SHA-256? Paul > On Nov 22, 2018, at 9:22 AM, Neil Madden = wrote: >=20 > I have now uploaded a (very rough) first draft describing how to = extend the SIV mode of operation to non-AES ciphers and MACs, as = previously discussed on this list. >=20 > The I-D is available here: = https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__datatracker.ietf.or= g_doc_draft-2Dmadden-2Dgeneralised-2Dsiv_&d=3DDwIGaQ&c=3DqgVugHHq3rzouXkEX= dxBNQ&r=3DoIg4FfS8P761BlhMPJ2ys3IvSyH4XQ12Mbj_mXrCAJs&m=3D5WQpmA8deCCE8ehA= cBhR-0SwNWDHfNA7dEo1IVxbNUM&s=3DBs8DJzvOJ6KwhzN8Yti0sRCdOT5r02Ho7m3qmNKJpu= I&e=3D > The source is on Github here: = https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__github.com_NeilMadd= en_draft-2Dmadden-2Dgeneralised-2Dsiv&d=3DDwIGaQ&c=3DqgVugHHq3rzouXkEXdxBN= Q&r=3DoIg4FfS8P761BlhMPJ2ys3IvSyH4XQ12Mbj_mXrCAJs&m=3D5WQpmA8deCCE8ehAcBhR= -0SwNWDHfNA7dEo1IVxbNUM&s=3DqgsdZqOvSNNunN3u9v69TfSUfrP3mW7OV865Ui6qq8E&e=3D= >=20 > Feedback welcome. Hopefully I=E2=80=99ve managed to wrestle xml2rfc to = produce the right output. >=20 > Kind regards, >=20 > Neil Madden > _______________________________________________ > Cfrg mailing list > Cfrg@irtf.org > = https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.irtf.org_mailma= n_listinfo_cfrg&d=3DDwIGaQ&c=3DqgVugHHq3rzouXkEXdxBNQ&r=3DoIg4FfS8P761BlhM= PJ2ys3IvSyH4XQ12Mbj_mXrCAJs&m=3D5WQpmA8deCCE8ehAcBhR-0SwNWDHfNA7dEo1IVxbNU= M&s=3Dg8oGz_kyMuTTp26sl6yblddFB_S1C5LiXRE9KKXhvxw&e=3D