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author | Eric Voskuil <eric@voskuil.org> | 2016-06-28 23:59:54 +0200 |
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committer | bitcoindev <bitcoindev@gnusha.org> | 2016-06-28 22:00:02 +0000 |
commit | 268f339d8228152e5fbcd164ab4ed0513a570828 (patch) | |
tree | 79f14ba19c8ab7c1ad40fefd2c68a429058afd10 | |
parent | 268ae2ea610088d26d665305b24c99d73985484a (diff) | |
download | pi-bitcoindev-268f339d8228152e5fbcd164ab4ed0513a570828.tar.gz pi-bitcoindev-268f339d8228152e5fbcd164ab4ed0513a570828.zip |
Re: [bitcoin-dev] BIP 151
-rw-r--r-- | 2a/d178b001e7f847a8871be5567c5ab34aff29bc | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/2a/d178b001e7f847a8871be5567c5ab34aff29bc b/2a/d178b001e7f847a8871be5567c5ab34aff29bc new file mode 100644 index 000000000..49c0e6640 --- /dev/null +++ b/2a/d178b001e7f847a8871be5567c5ab34aff29bc @@ -0,0 +1,122 @@ +Return-Path: <eric@voskuil.org> +Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org + [172.17.192.35]) + by mail.linuxfoundation.org (Postfix) with ESMTPS id 65E72A48 + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 28 Jun 2016 22:00:02 +0000 (UTC) +X-Greylist: whitelisted by SQLgrey-1.7.6 +Received: from mail-wm0-f48.google.com (mail-wm0-f48.google.com [74.125.82.48]) + by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 343E4140 + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 28 Jun 2016 21:59:58 +0000 (UTC) +Received: by mail-wm0-f48.google.com with SMTP id f126so157204873wma.1 + for <bitcoin-dev@lists.linuxfoundation.org>; + Tue, 28 Jun 2016 14:59:58 -0700 (PDT) +DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; + d=voskuil-org.20150623.gappssmtp.com; s=20150623; + h=mime-version:subject:from:in-reply-to:date:cc + :content-transfer-encoding:message-id:references:to; + bh=n93r+1hk3C/7yvzA9F2/n1lJlZFVvO8fgbioy7xNIv8=; + b=h0x8dbJ2mGxJmpfUNHWdR2K9nWn/mlSmoJa8rA/4qvudJULUn3KC3TYrhOSNr92C+f + s/CRChlCKqg1LdHpDEUEfurYXSAAi1HTXYCejr1quc5OYxuwzGQvCX0MGzXRZ95BzVg5 + d2uLa12NBCgrlIpjI0du2pcw+Wh/WnG3DJ/3qwP0YhJKYkiWGp10a5AKt4bxgQoO7yJZ + i9KkUkYaNOA5A7zK0Y1NOUQ+9o0ej1B6J5B5v4OsdSWgqfibknk/mzZFg76YbE5xjZhV + XMSIb29mP8dCXISTaQXTWZ/hT0Q/UruhEvYGVSkHSVxsshqYI5m2XAAEGU7hNoAHgpSI + fOOg== +X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; + d=1e100.net; s=20130820; + h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc + :content-transfer-encoding:message-id:references:to; + bh=n93r+1hk3C/7yvzA9F2/n1lJlZFVvO8fgbioy7xNIv8=; + b=QxadAcn9Sl6wh9JFOrDn5XMG2TF+W4/w7s1UOhEOjq2wk1QRIfI00nhj4SgsSf1AB8 + bwA75m1TIi4E9rNW2eQqLzFvUusy0j2MbFcosPCWsoB65XSFBJ/a3Ouh7E1Q48NgoavM + vrizaQBqfDrhszFX8ZlWuYMJICYbpRBa9QATiiJk2/7dDqaxNwtpoFX5T5Ugg3qXf1Eo + y89pGcgTPpAEqSL2BaHvr6SHUk1ImPcrVXAuz+dKxZxM9C2wPAm+hywfB5kqepf6vRIw + WOHS4I9KHkZ3PP/p8JCJ8G+Sa9F+DU6M1pi9oPlgxb1lPlJbZSRceJhXzkaYKKrLdjoX + uUOQ== +X-Gm-Message-State: ALyK8tKI5REB/xgDihtpLOFFc+vO/BoQUItYkcQTWkQ8WtXD08Tfas4fAsFBE57Wco0Jlg== +X-Received: by 10.28.176.129 with SMTP id z123mr16967408wme.99.1467151196811; + Tue, 28 Jun 2016 14:59:56 -0700 (PDT) +Received: from [10.114.7.71] ([41.33.219.246]) + by smtp.gmail.com with ESMTPSA id b200sm914471wmb.9.2016.06.28.14.59.55 + (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); + Tue, 28 Jun 2016 14:59:55 -0700 (PDT) +Content-Type: text/plain; + charset=us-ascii +Mime-Version: 1.0 (1.0) +From: Eric Voskuil <eric@voskuil.org> +X-Mailer: iPhone Mail (13F69) +In-Reply-To: <CAAS2fgRGbnH-NtPRdLe0yhFSoqJ7b6O25LfyGv_ULHhy8bBSpg@mail.gmail.com> +Date: Tue, 28 Jun 2016 23:59:54 +0200 +Content-Transfer-Encoding: quoted-printable +Message-Id: <7F95A7F5-848C-4EA6-9503-C48F45AC1C34@voskuil.org> +References: <87h9cecad5.fsf@rustcorp.com.au> + <1E86A00F-0609-4DBC-9543-94AE04CC13C9@voskuil.org> + <577234A4.3030808@jonasschnelli.ch> + <360EF9B8-A174-41CA-AFDD-2BC2C0B4DECB@voskuil.org> + <20160628182202.GA5519@fedora-21-dvm> + <D40F9E9D-DB6C-4083-A9E8-C5EBC363DB30@voskuil.org> + <20160628201447.GA1148@fedora-21-dvm> + <4DCF7DD2-6533-4F79-8CA1-871B67C01BDA@voskuil.org> + <20160628203605.GA1328@fedora-21-dvm> + <E8335291-7142-4E21-A1E2-76F387426741@voskuil.org> + <CAAS2fgRGbnH-NtPRdLe0yhFSoqJ7b6O25LfyGv_ULHhy8bBSpg@mail.gmail.com> +To: Gregory Maxwell <greg@xiph.org> +X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, + DKIM_VALID, MIME_QP_LONG_LINE, + RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 +X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on + smtp1.linux-foundation.org +Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org> +Subject: Re: [bitcoin-dev] BIP 151 +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.12 +Precedence: list +List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org> +List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe> +List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/> +List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org> +List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help> +List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe> +X-List-Received-Date: Tue, 28 Jun 2016 22:00:02 -0000 + + + +> On Jun 28, 2016, at 11:36 PM, Gregory Maxwell <greg@xiph.org> wrote: +>=20 +> On Tue, Jun 28, 2016 at 9:22 PM, Eric Voskuil via bitcoin-dev +> <bitcoin-dev@lists.linuxfoundation.org> wrote: +>> An "out of band key check" is not part of BIP151. +>=20 +> It has a session ID for this purpose. + +Passing the session ID out of band is authentication. As this is explicitly n= +ot part of BIP151 it cannot be that BIP151 provides the tools to detect a at= +tack (the point at issue). + +>> It requires a secure channel and is authentication. So BIP151 doesn't pro= +vide the tools to detect an attack, that requires authentication. A general r= +equirement for authentication is the issue I have raised. +>=20 +> One might wonder how you ever use a Bitcoin address, or even why we might g= +uess these emails from "you" aren't actually coming from the NSA. + +The sarcasm is counterproductive Greg. By the same token I could ask how you= + ever use Bitcoin given that the P2P protocol is not encrypted or authentica= +ted. + +It doesn't matter who I am, maybe I am the NSA. I don't argue from a positio= +n of authority. Signing my emails while traveling on holiday with only my ph= +one gets a little tedious. + +The blockchain and mempool are a cache of public data. Transmission of a pay= +ment address to a payer is not a comparable scenario. + +The possibility that authentication may become required to participate in th= +is trustless network is a legitimate concern, and one that has not been addr= +essed. + +e= + |