Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 09C346C for ; Thu, 9 Jun 2016 06:57:36 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from server3 (server3.include7.ch [144.76.194.38]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id B01F613B for ; Thu, 9 Jun 2016 06:57:34 +0000 (UTC) Received: by server3 (Postfix, from userid 115) id 4F1F62E60545; Thu, 9 Jun 2016 08:57:33 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, FSL_HELO_NON_FQDN_1 autolearn=ham version=3.3.1 Received: from Jonass-MacBook-Pro-2.local (cable-static-140-182.teleport.ch [87.102.140.182]) by server3 (Postfix) with ESMTPSA id 85F1D2D003BE for ; Thu, 9 Jun 2016 08:57:32 +0200 (CEST) To: bitcoin-dev@lists.linuxfoundation.org References: <20160608234728.GQ32334@dosf1.alfie.wtf> <20160609014259.GT32334@dosf1.alfie.wtf> From: Jonas Schnelli Message-ID: <57591359.4050607@jonasschnelli.ch> Date: Thu, 9 Jun 2016 08:57:29 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 MIME-Version: 1.0 In-Reply-To: <20160609014259.GT32334@dosf1.alfie.wtf> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fS1qbn8bfdss4oS3cRF3HTOIS1RNhSlsi" Subject: Re: [bitcoin-dev] BIP 151 MITM X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jun 2016 06:57:36 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --fS1qbn8bfdss4oS3cRF3HTOIS1RNhSlsi Content-Type: multipart/mixed; boundary="qSRNXs7ik6QbD2j3BUjHUtO9Q5efArpwa" From: Jonas Schnelli To: bitcoin-dev@lists.linuxfoundation.org Message-ID: <57591359.4050607@jonasschnelli.ch> Subject: Re: [bitcoin-dev] BIP 151 MITM References: <20160608234728.GQ32334@dosf1.alfie.wtf> <20160609014259.GT32334@dosf1.alfie.wtf> In-Reply-To: <20160609014259.GT32334@dosf1.alfie.wtf> --qSRNXs7ik6QbD2j3BUjHUtO9Q5efArpwa Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Hi > On Thu, Jun 09, 2016 at 01:24:09AM +0000, Gregory Maxwell wrote: >> Reduction to plaintext isn't an interesting attack vector for an activ= e >> attacker: they can simply impersonate the remote side. >> >> This is addressed via authentication, where available, which is done b= y a >> separate specification that builds on this one. >=20 > Are there any links to discussions on how authentication may be done? I'm currently working on the Auth-BIP which is not worth reviewing it right now (I will post it to the mailing list once it has been reached a stable level where it can be discusses). If you can't wait, here is the current work: https://github.com/jonasschnelli/bips/blob/35d7e382cdd6955ff42726c3d06c44= e33f61ae52/bip-undef-0.mediawiki Most recent MITM/auth discussion (there where plenty of discussions on IRC about this topic): https://botbot.me/freenode/bitcoin-core-dev/2016-04-04/?msg=3D63463826&pa= ge=3D3 --qSRNXs7ik6QbD2j3BUjHUtO9Q5efArpwa-- --fS1qbn8bfdss4oS3cRF3HTOIS1RNhSlsi Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXWRNZAAoJECnUvLZBb1PsmLQP/iIpjnYgQL7q0BEToEh6BYWH thz2P5UwKT+/2ZhC79e3vdC4LfP4iNJ8Ap19SaVydfADajtjSP2jA3RvD4XYkDYc iSGdsLU/tBXlbWK2rBxPXrTkoLmt94tJC52O+4AZRnfUMtgN/YDzCuw5xgfw/sxc 0uHBQFVhVhbZ7ZPegmfCIKIxA5spNZu+34M6igJoV9nmqFC5/v5LsPDdzClXDU2k wLukATtST+UAWiErZ4dVG/ckIwZyxo15kdpkl+9qBxlz9BCSwvRN9g35PAdkHPDk j6PnHzO1AuXBFBI/oATMrYvjIztMrkQjauv/bYc1YK9+vPY9bAp8F31Ez9YYTTFn hJm07UON7FXn5wgrx2UcR+UbXlmIEuCbGTQR79k44lrv8FWq1rzD/5yuW6EOlA/K vhPeaifs1+zjG14PxOMQVZCfdy5PGDR17Xhcr7OFNZt9YEQiscpweTfJAD+PTpHn ru1NowGEKfdDiLAHHaIRLe4hHTdknt5O/81f6/MxpqxktJ+M5GY6q11hX5mohkC6 PZieEa3jZc8CL+tfgGLL1qclnUhzjO49yf8KLkKeHst4nCakLPW1X8OzmyJO8aYw L6/BTS5MpTNyVlYCgyN0yeEOnS5UvHmXVFNrnUlAbgZAhJgRTGyHpWDuprBzdga3 BVx/3Xib0Wl7oarnEvuM =l2Zx -----END PGP SIGNATURE----- --fS1qbn8bfdss4oS3cRF3HTOIS1RNhSlsi--