Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1XFot8-0006WW-Iz for bitcoin-development@lists.sourceforge.net; Fri, 08 Aug 2014 18:27:38 +0000 X-ACL-Warn: Received: from zinan.dashjr.org ([192.3.11.21]) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1XFot7-0004GW-PX for bitcoin-development@lists.sourceforge.net; Fri, 08 Aug 2014 18:27:38 +0000 Received: from ishibashi.localnet (unknown [IPv6:2001:470:5:265:be5f:f4ff:febf:4f76]) (Authenticated sender: luke-jr) by zinan.dashjr.org (Postfix) with ESMTPSA id B5C011080209; Fri, 8 Aug 2014 18:18:32 +0000 (UTC) From: Luke Dashjr To: Jeff Garzik Date: Fri, 8 Aug 2014 18:27:29 +0000 User-Agent: KMail/1.13.7 (Linux/3.15.5-gentoo; KDE/4.12.5; x86_64; ; ) References: In-Reply-To: X-PGP-Key-Fingerprint: E463 A93F 5F31 17EE DE6C 7316 BD02 9424 21F4 889F X-PGP-Key-ID: BD02942421F4889F X-PGP-Keyserver: hkp://pgp.mit.edu MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201408081827.30783.luke@dashjr.org> X-Spam-Score: -0.7 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Headers-End: 1XFot7-0004GW-PX Cc: "bitcoin-development@lists.sourceforge.net" Subject: Re: [Bitcoin-development] Miners MiTM X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Aug 2014 18:27:38 -0000 On Friday, August 08, 2014 6:21:18 PM Jeff Garzik wrote: > gmaxwell noted on IRC that enabling TLS could be functionally, if not > literally, a DoS on the pool servers. Hence the thought towards a > more lightweight method that simply prevents client payout redirection > + server impersonation. My thought for GBT2 a while ago was to use simple ECDSA signatures for messages. It'd be nice to use the same as Bitcoin, but then we'd hit problems with RedHat/Fedora legal being stupid. :( Luke