From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1W2nv0-0003mx-Tc for bitcoin-development@lists.sourceforge.net; Mon, 13 Jan 2014 20:15:30 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of petertodd.org designates 62.13.149.75 as permitted sender) client-ip=62.13.149.75; envelope-from=pete@petertodd.org; helo=outmail149075.authsmtp.net; Received: from outmail149075.authsmtp.net ([62.13.149.75]) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1W2nuz-0002eo-E7 for bitcoin-development@lists.sourceforge.net; Mon, 13 Jan 2014 20:15:30 +0000 Received: from mail-c237.authsmtp.com (mail-c237.authsmtp.com [62.13.128.237]) by punt14.authsmtp.com (8.14.2/8.14.2) with ESMTP id s0DKFMIm044962; Mon, 13 Jan 2014 20:15:22 GMT Received: from petertodd.org (petertodd.org [174.129.28.249]) (authenticated bits=128) by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id s0DKFAQK079452 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Mon, 13 Jan 2014 20:15:12 GMT Date: Mon, 13 Jan 2014 15:15:10 -0500 From: Peter Todd To: Gregory Maxwell Message-ID: <20140113201509.GC7941@petertodd.org> References: <20140106120338.GA14918@savin> <20140110102037.GB25749@savin> <20140113194049.GJ38964@giles.gnomon.org.uk> <52D4458C.6010909@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="UPT3ojh+0CqEDtpF" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Server-Quench: 68e7ef20-7c8f-11e3-94fa-002590a135d3 X-AuthReport-Spam: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-AuthRoute: OCd2Yg0TA1ZNQRgX IjsJECJaVQIpKltL GxAVKBZePFsRUQkR aQdMdwEUElQaAgsB AmIbWVReUVh7WGA7 ag1VcwRfa1RMVxto VEFWR1pVCwQmQhx1 fWhvM2JycAxCfXw+ ZEZiWHQVWkwvchMr QE5JEj4OM3phaTUc TUlcIVJJcANIexZF O1F8UScOLwdSbGoL NQ4vNDcwO3BTJTpY RgYVKF8UXXNDJSIx ThQeHX0GEUEfSj4o IgdO X-Authentic-SMTP: 61633532353630.1024:706 X-AuthFastPath: 0 (Was 255) X-AuthSMTP-Origin: 174.129.28.249/587 X-AuthVirus-Status: No virus detected - but ensure you scan with your own anti-virus system. X-Spam-Score: -1.5 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain -0.0 SPF_PASS SPF: sender matches SPF record X-Headers-End: 1W2nuz-0002eo-E7 Cc: Bitcoin Development Subject: Re: [Bitcoin-development] Stealth Addresses 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: Mon, 13 Jan 2014 20:15:31 -0000 --UPT3ojh+0CqEDtpF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 13, 2014 at 12:10:56PM -0800, Gregory Maxwell wrote: > Uh while I'm responding again, what I'd discussed with Peter Todd in > IRC used two EC points in the stealth address. One for the payment and > one for the ECDH. The reason to use two is that it makes delegating > detection possible and so you don't have to have you spending keys > online to even detect these payments. Why'd that get dropped? I mentioned it again in another email; I just forgot to include it in my final write-up. --=20 'peter'[:-1]@petertodd.org 00000000000000023d5a8bbe131414328a6c50a2741933ba03775afd3c3db395 --UPT3ojh+0CqEDtpF Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAEBCAAGBQJS1ElNAAoJEBmcgzuo5/CFOqgIAMwGJ5iAza5QI4IxKVFXWmtg RTldONbsfAA+ZIvQQ/CQ/4BmdldUyCuHL8o/91HdE7xHM96BAYE+RbX5nOxRAUCT 91XHQvetIZlhtVO4YrLq/tS8iQ576TBrFmgNAjB1P97E2XCGUixR5OceFSEENqUl ISOYxzKT0NH92UD8O1XXRN0IBnOlO+6WFuhzsfLQ5rDcHYbc2RvMShMBBAGu96vn lAZU86+MfRfiqvL9BvesHkJcGpprHyRfYzKgfi4nBOF6gAgr+IivtpI1m9GCKwsx U0n6amlY3coFcieCA2hOnuxc7gr5nqa3HcrejRhA2vMqqr6zHaiFJ/0DDUcM4b4= =jRjy -----END PGP SIGNATURE----- --UPT3ojh+0CqEDtpF--