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 1WhVKb-0006sx-B0 for bitcoin-development@lists.sourceforge.net; Tue, 06 May 2014 02:42:09 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.212.172 as permitted sender) client-ip=209.85.212.172; envelope-from=srintuar@gmail.com; helo=mail-wi0-f172.google.com; Received: from mail-wi0-f172.google.com ([209.85.212.172]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1WhVKa-0000UT-GX for bitcoin-development@lists.sourceforge.net; Tue, 06 May 2014 02:42:09 +0000 Received: by mail-wi0-f172.google.com with SMTP id hi2so2369764wib.11 for ; Mon, 05 May 2014 19:42:02 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.11.239 with SMTP id t15mr18677078wib.25.1399344122278; Mon, 05 May 2014 19:42:02 -0700 (PDT) Received: by 10.194.78.198 with HTTP; Mon, 5 May 2014 19:42:02 -0700 (PDT) Date: Mon, 5 May 2014 22:42:02 -0400 Message-ID: From: Srintuar To: bitcoin-development@lists.sourceforge.net Content-Type: multipart/alternative; boundary=001a11c289be53b88c04f8b23112 X-Spam-Score: -0.6 (/) 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 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (srintuar[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 1.0 HTML_MESSAGE BODY: HTML included in message -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1WhVKa-0000UT-GX Subject: [Bitcoin-development] Bug in key.cpp 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: Tue, 06 May 2014 02:42:09 -0000 --001a11c289be53b88c04f8b23112 Content-Type: text/plain; charset=UTF-8 I think i see a bug: line 273 of key.cpp if (rec<0 || rec>=3) return false; Afaict, 3 is a perfectly valid value, meaning 25% of sig-> key recoveries would fail erroneously... --001a11c289be53b88c04f8b23112 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I think i see a bug:

line 273 of key.cpp
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 if (rec<0 || rec>=3D3)=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 return= false;

Afaict, 3 is a perfectly valid value, meaning 25% of s= ig-> key recoveries would fail erroneously...


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