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-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1YDyTI-0001JX-4g for bitcoin-development@lists.sourceforge.net; Wed, 21 Jan 2015 16:49:36 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.213.181 as permitted sender) client-ip=209.85.213.181; envelope-from=pieter.wuille@gmail.com; helo=mail-ig0-f181.google.com; Received: from mail-ig0-f181.google.com ([209.85.213.181]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1YDyTG-0002CB-9W for bitcoin-development@lists.sourceforge.net; Wed, 21 Jan 2015 16:49:36 +0000 Received: by mail-ig0-f181.google.com with SMTP id hn18so9222086igb.2 for ; Wed, 21 Jan 2015 08:49:29 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.42.64.193 with SMTP id h1mr16788579ici.32.1421858968997; Wed, 21 Jan 2015 08:49:28 -0800 (PST) Received: by 10.50.20.229 with HTTP; Wed, 21 Jan 2015 08:49:28 -0800 (PST) In-Reply-To: <878ugwbv2x.fsf@rustcorp.com.au> References: <878ugwbv2x.fsf@rustcorp.com.au> Date: Wed, 21 Jan 2015 11:49:28 -0500 Message-ID: From: Pieter Wuille To: Rusty Russell Content-Type: text/plain; charset=ISO-8859-1 X-Spam-Score: -1.6 (-) 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 (pieter.wuille[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -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: 1YDyTG-0002CB-9W Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] [softfork proposal] Strict DER signatures 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: Wed, 21 Jan 2015 16:49:36 -0000 On Tue, Jan 20, 2015 at 11:45 PM, Rusty Russell wrote: > // Null bytes at the start of R are not allowed, unless it would otherwise be > // interpreted as a negative number. > if (lenS > 1 && (sig[lenR + 6] == 0x00) && !(sig[lenR + 7] & 0x80)) > return false; > > You mean "null bytes at the start of S". Thanks, fixed. -- Pieter