Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1XHd0c-0005Rg-UE for bitcoin-development@lists.sourceforge.net; Wed, 13 Aug 2014 18:10:50 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of petertodd.org designates 62.13.149.80 as permitted sender) client-ip=62.13.149.80; envelope-from=pete@petertodd.org; helo=outmail149080.authsmtp.com; Received: from outmail149080.authsmtp.com ([62.13.149.80]) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1XHd0a-0006jj-Vd for bitcoin-development@lists.sourceforge.net; Wed, 13 Aug 2014 18:10:50 +0000 Received: from mail-c235.authsmtp.com (mail-c235.authsmtp.com [62.13.128.235]) by punt17.authsmtp.com (8.14.2/8.14.2/) with ESMTP id s7DIAgER046826; Wed, 13 Aug 2014 19:10:42 +0100 (BST) Received: from [25.85.204.243] ([24.114.40.29]) (authenticated bits=0) by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id s7DIAbq5057579 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 13 Aug 2014 19:10:39 +0100 (BST) User-Agent: K-9 Mail for Android In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 From: Peter Todd Date: Wed, 13 Aug 2014 11:10:32 -0700 To: Richard Moore , Bitcoin Dev Message-ID: X-Server-Quench: 22b0bc82-2315-11e4-b396-002590a15da7 X-AuthReport-Spam: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-AuthRoute: OCd2Yg0TA1ZNQRgX IjsJECJaVQIpKltL GxAVKBZePFsRUQkR aAdMdwEUGUATAgsB AmIbWl1eUV17XWI7 aQ5PbARZfE5OQQdj T0xPR01TWkZvdWVw VF8bUhx1cgJPNnh1 Z0MsXHIJXBYpfURg QE1VEHAHZDJkdTIc WUZFdwNWdQpKLx5A PgF4GhFYa3VsFCMk FAgyOXU9MCtSLCNN RwwLMWdaaEAMAj4x XVgdEDQ1EQUZXSw1 NBUtNl8bGg4IL0gp LVomXxRedXc8 X-Authentic-SMTP: 61633532353630.1023:706 X-AuthFastPath: 0 (Was 255) X-AuthSMTP-Origin: 24.114.40.29/465 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: 1XHd0a-0006jj-Vd Subject: Re: [Bitcoin-development] Another weird transaction question... 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, 13 Aug 2014 18:10:51 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 13 August 2014 11:00:22 GMT-07:00, Richard Moore wrote: >Hey all, > >Sorry to keep bugging you all, as I slowly verify the blockchain one >transaction after another with my own implementation, but I have found >another transaction that is obviously correct (as it is verified by the >legit client) that has me seeking clarification. > >This multisig output script: > >https://blockchain.info/tx-index/12809044/0 (txid: >274f8be3b7b9b1a220285f5f71f61e2691dd04df9d69bb02a8b3b85f91fb1857) > >contains a public key: > >00f2b7816db49d55d24df7bdffdbc1e203b424e8cd39f5651ab938e5e4a193569e > >Are invalid public keys permitted and silently ignored? Or does the >0x00 prefix have some interesting meaning? Have you looked at the Bitcoin Core script test cases yet? You might be surprised at what is allowed. Equally, read the source code! In particular follow the block acceptance logic line by line from start to finish. In any case, the Bitcoin protocol doesn't care whether or not a public key is valid. -----BEGIN PGP SIGNATURE----- Version: APG v1.1.1 iQFQBAEBCAA6BQJT66oXMxxQZXRlciBUb2RkIChsb3cgc2VjdXJpdHkga2V5KSA8 cGV0ZUBwZXRlcnRvZGQub3JnPgAKCRAZnIM7qOfwhcgKCACT18WjN11SCuX5qyeq D5zOtGBsAtPMWr8CJuds4gLIkRtxDxPy9cuIMzwLylaC0yvFSIrG6rAIcqqRpkEH hcJj2IXyTRVr/mxg3qDzphYuwWQAgUzBgbhPsHtl8SvnbzJgEdXCsErGs3eW6JTR I5OXeMVT8ZKQVJUKCNGdzlH4673Gh6fIzwW1cPLATt486ByCk5YRXC14IGasxnlg 6IWm4r/I6gOAB7FiPCHm60Q2DJOsX+VEFe3U28Zxlx06i0Ij9JYoKbTDu8e12bSB YFUBwGCbwWr/Xcygg0nWyrEMVk5dcxk/30asF/dEczHRZo9DNUdKt4IAESd+GGC2 P9g4 =e0do -----END PGP SIGNATURE-----