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| author | Peter Todd <pete@petertodd.org> | 2016-08-16 19:30:07 -0700 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2016-08-17 02:30:18 +0000 |
| commit | cc469b6e6b96c8af4111ef063d9f3c0e93ff877d (patch) | |
| tree | 672345cbe74d9f1b837671cf8e9e186bd3637451 | |
| parent | 7feb3659094c47819442f1180eab52e0be9563c5 (diff) | |
| download | pi-bitcoindev-cc469b6e6b96c8af4111ef063d9f3c0e93ff877d.tar.gz pi-bitcoindev-cc469b6e6b96c8af4111ef063d9f3c0e93ff877d.zip | |
Re: [bitcoin-dev] New BIP: Dealing with OP_IF and OP_NOTIF malleability in P2WSH
| -rw-r--r-- | 6e/d23125121dabed7e4822eb298725a7bef23eea | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/6e/d23125121dabed7e4822eb298725a7bef23eea b/6e/d23125121dabed7e4822eb298725a7bef23eea new file mode 100644 index 000000000..05289916f --- /dev/null +++ b/6e/d23125121dabed7e4822eb298725a7bef23eea @@ -0,0 +1,123 @@ +Return-Path: <pete@petertodd.org> +Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org + [172.17.192.35]) + by mail.linuxfoundation.org (Postfix) with ESMTPS id ADDE9941 + for <bitcoin-dev@lists.linuxfoundation.org>; + Wed, 17 Aug 2016 02:30:18 +0000 (UTC) +X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 +Received: from outmail148113.authsmtp.com (outmail148113.authsmtp.com + [62.13.148.113]) + by smtp1.linuxfoundation.org (Postfix) with ESMTP id C1BF6252 + for <bitcoin-dev@lists.linuxfoundation.org>; + Wed, 17 Aug 2016 02:30:17 +0000 (UTC) +Received: from mail-c232.authsmtp.com (mail-c232.authsmtp.com [62.13.128.232]) + by punt21.authsmtp.com (8.14.2/8.14.2/) with ESMTP id u7H2UFwF030619; + Wed, 17 Aug 2016 03:30:15 +0100 (BST) +Received: from petertodd.org (ec2-52-5-185-120.compute-1.amazonaws.com + [52.5.185.120]) (authenticated bits=0) + by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id u7H2UCuw030571 + (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); 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charset=us-ascii +Content-Disposition: inline +Content-Transfer-Encoding: quoted-printable + +On Tue, Aug 16, 2016 at 08:27:54PM -0400, Russell O'Connor via bitcoin-dev = +wrote: +> Okay. +>=20 +> I'm not really opposed to this BIP, but I am worried that fighting script +> malleability is a battle that can never be won; even leaving one avenue of +> malleability open is probably just as bad as having many avenues of +> malleability, so it just doesn't seem worthwhile to me. + +At least some types of malleability are less harmful than others: changing a +few bits with some weird ECC transformation isn't as likely to cause proble= +ms +as being able to append arbitrary data to a transaction's input script. And= + of +course, we do prevent the latter with the cleanstack rule - consensus enfor= +ced +in segwit. + +--=20 +https://petertodd.org 'peter'[:-1]@petertodd.org + +--lrZ03NoBR/3+SXJZ +Content-Type: application/pgp-signature; name="signature.asc" +Content-Description: Digital signature + +-----BEGIN PGP SIGNATURE----- + +iQEcBAEBCAAGBQJXs8wsAAoJEGOZARBE6K+y8HwH/A511FbE5EIirMrmrB/xaRh5 +ADy15Gf0wFbJMQf4IQziFnpbVyd/klkiiOuALU/2g+/vCXgkXBOvpwzm4uFb0ta4 +3CooFe5KfGkern1lxoGdk2vd6+wlHr02O7Omx+55Wd7647RBqwi3wtwjnR9iInJ+ +8f7c6H4t4dINblI8nALQ4F0NSw9+oHSmfBayHRdyXK3UyTrrGqzzOP4Z84sg/gWU +q54KNfjiLrtc2MxO61ROZUTHqg08Bw5IZXQQQF/bAPt7eAQEgdGXCyGJjZjNPuuK +74wihV011IG+XyZ0Pk3XwnjOybuf0qbzq9jl/kRer5cCd7guqfrB3rpTCH76v9U= +=VqSD +-----END PGP SIGNATURE----- + +--lrZ03NoBR/3+SXJZ-- + |