public inbox for bitcoindev@googlegroups.com
 help / color / mirror / Atom feed
From: Peter Todd <pete@petertodd•org>
To: Pieter Wuille <pieter.wuille@gmail•com>,
	Gregory Maxwell <gmaxwell@gmail•com>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] [softfork proposal] Strict DER signatures
Date: Wed, 21 Jan 2015 11:10:53 -0800	[thread overview]
Message-ID: <20150121191053.GB8403@muck> (raw)
In-Reply-To: <CAPg+sBhk7F2OHT64i2LNSjv8DR5tD3RJkLJGzPGZW8OPQTCjQw@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1533 bytes --]

On Tue, Jan 20, 2015 at 07:35:49PM -0500, Pieter Wuille wrote:

I read this and it's boring, now that all my objections have been met. :)

I'll try get a chance to actually test/review this in detail; in SF for
the next three weeks with some ugly deadlines and a slow laptop. :(

> Hello everyone,
> 
> We've been aware of the risk of depending on OpenSSL for consensus
> rules for a while, and were trying to get rid of this as part of BIP
> 62 (malleability protection), which was however postponed due to
> unforeseen complexities. The recent evens (see the thread titled
> "OpenSSL 1.0.0p / 1.0.1k incompatible, causes blockchain rejection."
> on this mailing list) have made it clear that the problem is very
> real, however, and I would prefer to have a fundamental solution for
> it sooner rather than later.
> 
> I therefore propose a softfork to make non-DER signatures illegal
> (they've been non-standard since v0.8.0). A draft BIP text can be
> found on:
> 
>     https://gist.github.com/sipa/5d12c343746dad376c80
> 
> The document includes motivation and specification. In addition, an
> implementation (including unit tests derived from the BIP text) can be
> found on:
> 
>     https://github.com/sipa/bitcoin/commit/bipstrictder
> 
> Comments/criticisms are very welcome, but I'd prefer keeping the
> discussion here on the mailinglist (which is more accessible than on
> the gist).

-- 
'peter'[:-1]@petertodd.org
00000000000000001a5e1dc75b28e8445c6e8a5c35c76637e33a3e96d487b74c

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 650 bytes --]

  parent reply	other threads:[~2015-01-21 19:11 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-21  0:35 Pieter Wuille
2015-01-21  4:45 ` Rusty Russell
2015-01-21 16:49   ` Pieter Wuille
2015-01-21 19:10 ` Peter Todd [this message]
2015-01-21 19:29 ` Douglas Roark
2015-01-21 20:30   ` Pieter Wuille
2015-01-21 20:39     ` Douglas Roark
2015-01-21 20:37   ` Gavin Andresen
2015-01-21 20:52     ` Douglas Roark
2015-01-21 21:22     ` Pieter Wuille
2015-01-21 20:27 ` Andrew Poelstra
2015-01-21 22:57 ` Dave Collins
2015-01-22  0:32 ` Rusty Russell
2015-01-22  3:12   ` David Vorick
2015-01-22  4:18   ` Matt Whitlock
2015-01-22  4:20     ` Pieter Wuille
2015-01-25 14:34   ` Pieter Wuille
2015-01-25 14:48     ` Gregory Maxwell
2015-02-03  0:44       ` Pieter Wuille
2015-02-03  2:21         ` Gregory Maxwell
2015-02-03 12:00         ` Wladimir
2015-02-03 14:30           ` Alex Morcos
2015-02-03 18:15           ` Pieter Wuille
2015-02-03 18:19             ` Gavin Andresen
2015-02-03 19:22               ` Jeff Garzik
2015-02-03 23:38             ` Pieter Wuille
2015-01-22 22:41 ` Zooko Wilcox-OHearn
2015-01-25 16:57   ` Pieter Wuille
2015-01-26  5:14 ` Pieter Wuille
2015-01-26 18:35   ` Gregory Maxwell
2015-01-28  6:24     ` Wladimir
2015-02-06 21:38     ` Pieter Wuille

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20150121191053.GB8403@muck \
    --to=pete@petertodd$(echo .)org \
    --cc=bitcoin-development@lists$(echo .)sourceforge.net \
    --cc=gmaxwell@gmail$(echo .)com \
    --cc=pieter.wuille@gmail$(echo .)com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox