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From: Andrew Poelstra <apoelstra@wpsoftware.net>
To: Pieter Wuille <pieter.wuille@gmail.com>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] [softfork proposal] Strict DER signatures
Date: Wed, 21 Jan 2015 12:27:37 -0800	[thread overview]
Message-ID: <20150121202736.GZ29138@shavo.vs.shawcable.net> (raw)
In-Reply-To: <CAPg+sBhk7F2OHT64i2LNSjv8DR5tD3RJkLJGzPGZW8OPQTCjQw@mail.gmail.com>

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I've read this and it looks A-OK to me.

Andrew



On Tue, Jan 20, 2015 at 07:35:49PM -0500, Pieter Wuille wrote:
> 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).
> 
> -- 
> Pieter
> 
> ------------------------------------------------------------------------------
> New Year. New Location. New Benefits. New Data Center in Ashburn, VA.
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> http://p.sf.net/sfu/gigenet
> _______________________________________________
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> Bitcoin-development@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
> 

-- 
Andrew Poelstra
Mathematics Department, University of Texas at Austin
Email: apoelstra at wpsoftware.net
Web:   http://www.wpsoftware.net/andrew

"If they had taught a class on how to be the kind of citizen Dick Cheney
 worries about, I would have finished high school."   --Edward Snowden


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  parent reply	other threads:[~2015-01-21 20:54 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-21  0:35 [Bitcoin-development] [softfork proposal] Strict DER signatures Pieter Wuille
2015-01-21  4:45 ` Rusty Russell
2015-01-21 16:49   ` Pieter Wuille
2015-01-21 19:10 ` Peter Todd
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 [this message]
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

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