1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193]
helo=mx.sourceforge.net)
by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76)
(envelope-from <voisine@gmail.com>) id 1X8GFr-0006GC-GX
for bitcoin-development@lists.sourceforge.net;
Fri, 18 Jul 2014 22:03:51 +0000
Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of gmail.com
designates 209.85.219.43 as permitted sender)
client-ip=209.85.219.43; envelope-from=voisine@gmail.com;
helo=mail-oa0-f43.google.com;
Received: from mail-oa0-f43.google.com ([209.85.219.43])
by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128)
(Exim 4.76) id 1X8GFq-0002m8-Df
for bitcoin-development@lists.sourceforge.net;
Fri, 18 Jul 2014 22:03:51 +0000
Received: by mail-oa0-f43.google.com with SMTP id i7so4313272oag.16
for <bitcoin-development@lists.sourceforge.net>;
Fri, 18 Jul 2014 15:03:45 -0700 (PDT)
MIME-Version: 1.0
X-Received: by 10.182.236.225 with SMTP id ux1mr10936120obc.57.1405721024907;
Fri, 18 Jul 2014 15:03:44 -0700 (PDT)
Received: by 10.60.169.109 with HTTP; Fri, 18 Jul 2014 15:03:44 -0700 (PDT)
In-Reply-To: <CA+s+GJAd00ba7SzoUYeGvTOoHRiysXtYmx4Cnq8xQLXZx_VwyQ@mail.gmail.com>
References: <CAPg+sBiTURdRAZbyk3guF5YzAAQebo8yY_TuXHUKYDEdLjDUdQ@mail.gmail.com>
<CANEZrP3fA3gZ5u6yViBZpdTYxyFvZT=uOTDEnL797OueXf-16g@mail.gmail.com>
<CA+s+GJAd00ba7SzoUYeGvTOoHRiysXtYmx4Cnq8xQLXZx_VwyQ@mail.gmail.com>
Date: Fri, 18 Jul 2014 15:03:44 -0700
Message-ID: <CACq0ZD6BmTB_jwE9L0_zrWgVckb=LFL61fow1kuTSnjurbsq9A@mail.gmail.com>
From: Aaron Voisine <voisine@gmail.com>
To: Wladimir <laanwj@gmail.com>
Content-Type: text/plain; charset=UTF-8
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
(voisine[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: 1X8GFq-0002m8-Df
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Small update to BIP 62
X-BeenThere: bitcoin-development@lists.sourceforge.net
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: <bitcoin-development.lists.sourceforge.net>
List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>,
<mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe>
List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development>
List-Post: <mailto:bitcoin-development@lists.sourceforge.net>
List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help>
List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>,
<mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe>
X-List-Received-Date: Fri, 18 Jul 2014 22:03:51 -0000
> 9. New signatures by the sender
I'm not suggesting it be required, but it would be possible to
mitigate this one by requiring that all signatures deterministically
generate k per RFC6979. I'm using this in breadwallet.
Aaron Voisine
breadwallet.com
On Fri, Jul 18, 2014 at 1:56 PM, Wladimir <laanwj@gmail.com> wrote:
> On Fri, Jul 18, 2014 at 5:39 PM, Mike Hearn <mike@plan99.net> wrote:
>> The rationale doesn't seem to apply to rule #4, what's so special about that
>> one?
>
>> 4. Non-push operations in scriptSig Any non-push operation in a scriptSig invalidates it.
>
> Having non-push operations in the scriptSig is a source of
> malleability, as there can be multiple sequences of opcodes that
> evaluate to the same result.
>
> Wladimir
>
> ------------------------------------------------------------------------------
> Want fast and easy access to all the code in your enterprise? Index and
> search up to 200,000 lines of code with a free copy of Black Duck
> Code Sight - the same software that powers the world's largest code
> search on Ohloh, the Black Duck Open Hub! Try it now.
> http://p.sf.net/sfu/bds
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
|
