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
|
Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191]
helo=mx.sourceforge.net)
by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76)
(envelope-from <gmaxwell@gmail.com>) id 1QdqEb-0004U6-D2
for bitcoin-development@lists.sourceforge.net;
Mon, 04 Jul 2011 20:59:13 +0000
Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com
designates 209.85.216.175 as permitted sender)
client-ip=209.85.216.175; envelope-from=gmaxwell@gmail.com;
helo=mail-qy0-f175.google.com;
Received: from mail-qy0-f175.google.com ([209.85.216.175])
by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128)
(Exim 4.76) id 1QdqEa-0004oD-Pi
for bitcoin-development@lists.sourceforge.net;
Mon, 04 Jul 2011 20:59:13 +0000
Received: by qyk30 with SMTP id 30so1250930qyk.13
for <bitcoin-development@lists.sourceforge.net>;
Mon, 04 Jul 2011 13:59:07 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.229.131.66 with SMTP id w2mr4731213qcs.254.1309813147201; Mon,
04 Jul 2011 13:59:07 -0700 (PDT)
Received: by 10.229.83.196 with HTTP; Mon, 4 Jul 2011 13:59:07 -0700 (PDT)
In-Reply-To: <CABsx9T31ZuQHKwcNnb9-NpaCA6c43PXVZ+Tc+GZ=2Wkz08enHw@mail.gmail.com>
References: <1309801974.3423.80.camel@Desktop666>
<CABsx9T31ZuQHKwcNnb9-NpaCA6c43PXVZ+Tc+GZ=2Wkz08enHw@mail.gmail.com>
Date: Mon, 4 Jul 2011 16:59:07 -0400
Message-ID: <CAAS2fgRQApH+ObyXpwV0bCEv7q7BNs6HtzcBOo6+mixCwY93cw@mail.gmail.com>
From: Gregory Maxwell <gmaxwell@gmail.com>
To: Gavin Andresen <gavinandresen@gmail.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
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
(gmaxwell[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: 1QdqEa-0004oD-Pi
Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] Encrypted Wallet Backward Compatibility
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: Mon, 04 Jul 2011 20:59:13 -0000
On Mon, Jul 4, 2011 at 2:23 PM, Gavin Andresen <gavinandresen@gmail.com> wr=
ote:
> 0.4 and later could, on wallet encryption, create a wallet_e.dat
> (encrypted wallet). =C2=A0Then truncate wallet.dat and set its
> file-permissions to 000, so if old versions of bitcoin OR any dumb
> wallet backup scripts try to read it they fail.
[snip]
Rewriting the old one before erasing it and replacing it with a
placeholder might increase the chances that the old unencrypted keying
material was not left on disk.
|
