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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
Return-Path: <eric@voskuil.org>
Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org
[172.17.192.35])
by mail.linuxfoundation.org (Postfix) with ESMTPS id BFA69258
for <bitcoin-dev@lists.linuxfoundation.org>;
Tue, 28 Jun 2016 07:17:35 +0000 (UTC)
X-Greylist: whitelisted by SQLgrey-1.7.6
Received: from mail-wm0-f44.google.com (mail-wm0-f44.google.com [74.125.82.44])
by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 03A8D146
for <bitcoin-dev@lists.linuxfoundation.org>;
Tue, 28 Jun 2016 07:17:34 +0000 (UTC)
Received: by mail-wm0-f44.google.com with SMTP id v199so126703934wmv.0
for <bitcoin-dev@lists.linuxfoundation.org>;
Tue, 28 Jun 2016 00:17:34 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=voskuil-org.20150623.gappssmtp.com; s=20150623;
h=from:content-transfer-encoding:mime-version:subject:message-id:date
:references:in-reply-to:to;
bh=3Veq63AexJ1jDQyNVce39VJNeOf9VUsD3BKepXRRwBI=;
b=OhzfL7ilu9iX6IN5wM+1ywNFF1RO3zwu9Qp9mdO3h5OG7UDQ+Tgl9SngQlNMOE9PgL
vn7aDGWeWMvW+bQQO0DudrXnedWxbEoBnH7rX3BdZp3wuszYM3/G3GdT+JVUmfZhIgT0
rt76dfSJDMSj68IFd4qYjquiJhZBsOj4L+LVLcNY/vBaSj/uxTJNzvbaqlxzxMJxEfvs
ThjuI0My7zKThpZteS8KV2YBlR7bKen5z5TegudCcUxwooudfIQl3UV3l4WRW7ZSOK4y
mLADHj7g5P1ViBn/CA+WLF1OmC7KNnoXtPNUDw78tIUlnKvHrcOi5EOZQiwVsYLXMa6D
Ht8Q==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20130820;
h=x-gm-message-state:from:content-transfer-encoding:mime-version
:subject:message-id:date:references:in-reply-to:to;
bh=3Veq63AexJ1jDQyNVce39VJNeOf9VUsD3BKepXRRwBI=;
b=WxX4bQUg2P2kBnTRd/kl+yJ/ZMH0Hy+UFPn1X0O5nB5F9+7pWwV6i/4XVw/SDahQJT
CV/agu2f+zn60b1ljaHgb6MpxlRryHNDgno2r0EQlZXpGVjHXJ+pgC1BwM0nnjslRDDH
Hvd4Vv62bOVgD7aKkRyI147azRlN6I1KQW6Kur6hbsOsG1X8ybKZDSmYoXXdZuYcK9mM
Qyw0lQR5LtpMSe9KKU81xs2o0KutDL8pQTLILUnCIFFNc0hLXfergVgvS+GsM+b3G+ay
BYrrhNr7iCJvIL/xw5FBCyfCEN/D2y1V/kNnLspqzEnUj7x14AXvQfe2dk94BpfjmOhs
U8gA==
X-Gm-Message-State: ALyK8tKhYAfhIq/Papz2Otl7kcNUrP84dVSRp3cUFiTaDsKTXXbI1MC2kldj5eJ0h3PLcg==
X-Received: by 10.194.172.102 with SMTP id bb6mr1518305wjc.151.1467098253310;
Tue, 28 Jun 2016 00:17:33 -0700 (PDT)
Received: from [10.114.7.23] ([41.33.219.249])
by smtp.gmail.com with ESMTPSA id
q203sm3543944wmd.24.2016.06.28.00.17.32
for <bitcoin-dev@lists.linuxfoundation.org>
(version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128);
Tue, 28 Jun 2016 00:17:32 -0700 (PDT)
From: Eric Voskuil <eric@voskuil.org>
Content-Type: text/plain;
charset=us-ascii
Content-Transfer-Encoding: quoted-printable
Mime-Version: 1.0 (1.0)
Message-Id: <1E86A00F-0609-4DBC-9543-94AE04CC13C9@voskuil.org>
Date: Tue, 28 Jun 2016 09:17:31 +0200
References: <87h9cecad5.fsf@rustcorp.com.au>
In-Reply-To: <87h9cecad5.fsf@rustcorp.com.au>
To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
X-Mailer: iPhone Mail (13F69)
X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,
DKIM_VALID, MIME_QP_LONG_LINE,
RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on
smtp1.linux-foundation.org
Subject: [bitcoin-dev] BIP 151
X-BeenThere: bitcoin-dev@lists.linuxfoundation.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org>
List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>,
<mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe>
List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/>
List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org>
List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help>
List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>,
<mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe>
X-List-Received-Date: Tue, 28 Jun 2016 07:17:35 -0000
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
I haven't seen much discussion here on the rationale behind BIP 151. Apologi=
es if I missed it. I'm trying to understand why libbitcoin (or any node) wou=
ld want to support it.
I understand the use, when coupled with a yet-to-be-devised identity system,=
with Bloom filter features. Yet these features are client-server in nature.=
Libbitcoin (for example) supports client-server features on an independent p=
ort (and implements a variant of CurveCP for encryption and identity). My co=
ncern arises with application of identity to the P2P protocol (excluding Blo=
om filter features).
It seems to me that the desire to secure against the weaknesses of BF is bei=
ng casually generalized to the P2P network. That generalization may actually=
weaken the security of the P2P protocol. One might consider the proper reso=
lution is to move the BF features to a client-server protocol.
The BIP does not make a case for other scenarios, or contemplate the signifi=
cant problems associated with key distribution in any identity system. Given=
that the BIP relies on identity, these considerations should be fully vette=
d before heading down another blind alley.
e
-----BEGIN PGP SIGNATURE-----
Version: oPenGP 6.0 on iOS
iQEVAwUBV3IkYjzYwH8LXOFOAQg+iggAkFShi/ibZXiVv3A3z1a1SMd+4ar0kiZk
mCkBBZaatoW8tXVZmuv5xzLnj3ali9Y4jp/3h2nUJ1B4ov2kcB0kZIKE/a1DTFwb
4X3uSzgu0lEAqSZormOvt7Op46NPn6KJ+/wTtP4lUFU72lSd7qrVKMlCVc88VE7/
pMloKSc69nAeFIkyWbOUi/zDzefu/5tarfif85jumooYjPmAwJnkgiPCqpqBbuga
5lBdS1r47KK+SaDFl6Cbn4i/c6tBPLTnu+TR7TEKOW5vwVA7eUqb6SOK7pETWJGK
0Ii4ZWYt7MOPSEda381CMjWEwtsCNp0eI4GPZAAz+jNLo4G1+PAbaw=3D=3D
=3DBalw
-----END PGP SIGNATURE-----
|