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Date: Tue, 4 Feb 2014 08:03:13 -0500
From: Peter Todd <pete@petertodd.org>
To: Mike Hearn <mike@plan99.net>
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Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] bitcoinj 0.11 released, with p2sh,
bip39 and payment protocol support
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On Tue, Feb 04, 2014 at 01:01:12PM +0100, Mike Hearn wrote:
> Hello,
>=20
> I'm pleased to announce the release of bitcoinj 0.11, a library for writi=
ng Bitcoin applications that run on the JVM. BitcoinJ is widely used across=
the Bitcoin community; some users include Bitcoin Wallet for Android, Mult=
iBit, Hive, blockchain.info, the biteasy.com block explorer (written in Lis=
p!), Circle, Neo/Bee (Cypriot payment network), bitpos.me, Bitcoin Touch, B=
lueMatt's relay network and DNS crawler, academic advanced contracts resear=
ch and more.
>=20
> The release-0.11 git tag is signed by Andreas Schildbach's GPG key. The c=
ommit hash is 410d4547a7dd. This paragraph is signed by the same Bitcoin ke=
y as with previous releases (check their release announcements to establish=
continuity). Additionally, this email is signed using DKIM and for the fir=
st time, a key that was ID verified by the Swiss government.
>=20
> Key: 16vSNFP5Acsa6RBbjEA7QYCCRDRGXRFH4m
> Signature for last paragraph: H3DvWBqFHPxKW/cdYUdZ6OHjbq6ZtC5PHK4ebpeiE+F=
qTHyRLJ58BItbC0R2vo77h+DthpQigdEZ0V8ivSM7VIg=3D
The above makes for a great homework problem for budding cryptographers:
Why did the three forms of signature, DKIM, long-lived bitcoin address,
and Official Swiss Government Identity fail to let you actually verify
you have the right code? (but make for great security theater)
Bonus question: Who has the smallest work-factor for such an attack?
Two rewards of 25mBTC for correct responses to each question from a
crypto newbie.
> Thanks to Mike Belshe, the wallet can now send to P2SH addresses.
Thanks
> Generated signatures now use canonical S values. This will aid a future h=
ard-forking rule change which bans malleable signatures.
Soft-forking rule change.
--=20
'peter'[:-1]@petertodd.org
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