[Bitcoin-development] bitcoinj 0.11 released, with p2sh, bip39 and payment protocol support
mike at plan99.net
Tue Feb 4 13:13:12 UTC 2014
Hah, good point. If nobody completes the homework, I'll post a fixed
version tomorrow :)
On Tue, Feb 4, 2014 at 2:03 PM, Peter Todd <pete at petertodd.org> wrote:
> On Tue, Feb 04, 2014 at 01:01:12PM +0100, Mike Hearn wrote:
> > Hello,
> > I'm pleased to announce the release of bitcoinj 0.11, a library for
> writing Bitcoin applications that run on the JVM. BitcoinJ is widely used
> across the Bitcoin community; some users include Bitcoin Wallet for
> Android, MultiBit, Hive, blockchain.info, the biteasy.com block explorer
> (written in Lisp!), Circle, Neo/Bee (Cypriot payment network), bitpos.me,
> Bitcoin Touch, BlueMatt's relay network and DNS crawler, academic advanced
> contracts research and more.
> > The release-0.11 git tag is signed by Andreas Schildbach's GPG key. The
> commit hash is 410d4547a7dd. This paragraph is signed by the same Bitcoin
> key as with previous releases (check their release announcements to
> establish continuity). Additionally, this email is signed using DKIM and
> for the first time, a key that was ID verified by the Swiss government.
> > Key: 16vSNFP5Acsa6RBbjEA7QYCCRDRGXRFH4m
> > Signature for last paragraph:
> 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.
> > Generated signatures now use canonical S values. This will aid a future
> hard-forking rule change which bans malleable signatures.
> Soft-forking rule change.
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