[Bitcoin-development] Hardware BitCoin wallet as part of Google Summer of Code

2013-04-29 Thread Crypto Stick
Crypto Stick is an open source USB key for encryption and secure
authentication.
We have been accepted as a mentor organization for Google
Summer of Code (GSOC) 2013. One of our project ideas is to develop a
physical BitCoin wallet according to
https://en.bitcoin.it/wiki/Smart_card_wallet

If you are a student interested in working on that idea - this is for you.
You can apply for a project with us and if accepted our mentors will
work with you over
the summer and Google will sponsor you USD 5000 during that time.
Please check out our ideas page at
https://www.assembla.com/spaces/cryptostick/wiki/Ideas or suggest your
own idea. And, join our mailinglist to discuss it:
https://lists.crypto-stick.org/mailman/listinfo/dev
Your applications should be submitted through Google Melange
(https://google-melange.com) until 3rd May!

You can continue to submit additional information and comments into
the system after your initial application submission.

In order to participate in the program, you must be a student in an
accredited institution or university.

Links:
* Crypto Stick project: http://crypto-stick.org
* Ideas Page: https://www.assembla.com/spaces/cryptostick/wiki/Ideas
* GSOC Progam FQ:
https://google-melange.appspot.com/gsoc/document/show/gsoc_program/google/gsoc2013/help_page
* Crypto Stick Mailing List:
https://lists.crypto-stick.org/mailman/listinfo/dev

Regards,
Jan

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Re: [Bitcoin-development] Hardware BitCoin wallet as part of Google Summer of Code

2013-04-29 Thread Peter Todd
On Mon, Apr 29, 2013 at 10:30:47PM +0800, Crypto Stick wrote:
 Crypto Stick is an open source USB key for encryption and secure
 authentication.
 We have been accepted as a mentor organization for Google
 Summer of Code (GSOC) 2013. One of our project ideas is to develop a
 physical BitCoin wallet according to
 https://en.bitcoin.it/wiki/Smart_card_wallet

A word of caution: hardware Bitcoin wallets really do need some type of
display so the wallet itself can tell you where the coins it is signing
are being sent, and that in turn implies support for the upcoming
payment protocol so the wallet can also verify that the address is
actually the address of the recipient the user is intending to send
funds too. The current Crypto Stick hardware doesn't even have a button
for user interaction. (press n times to approve an n-BTC spend)

Having said that PGP smart cards and USB keys already have that problem,
but the consequences of signing the wrong document are usually less than
the consequences of sending some or even all of the users funds to a
thief. You can usually revoke a bad signature after the fact with a
follow-up message.

Not to say hardware security for private keys isn't a bad thing, but the
protections are a lot more limited than users typically realize.


I will say though I am excited that this implies that the Crypto Stick
could have ECC key support in the future.

-- 
'peter'[:-1]@petertodd.org


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Re: [Bitcoin-development] Hardware BitCoin wallet as part of Google Summer of Code

2013-04-29 Thread Michael Gronager
Are you familiar with this:

http://code.google.com/p/opencryptotoken/

It does ecc and as it is based on an atmel micro controller, adding a display 
is pretty straight forward  

Michael 

On 29/04/2013, at 18.28, Peter Todd p...@petertodd.org wrote:

 On Mon, Apr 29, 2013 at 10:30:47PM +0800, Crypto Stick wrote:
 Crypto Stick is an open source USB key for encryption and secure
 authentication.
 We have been accepted as a mentor organization for Google
 Summer of Code (GSOC) 2013. One of our project ideas is to develop a
 physical BitCoin wallet according to
 https://en.bitcoin.it/wiki/Smart_card_wallet
 
 A word of caution: hardware Bitcoin wallets really do need some type of
 display so the wallet itself can tell you where the coins it is signing
 are being sent, and that in turn implies support for the upcoming
 payment protocol so the wallet can also verify that the address is
 actually the address of the recipient the user is intending to send
 funds too. The current Crypto Stick hardware doesn't even have a button
 for user interaction. (press n times to approve an n-BTC spend)
 
 Having said that PGP smart cards and USB keys already have that problem,
 but the consequences of signing the wrong document are usually less than
 the consequences of sending some or even all of the users funds to a
 thief. You can usually revoke a bad signature after the fact with a
 follow-up message.
 
 Not to say hardware security for private keys isn't a bad thing, but the
 protections are a lot more limited than users typically realize.
 
 
 I will say though I am excited that this implies that the Crypto Stick
 could have ECC key support in the future.
 
 -- 
 'peter'[:-1]@petertodd.org
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 browser, app,  servers with just a few lines of code. Try New Relic
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