8192bit RSA keys

Manoj Srivastava srivasta at ieee.org
Fri Jul 10 05:52:07 CEST 2009


On Thu, Jul 09 2009, David Shaw wrote:

> On Jul 9, 2009, at 5:39 AM, Roscoe wrote:
>
>> On Thu, Jul 9, 2009 at 3:36 AM, David Shaw<dshaw at jabberwocky.com>
>> wrote:
>> ...
>>> If you're looking for a more immediate reason, though, note that if
>>> you make a RSA key larger than 2048 bits you can't use it with the
>>> spiffy new OpenPGP smartcard.

>> Oh, something I've been for. Any more info? :)
>
> http://shop.kernelconcepts.de/product_info.php?cPath=1_26&products_id=42

        According to that page, it supports 3072 bit keys (which I
 understand is perhaps overkill).

> They say they have the new cards in stock now.

        I just bought one :-)

        I have a 4096 bit RSA key -- can I create 2048 or 3072 bit
 subkeys and only copy these keys to the card? Or will the fact that the
 primary key is 4096 bits stymie the operation?

        manoj
-- 
Everything is for sale; only the price is negotiable.
Manoj Srivastava <srivasta at acm.org> <http://www.golden-gryphon.com/>  
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