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?

Everything is for sale; only the price is negotiable.
Manoj Srivastava <srivasta at acm.org> <http://www.golden-gryphon.com/>  
1024D/BF24424C print 4966 F272 D093 B493 410B  924B 21BA DABB BF24 424C

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