Using an RSA GnuPG key for RSA ?

[vedaal at nym.hush.com]

On Monday, April 07, 2014 at 1:39 AM, "Daniel Kahn Gillmor" <dkg at fifthhorseman.net> wrote:
>
>On 04/02/2014 01:55 PM, vedaal at nym.hush.com wrote:
>> Is it possible to generate an RSA key in GnuPG, and then use it 
>(not in GnuPG, but in other systems using RSA keys), to encrypt 
>and decrypt RSA messages?
>
>i think you might be interested in openpgp2pem from the 
>monkeysphere
>package.
>
>> If so, what portion of the GnuPG generated RSA key functions as 
>a 'pure' RSA key?
>
>I don't think this question is actually the question you want to 
>ask.
>"pure" RSA is extremely limited, and a secret RSA key is usually 
>only
>used for either signing or decrypting symmetric session keys, 
>whether
>that's in TLS or OpenPGP or CMS or any other place where RSA is 
>used.
>
>	--dkg

=====

OK,  Thanks.

vedaal