Using an RSA GnuPG key for RSA ?

[Daniel Kahn Gillmor]

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


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