Re: Problems decrypting a mail with my openpgp card

2006-05-18 Thread zvrba
-BEGIN PGP SIGNED MESSAGE- Hash: RIPEMD160 On Thu, May 18, 2006 at 09:27:10AM +0200, Werner Koch wrote: > > I can't remember whether the card checks for correct padding in > internal_authenticate. If it does not, you may indeed use it to > decrypt a message. > ok, i've just checked the v

Re: Problems decrypting a mail with my openpgp card

2006-05-18 Thread Werner Koch
[EMAIL PROTECTED] writes: > Why not? Authentication is the same as encryption with private key which > amounts to decryption of the original content ;) (modulo padding.) I think > that it should be possible to hack some program which would use I can't remember whether the card checks for correct

Re: Problems decrypting a mail with my openpgp card

2006-05-17 Thread zvrba
-BEGIN PGP SIGNED MESSAGE- Hash: RIPEMD160 On Wed, May 17, 2006 at 10:46:32AM -0400, David Shaw wrote: > > You basically can't, unless you have a copy of your authentication key > Why not? Authentication is the same as encryption with private key which amounts to decryption of the origin

Re: Problems decrypting a mail with my openpgp card

2006-05-17 Thread David Shaw
On Wed, May 17, 2006 at 04:07:30PM +0200, Michael Bienia wrote: > gpg --card-status lists the subkey 02CC2588 as my authentication key. I > created the keys in the order recommended by the subkey_howto on > www.fsfe.org: auth, sign, encrypt. > > How get I this mail decrypted? You basically can't

Problems decrypting a mail with my openpgp card

2006-05-17 Thread Michael Bienia
Hello, I've received an encrypted mail which I now have problems to decrypt it with my key on a openpgp card. The mail was encrypted for two recipients but I assume this has nothing to do with my problem. The output is (stripped the output about the second recipient): , | $ gpg --use-agent --