Finally: Login via SSH authentication with OpenPGP smart card & 100% Free Software PCMCIA reader

Alon Bar-Lev alon.barlev at
Mon Feb 13 12:04:24 CET 2006

Georg C. F. Greve wrote:
> * Remote SSH logins with crypto card authentication
> Problem two was to do remote logins via SSH with authentication
> through the smart card. There was a problem with the gpg-agent that
> did not do PIN caching, and thus was somewhat annoying to use in real
> life. Werner just addressed this problem, and now it works rather
> flawlessly.
> The gpg-agent replaces the ssh-agent for authentication, and it is
> possible to do remote securely authenticated OpenSSH logins. You can
> find information here:

Are you aware of the PKCS#11 for OpenSSH solution

PKCS#11 is a standard interface to access cryptographic
tokens, the OpenSSH patch support the use of any PKCS#11
provider with OpenSSH.

I just hope that someday OpenPGP card will also have PKCS#11
provider, so it can be used by other applications, and the
other way around... gpg will use PKCS#11 providers in order
to support many card types.

Best Regards,
Alon Bar-Lev.

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