how to validate keys on smartcard (only) on an other PC or on a news OS installation

[Michel Messerschmidt]

On Fri, Aug 21, 2009 at 03:39:34PM +0200, tux.tsndcb at free.fr wrote:
> So how can I do that (import key, when I've only keys on smartcard, no public key on keyserver or on file and no file private and secret keys backup.

AFAIK the smartcard contains only your secret keys not the public keys. 
That's what the URL entry on the smartcard is for.
If you set the URL to a location where your public key is stored, you 
can import your public key on other systems using 
"gpg2 --card-edit" -> "fetch"
If you don't set an URL on the smartcard, gpg will search your default 
keyservers instead.

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