Is it possible to certify (sign) a key using a subkey?

Mario Castelán Castro marioxcc.MT at
Thu Aug 17 14:42:06 CEST 2017

No, it does not have the certify capability. How can I enable this

If I add a subkey with  “--expert --edit-key” no option is given to
enable certify capability (as mentioned in my previous message), only
sign and authenticate in the case of ECC keys and sign, authenticate and
encrypt in the case of RSA keys.

This is version 2.1.18 of GNU PG as shipped by Debian 9.


On 16/08/17 23:17, Robert J. Hansen wrote:
> [[elided]]
> Does the subkey have the certify capability on it?  If the subkey isn't
> marked for certifying, it can't be used to certify.

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