int gnutls_openpgp_crt_get_auth_subkey(gnutls_openpgp_crt_t crt, gnutls_openpgp_keyid_t keyid, unsigned int flag);
ARGUMENTS
gnutls_openpgp_crt_t crt
the structure that contains the OpenPGP public key.
gnutls_openpgp_keyid_t keyid
the struct to save the keyid.
unsigned int flag
Non zero indicates that a valid subkey is always returned.
DESCRIPTION
Returns the 64-bit keyID of the first valid OpenPGP subkey marked
for authentication. If flag is non zero and no authentication
subkey exists, then a valid subkey will be returned even if it is
not marked for authentication.
Returns the 64-bit keyID of the first valid OpenPGP subkey marked
for authentication. If flag is non zero and no authentication
subkey exists, then a valid subkey will be returned even if it is
not marked for authentication.