* keydb.c (keydb_insert_cert): Do not lock here, but only check if
it is locked.
(keydb_store_cert): Lock here.
* keydb.h (keydb_delete): Accept new argument UNLOCK.
* keydb.c (keydb_delete): Likewise. Only unlock if this is set.
* delete.c (delete_one): Add new argument to invocation of
keydb_delete.
char * vs. unsigned char * warnings. The GNU coding standards used to
say that these mismatches are okay and better than a bunch of casts.
Obviously this has changed now.
* keybox-search.c (get_flag_from_image, keybox_get_flags): New.
(_keybox_get_flag_location): New.
* certchain.c (gpgsm_validate_chain): Mark revoked certs in the
keybox.
* keylist.c (list_cert_colon): New arg VALIDITY; use it to print a
revoked flag.
(list_internal_keys): Retrieve validity flag.
(list_external_cb): Pass 0 as validity flag.
* keydb.c (keydb_get_flags, keydb_set_flags): New.
(keydb_set_cert_flags): New.
(lock_all): Return a proper error code.
(keydb_lock): New.
(keydb_delete): Don't lock but check that it has been locked.
(keydb_update_keyblock): Ditto.
* delete.c (delete_one): Take a lock.
* gpgsm.c: Made --delete-key work.
* server.c (cmd_delkeys): New.
(register_commands): New command DELKEYS.
* decrypt.c (gpgsm_decrypt): Print a convenience note when RC2 is
used and a STATUS_ERROR with the algorithm oid.
