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gpg: Add accessor & utility functions for pk->keyid and pk->main_keyid.

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* g10/keydb.h (keyid_cmp): New function.
* g10/keyid.c (pk_keyid): New function.
(pk_main_keyid): New function.
(keyid_copy): New function.
(pk_keyid_str): New function.
* g10/packet.h (PKT_public_key): Update comments for main_keyid and
keyid.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>

Before accessing pk->keyid, it is necessary to call keyid_from_pk (pk,
NULL) to ensure that pk->keyid is valid.  Because it is easy to forget
to do this, these accessor functions take care of it.
This commit is contained in:
Neal H. Walfield 2016-02-19 14:48:56 +01:00
parent 7e7f35a2d7
commit c45633a571
3 changed files with 94 additions and 3 deletions
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8
g10/packet.h
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@ -279,8 +279,12 @@ typedef struct
byte pubkey_usage; /* for now only used to pass it to getkey() */
byte req_usage; /* hack to pass a request to getkey() */
u32 has_expired; /* set to the expiration date if expired */
u32 main_keyid[2]; /* keyid of the primary key */
u32 keyid[2]; /* calculated by keyid_from_pk() */
/* keyid of the primary key. Never access this value directly.
Instead, use pk_main_keyid(). */
u32 main_keyid[2];
/* keyid of this key. Never access this value directly! Instead,
use pk_keyid(). */
u32 keyid[2];
prefitem_t *prefs; /* list of preferences (may be NULL) */
struct
{