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gpg: Cache a once computed fingerprint in PKT_public_key.

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* g10/packet.h (PKT_public_key): Add fields fpr and fprlen.
* g10/keyid.c (do_fingerprint_md): Remove.
(compute_fingerprint): New.
(keyid_from_pk): Simplify.
(fingerprint_from_pk): Simplify.
(hexfingerprint): Avoid using extra array.
--

This is similar to what we are doing with the keyid for a long time.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-04-12 11:11:09 +02:00
parent 1b1f649dea
commit 60f3845921
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
2 changed files with 50 additions and 71 deletions
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3
g10/packet.h
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@ -394,6 +394,7 @@ typedef struct
byte pubkey_algo;
byte pubkey_usage; /* for now only used to pass it to getkey() */
byte req_usage; /* hack to pass a request to getkey() */
byte fprlen; /* 0 or length of FPR. */
u32 has_expired; /* set to the expiration date if expired */
/* keyid of the primary key. Never access this value directly.
Instead, use pk_main_keyid(). */
@ -401,6 +402,8 @@ typedef struct
/* keyid of this key. Never access this value directly! Instead,
use pk_keyid(). */
u32 keyid[2];
/* Fingerprint of the key. Only valid if FPRLEN is not 0. */
byte fpr[MAX_FINGERPRINT_LEN];
prefitem_t *prefs; /* list of preferences (may be NULL) */
struct
{