kbx: Add support for 32 byte fingerprints.

* common/userids.c (classify_user_id): Support 32 byte fingerprints.
* kbx/keybox-search-desc.h (KEYDB_SEARCH_MODE_FPR32): New.
(struct keydb_search_desc): Add field fprlen.
* kbx/keybox-defs.h (struct _keybox_openpgp_key_info): Add field
version and increase size of fpr to 32.
* kbx/keybox-blob.c: Define new version 2 for PGP and X509 blobs.
(struct keyboxblob_key): Add field fprlen and increase size of fpr.
(pgp_create_key_part_single): Allow larger fingerprints.
(create_blob_header): Implement blob version 2 and add arg want_fpr32.
(_keybox_create_openpgp_blob): Detect the need for blob version 2.
* kbx/keybox-search.c (blob_get_first_keyid): Support 32 byte
fingerprints.
(blob_cmp_fpr): Ditto.
(blob_cmp_fpr_part): Ditto.
(has_fingerprint): Add arg fprlen and pass on.
(keybox_search): Support KEYDB_SEARCH_MODE_FPR32 and adjust for
changed has_fingerprint.
* kbx/keybox-openpgp.c (parse_key): Support version 5 keys.
* kbx/keybox-dump.c (_keybox_dump_blob): Support blob version 2.

* g10/delkey.c (do_delete_key): Support KEYDB_SEARCH_MODE_FPR32.
* g10/export.c (exact_subkey_match_p): Ditto.
* g10/gpg.c (main): Ditto.
* g10/getkey.c (get_pubkey_byfprint): Adjust for changed
KEYDB_SEARCH_MODE_FPR.
* g10/keydb.c (keydb_search_desc_dump): Support
KEYDB_SEARCH_MODE_FPR32 and adjust for changed KEYDB_SEARCH_MODE_FPR.
(keydb_search): Add new arg fprlen and change all callers.
* g10/keyedit.c (find_by_primary_fpr): Ditto.
* g10/keyid.c (keystr_from_desc): Ditto.
* g10/keyring.c (keyring_search): Ditto.
* g10/keyserver.c (print_keyrec): Ditto.
(parse_keyrec): Ditto.
(keyserver_export): Ditto.
(keyserver_retrieval_screener): Ditto.
(keyserver_import): Ditto.
(keyserver_import_fprint): Ditto.
(keyidlist): Ditto.
(keyserver_get_chunk): Ditto.

* g10/keydb.c (keydb_search): Add new arg fprlen and change all
callers.

* sm/keydb.c (keydb_search_fpr): Adjust for changed
KEYDB_SEARCH_MODE_FPR.
--

This prepares the support for OpenPGP v5 keys.  The new version 2 blob
format is needed for the longer fingerprints and we also use this
opportunity to prepare for storing the keygrip in the blob for faster
lookup by keygrip.  Right now this is not yet functional.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 4 insertions, 2 deletions

diff --git a/kbx/keybox-search-desc.h b/kbx/keybox-search-desc.h
index c75bfa4c7..cde1cf56f 100644
--- a/kbx/keybox-search-desc.h
+++ b/kbx/keybox-search-desc.h
@@ -38,7 +38,8 @@ typedef enum {
   KEYDB_SEARCH_MODE_LONG_KID,
   KEYDB_SEARCH_MODE_FPR16,
   KEYDB_SEARCH_MODE_FPR20,
-  KEYDB_SEARCH_MODE_FPR,
+  KEYDB_SEARCH_MODE_FPR32,
+  KEYDB_SEARCH_MODE_FPR,     /* (Length of fpr in .fprlen) */
   KEYDB_SEARCH_MODE_ISSUER,
   KEYDB_SEARCH_MODE_ISSUER_SN,
   KEYDB_SEARCH_MODE_SN,
@@ -49,7 +50,7 @@ typedef enum {
 } KeydbSearchMode;
 
 
-/* Forwward declaration.  See g10/packet.h.  */
+/* Forward declaration.  See g10/packet.h.  */
 struct gpg_pkt_user_id_s;
 typedef struct gpg_pkt_user_id_s *gpg_pkt_user_id_t;
 
@@ -73,6 +74,7 @@ struct keydb_search_desc
     u32 kid[2]; /* Note that this is in native endianness.  */
     unsigned char grip[20];
   } u;
+  byte fprlen;  /* Only used with KEYDB_SEARCH_MODE_FPR.  */
   int exact;    /* Use exactly this key ('!' suffix in gpg).  */
 };