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08ff55bd44
* kbx/keybox-init.c (ll_buffer_size): New var intialized to 128k
(stream_buffers): New var.
(keybox_set_buffersize): New.
(_keybox_ll_open, _keybox_ll_close): Implement buffering.
* sm/gpgsm.c (oKbxBufferSize): New.
(opts): Add option --kbx-buffer-size.
(main): Call keybox_set_buffersize.
* g10/gpg.c: Include keybox.h.
* (oKbxBufferSize): New.
(opts): Add option --kbx-buffer-size.
(main): Call keybox_set_buffersize.
--
Running a test on Windows using a pubring.kbx with
Total number of blobs: 2098
openpgp: 1294
x509: 803
and a size of 42MiB with
gpgsm -k --with-validation --disable-dirmngr --kbx-buffer-size N >nul
gives these performance figures using procmon
| N(k) | file events | time(s) |
|------+-------------+---------|
| 0 | 4900000 | 86 |
| 16 | 2456000 | 58 |
| 32 | 1233000 | 43 |
| 64 | 622000 | 37 |
| 128 | 317000 | 32 |
| 256 | 164000 | 31 |
| 512 | 88000 | 30 |
Using _open instead of CreateFile give the same number of file events
but increased the time slight by one second for the measured buffer
size of 64k and 128k. Benchmarks for gpg have not been conducted.
143 lines
4.7 KiB
C
143 lines
4.7 KiB
C
/* keybox.h - Keybox operations
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* Copyright (C) 2001, 2003, 2012 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef KEYBOX_H
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#define KEYBOX_H 1
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#ifdef __cplusplus
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extern "C" {
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#if 0
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}
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#endif
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#endif
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#include "../common/iobuf.h"
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#include "keybox-search-desc.h"
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#ifdef KEYBOX_WITH_X509
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# include <ksba.h>
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#endif
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typedef struct keybox_handle *KEYBOX_HANDLE;
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typedef enum
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{
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KEYBOX_FLAG_BLOB, /* The blob flags. */
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KEYBOX_FLAG_VALIDITY, /* The validity of the entire key. */
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KEYBOX_FLAG_OWNERTRUST, /* The assigned ownertrust. */
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KEYBOX_FLAG_KEY, /* The key flags; requires a key index. */
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KEYBOX_FLAG_UID, /* The user ID flags; requires an uid index. */
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KEYBOX_FLAG_UID_VALIDITY,/* The validity of a specific uid, requires
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an uid index. */
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KEYBOX_FLAG_CREATED_AT, /* The date the block was created. */
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KEYBOX_FLAG_SIG_INFO, /* The signature info block. */
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} keybox_flag_t;
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/* Flag values used with KEYBOX_FLAG_BLOB. */
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#define KEYBOX_FLAG_BLOB_SECRET 1
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#define KEYBOX_FLAG_BLOB_EPHEMERAL 2
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/* The keybox blob types. */
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typedef enum
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{
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KEYBOX_BLOBTYPE_EMPTY = 0,
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KEYBOX_BLOBTYPE_HEADER = 1,
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KEYBOX_BLOBTYPE_PGP = 2,
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KEYBOX_BLOBTYPE_X509 = 3
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} keybox_blobtype_t;
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/*-- keybox-init.c --*/
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gpg_error_t keybox_register_file (const char *fname, int secret,
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void **r_token);
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void keybox_set_buffersize (unsigned int kbytes, int reserved);
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int keybox_is_writable (void *token);
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KEYBOX_HANDLE keybox_new_openpgp (void *token, int secret);
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KEYBOX_HANDLE keybox_new_x509 (void *token, int secret);
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void keybox_release (KEYBOX_HANDLE hd);
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void keybox_push_found_state (KEYBOX_HANDLE hd);
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void keybox_pop_found_state (KEYBOX_HANDLE hd);
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const char *keybox_get_resource_name (KEYBOX_HANDLE hd);
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int keybox_set_ephemeral (KEYBOX_HANDLE hd, int yes);
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gpg_error_t keybox_lock (KEYBOX_HANDLE hd, int yes, long timeout);
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/*-- keybox-file.c --*/
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/* Fixme: This function does not belong here: Provide a better
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interface to create a new keybox file. */
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gpg_error_t _keybox_write_header_blob (estream_t fp, int openpgp_flag);
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/*-- keybox-search.c --*/
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gpg_error_t keybox_get_data (KEYBOX_HANDLE hd,
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void **r_buffer, size_t *r_length,
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enum pubkey_types *r_pubkey_type,
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unsigned char *r_ubid);
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gpg_error_t keybox_get_keyblock (KEYBOX_HANDLE hd, iobuf_t *r_iobuf,
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int *r_pk_no, int *r_uid_no);
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#ifdef KEYBOX_WITH_X509
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int keybox_get_cert (KEYBOX_HANDLE hd, ksba_cert_t *ret_cert);
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#endif /*KEYBOX_WITH_X509*/
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int keybox_get_flags (KEYBOX_HANDLE hd, int what, int idx, unsigned int *value);
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gpg_error_t keybox_search_reset (KEYBOX_HANDLE hd);
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gpg_error_t keybox_search (KEYBOX_HANDLE hd,
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KEYBOX_SEARCH_DESC *desc, size_t ndesc,
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keybox_blobtype_t want_blobtype,
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size_t *r_descindex, unsigned long *r_skipped);
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off_t keybox_offset (KEYBOX_HANDLE hd);
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gpg_error_t keybox_seek (KEYBOX_HANDLE hd, off_t offset);
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/*-- keybox-update.c --*/
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gpg_error_t keybox_insert_keyblock (KEYBOX_HANDLE hd,
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const void *image, size_t imagelen);
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gpg_error_t keybox_update_keyblock (KEYBOX_HANDLE hd,
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const void *image, size_t imagelen);
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#ifdef KEYBOX_WITH_X509
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int keybox_insert_cert (KEYBOX_HANDLE hd, ksba_cert_t cert,
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unsigned char *sha1_digest);
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int keybox_update_cert (KEYBOX_HANDLE hd, ksba_cert_t cert,
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unsigned char *sha1_digest);
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#endif /*KEYBOX_WITH_X509*/
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int keybox_set_flags (KEYBOX_HANDLE hd, int what, int idx, unsigned int value);
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int keybox_delete (KEYBOX_HANDLE hd);
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int keybox_compress (KEYBOX_HANDLE hd);
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/*-- --*/
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#if 0
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int keybox_locate_writable (KEYBOX_HANDLE hd);
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int keybox_rebuild_cache (void *);
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#endif
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/*-- keybox-util.c --*/
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gpg_error_t keybox_tmp_names (const char *filename, int for_keyring,
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char **r_bakname, char **r_tmpname);
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#ifdef __cplusplus
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}
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#endif
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#endif /*KEYBOX_H*/
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