2 * @file libcryptsetup.h
3 * @brief Public cryptsetup API
5 * For more verbose examples of LUKS related use cases,
6 * please read @ref index "examples".
9 #ifndef _LIBCRYPTSETUP_H
10 #define _LIBCRYPTSETUP_H
17 struct crypt_device; /* crypt device handle */
20 * Initialize crypt device handle and check if provided device exists.
22 * @param cd Returns pointer to crypt device handle
23 * @param device Path to the backing device.
24 * If @e device is not a block device but a path to some file,
25 * the function will try to create a loopdevice and attach
26 * the file to the loopdevice with AUTOCLEAR flag set.
27 * If @e device is @e NULL function it will initialize dm backend only.
29 * @return @e 0 on success or negative errno value otherwise.
31 * @note Note that logging is not initialized here, possible messages uses
32 * default log function.
34 int crypt_init(struct crypt_device **cd, const char *device);
37 * Initialize crypt device handle from provided active device name,
38 * and, optionally, from separate metadata (header) device
39 * and check if provided device exists.
41 * @return @e 0 on success or negative errno value otherwise.
43 * @param cd returns crypt device handle for active device
44 * @param name name of active crypt device
45 * @param header_device optional device containing on-disk header
46 * (@e NULL if it the same as underlying device on there is no on-disk header)
48 * @post In case @e device points to active LUKS device but header load fails,
49 * context device type is set to @e NULL and @e 0 is returned as if it were successful.
50 * Context with @e NULL device type can only be deactivated by crypt_deactivate
52 * @note @link crypt_init_by_name @endlink is equivalent to calling
53 * crypt_init_by_name_and_header(cd, name, NULL);
55 int crypt_init_by_name_and_header(struct crypt_device **cd,
57 const char *header_device);
60 * This is equivalent to call
61 * @ref crypt_init_by_name_and_header "crypt_init_by_name_and_header(cd, name, NULL)"
63 * @sa crypt_init_by_name_and_header
65 int crypt_init_by_name(struct crypt_device **cd, const char *name);
68 * @defgroup loglevel "Cryptsetup logging"
70 * Set of functions and defines used in cryptsetup for
76 * @addtogroup loglevel
80 /** normal log level */
81 #define CRYPT_LOG_NORMAL 0
82 /** error log level */
83 #define CRYPT_LOG_ERROR 1
84 /** verbose log level */
85 #define CRYPT_LOG_VERBOSE 2
86 /** debug log level - always on stdout */
87 #define CRYPT_LOG_DEBUG -1
92 * @param cd crypt device handle (can be @e NULL to set default log function)
93 * @param log user defined log function reference
94 * @param usrptr provided identification in callback
95 * @param level log level below (debug messages can uses other levels)
96 * @param msg log message
98 void crypt_set_log_callback(struct crypt_device *cd,
99 void (*log)(int level, const char *msg, void *usrptr),
103 * Defines log function or use the default one otherwise.
105 * @see crypt_set_log_callback
107 * @param cd crypt device handle
108 * @param level log level
109 * @param msg log message
111 void crypt_log(struct crypt_device *cd, int level, const char *msg);
115 * Set confirmation callback (yes/no)
117 * If code need confirmation (like resetting uuid or restoring LUKS header from file)
118 * this function is called. If not defined, everything is confirmed.
120 * Callback function @e confirm should return @e 0 if operation is declined,
121 * other values mean accepted.
123 * @param cd crypt device handle
124 * @param confirm user defined confirm callback reference
125 * @param usrptr provided identification in callback
126 * @param msg Message for user to confirm
128 * @note Current version of cryptsetup API requires confirmation only when UUID is being changed
130 void crypt_set_confirm_callback(struct crypt_device *cd,
131 int (*confirm)(const char *msg, void *usrptr),
135 * Set password query callback.
137 * If code need @e _interactive_ query for password, this callback is called.
138 * If not defined, compiled-in default is called (uses terminal input).
140 * Callback should return length of password in buffer
141 * or negative errno value in case of error.
143 * @param cd crypt device handle
144 * @param password user defined password callback reference
145 * @param usrptr provided identification in callback
146 * @param msg Message for user
147 * @param buf buffer for password
148 * @param length size of buffer
150 * @note Note that if this function is defined, verify option is ignored
151 * (caller which provided callback is responsible for password verification)
152 * @note Only zero terminated passwords can be entered this way, for complex
153 * use API functions directly.
154 * @note Maximal length of password is limited to @e length @e - @e 1 (minimal 511 chars)
156 * @see Callback function is used in these call provided, that certain conditions are met:
157 * @li crypt_keyslot_add_by_passphrase
158 * @li crypt_activate_by_passphrase
159 * @li crypt_resume_by_passphrase
160 * @li crypt_resume_by_keyfile
161 * @li crypt_keyslot_add_by_keyfile
162 * @li crypt_keyslot_add_by_volume_key
165 void crypt_set_password_callback(struct crypt_device *cd,
166 int (*password)(const char *msg, char *buf, size_t length, void *usrptr),
170 * Set timeout for interactive password entry using default
173 * @param cd crypt device handle
174 * @param timeout_sec timeout in seconds
176 void crypt_set_timeout(struct crypt_device *cd, uint64_t timeout_sec);
179 * Set number of retries in case password input has been incorrect
181 * @param cd crypt device handle
182 * @param tries the number
184 void crypt_set_password_retry(struct crypt_device *cd, int tries);
187 * Set how long should cryptsetup iterate in PBKDF2 function.
188 * Default value heads towards the iterations which takes around 1 second
190 * @param cd crypt device handle
191 * @param iteration_time_ms the time in ms
193 void crypt_set_iteration_time(struct crypt_device *cd, uint64_t iteration_time_ms);
195 void crypt_set_iterarion_time(struct crypt_device *cd, uint64_t iteration_time_ms);
198 * Set whether passphrase will be verified on input
199 * (user has to input same passphrase twice)
201 * @param cd crypt device handle
202 * @param password_verify @e 0 = false, @e !0 true
204 void crypt_set_password_verify(struct crypt_device *cd, int password_verify);
207 * Set data device (encrypted payload area device) if LUKS header is separated
209 * @param cd crypt device handle
210 * @param device path to device
212 * @pre context is of LUKS type
213 * @pre unlike @ref crypt_init, in this function param @e device
214 * has to be block device (at least 512B large)
216 int crypt_set_data_device(struct crypt_device *cd, const char *device);
219 * @defgroup rng "Cryptsetup RNG"
226 /** CRYPT_RNG_URANDOM - use /dev/urandom */
227 #define CRYPT_RNG_URANDOM 0
228 /** CRYPT_RNG_RANDOM - use /dev/random (waits if no entropy in system) */
229 #define CRYPT_RNG_RANDOM 1
232 * Set which RNG (random number generator) is used for generating long term key
234 * @param cd crypt device handle
235 * @param rng_type kernel random number generator to use
238 void crypt_set_rng_type(struct crypt_device *cd, int rng_type);
241 * Get which RNG (random number generator) is used for generating long term key
243 * @param cd crypt device handle
244 * @return RNG type on success or negative errno value otherwise.
247 int crypt_get_rng_type(struct crypt_device *cd);
252 * Helper to lock/unlock memory to avoid swap sensitive data to disk
254 * @param cd crypt device handle, can be @e NULL
255 * @param lock 0 to unlock otherwise lock memory
257 * @returns Value indicating whether the memory is locked (function can be called multiple times).
259 * @note Only root can do this.
260 * @note It locks/unlocks all process memory, not only crypt context.
262 int crypt_memory_lock(struct crypt_device *cd, int lock);
265 * @defgroup crypt_type "Cryptsetup on-disk format types"
267 * Set of functions, \#defines and structs related
268 * to on-disk format types
272 * @addtogroup crypt_type
276 /** regular crypt device, no on-disk header */
277 #define CRYPT_PLAIN "PLAIN"
278 /** LUKS version 1 header on-disk */
279 #define CRYPT_LUKS1 "LUKS1"
280 /** loop-AES compatibility mode */
281 #define CRYPT_LOOPAES "LOOPAES"
286 * @param cd crypt device handle
287 * @return string according to device type or @e NULL if not known.
289 const char *crypt_get_type(struct crypt_device *cd);
293 * Structure used as parameter for PLAIN device type
297 struct crypt_params_plain {
298 const char *hash; /**< password hash function */
299 uint64_t offset; /**< offset in sectors */
300 uint64_t skip; /**< IV offset / initialization sector */
301 uint64_t size; /**< size of mapped device or @e 0 for autodetection */
305 * Structure used as parameter for LUKS device type
307 * @see crypt_format, crypt_load
309 * @note during crypt_format @e data_device attribute determines
310 * if the LUKS header is separated from encrypted payload device
313 struct crypt_params_luks1 {
314 const char *hash; /**< hash used in LUKS header */
315 size_t data_alignment; /**< data alignment in sectors, data offset is multiple of this */
316 const char *data_device; /**< detached encrypted data device or @e NULL */
321 * Structure used as parameter for loop-AES device type
326 struct crypt_params_loopaes {
327 const char *hash; /**< key hash function */
328 uint64_t offset; /**< offset in sectors */
329 uint64_t skip; /**< IV offset / initialization sector */
335 * Create (format) new crypt device (and possible header on-disk) but not activates it.
337 * @pre @e cd contains initialized and not formatted device context (device type must @b not be set)
339 * @param cd crypt device handle
340 * @param type type of device (optional params struct must be of this type)
341 * @param cipher (e.g. "aes")
342 * @param cipher_mode including IV specification (e.g. "xts-plain")
343 * @param uuid requested UUID or @e NULL if it should be generated
344 * @param volume_key pre-generated volume key or @e NULL if it should be generated (only for LUKS)
345 * @param volume_key_size size of volume key in bytes.
346 * @param params crypt type specific parameters (see @link crypt_type @endlink)
348 * @returns @e 0 on success or negative errno value otherwise.
350 * @note Note that crypt_format does not enable any keyslot (in case of work with LUKS device), but it stores volume key internally
351 * and subsequent crypt_keyslot_add_* calls can be used.
353 int crypt_format(struct crypt_device *cd,
356 const char *cipher_mode,
358 const char *volume_key,
359 size_t volume_key_size,
363 * Set new UUID for already existing device
365 * @param cd crypt device handle
366 * @param uuid requested UUID or @e NULL if it should be generated
368 * @returns 0 on success or negative errno value otherwise.
370 * @note Currently, only LUKS device type are supported
372 int crypt_set_uuid(struct crypt_device *cd,
376 * Load crypt device parameters from on-disk header
378 * @param cd crypt device handle
379 * @param requested_type - use @e NULL for all known
380 * @param params crypt type specific parameters (see @link crypt_type @endlink)
382 * @returns 0 on success or negative errno value otherwise.
384 * @post In case LUKS header is read successfully but payload device is too small
385 * error is returned and device type in context is set to @e NULL
387 * @note Note that in current version load works only for LUKS device type
390 int crypt_load(struct crypt_device *cd,
391 const char *requested_type,
395 * Resize crypt device
397 * @param cd - crypt device handle
398 * @param name - name of device to resize
399 * @param new_size - new device size in sectors or @e 0 to use all of the underlying device size
401 * @return @e 0 on success or negative errno value otherwise.
403 int crypt_resize(struct crypt_device *cd,
408 * Suspends crypt device.
410 * @param cd crypt device handle, can be @e NULL
411 * @param name name of device to suspend
413 * @return 0 on success or negative errno value otherwise.
415 * @note Only LUKS device type is supported
418 int crypt_suspend(struct crypt_device *cd,
422 * Resumes crypt device using passphrase.
425 * @param cd crypt device handle
426 * @param name name of device to resume
427 * @param keyslot requested keyslot or CRYPT_ANY_SLOT
428 * @param passphrase passphrase used to unlock volume key, @e NULL for query
429 * @param passphrase_size size of @e passphrase (binary data)
431 * @return unlocked key slot number or negative errno otherwise.
433 * @note Only LUKS device type is supported
435 int crypt_resume_by_passphrase(struct crypt_device *cd,
438 const char *passphrase,
439 size_t passphrase_size);
442 * Resumes crypt device using key file.
444 * @param cd crypt device handle
445 * @param name name of device to resume
446 * @param keyslot requested keyslot or CRYPT_ANY_SLOT
447 * @param keyfile key file used to unlock volume key, @e NULL for passphrase query
448 * @param keyfile_size number of bytes to read from keyfile, 0 is unlimited
449 * @param keyfile_offset number of bytes to skip at start of keyfile
451 * @return unlocked key slot number or negative errno otherwise.
453 int crypt_resume_by_keyfile_offset(struct crypt_device *cd,
458 size_t keyfile_offset);
460 * Backward compatible crypt_resume_by_keyfile_offset() (without offset).
462 int crypt_resume_by_keyfile(struct crypt_device *cd,
466 size_t keyfile_size);
469 * Releases crypt device context and used memory.
471 * @param cd crypt device handle
473 void crypt_free(struct crypt_device *cd);
476 * @defgroup keyslot "Cryptsetup LUKS keyslots"
477 * @addtogroup keyslot
482 /** iterate through all keyslots and find first one that fits */
483 #define CRYPT_ANY_SLOT -1
486 * Add key slot using provided passphrase
488 * @pre @e cd contains initialized and formatted LUKS device context
490 * @param cd crypt device handle
491 * @param keyslot requested keyslot or @e CRYPT_ANY_SLOT
492 * @param passphrase passphrase used to unlock volume key, @e NULL for query
493 * @param passphrase_size size of passphrase (binary data)
494 * @param new_passphrase passphrase for new keyslot, @e NULL for query
495 * @param new_passphrase_size size of @e new_passphrase (binary data)
497 * @return allocated key slot number or negative errno otherwise.
499 int crypt_keyslot_add_by_passphrase(struct crypt_device *cd,
501 const char *passphrase,
502 size_t passphrase_size,
503 const char *new_passphrase,
504 size_t new_passphrase_size);
507 * Get number of keyslots supported for device type.
509 * @param type crypt device type
511 * @return slot count or negative errno otherwise if device
512 * doesn't not support keyslots.
514 int crypt_keyslot_max(const char *type);
517 * Add key slot using provided key file path
519 * @pre @e cd contains initialized and formatted LUKS device context
521 * @param cd crypt device handle
522 * @param keyslot requested keyslot or @e CRYPT_ANY_SLOT
523 * @param keyfile key file used to unlock volume key, @e NULL for passphrase query
524 * @param keyfile_size number of bytes to read from keyfile, @e 0 is unlimited
525 * @param keyfile_offset number of bytes to skip at start of keyfile
526 * @param new_keyfile keyfile for new keyslot, @e NULL for passphrase query
527 * @param new_keyfile_size number of bytes to read from @e new_keyfile, @e 0 is unlimited
528 * @param new_keyfile_offset number of bytes to skip at start of new_keyfile
530 * @return allocated key slot number or negative errno otherwise.
532 * @note Note that @e keyfile can be "-" for STDIN
535 int crypt_keyslot_add_by_keyfile_offset(struct crypt_device *cd,
539 size_t keyfile_offset,
540 const char *new_keyfile,
541 size_t new_keyfile_size,
542 size_t new_keyfile_offset);
544 * Backward compatible crypt_keyslot_add_by_keyfile_offset() (without offset).
546 int crypt_keyslot_add_by_keyfile(struct crypt_device *cd,
550 const char *new_keyfile,
551 size_t new_keyfile_size);
554 * Add key slot using provided volume key
556 * @pre @e cd contains initialized and formatted LUKS device context
558 * @param cd crypt device handle
559 * @param keyslot requested keyslot or CRYPT_ANY_SLOT
560 * @param volume_key provided volume key or @e NULL if used after crypt_format
561 * @param volume_key_size size of volume_key
562 * @param passphrase passphrase for new keyslot, @e NULL for query
563 * @param passphrase_size size of passphrase
565 * @return allocated key slot number or negative errno otherwise.
568 int crypt_keyslot_add_by_volume_key(struct crypt_device *cd,
570 const char *volume_key,
571 size_t volume_key_size,
572 const char *passphrase,
573 size_t passphrase_size);
576 * Destroy (and disable) key slot
578 * @pre @e cd contains initialized and formatted LUKS device context
580 * @param cd crypt device handle
581 * @param keyslot requested key slot to destroy
583 * @return @e 0 on success or negative errno value otherwise.
585 * @note Note that there is no passphrase verification used.
587 int crypt_keyslot_destroy(struct crypt_device *cd, int keyslot);
592 * @defgroup aflags "Device runtime attributes"
600 /** device is read only */
601 #define CRYPT_ACTIVATE_READONLY (1 << 0)
602 /** only reported for device without uuid */
603 #define CRYPT_ACTIVATE_NO_UUID (1 << 1)
604 /** activate more non-overlapping mapping to the same device */
605 #define CRYPT_ACTIVATE_SHARED (1 << 2)
606 /** enable discards aka TRIM */
607 #define CRYPT_ACTIVATE_ALLOW_DISCARDS (1 << 3)
610 * Active device runtime attributes
612 struct crypt_active_device {
613 uint64_t offset; /**< offset in sectors */
614 uint64_t iv_offset; /**< IV initialization sector */
615 uint64_t size; /**< active device size */
616 uint32_t flags; /**< activation flags */
620 * Receives runtime attributes of active crypt device
622 * @param cd crypt device handle (can be @e NULL)
623 * @param name name of active device
624 * @param cad preallocated active device attributes to fill
626 * @return @e 0 on success or negative errno value otherwise
629 int crypt_get_active_device(struct crypt_device *cd,
631 struct crypt_active_device *cad);
636 * Activate device or check passphrase
638 * @param cd crypt device handle
639 * @param name name of device to create, if @e NULL only check passphrase
640 * @param keyslot requested keyslot to check or @e CRYPT_ANY_SLOT
641 * @param passphrase passphrase used to unlock volume key, @e NULL for query
642 * @param passphrase_size size of @e passphrase
643 * @param flags activation flags
645 * @return unlocked key slot number or negative errno otherwise.
647 int crypt_activate_by_passphrase(struct crypt_device *cd,
650 const char *passphrase,
651 size_t passphrase_size,
655 * Activate device or check using key file
657 * @param cd crypt device handle
658 * @param name name of device to create, if @e NULL only check keyfile
659 * @param keyslot requested keyslot to check or CRYPT_ANY_SLOT
660 * @param keyfile key file used to unlock volume key
661 * @param keyfile_size number of bytes to read from keyfile, 0 is unlimited
662 * @param keyfile_offset number of bytes to skip at start of keyfile
663 * @param flags activation flags
665 * @return unlocked key slot number or negative errno otherwise.
667 int crypt_activate_by_keyfile_offset(struct crypt_device *cd,
672 size_t keyfile_offset,
675 * Backward compatible crypt_activate_by_keyfile_offset() (without offset).
677 int crypt_activate_by_keyfile(struct crypt_device *cd,
685 * Activate device using provided volume key
688 * @param cd crypt device handle
689 * @param name name of device to create, if @e NULL only check volume key
690 * @param volume_key provided volume key (or @e NULL to use internal)
691 * @param volume_key_size size of volume_key
692 * @param flags activation flags
694 * @return @e 0 on success or negative errno value otherwise.
696 * @note If @e NULL is used for volume_key, device has to be initialized
697 * by previous operation (like @ref crypt_format
698 * or @ref crypt_init_by_name)
700 int crypt_activate_by_volume_key(struct crypt_device *cd,
702 const char *volume_key,
703 size_t volume_key_size,
707 * Deactivate crypt device. This function tries to remove active device-mapper
708 * mapping from kernel. Also, sensitive data like the volume key are removed from
711 * @param cd crypt device handle, can be @e NULL
712 * @param name name of device to deactivate
714 * @return @e 0 on success or negative errno value otherwise.
717 int crypt_deactivate(struct crypt_device *cd, const char *name);
720 * Get volume key from of crypt device
722 * @param cd crypt device handle
723 * @param keyslot use this keyslot or @e CRYPT_ANY_SLOT
724 * @param volume_key buffer for volume key
725 * @param volume_key_size on input, size of buffer @e volume_key,
726 * on output size of @e volume_key
727 * @param passphrase passphrase used to unlock volume key
728 * @param passphrase_size size of @e passphrase
730 * @return unlocked key slot number or negative errno otherwise.
732 int crypt_volume_key_get(struct crypt_device *cd,
735 size_t *volume_key_size,
736 const char *passphrase,
737 size_t passphrase_size);
740 * Verify that provided volume key is valid for crypt device
742 * @param cd crypt device handle
743 * @param volume_key provided volume key
744 * @param volume_key_size size of @e volume_key
746 * @return @e 0 on success or negative errno value otherwise.
748 int crypt_volume_key_verify(struct crypt_device *cd,
749 const char *volume_key,
750 size_t volume_key_size);
754 * @defgroup devstat "dmcrypt device status"
755 * @addtogroup devstat
763 CRYPT_INVALID, /**< device mapping is invalid in this context */
764 CRYPT_INACTIVE, /**< no such mapped device */
765 CRYPT_ACTIVE, /**< device is active */
766 CRYPT_BUSY /**< device is active and has open count > 0 */
770 * Get status info about device name
772 * @param cd crypt device handle, can be @e NULL
773 * @param name crypt device name
775 * @return value defined by crypt_status_info.
778 crypt_status_info crypt_status(struct crypt_device *cd, const char *name);
781 * Dump text-formatted information about crypt device to log output
783 * @param cd crypt device handle
785 * @return @e 0 on success or negative errno value otherwise.
787 int crypt_dump(struct crypt_device *cd);
790 * Get cipher used in device
792 * @param cd crypt device handle
794 * @return used cipher, e.g. "aes" or @e NULL otherwise
797 const char *crypt_get_cipher(struct crypt_device *cd);
800 * Get cipher mode used in device
802 * @param cd crypt device handle
804 * @return used cipher mode e.g. "xts-plain" or @e otherwise
807 const char *crypt_get_cipher_mode(struct crypt_device *cd);
812 * @param cd crypt device handle
814 * @return device UUID or @e NULL if not set
817 const char *crypt_get_uuid(struct crypt_device *cd);
820 * Get path to underlaying device
822 * @param cd crypt device handle
824 * @return path to underlaying device name
827 const char *crypt_get_device_name(struct crypt_device *cd);
830 * Get device offset in sectors where real data starts on underlying device)
832 * @param cd crypt device handle
834 * @return device offset in sectors
837 uint64_t crypt_get_data_offset(struct crypt_device *cd);
840 * Get IV offset in sectors (skip)
842 * @param cd crypt device handle
847 uint64_t crypt_get_iv_offset(struct crypt_device *cd);
850 * Get size (in bytes) of volume key for crypt device
852 * @param cd crypt device handle
854 * @return volume key size
857 int crypt_get_volume_key_size(struct crypt_device *cd);
860 * @addtogroup keyslot
869 CRYPT_SLOT_INVALID, /**< invalid keyslot */
870 CRYPT_SLOT_INACTIVE, /**< keyslot is inactive (free) */
871 CRYPT_SLOT_ACTIVE, /**< keyslot is active (used) */
872 CRYPT_SLOT_ACTIVE_LAST /**< keylost is active (used)
873 * and last used at the same time */
874 } crypt_keyslot_info;
877 * Get information about particular key slot
880 * @param cd crypt device handle
881 * @param keyslot requested keyslot to check or CRYPT_ANY_SLOT
883 * @return value defined by crypt_keyslot_info
886 crypt_keyslot_info crypt_keyslot_status(struct crypt_device *cd, int keyslot);
890 * Backup header and keyslots to file
892 * @param cd crypt device handle
893 * @param requested_type type of header to backup
894 * @param backup_file file to backup header to
896 * @return @e 0 on success or negative errno value otherwise.
899 int crypt_header_backup(struct crypt_device *cd,
900 const char *requested_type,
901 const char *backup_file);
904 * Restore header and keyslots from backup file
907 * @param cd crypt device handle
908 * @param requested_type type of header to restore
909 * @param backup_file file to restore header from
911 * @return @e 0 on success or negative errno value otherwise.
914 int crypt_header_restore(struct crypt_device *cd,
915 const char *requested_type,
916 const char *backup_file);
919 * Receives last reported error
921 * @param cd crypt device handle
922 * @param buf buffef for message
923 * @param size size of buffer
925 * @note Note that this is old API function using global context.
926 * All error messages are reported also through log callback.
928 void crypt_last_error(struct crypt_device *cd, char *buf, size_t size);
931 * Receives last reported error, DEPRECATED
933 * @param buf buffef for message
934 * @param size size of buffer
936 * @note Note that this is old API function using global context.
937 * All error messages are reported also through log callback.
939 void crypt_get_error(char *buf, size_t size);
942 * Get directory where mapped crypt devices are created
944 * @return the directory path
946 const char *crypt_get_dir(void);
949 * @defgroup dbg "Library debug level"
951 * Set library debug level
958 #define CRYPT_DEBUG_ALL -1
960 #define CRYPT_DEBUG_NONE 0
963 * Set the debug level for library
965 * @param level debug level
968 void crypt_set_debug_level(int level);
975 #endif /* _LIBCRYPTSETUP_H */