8 #include "libcryptsetup.h"
16 struct luks_masterkey *volume_key;
18 uint64_t iteration_time;
22 /* used in CRYPT_LUKS1 */
24 uint64_t PBKDF2_per_sec;
26 /* used in CRYPT_PLAIN */
27 struct crypt_params_plain plain_hdr;
29 char *plain_cipher_mode;
32 /* callbacks definitions */
33 void (*log)(int class, const char *msg, void *usrptr);
35 int (*confirm)(const char *msg, void *usrptr);
37 int (*password)(const char *msg, char *buf, size_t length, void *usrptr);
38 void *password_usrptr;
42 static void (*_default_log)(int class, const char *msg, void *usrptr) = NULL;
43 static int _debug_level = 0;
45 void crypt_set_debug_level(int level)
50 void crypt_log(struct crypt_device *cd, int class, const char *msg)
53 cd->log(class, msg, cd->log_usrptr);
54 else if (_default_log)
55 _default_log(class, msg, NULL);
58 void logger(struct crypt_device *cd, int class, const char *file,
59 int line, const char *format, ...)
64 va_start(argp, format);
66 if (vasprintf(&target, format, argp) > 0) {
68 crypt_log(cd, class, target);
70 } else if (_debug_level)
71 printf("# %s:%d %s\n", file ?: "?", line, target);
73 } else if (_debug_level)
74 printf("# %s\n", target);
83 * Password processing behaviour matrix of process_key
85 * from binary file: check if there is sufficently large key material
86 * interactive & from fd: hash if requested, otherwise crop or pad with '0'
88 static char *process_key(struct crypt_device *cd, const char *hash_name,
89 const char *key_file, size_t key_size,
90 const char *pass, size_t passLen)
92 char *key = safe_alloc(key_size);
93 memset(key, 0, key_size);
95 /* key is coming from binary file */
96 if (key_file && strcmp(key_file, "-")) {
97 if(passLen < key_size) {
98 log_err(cd, _("Cannot not read %d bytes from key file %s.\n"),
103 memcpy(key, pass, key_size);
107 /* key is coming from tty, fd or binary stdin */
109 if (hash(NULL, hash_name, key, key_size, pass, passLen) < 0) {
110 log_err(cd, _("Key processing error.\n"));
114 } else if (passLen > key_size) {
115 memcpy(key, pass, key_size);
117 memcpy(key, pass, passLen);
123 int parse_into_name_and_mode(const char *nameAndMode, char *name, char *mode)
125 /* Token content stringification, see info cpp/stringification */
127 #define xstr(s) str(s)
128 #define scanpattern1 "%" xstr(LUKS_CIPHERNAME_L) "[^-]-%" xstr(LUKS_CIPHERMODE_L) "s"
129 #define scanpattern2 "%" xstr(LUKS_CIPHERNAME_L) "[^-]"
133 if(sscanf(nameAndMode,scanpattern1, name, mode) != 2) {
134 if((r = sscanf(nameAndMode,scanpattern2,name)) == 1)
135 strncpy(mode,"cbc-plain",10);
148 static int isPLAIN(const char *type)
150 return (type && !strcmp(CRYPT_PLAIN, type));
153 static int isLUKS(const char *type)
155 return (type && !strcmp(CRYPT_LUKS1, type));
158 /* keyslot helpers */
159 static int keyslot_verify_or_find_empty(struct crypt_device *cd, int *keyslot)
161 if (*keyslot == CRYPT_ANY_SLOT) {
162 *keyslot = LUKS_keyslot_find_empty(&cd->hdr);
164 log_err(cd, _("All key slots full.\n"));
169 switch (LUKS_keyslot_info(&cd->hdr, *keyslot)) {
171 log_err(cd, _("Key slot %d is invalid, please select between 0 and %d.\n"),
172 *keyslot, LUKS_NUMKEYS - 1);
177 log_err(cd, _("Key slot %d is full, please select another one.\n"),
185 static int verify_other_keyslot(struct crypt_device *cd,
186 const char *key_file,
190 struct luks_masterkey *mk;
191 crypt_keyslot_info ki;
193 char *password = NULL;
194 unsigned int passwordLen;
196 get_key(_("Enter any remaining LUKS passphrase: "), &password,
197 &passwordLen, 0, key_file, cd->timeout, flags, cd);
201 ki = crypt_keyslot_status(cd, keyIndex);
202 if (ki == SLOT_ACTIVE) /* Not last slot */
203 LUKS_keyslot_set(&cd->hdr, keyIndex, 0);
205 openedIndex = LUKS_open_key_with_hdr(cd->device, CRYPT_ANY_SLOT,
206 password, passwordLen,
209 if (ki == SLOT_ACTIVE)
210 LUKS_keyslot_set(&cd->hdr, keyIndex, 1);
211 LUKS_dealloc_masterkey(mk);
217 log_std(cd, _("Key slot %d verified.\n"), openedIndex);
221 static int find_keyslot_by_passphrase(struct crypt_device *cd,
222 const char *key_file,
226 struct luks_masterkey *mk;
227 char *password = NULL;
228 unsigned int passwordLen;
231 get_key(message,&password,&passwordLen, 0, key_file,
232 cd->timeout, flags, cd);
236 keyIndex = LUKS_open_key_with_hdr(cd->device, CRYPT_ANY_SLOT, password,
237 passwordLen, &cd->hdr, &mk, cd);
238 LUKS_dealloc_masterkey(mk);
244 static int device_check_and_adjust(struct crypt_device *cd,
246 uint64_t *size, uint64_t *offset,
249 struct device_infos infos;
251 if (get_device_infos(device, &infos, cd) < 0) {
252 log_err(cd, _("Cannot get info about device %s.\n"), device);
259 log_err(cd, _("Device %s has zero size.\n"), device);
262 if (*size < *offset) {
263 log_err(cd, _("Device %s is too small.\n"), device);
272 log_dbg("Calculated device size is %" PRIu64 " sectors (%s), offset %" PRIu64 ".",
273 *size, *read_only ? "RO" : "RW", *offset);
277 static int luks_remove_helper(struct crypt_device *cd,
279 const char *other_key_file,
280 const char *key_file,
283 crypt_keyslot_info ki;
286 if (key_slot == CRYPT_ANY_SLOT) {
287 key_slot = find_keyslot_by_passphrase(cd, key_file, 0,
288 _("Enter LUKS passphrase to be deleted: "));
294 log_std(cd, _("key slot %d selected for deletion.\n"), key_slot);
297 ki = crypt_keyslot_status(cd, key_slot);
298 if (ki == SLOT_INVALID) {
299 log_err(cd, _("Key slot %d is invalid, please select between 0 and %d.\n"),
300 key_slot, LUKS_NUMKEYS - 1);
304 if (ki <= SLOT_INACTIVE) {
305 log_err(cd, _("Key %d not active. Can't wipe.\n"), key_slot);
310 if (ki == SLOT_ACTIVE_LAST && cd->confirm &&
311 !(cd->confirm(_("This is the last keyslot."
312 " Device will become unusable after purging this key."),
313 cd->confirm_usrptr))) {
319 r = verify_other_keyslot(cd, other_key_file, 0, key_slot);
324 r = crypt_keyslot_destroy(cd, key_slot);
326 return (r < 0) ? r : 0;
329 static int create_device_helper(struct crypt_device *cd,
333 const char *cipher_mode,
334 const char *key_file,
346 crypt_status_info ci;
347 char *dm_cipher = NULL;
348 char *processed_key = NULL;
351 ci = crypt_status(cd, name);
355 if (reload && ci < ACTIVE)
358 if (!reload && ci >= ACTIVE) {
359 log_err(cd, _("Device %s already exists.\n"), name);
363 if (key_size < 0 || key_size > 1024) {
364 log_err(cd, _("Invalid key size %d.\n"), key_size);
368 r = device_check_and_adjust(cd, cd->device, &size, &offset, &read_only);
372 if (cipher_mode && asprintf(&dm_cipher, "%s-%s", cipher, cipher_mode) < 0)
375 processed_key = process_key(cd, hash, key_file, key_size, key, keyLen);
379 r = dm_create_device(name, cd->device, dm_cipher ?: cipher, cd->type, uuid, size, skip, offset,
380 key_size, processed_key, read_only, reload);
383 safe_free(processed_key);
387 static int open_from_hdr_and_mk(struct crypt_device *cd,
388 struct luks_masterkey *mk,
392 uint64_t size, offset;
394 int read_only, no_uuid, r;
397 offset = crypt_get_data_offset(cd);
398 read_only = flags & CRYPT_ACTIVATE_READONLY;
399 no_uuid = flags & CRYPT_ACTIVATE_NO_UUID;
401 r = device_check_and_adjust(cd, cd->device, &size, &offset, &read_only);
405 if (asprintf(&cipher, "%s-%s", crypt_get_cipher(cd),
406 crypt_get_cipher_mode(cd)) < 0)
409 r = dm_create_device(name, cd->device, cipher, cd->type,
410 no_uuid ? NULL : crypt_get_uuid(cd),
411 size, 0, offset, mk->keyLength, mk->key,
417 static void log_wrapper(int class, const char *msg, void *usrptr)
419 void (*xlog)(int class, char *msg) = usrptr;
420 xlog(class, (char *)msg);
423 static int yesDialog_wrapper(const char *msg, void *usrptr)
425 int (*xyesDialog)(char *msg) = usrptr;
426 return xyesDialog((char*)msg);
429 int crypt_confirm(struct crypt_device *cd, const char *msg)
431 if (!cd || !cd->confirm)
434 return cd->confirm(msg, cd->confirm_usrptr);
437 static void key_from_terminal(struct crypt_device *cd, char *msg, char **key,
438 unsigned int *key_len, int force_verify)
443 *key = safe_alloc(MAX_TTY_PASSWORD_LEN);
446 r = cd->password(msg, *key, (size_t)key_len, cd->password_usrptr);
453 if (force_verify || cd->password_verify)
454 flags |= CRYPT_FLAG_VERIFY_IF_POSSIBLE;
455 get_key(msg, key, key_len, 0, NULL, cd->timeout, flags, cd);
459 static int volume_key_by_terminal_passphrase(struct crypt_device *cd, int keyslot,
460 struct luks_masterkey **mk)
462 char *prompt = NULL, *passphrase_read = NULL;
463 unsigned int passphrase_size_read;
464 int r = -EINVAL, tries = cd->tries;
466 if(asprintf(&prompt, _("Enter passphrase for %s: "), cd->device) < 0)
472 LUKS_dealloc_masterkey(*mk);
475 key_from_terminal(cd, prompt, &passphrase_read,
476 &passphrase_size_read, 0);
477 if(!passphrase_read) {
482 r = LUKS_open_key_with_hdr(cd->device, keyslot, passphrase_read,
483 passphrase_size_read, &cd->hdr, mk, cd);
484 safe_free(passphrase_read);
485 passphrase_read = NULL;
486 } while (r == -EPERM && (--tries > 0));
489 LUKS_dealloc_masterkey(*mk);
498 static void key_from_file(struct crypt_device *cd, char *msg,
499 char **key, unsigned int *key_len,
500 const char *key_file, size_t key_size)
502 get_key(msg, key, key_len, key_size, key_file, cd->timeout, 0, cd);
505 static int _crypt_init(struct crypt_device **cd,
507 struct crypt_options *options,
508 int load, int need_dm)
512 /* if it is plain device and mapping table is being reloaded
513 initialize it by name*/
514 init_by_name = (type && !strcmp(type, CRYPT_PLAIN) && load);
516 /* Some of old API calls do not require DM in kernel,
517 fake initialisation by initialise it with kernel_check disabled */
519 (void)dm_init(NULL, 0);
521 r = crypt_init_by_name(cd, options->name);
523 r = crypt_init(cd, options->device);
530 crypt_set_log_callback(*cd, log_wrapper, options->icb->log);
531 crypt_set_confirm_callback(*cd, yesDialog_wrapper, options->icb->yesDialog);
533 crypt_set_timeout(*cd, options->timeout);
534 crypt_set_password_retry(*cd, options->tries);
535 crypt_set_iterarion_time(*cd, options->iteration_time ?: 1000);
536 crypt_set_password_verify(*cd, options->flags & CRYPT_FLAG_VERIFY);
538 if (load && !init_by_name)
539 r = crypt_load(*cd, type, NULL);
541 if (!r && type && !(*cd)->type) {
542 (*cd)->type = strdup(type);
553 void crypt_set_log_callback(struct crypt_device *cd,
554 void (*log)(int class, const char *msg, void *usrptr),
561 cd->log_usrptr = usrptr;
565 void crypt_set_confirm_callback(struct crypt_device *cd,
566 int (*confirm)(const char *msg, void *usrptr),
569 cd->confirm = confirm;
570 cd->confirm_usrptr = usrptr;
573 void crypt_set_password_callback(struct crypt_device *cd,
574 int (*password)(const char *msg, char *buf, size_t length, void *usrptr),
577 cd->password = password;
578 cd->password_usrptr = usrptr;
581 /* OPTIONS: name, cipher, device, hash, key_file, key_size, key_slot,
582 * offset, size, skip, timeout, tries, passphrase_fd (ignored),
584 int crypt_create_device(struct crypt_options *options)
586 struct crypt_device *cd = NULL;
591 r = _crypt_init(&cd, CRYPT_PLAIN, options, 0, 1);
595 get_key(_("Enter passphrase: "), &key, &keyLen, options->key_size,
596 options->key_file, cd->timeout, options->flags, cd);
600 r = create_device_helper(cd, options->name, options->hash,
601 options->cipher, NULL, options->key_file, key, keyLen,
602 options->key_size, options->size, options->skip,
603 options->offset, NULL, options->flags & CRYPT_FLAG_READONLY,
611 /* OPTIONS: same as create above */
612 int crypt_update_device(struct crypt_options *options)
614 struct crypt_device *cd = NULL;
619 r = _crypt_init(&cd, CRYPT_PLAIN, options, 1, 1);
623 get_key(_("Enter passphrase: "), &key, &keyLen, options->key_size,
624 options->key_file, cd->timeout, options->flags, cd);
628 r = create_device_helper(cd, options->name, options->hash,
629 options->cipher, NULL, options->key_file, key, keyLen,
630 options->key_size, options->size, options->skip,
631 options->offset, NULL, options->flags & CRYPT_FLAG_READONLY,
639 /* OPTIONS: name, size, icb */
640 int crypt_resize_device(struct crypt_options *options)
642 struct crypt_device *cd = NULL;
643 char *device = NULL, *cipher = NULL, *uuid = NULL, *key = NULL;
645 uint64_t size, skip, offset;
646 int key_size, read_only, r;
648 log_dbg("Resizing device %s to %" PRIu64 " sectors.", options->name, options->size);
650 if (dm_init(NULL, 1) < 0)
653 r = dm_query_device(options->name, &device, &size, &skip, &offset,
654 &cipher, &key_size, &key, &read_only, NULL, &uuid);
656 log_err(NULL, _("Device %s is not active.\n"), options->name);
660 /* Try to determine type of device from UUID */
663 if (!strncmp(uuid, CRYPT_PLAIN, strlen(CRYPT_PLAIN))) {
667 } else if (!strncmp(uuid, CRYPT_LUKS1, strlen(CRYPT_LUKS1)))
671 if (!options->device)
672 options->device = device;
674 r = _crypt_init(&cd, type, options, 1, 1);
678 size = options->size;
679 r = device_check_and_adjust(cd, device, &size, &offset, &read_only);
683 r = dm_create_device(options->name, device, cipher, type,
684 crypt_get_uuid(cd), size, skip, offset,
685 key_size, key, read_only, 1);
689 if (options->device == device)
690 options->device = NULL;
698 /* OPTIONS: name, icb */
699 int crypt_query_device(struct crypt_options *options)
703 log_dbg("Query device %s.", options->name);
705 if (dm_init(NULL, 1) < 0)
708 r = dm_status_device(options->name);
714 r = dm_query_device(options->name, (char **)&options->device, &options->size,
715 &options->skip, &options->offset, (char **)&options->cipher,
716 &options->key_size, NULL, &read_only, NULL, NULL);
723 options->flags |= CRYPT_FLAG_READONLY;
725 options->flags |= CRYPT_FLAG_FREE_DEVICE;
726 options->flags |= CRYPT_FLAG_FREE_CIPHER;
731 /* OPTIONS: name, icb */
732 int crypt_remove_device(struct crypt_options *options)
734 struct crypt_device *cd = NULL;
737 r = crypt_init_by_name(&cd, options->name);
741 r = crypt_deactivate(cd, options->name);
748 /* OPTIONS: device, cipher, hash, align_payload, key_size (master key), key_slot
749 * new_key_file, iteration_time, timeout, flags, icb */
750 int crypt_luksFormat(struct crypt_options *options)
752 char cipherName[LUKS_CIPHERNAME_L];
753 char cipherMode[LUKS_CIPHERMODE_L];
755 unsigned int passwordLen;
756 struct crypt_device *cd;
757 struct crypt_params_luks1 cp = {
758 .hash = options->hash,
759 .data_alignment = options->align_payload
763 r = parse_into_name_and_mode(options->cipher, cipherName, cipherMode);
765 log_err(cd, _("No known cipher specification pattern detected.\n"));
769 if ((r = _crypt_init(&cd, CRYPT_LUKS1, options, 0, 1)))
772 if (options->key_slot >= LUKS_NUMKEYS && options->key_slot != CRYPT_ANY_SLOT) {
773 log_err(cd, _("Key slot %d is invalid, please select between 0 and %d.\n"),
774 options->key_slot, LUKS_NUMKEYS - 1);
779 get_key(_("Enter LUKS passphrase: "), &password, &passwordLen, 0,
780 options->new_key_file, options->timeout, options->flags, cd);
787 r = crypt_format(cd, CRYPT_LUKS1, cipherName, cipherMode,
788 NULL, NULL, options->key_size, &cp);
792 /* Add keyslot using internally stored volume key generated during format */
793 r = crypt_keyslot_add_by_volume_key(cd, options->key_slot, NULL, 0,
794 password, passwordLen);
798 return (r < 0) ? r : 0;
801 /* OPTIONS: name, device, key_size, key_file, timeout, tries, flags, icb */
802 int crypt_luksOpen(struct crypt_options *options)
804 struct crypt_device *cd = NULL;
811 r = _crypt_init(&cd, CRYPT_LUKS1, options, 1, 1);
815 if (options->flags & CRYPT_FLAG_READONLY)
816 flags |= CRYPT_ACTIVATE_READONLY;
818 if (options->flags & CRYPT_FLAG_NON_EXCLUSIVE_ACCESS)
819 flags |= CRYPT_ACTIVATE_NO_UUID;
821 if (options->key_file)
822 r = crypt_activate_by_keyfile(cd, options->name,
823 CRYPT_ANY_SLOT, options->key_file, options->key_size,
826 r = crypt_activate_by_passphrase(cd, options->name,
827 CRYPT_ANY_SLOT, options->passphrase,
828 options->passphrase ? strlen(options->passphrase) : 0,
832 return (r < 0) ? r : 0;
835 /* OPTIONS: device, keys_slot, key_file, timeout, flags, icb */
836 int crypt_luksKillSlot(struct crypt_options *options)
838 struct crypt_device *cd = NULL;
841 r = _crypt_init(&cd, CRYPT_LUKS1, options, 1, 1);
845 r = luks_remove_helper(cd, options->key_slot, options->key_file, NULL,
846 options->flags & CRYPT_FLAG_VERIFY_ON_DELKEY);
849 return (r < 0) ? r : 0;
852 /* OPTIONS: device, new_key_file, key_file, timeout, flags, icb */
853 int crypt_luksRemoveKey(struct crypt_options *options)
855 struct crypt_device *cd = NULL;
858 r = _crypt_init(&cd, CRYPT_LUKS1, options, 1, 1);
862 r = luks_remove_helper(cd, CRYPT_ANY_SLOT, options->key_file, options->new_key_file,
863 options->flags & CRYPT_FLAG_VERIFY_ON_DELKEY);
866 return (r < 0) ? r : 0;
870 /* OPTIONS: device, new_key_file, key_file, key_slot, flags,
871 iteration_time, timeout, icb */
872 int crypt_luksAddKey(struct crypt_options *options)
874 struct crypt_device *cd = NULL;
877 r = _crypt_init(&cd, CRYPT_LUKS1, options, 1, 1);
881 if (options->key_file || options->new_key_file)
882 r = crypt_keyslot_add_by_keyfile(cd, options->key_slot,
883 options->key_file, 0,
884 options->new_key_file, 0);
886 r = crypt_keyslot_add_by_passphrase(cd, options->key_slot,
890 return (r < 0) ? r : 0;
893 /* OPTIONS: device, icb */
894 int crypt_luksUUID(struct crypt_options *options)
896 struct crypt_device *cd = NULL;
900 r = _crypt_init(&cd, CRYPT_LUKS1, options, 1, 0);
904 uuid = (char *)crypt_get_uuid(cd);
905 log_std(cd, uuid ?: "");
911 /* OPTIONS: device, icb */
912 int crypt_isLuks(struct crypt_options *options)
914 struct crypt_device *cd = NULL;
917 log_dbg("Check device %s for LUKS header.", options->device);
919 r = crypt_init(&cd, options->device);
923 /* Do print fail here, no need to crypt_load() */
924 r = LUKS_read_phdr(cd->device, &cd->hdr, 0, cd) ? -EINVAL : 0;
930 /* OPTIONS: device, icb */
931 int crypt_luksDump(struct crypt_options *options)
933 struct crypt_device *cd = NULL;
936 r = _crypt_init(&cd, CRYPT_LUKS1, options, 1, 0);
946 void crypt_get_error(char *buf, size_t size)
948 const char *error = get_error();
950 if (!buf || size < 1)
953 strncpy(buf, error, size - 1);
954 buf[size - 1] = '\0';
960 void crypt_put_options(struct crypt_options *options)
962 if (options->flags & CRYPT_FLAG_FREE_DEVICE) {
963 free((char *)options->device);
964 options->device = NULL;
965 options->flags &= ~CRYPT_FLAG_FREE_DEVICE;
967 if (options->flags & CRYPT_FLAG_FREE_CIPHER) {
968 free((char *)options->cipher);
969 options->cipher = NULL;
970 options->flags &= ~CRYPT_FLAG_FREE_CIPHER;
974 const char *crypt_get_dir(void)
979 /////////////////////////////////
984 int crypt_init(struct crypt_device **cd, const char *device)
986 struct crypt_device *h = NULL;
991 log_dbg("Allocating crypt device %s context.", device);
993 if (device && !device_ready(NULL, device, O_RDONLY))
996 if (!(h = malloc(sizeof(struct crypt_device))))
999 memset(h, 0, sizeof(*h));
1002 h->device = strdup(device);
1010 if (dm_init(h, 1) < 0) {
1015 h->iteration_time = 1000;
1016 h->password_verify = 0;
1022 int crypt_init_by_name(struct crypt_device **cd, const char *name)
1024 crypt_status_info ci;
1025 char *device = NULL;
1028 log_dbg("Allocating crypt device context by device %s.", name);
1030 ci = crypt_status(NULL, name);
1035 log_err(NULL, _("Device %s is not active.\n"), name);
1039 r = dm_query_device(name, &device, NULL, NULL, NULL,
1040 NULL, NULL, NULL, NULL, NULL, NULL);
1042 r = crypt_init(cd, device);
1048 static int _crypt_format_plain(struct crypt_device *cd,
1050 const char *cipher_mode,
1052 struct crypt_params_plain *params)
1054 if (!cipher || !cipher_mode || !params || !params->hash) {
1055 log_err(cd, _("Invalid plain crypt parameters.\n"));
1059 if (cd->volume_key->keyLength > 1024) {
1060 log_err(cd, _("Invalid key size.\n"));
1064 cd->plain_cipher = strdup(cipher);
1065 cd->plain_cipher_mode = strdup(cipher_mode);
1068 cd->plain_uuid = strdup(uuid);
1071 cd->plain_hdr.hash = strdup(params->hash);
1073 cd->plain_hdr.offset = params->offset;
1074 cd->plain_hdr.skip = params->skip;
1076 if ((params->hash && !cd->plain_hdr.hash) ||
1077 !cd->plain_cipher || !cd->plain_cipher_mode)
1083 static int _crypt_format_luks1(struct crypt_device *cd,
1085 const char *cipher_mode,
1087 struct crypt_params_luks1 *params)
1092 log_err(cd, _("Can't format LUKS without device.\n"));
1096 r = LUKS_generate_phdr(&cd->hdr, cd->volume_key, cipher, cipher_mode,
1097 (params && params->hash) ? params->hash : "sha1",
1099 params ? params->data_alignment: DEFAULT_ALIGNMENT, cd);
1103 /* Wipe first 8 sectors - fs magic numbers etc. */
1104 r = wipe_device_header(cd->device, 8);
1106 log_err(cd, _("Can't wipe header on device %s.\n"), cd->device);
1110 r = LUKS_write_phdr(cd->device, &cd->hdr, cd);
1115 int crypt_format(struct crypt_device *cd,
1118 const char *cipher_mode,
1120 const char *volume_key,
1121 size_t volume_key_size,
1126 log_dbg("Formatting device %s as type %s.", cd->device ?: "(none)", cd->type ?: "(none)");
1132 cd->volume_key = LUKS_alloc_masterkey(volume_key_size,
1135 cd->volume_key = LUKS_generate_masterkey(volume_key_size);
1141 r = _crypt_format_plain(cd, cipher, cipher_mode,
1143 else if (isLUKS(type))
1144 r = _crypt_format_luks1(cd, cipher, cipher_mode,
1147 /* FIXME: allow plugins here? */
1148 log_err(cd, _("Unkown crypt device type %s requesed.\n"), type);
1152 if (!r && !(cd->type = strdup(type)))
1156 LUKS_dealloc_masterkey(cd->volume_key);
1157 cd->volume_key = NULL;
1163 int crypt_load(struct crypt_device *cd,
1164 const char *requested_type,
1167 struct luks_phdr hdr;
1170 log_dbg("Trying to load %s crypt type from device %s.",
1171 requested_type ?: "any", cd->device ?: "(none)");
1176 if (requested_type && !isLUKS(requested_type))
1179 /* Some hash functions need initialized gcrypt library */
1180 if (init_crypto()) {
1181 log_err(cd, _("Cannot initialize crypto backend.\n"));
1185 r = LUKS_read_phdr(cd->device, &hdr, 0, cd);
1188 memcpy(&cd->hdr, &hdr, sizeof(hdr));
1189 cd->type = strdup(requested_type);
1197 int crypt_header_backup(struct crypt_device *cd,
1198 const char *requested_type,
1199 const char *backup_file)
1201 if ((requested_type && !isLUKS(requested_type)) || !backup_file)
1204 log_dbg("Requested header backup of device %s (%s) to "
1205 "file %s.", cd->device, requested_type, backup_file);
1207 return LUKS_hdr_backup(backup_file, cd->device, &cd->hdr, cd);
1210 int crypt_header_restore(struct crypt_device *cd,
1211 const char *requested_type,
1212 const char *backup_file)
1214 if (requested_type && !isLUKS(requested_type))
1217 log_dbg("Requested header restore to device %s (%s) from "
1218 "file %s.", cd->device, requested_type, backup_file);
1220 return LUKS_hdr_restore(backup_file, cd->device, &cd->hdr, cd);
1223 void crypt_free(struct crypt_device *cd)
1226 log_dbg("Releasing crypt device %s context.", cd->device);
1230 LUKS_dealloc_masterkey(cd->volume_key);
1235 /* used in plain device only */
1236 free((char*)cd->plain_hdr.hash);
1237 free(cd->plain_cipher);
1238 free(cd->plain_cipher_mode);
1239 free(cd->plain_uuid);
1245 int crypt_suspend(struct crypt_device *cd,
1248 crypt_status_info ci;
1249 int r, suspended = 0;
1251 log_dbg("Suspending volume %s.", name);
1253 ci = crypt_status(NULL, name);
1255 log_err(cd, _("Volume %s is not active.\n"), name);
1259 if (!cd && dm_init(NULL, 1) < 0)
1262 r = dm_query_device(name, NULL, NULL, NULL, NULL,
1263 NULL, NULL, NULL, NULL, &suspended, NULL);
1268 log_err(cd, _("Volume %s is already suspended.\n"), name);
1273 r = dm_suspend_and_wipe_key(name);
1275 log_err(cd, "Error during suspending device %s.\n", name);
1282 int crypt_resume_by_passphrase(struct crypt_device *cd,
1285 const char *passphrase,
1286 size_t passphrase_size)
1288 struct luks_masterkey *mk = NULL;
1289 int r, suspended = 0;
1291 log_dbg("Resuming volume %s.", name);
1293 if (!isLUKS(cd->type)) {
1294 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1299 r = dm_query_device(name, NULL, NULL, NULL, NULL,
1300 NULL, NULL, NULL, NULL, &suspended, NULL);
1305 log_err(cd, _("Volume %s is not suspended.\n"), name);
1310 r = LUKS_open_key_with_hdr(cd->device, keyslot, passphrase,
1311 passphrase_size, &cd->hdr, &mk, cd);
1313 r = volume_key_by_terminal_passphrase(cd, keyslot, &mk);
1317 r = dm_resume_and_reinstate_key(name, mk->keyLength, mk->key);
1319 log_err(cd, "Error during resuming device %s.\n", name);
1323 LUKS_dealloc_masterkey(mk);
1324 return r < 0 ? r : keyslot;
1327 int crypt_resume_by_keyfile(struct crypt_device *cd,
1330 const char *keyfile,
1331 size_t keyfile_size)
1333 struct luks_masterkey *mk = NULL;
1334 char *passphrase_read = NULL;
1335 unsigned int passphrase_size_read;
1336 int r, suspended = 0;
1338 log_dbg("Resuming volume %s.", name);
1340 if (!isLUKS(cd->type)) {
1341 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1346 r = dm_query_device(name, NULL, NULL, NULL, NULL,
1347 NULL, NULL, NULL, NULL, &suspended, NULL);
1352 log_err(cd, _("Volume %s is not suspended.\n"), name);
1359 key_from_file(cd, _("Enter passphrase: "), &passphrase_read,
1360 &passphrase_size_read, keyfile, keyfile_size);
1362 if(!passphrase_read)
1365 r = LUKS_open_key_with_hdr(cd->device, keyslot, passphrase_read,
1366 passphrase_size_read, &cd->hdr, &mk, cd);
1367 safe_free(passphrase_read);
1372 r = dm_resume_and_reinstate_key(name, mk->keyLength, mk->key);
1374 log_err(cd, "Error during resuming device %s.\n", name);
1378 LUKS_dealloc_masterkey(mk);
1379 return r < 0 ? r : keyslot;
1382 // slot manipulation
1383 int crypt_keyslot_add_by_passphrase(struct crypt_device *cd,
1384 int keyslot, // -1 any
1385 const char *passphrase, // NULL -> terminal
1386 size_t passphrase_size,
1387 const char *new_passphrase, // NULL -> terminal
1388 size_t new_passphrase_size)
1390 struct luks_masterkey *mk = NULL;
1391 char *password = NULL, *new_password = NULL;
1392 unsigned int passwordLen, new_passwordLen;
1395 log_dbg("Adding new keyslot, existing passphrase %sprovided,"
1396 "new passphrase %sprovided.",
1397 passphrase ? "" : "not ", new_passphrase ? "" : "not ");
1399 if (!isLUKS(cd->type)) {
1400 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1404 r = keyslot_verify_or_find_empty(cd, &keyslot);
1408 if (!LUKS_keyslot_active_count(&cd->hdr)) {
1409 /* No slots used, try to use pre-generated key in header */
1410 if (cd->volume_key) {
1411 mk = LUKS_alloc_masterkey(cd->volume_key->keyLength, cd->volume_key->key);
1412 r = mk ? 0 : -ENOMEM;
1414 log_err(cd, _("Cannot add key slot, all slots disabled and no volume key provided.\n"));
1417 } else if (passphrase) {
1418 /* Passphrase provided, use it to unlock existing keyslot */
1419 r = LUKS_open_key_with_hdr(cd->device, CRYPT_ANY_SLOT, passphrase,
1420 passphrase_size, &cd->hdr, &mk, cd);
1422 /* Passphrase not provided, ask first and use it to unlock existing keyslot */
1423 key_from_terminal(cd, _("Enter any passphrase: "),
1424 &password, &passwordLen, 0);
1430 r = LUKS_open_key_with_hdr(cd->device, CRYPT_ANY_SLOT, password,
1431 passwordLen, &cd->hdr, &mk, cd);
1432 safe_free(password);
1438 if (new_passphrase) {
1439 new_password = (char *)new_passphrase;
1440 new_passwordLen = new_passphrase_size;
1442 key_from_terminal(cd, _("Enter new passphrase for key slot: "),
1443 &new_password, &new_passwordLen, 1);
1450 r = LUKS_set_key(cd->device, keyslot, new_password, new_passwordLen,
1451 &cd->hdr, mk, cd->iteration_time, &cd->PBKDF2_per_sec, cd);
1456 if (!new_passphrase)
1457 safe_free(new_password);
1458 LUKS_dealloc_masterkey(mk);
1459 return r ?: keyslot;
1462 int crypt_keyslot_add_by_keyfile(struct crypt_device *cd,
1464 const char *keyfile,
1465 size_t keyfile_size,
1466 const char *new_keyfile,
1467 size_t new_keyfile_size)
1469 struct luks_masterkey *mk=NULL;
1470 char *password=NULL; unsigned int passwordLen;
1471 char *new_password = NULL; unsigned int new_passwordLen;
1474 log_dbg("Adding new keyslot, existing keyfile %s, new keyfile %s.",
1475 keyfile ?: "[none]", new_keyfile ?: "[none]");
1477 if (!isLUKS(cd->type)) {
1478 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1482 r = keyslot_verify_or_find_empty(cd, &keyslot);
1486 if (!LUKS_keyslot_active_count(&cd->hdr)) {
1487 /* No slots used, try to use pre-generated key in header */
1488 if (cd->volume_key) {
1489 mk = LUKS_alloc_masterkey(cd->volume_key->keyLength, cd->volume_key->key);
1490 r = mk ? 0 : -ENOMEM;
1492 log_err(cd, _("Cannot add key slot, all slots disabled and no volume key provided.\n"));
1496 /* Read password from file of (if NULL) from terminal */
1498 key_from_file(cd, _("Enter any passphrase: "), &password, &passwordLen,
1499 keyfile, keyfile_size);
1501 key_from_terminal(cd, _("Enter any passphrase: "),
1502 &password, &passwordLen, 1);
1507 r = LUKS_open_key_with_hdr(cd->device, CRYPT_ANY_SLOT, password, passwordLen,
1509 safe_free(password);
1516 key_from_file(cd, _("Enter new passphrase for key slot: "),
1517 &new_password, &new_passwordLen, new_keyfile,
1520 key_from_terminal(cd, _("Enter new passphrase for key slot: "),
1521 &new_password, &new_passwordLen, 1);
1528 r = LUKS_set_key(cd->device, keyslot, new_password, new_passwordLen,
1529 &cd->hdr, mk, cd->iteration_time, &cd->PBKDF2_per_sec, cd);
1531 safe_free(new_password);
1532 LUKS_dealloc_masterkey(mk);
1533 return r < 0 ? r : keyslot;
1536 int crypt_keyslot_add_by_volume_key(struct crypt_device *cd,
1538 const char *volume_key,
1539 size_t volume_key_size,
1540 const char *passphrase,
1541 size_t passphrase_size)
1543 struct luks_masterkey *mk = NULL;
1545 char *new_password = NULL; unsigned int new_passwordLen;
1547 log_dbg("Adding new keyslot %d using volume key.", keyslot);
1549 if (!isLUKS(cd->type)) {
1550 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1555 mk = LUKS_alloc_masterkey(volume_key_size, volume_key);
1556 else if (cd->volume_key)
1557 mk = LUKS_alloc_masterkey(cd->volume_key->keyLength, cd->volume_key->key);
1562 r = LUKS_verify_master_key(&cd->hdr, mk);
1564 log_err(cd, _("Volume key does not match the volume.\n"));
1568 r = keyslot_verify_or_find_empty(cd, &keyslot);
1573 key_from_terminal(cd, _("Enter new passphrase for key slot: "),
1574 &new_password, &new_passwordLen, 1);
1575 passphrase = new_password;
1576 passphrase_size = new_passwordLen;
1579 r = LUKS_set_key(cd->device, keyslot, passphrase, passphrase_size,
1580 &cd->hdr, mk, cd->iteration_time, &cd->PBKDF2_per_sec, cd);
1583 safe_free(new_password);
1584 LUKS_dealloc_masterkey(mk);
1585 return r ?: keyslot;
1588 int crypt_keyslot_destroy(struct crypt_device *cd, int keyslot)
1590 crypt_keyslot_info ki;
1592 log_dbg("Destroying keyslot %d.", keyslot);
1594 if (!isLUKS(cd->type)) {
1595 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1599 ki = crypt_keyslot_status(cd, keyslot);
1600 if (ki == SLOT_INVALID) {
1601 log_err(cd, _("Key slot %d is invalid.\n"), keyslot);
1605 if (ki == SLOT_INACTIVE) {
1606 log_err(cd, _("Key slot %d is not used.\n"), keyslot);
1610 return LUKS_del_key(cd->device, keyslot, &cd->hdr, cd);
1613 // activation/deactivation of device mapping
1614 int crypt_activate_by_passphrase(struct crypt_device *cd,
1617 const char *passphrase,
1618 size_t passphrase_size,
1621 crypt_status_info ci;
1622 struct luks_masterkey *mk = NULL;
1623 char *prompt = NULL;
1626 log_dbg("%s volume %s [keyslot %d] using %spassphrase.",
1627 name ? "Activating" : "Checking", name ?: "",
1628 keyslot, passphrase ? "" : "[none] ");
1633 /* plain, use hashed passphrase */
1634 if (isPLAIN(cd->type))
1635 return create_device_helper(cd, name, cd->plain_hdr.hash,
1636 cd->plain_cipher, cd->plain_cipher_mode, NULL, passphrase, passphrase_size,
1637 cd->volume_key->keyLength, 0, cd->plain_hdr.skip,
1638 cd->plain_hdr.offset, cd->plain_uuid, flags & CRYPT_ACTIVATE_READONLY, 0, 0);
1641 ci = crypt_status(NULL, name);
1644 else if (ci >= ACTIVE) {
1645 log_err(cd, _("Device %s already exists.\n"), name);
1650 if(asprintf(&prompt, _("Enter passphrase for %s: "), cd->device) < 0)
1653 /* provided passphrase, do not retry */
1655 r = LUKS_open_key_with_hdr(cd->device, keyslot, passphrase,
1656 passphrase_size, &cd->hdr, &mk, cd);
1658 r = volume_key_by_terminal_passphrase(cd, keyslot, &mk);
1663 r = open_from_hdr_and_mk(cd, mk, name, flags);
1666 LUKS_dealloc_masterkey(mk);
1669 return r < 0 ? r : keyslot;
1672 int crypt_activate_by_keyfile(struct crypt_device *cd,
1675 const char *keyfile,
1676 size_t keyfile_size,
1679 crypt_status_info ci;
1680 struct luks_masterkey *mk = NULL;
1681 char *passphrase_read = NULL;
1682 unsigned int passphrase_size_read;
1685 log_dbg("Activating volume %s [keyslot %d] using keyfile %s.",
1686 name, keyslot, keyfile ?: "[none]");
1688 if (!isLUKS(cd->type)) {
1689 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1694 ci = crypt_status(NULL, name);
1697 else if (ci >= ACTIVE) {
1698 log_err(cd, _("Device %s already exists.\n"), name);
1706 key_from_file(cd, _("Enter passphrase: "), &passphrase_read,
1707 &passphrase_size_read, keyfile, keyfile_size);
1708 if(!passphrase_read)
1711 r = LUKS_open_key_with_hdr(cd->device, keyslot, passphrase_read,
1712 passphrase_size_read, &cd->hdr, &mk, cd);
1713 safe_free(passphrase_read);
1718 r = open_from_hdr_and_mk(cd, mk, name, flags);
1721 LUKS_dealloc_masterkey(mk);
1723 return r < 0 ? r : keyslot;
1726 int crypt_activate_by_volume_key(struct crypt_device *cd,
1728 const char *volume_key,
1729 size_t volume_key_size,
1732 crypt_status_info ci;
1733 struct luks_masterkey *mk;
1736 log_dbg("Activating volume %s by volume key.", name);
1738 /* use key directly, no hash */
1739 if (isPLAIN(cd->type))
1740 return create_device_helper(cd, name, NULL,
1741 cd->plain_cipher, cd->plain_cipher_mode, NULL, volume_key, volume_key_size,
1742 cd->volume_key->keyLength, 0, cd->plain_hdr.skip,
1743 cd->plain_hdr.offset, cd->plain_uuid, flags & CRYPT_ACTIVATE_READONLY, 0, 0);
1745 if (!isLUKS(cd->type)) {
1746 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1751 ci = crypt_status(NULL, name);
1754 else if (ci >= ACTIVE) {
1755 log_err(cd, _("Device %s already exists.\n"), name);
1760 mk = LUKS_alloc_masterkey(volume_key_size, volume_key);
1763 r = LUKS_verify_master_key(&cd->hdr, mk);
1766 log_err(cd, _("Volume key does not match the volume.\n"));
1769 r = open_from_hdr_and_mk(cd, mk, name, flags);
1771 LUKS_dealloc_masterkey(mk);
1776 int crypt_deactivate(struct crypt_device *cd, const char *name)
1783 log_dbg("Deactivating volume %s.", name);
1785 if (!cd && dm_init(NULL, 1) < 0)
1788 switch (crypt_status(cd, name)) {
1789 case ACTIVE: r = dm_remove_device(name, 0, 0);
1791 case BUSY: log_err(cd, _("Device %s is busy.\n"), name);
1794 case INACTIVE: log_err(cd, _("Device %s is not active.\n"), name);
1797 default: log_err(cd, _("Invalid device %s.\n"), name);
1807 // misc helper functions
1808 int crypt_volume_key_get(struct crypt_device *cd,
1811 size_t *volume_key_size,
1812 const char *passphrase,
1813 size_t passphrase_size)
1815 struct luks_masterkey *mk;
1816 char *processed_key = NULL;
1819 key_len = crypt_get_volume_key_size(cd);
1820 if (key_len > *volume_key_size) {
1821 log_err(cd, _("Volume key buffer too small.\n"));
1825 if (isPLAIN(cd->type)) {
1826 processed_key = process_key(cd, cd->plain_hdr.hash, NULL, key_len,
1827 passphrase, passphrase_size);
1828 if (!processed_key) {
1829 log_err(cd, _("Cannot retrieve volume key for plain device.\n"));
1832 memcpy(volume_key, processed_key, key_len);
1833 *volume_key_size = key_len;
1834 safe_free(processed_key);
1838 if (isLUKS(cd->type)) {
1839 r = LUKS_open_key_with_hdr(cd->device, keyslot, passphrase,
1840 passphrase_size, &cd->hdr, &mk, cd);
1843 memcpy(volume_key, mk->key, mk->keyLength);
1844 *volume_key_size = mk->keyLength;
1847 LUKS_dealloc_masterkey(mk);
1851 log_err(cd, _("This operation is not supported for %s crypt device.\n"), cd->type ?: "(none)");
1855 int crypt_volume_key_verify(struct crypt_device *cd,
1856 const char *volume_key,
1857 size_t volume_key_size)
1859 struct luks_masterkey *mk;
1862 if (!isLUKS(cd->type)) {
1863 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1867 mk = LUKS_alloc_masterkey(volume_key_size, volume_key);
1871 r = LUKS_verify_master_key(&cd->hdr, mk);
1874 log_err(cd, _("Volume key does not match the volume.\n"));
1876 LUKS_dealloc_masterkey(mk);
1881 void crypt_set_timeout(struct crypt_device *cd, uint64_t timeout_sec)
1883 log_dbg("Timeout set to %" PRIu64 " miliseconds.", timeout_sec);
1884 cd->timeout = timeout_sec;
1887 void crypt_set_password_retry(struct crypt_device *cd, int tries)
1889 log_dbg("Password retry count set to %d.", tries);
1893 void crypt_set_iterarion_time(struct crypt_device *cd, uint64_t iteration_time_ms)
1895 log_dbg("Iteration time set to %" PRIu64 " miliseconds.", iteration_time_ms);
1896 cd->iteration_time = iteration_time_ms;
1899 void crypt_set_password_verify(struct crypt_device *cd, int password_verify)
1901 log_dbg("Password verification %s.", password_verify ? "enabled" : "disabled");
1902 cd->password_verify = password_verify ? 1 : 0;
1905 int crypt_memory_lock(struct crypt_device *cd, int lock)
1907 return lock ? crypt_memlock_inc(cd) : crypt_memlock_dec(cd);
1911 crypt_status_info crypt_status(struct crypt_device *cd, const char *name)
1915 if (!cd && dm_init(NULL, 1) < 0)
1918 r = dm_status_device(name);
1923 if (r < 0 && r != -ENODEV)
1935 static void hexprintICB(struct crypt_device *cd, char *d, int n)
1938 for(i = 0; i < n; i++)
1939 log_std(cd, "%02hhx ", (char)d[i]);
1942 int crypt_dump(struct crypt_device *cd)
1945 if (!isLUKS(cd->type)) { //FIXME
1946 log_err(cd, _("This operation is supported only for LUKS device.\n"));
1950 log_std(cd, "LUKS header information for %s\n\n", cd->device);
1951 log_std(cd, "Version: \t%d\n", cd->hdr.version);
1952 log_std(cd, "Cipher name: \t%s\n", cd->hdr.cipherName);
1953 log_std(cd, "Cipher mode: \t%s\n", cd->hdr.cipherMode);
1954 log_std(cd, "Hash spec: \t%s\n", cd->hdr.hashSpec);
1955 log_std(cd, "Payload offset:\t%d\n", cd->hdr.payloadOffset);
1956 log_std(cd, "MK bits: \t%d\n", cd->hdr.keyBytes * 8);
1957 log_std(cd, "MK digest: \t");
1958 hexprintICB(cd, cd->hdr.mkDigest, LUKS_DIGESTSIZE);
1960 log_std(cd, "MK salt: \t");
1961 hexprintICB(cd, cd->hdr.mkDigestSalt, LUKS_SALTSIZE/2);
1962 log_std(cd, "\n \t");
1963 hexprintICB(cd, cd->hdr.mkDigestSalt+LUKS_SALTSIZE/2, LUKS_SALTSIZE/2);
1965 log_std(cd, "MK iterations: \t%d\n", cd->hdr.mkDigestIterations);
1966 log_std(cd, "UUID: \t%s\n\n", cd->hdr.uuid);
1967 for(i = 0; i < LUKS_NUMKEYS; i++) {
1968 if(cd->hdr.keyblock[i].active == LUKS_KEY_ENABLED) {
1969 log_std(cd, "Key Slot %d: ENABLED\n",i);
1970 log_std(cd, "\tIterations: \t%d\n",
1971 cd->hdr.keyblock[i].passwordIterations);
1972 log_std(cd, "\tSalt: \t");
1973 hexprintICB(cd, cd->hdr.keyblock[i].passwordSalt,
1975 log_std(cd, "\n\t \t");
1976 hexprintICB(cd, cd->hdr.keyblock[i].passwordSalt +
1977 LUKS_SALTSIZE/2, LUKS_SALTSIZE/2);
1980 log_std(cd, "\tKey material offset:\t%d\n",
1981 cd->hdr.keyblock[i].keyMaterialOffset);
1982 log_std(cd, "\tAF stripes: \t%d\n",
1983 cd->hdr.keyblock[i].stripes);
1986 log_std(cd, "Key Slot %d: DISABLED\n", i);
1991 const char *crypt_get_cipher(struct crypt_device *cd)
1993 if (isPLAIN(cd->type))
1994 return cd->plain_cipher;
1996 if (isLUKS(cd->type))
1997 return cd->hdr.cipherName;
2002 const char *crypt_get_cipher_mode(struct crypt_device *cd)
2004 if (isPLAIN(cd->type))
2005 return cd->plain_cipher_mode;
2007 if (isLUKS(cd->type))
2008 return cd->hdr.cipherMode;
2013 const char *crypt_get_uuid(struct crypt_device *cd)
2015 if (isLUKS(cd->type))
2016 return cd->hdr.uuid;
2021 int crypt_get_volume_key_size(struct crypt_device *cd)
2023 if (isPLAIN(cd->type))
2024 return cd->volume_key->keyLength / 8;
2026 if (isLUKS(cd->type))
2027 return cd->hdr.keyBytes;
2032 uint64_t crypt_get_data_offset(struct crypt_device *cd)
2034 if (isPLAIN(cd->type))
2035 return cd->plain_hdr.offset;
2037 if (isLUKS(cd->type))
2038 return cd->hdr.payloadOffset;
2043 crypt_keyslot_info crypt_keyslot_status(struct crypt_device *cd, int keyslot)
2045 if (!isLUKS(cd->type)) {
2046 log_err(cd, _("This operation is supported only for LUKS device.\n"));
2047 return SLOT_INVALID;
2050 return LUKS_keyslot_info(&cd->hdr, keyslot);