/* TCRYPT PBKDF variants */
static struct {
+ unsigned int legacy:1;
char *name;
char *hash;
unsigned int iterations;
} tcrypt_kdf[] = {
- { "pbkdf2", "ripemd160", 2000 },
- { "pbkdf2", "ripemd160", 1000 },
- { "pbkdf2", "sha512", 1000 },
- { "pbkdf2", "whirlpool", 1000 },
- { NULL, NULL, 0 }
+ { 0, "pbkdf2", "ripemd160", 2000 },
+ { 0, "pbkdf2", "ripemd160", 1000 },
+ { 0, "pbkdf2", "sha512", 1000 },
+ { 0, "pbkdf2", "whirlpool", 1000 },
+ { 1, "pbkdf2", "sha1", 2000 },
+ { 0, NULL, NULL, 0 }
+};
+
+struct tcrypt_alg {
+ const char *name;
+ unsigned int key_size;
+ unsigned int iv_size;
};
/* TCRYPT cipher variants */
static struct {
- const char *cipher[3];
+ unsigned int legacy:1;
const char *mode;
- int key_size;
+ struct tcrypt_alg cipher[3];
} tcrypt_cipher[] = {
- { { "aes", NULL, NULL }, "xts-plain64", 64 },
- { { "twofish", NULL, NULL }, "xts-plain64", 64 },
- { { "serpent", NULL, NULL }, "xts-plain64", 64 },
- { { "aes", "twofish", "serpent" }, "xts-plain64", 64 },
- { { "serpent", "twofish", "aes" }, "xts-plain64", 64 },
- { { "twofish", "aes", NULL }, "xts-plain64", 64 },
- { { "aes", "serpent", NULL }, "xts-plain64", 64 },
- { { "serpent", "twofish", NULL }, "xts-plain64", 64 },
- { { "aes", NULL, NULL }, "lrw-benbi", 48 },
- { { "twofish", NULL, NULL }, "lrw-benbi", 48 },
- { { "serpent", NULL, NULL }, "lrw-benbi", 48 },
- { { "aes", "twofish", "serpent" }, "lrw-benbi", 48 },
- { { "serpent", "twofish", "aes" }, "lrw-benbi", 48 },
- { { "twofish", "aes", NULL }, "lrw-benbi", 48 },
- { { "aes", "serpent", NULL }, "lrw-benbi", 48 },
- { { "serpent", "twofish", NULL }, "lrw-benbi", 48 },
- { { NULL, NULL, NULL }, NULL, 0 }
+ { 0, "xts-plain64",{{"aes", 64,16}}},
+ { 0, "xts-plain64",{{"serpent",64,16}}},
+ { 0, "xts-plain64",{{"twofish",64,16}}},
+ { 0, "xts-plain64",{{"twofish",64,16},{"aes", 64,16}}},
+ { 0, "xts-plain64",{{"serpent",64,16},{"twofish",64,16},{"aes", 64,16}}},
+ { 0, "xts-plain64",{{"aes", 64,16},{"serpent",64,16}}},
+ { 0, "xts-plain64",{{"aes", 64,16},{"twofish",64,16},{"serpent",64,16}}},
+ { 0, "xts-plain64",{{"serpent",64,16},{"twofish",64,16}}},
+
+ { 0, "lrw-benbi", {{"aes", 48,16}}},
+ { 0, "lrw-benbi", {{"serpent",48,16}}},
+ { 0, "lrw-benbi", {{"twofish",48,16}}},
+ { 0, "lrw-benbi", {{"twofish",48,16},{"aes", 48,16}}},
+ { 0, "lrw-benbi", {{"serpent",48,16},{"twofish",48,16},{"aes", 48,16}}},
+ { 0, "lrw-benbi", {{"aes", 48,16},{"serpent",48,16}}},
+ { 0, "lrw-benbi", {{"aes", 48,16},{"twofish",48,16},{"serpent",48,16}}},
+ { 0, "lrw-benbi", {{"serpent",48,16},{"twofish",48,16}}},
+
+ { 1, "cbc-tcrypt", {{"aes", 32,16}}},
+ { 1, "cbc-tcrypt", {{"serpent",32,16}}},
+ { 1, "cbc-tcrypt", {{"twofish",32,16}}},
+ { 1, "cbci-tcrypt",{{"twofish",32,16},{"aes", 32,16}}},
+ { 1, "cbci-tcrypt",{{"serpent",32,16},{"twofish",32,16},{"aes", 32,16}}},
+ { 1, "cbci-tcrypt",{{"aes", 32,16},{"serpent",32,16}}},
+ { 1, "cbci-tcrypt",{{"aes", 32,16},{"twofish",32,16},{"serpent",32,16}}},
+ { 1, "cbci-tcrypt",{{"serpent",32,16},{"twofish",32,16}}},
+
+ { 1, "cbc-tcrypt", {{"cast5", 16,8}}},
+ { 1, "cbc-tcrypt", {{"des3_ede",24,8}}},
+
+ // kernel LRW block size is fixed to 16 bytes
+ // thus cannot be used with blowfish where block is 8 bytes
+ //{ 1,"lrw-benbi",{{"blowfish",64,8}}},
+ //{ 1,"lrw-benbi",{{"blowfish",64,8},{"aes",48,16}}},
+ //{ 1,"lrw-benbi",{{"serpent",48,16},{"blowfish",64,8},{"aes",48,16}}},
+
+ // FIXME: why this doesn't work (blowfish key wrong)?
+ //{ 1,"cbc-tcrypt",{{"blowfish",56,8}}},
+ //{ 1,"cbc-tcrypt",{{"blowfish",56,8},{"aes",32,16}}},
+ //{ 1,"cbc-tcrypt",{{"serpent",32,16},{"blowfish",56,8},{"aes",32,16}}},
+ {}
};
static void hdr_info(struct crypt_device *cd, struct tcrypt_phdr *hdr,
log_dbg("Flags: %d", (int)hdr->d.flags);
log_dbg("MK: offset %d, size %d", (int)hdr->d.mk_offset, (int)hdr->d.mk_size);
log_dbg("KDF: PBKDF2, hash %s", params->hash_name);
- log_dbg("Cipher: %s%s%s%s%s-%s",
- params->cipher[0],
- params->cipher[1] ? "-" : "", params->cipher[1] ?: "",
- params->cipher[2] ? "-" : "", params->cipher[2] ?: "",
- params->mode);
+ log_dbg("Cipher: %s-%s", params->cipher, params->mode);
}
static int hdr_from_disk(struct tcrypt_phdr *hdr,
struct crypt_params_tcrypt *params,
int kdf_index, int cipher_index)
{
+ char cipher_name[MAX_CIPHER_LEN * 4];
uint32_t crc32;
size_t size;
params->hash_name = tcrypt_kdf[kdf_index].hash;
- params->cipher[0] = tcrypt_cipher[cipher_index].cipher[0];
- params->cipher[1] = tcrypt_cipher[cipher_index].cipher[1];
- params->cipher[2] = tcrypt_cipher[cipher_index].cipher[2];
- params->mode = tcrypt_cipher[cipher_index].mode;
- params->key_size = tcrypt_cipher[cipher_index].key_size;
+ params->key_size = tcrypt_cipher[cipher_index].cipher[0].key_size;
+ strncpy(cipher_name, tcrypt_cipher[cipher_index].cipher[0].name,
+ sizeof(cipher_name));
+
+ if (tcrypt_cipher[cipher_index].cipher[1].name) {
+ strcat(cipher_name, "-");
+ strncat(cipher_name, tcrypt_cipher[cipher_index].cipher[1].name,
+ MAX_CIPHER_LEN);
+ params->key_size += tcrypt_cipher[cipher_index].cipher[1].key_size;
+ }
+
+ if (tcrypt_cipher[cipher_index].cipher[2].name) {
+ strcat(cipher_name, "-");
+ strncat(cipher_name, tcrypt_cipher[cipher_index].cipher[2].name,
+ MAX_CIPHER_LEN);
+ params->key_size += tcrypt_cipher[cipher_index].cipher[2].key_size;
+ }
+
+ params->cipher = strdup(cipher_name);
+ params->mode = strdup(tcrypt_cipher[cipher_index].mode);
return 0;
}
static int decrypt_hdr_one(const char *name, const char *mode,
const char *key, size_t key_size,
- struct tcrypt_phdr *hdr)
+ size_t iv_size, struct tcrypt_phdr *hdr)
{
char iv[TCRYPT_HDR_IV_LEN] = {};
char mode_name[MAX_CIPHER_LEN];
struct crypt_cipher *cipher;
- void *buf = &hdr->e;
- char *c;
+ char *c, *buf = (char*)&hdr->e;
int r;
/* Remove IV if present */
*c = '\0';
if (!strncmp(mode, "lrw", 3))
- iv[15] = 1;
+ iv[iv_size - 1] = 1;
+ else if (!strncmp(mode, "cbc", 3))
+ memcpy(iv, &key[key_size], iv_size);
r = crypt_cipher_init(&cipher, name, mode_name, key, key_size);
if (r < 0)
return r;
- r = crypt_cipher_decrypt(cipher, buf, buf, TCRYPT_HDR_LEN,
- iv, TCRYPT_HDR_IV_LEN);
+ r = crypt_cipher_decrypt(cipher, buf, buf, TCRYPT_HDR_LEN, iv, iv_size);
crypt_cipher_destroy(cipher);
return r;
ks -= TCRYPT_LRW_IKEY_LEN;
memcpy(out_key, &key[ks * ki], ks);
memcpy(&out_key[ks * ki], key, TCRYPT_LRW_IKEY_LEN);
+ } else if (!strncmp(mode, "cbc", 3)) {
+ ki++;
+ memcpy(out_key, &key[ki * 32], ks);
+ memcpy(&out_key[ks], key, 32);
}
}
-static int top_cipher(const char *cipher[3])
+/*
+ * For chanined ciphers and CBC mode we need "inner" decryption.
+ * Backend doesn't provide this, so implement it here directly using ECB.
+ */
+static int decrypt_hdr_cbci(struct tcrypt_alg ciphers[3],
+ const char *key, struct tcrypt_phdr *hdr)
{
- if (cipher[2])
+ struct crypt_cipher *cipher[3] = {};
+ int bs = ciphers[0].iv_size;
+ char *buf = (char*)&hdr->e, iv[bs], iv_old[bs];
+ int i, j, r;
+
+ memcpy(iv, key, bs);
+
+ /* Initialize all ciphers in chain in ECB mode */
+ for (j = 0; j < 3; j++) {
+ if (!ciphers[j].name)
+ continue;
+ r = crypt_cipher_init(&cipher[j], ciphers[j].name, "ecb",
+ &key[(j+1)*32], ciphers[j].key_size);
+ if (r < 0)
+ goto out;
+ }
+
+ /* Implements CBC with chained ciphers in inner loop */
+ for (i = 0; i < TCRYPT_HDR_LEN; i += bs) {
+ memcpy(iv_old, &buf[i], bs);
+ for (j = 2; j >= 0; j--) {
+ if (!cipher[j])
+ continue;
+ r = crypt_cipher_decrypt(cipher[j], &buf[i], &buf[i],
+ bs, NULL, 0);
+ if (r < 0)
+ goto out;
+ }
+ for (j = 0; j < bs; j++)
+ buf[i + j] ^= iv[j];
+ memcpy(iv, iv_old, bs);
+ }
+out:
+ for (j = 0; j < 3; j++)
+ if (cipher[j])
+ crypt_cipher_destroy(cipher[j]);
+
+ return r;
+}
+
+static int top_cipher(struct tcrypt_alg cipher[3])
+{
+ if (cipher[2].name)
return 2;
- if (cipher[1])
+ if (cipher[1].name)
return 1;
return 0;
}
static int decrypt_hdr(struct crypt_device *cd, struct tcrypt_phdr *hdr,
- const char *key)
+ const char *key, int legacy_modes)
{
char one_key[TCRYPT_HDR_KEY_LEN];
struct tcrypt_phdr hdr2;
int i, j, r;
- for (i = 0; tcrypt_cipher[i].cipher[0]; i++) {
+ for (i = 0; tcrypt_cipher[i].cipher[0].name; i++) {
+ if (!legacy_modes && tcrypt_cipher[i].legacy)
+ continue;
log_dbg("TCRYPT: trying cipher: %s%s%s%s%s-%s.",
- tcrypt_cipher[i].cipher[0],
- tcrypt_cipher[i].cipher[1] ? "-" : "", tcrypt_cipher[i].cipher[1] ?: "",
- tcrypt_cipher[i].cipher[2] ? "-" : "", tcrypt_cipher[i].cipher[2] ?: "",
+ tcrypt_cipher[i].cipher[0].name,
+ tcrypt_cipher[i].cipher[1].name ? "-" : "", tcrypt_cipher[i].cipher[1].name ?: "",
+ tcrypt_cipher[i].cipher[2].name ? "-" : "", tcrypt_cipher[i].cipher[2].name ?: "",
tcrypt_cipher[i].mode);
memcpy(&hdr2.e, &hdr->e, TCRYPT_HDR_LEN);
- for (j = 2; j >= 0 ; j--) {
- if (!tcrypt_cipher[i].cipher[j])
+ /* Remove CBC whitening */
+ if (!strncmp(tcrypt_cipher[i].mode, "cbc", 3)) {
+ char *buf = (char*)&hdr2.e;
+ for (j = 0; j < TCRYPT_HDR_LEN; j++)
+ buf[j] ^= key[8 + j % 8];
+ }
+
+ /* For chained (inner) CBC we do not have API support */
+ if (!strncmp(tcrypt_cipher[i].mode, "cbci", 4))
+ r = decrypt_hdr_cbci(tcrypt_cipher[i].cipher, key, &hdr2);
+ else for (j = 2; j >= 0 ; j--) {
+ if (!tcrypt_cipher[i].cipher[j].name)
continue;
copy_key(one_key, key, top_cipher(tcrypt_cipher[i].cipher),
- tcrypt_cipher[i].key_size,
+ tcrypt_cipher[i].cipher[j].key_size,
j, tcrypt_cipher[i].mode);
- r = decrypt_hdr_one(tcrypt_cipher[i].cipher[j],
+ r = decrypt_hdr_one(tcrypt_cipher[i].cipher[j].name,
tcrypt_cipher[i].mode, one_key,
- tcrypt_cipher[i].key_size, &hdr2);
- if (r < 0)
+ tcrypt_cipher[i].cipher[j].key_size,
+ tcrypt_cipher[i].cipher[j].iv_size, &hdr2);
+ if (r < 0) {
+ log_dbg("Error %s.", tcrypt_cipher[i].cipher[j].name);
break;
+ }
}
if (!strncmp(hdr2.d.magic, TCRYPT_HDR_MAGIC, TCRYPT_HDR_MAGIC_LEN)) {
unsigned char pwd[TCRYPT_KEY_POOL_LEN] = {};
size_t passphrase_size;
char *key;
- int r, i;
+ int r, i, legacy_modes;
if (posix_memalign((void*)&key, crypt_getpagesize(), TCRYPT_HDR_KEY_LEN))
return -ENOMEM;
for (i = 0; i < params->passphrase_size; i++)
pwd[i] += params->passphrase[i];
+ legacy_modes = params->flags & CRYPT_TCRYPT_LEGACY_MODES ? 1 : 0;
for (i = 0; tcrypt_kdf[i].name; i++) {
+ if (!legacy_modes && tcrypt_kdf[i].legacy)
+ continue;
/* Derive header key */
log_dbg("TCRYPT: trying KDF: %s-%s-%d.",
tcrypt_kdf[i].name, tcrypt_kdf[i].hash, tcrypt_kdf[i].iterations);
break;
/* Decrypt header */
- r = decrypt_hdr(cd, hdr, key);
+ r = decrypt_hdr(cd, hdr, key, legacy_modes);
if (r != -EPERM)
break;
}
{
char cipher[MAX_CIPHER_LEN], dm_name[PATH_MAX], dm_dev_name[PATH_MAX];
struct device *device = NULL;
- int i, r;
+ int i, r, num_ciphers;
+ char cname[3][MAX_CIPHER_LEN];
struct crypt_dm_active_device dmd = {
.target = DM_CRYPT,
.size = 0,
}
};
+ if (!hdr->d.version) {
+ log_dbg("TCRYPT: this function is not supported without encrypted header load.");
+ return -ENOTSUP;
+ }
+
+ if (hdr->d.sector_size && hdr->d.sector_size != SECTOR_SIZE) {
+ log_err(cd, _("Activation is not supported for %d sector size.\n"),
+ hdr->d.sector_size);
+ return -ENOTSUP;
+ }
+
+ if (strstr(params->mode, "-tcrypt")) {
+ log_err(cd, _("Kernel doesn't support activation for this TCRYPT legacy mode.\n"));
+ return -ENOTSUP;
+ }
+
r = device_block_adjust(cd, dmd.data_device, DEV_EXCL,
dmd.u.crypt.offset, &dmd.size, &dmd.flags);
if (r)
return r;
- dmd.u.crypt.vk = crypt_alloc_volume_key(params->key_size, NULL);
+ /* Parse cipher chain from c1[-c2[-c3]] */
+ cname[0][0] = cname[1][0] = cname[2][0] = '\0';
+ num_ciphers = sscanf(params->cipher, "%" MAX_CIPHER_LEN_STR "[^-]-%"
+ MAX_CIPHER_LEN_STR "[^-]-%"
+ MAX_CIPHER_LEN_STR "s",
+ cname[0], cname[1], cname[2]);
+ if (num_ciphers < 1)
+ return -EINVAL;
+
+ /* Frome here, key size for every cipher must be the same */
+ dmd.u.crypt.vk = crypt_alloc_volume_key(params->key_size / num_ciphers, NULL);
if (!dmd.u.crypt.vk)
return -ENOMEM;
for (i = 2; i >= 0; i--) {
- if (!params->cipher[i])
+ if (!cname[i][0])
continue;
if (i == 0) {
}
snprintf(cipher, sizeof(cipher), "%s-%s",
- params->cipher[i], params->mode);
- copy_key(dmd.u.crypt.vk->key, hdr->d.keys,
- top_cipher(params->cipher),
- params->key_size, i, params->mode);
+ cname[i], params->mode);
+ copy_key(dmd.u.crypt.vk->key, hdr->d.keys, num_ciphers - 1,
+ params->key_size / num_ciphers, i, params->mode);
- if (top_cipher(params->cipher) != i) {
+ if ((num_ciphers -1) != i) {
snprintf(dm_dev_name, sizeof(dm_dev_name), "%s/%s_%d",
dm_get_dir(), name, i + 1);
r = device_alloc(&device, dm_dev_name);
crypt_free_volume_key(dmd.u.crypt.vk);
return r;
}
+
+static int remove_one(struct crypt_device *cd, const char *name,
+ const char *base_uuid, int index)
+{
+ struct crypt_dm_active_device dmd = {};
+ char dm_name[PATH_MAX];
+ int r;
+
+ if (snprintf(dm_name, sizeof(dm_name), "%s_%d", name, index) < 0)
+ return -ENOMEM;
+
+ r = dm_status_device(cd, dm_name);
+ if (r < 0)
+ return r;
+
+ r = dm_query_device(cd, dm_name, DM_ACTIVE_UUID, &dmd);
+ if (!r && !strncmp(dmd.uuid, base_uuid, strlen(base_uuid)))
+ r = dm_remove_device(cd, dm_name, 0, 0);
+
+ free(CONST_CAST(void*)dmd.uuid);
+ return r;
+}
+
+int TCRYPT_deactivate(struct crypt_device *cd, const char *name)
+{
+ struct crypt_dm_active_device dmd = {};
+ int r;
+
+ r = dm_query_device(cd, name, DM_ACTIVE_UUID, &dmd);
+ if (r < 0)
+ return r;
+ if (!dmd.uuid)
+ return -EINVAL;
+
+ r = dm_remove_device(cd, name, 0, 0);
+ if (r < 0)
+ goto out;
+
+ r = remove_one(cd, name, dmd.uuid, 1);
+ if (r < 0)
+ goto out;
+
+ r = remove_one(cd, name, dmd.uuid, 2);
+ if (r < 0)
+ goto out;
+out:
+ free(CONST_CAST(void*)dmd.uuid);
+ return (r == -ENODEV) ? 0 : r;
+}
+
+static int status_one(struct crypt_device *cd, const char *name,
+ const char *base_uuid, int index,
+ size_t *key_size, char *cipher, uint64_t *data_offset,
+ struct device **device)
+{
+ struct crypt_dm_active_device dmd = {};
+ char dm_name[PATH_MAX], *c;
+ int r;
+
+ if (snprintf(dm_name, sizeof(dm_name), "%s_%d", name, index) < 0)
+ return -ENOMEM;
+
+ r = dm_status_device(cd, dm_name);
+ if (r < 0)
+ return r;
+
+ r = dm_query_device(cd, dm_name, DM_ACTIVE_DEVICE |
+ DM_ACTIVE_UUID |
+ DM_ACTIVE_CRYPT_CIPHER |
+ DM_ACTIVE_CRYPT_KEYSIZE, &dmd);
+ if (r > 0)
+ r = 0;
+ if (!r && !strncmp(dmd.uuid, base_uuid, strlen(base_uuid))) {
+ if ((c = strchr(dmd.u.crypt.cipher, '-')))
+ *c = '\0';
+ strcat(cipher, "-");
+ strncat(cipher, dmd.u.crypt.cipher, MAX_CIPHER_LEN);
+ *key_size += dmd.u.crypt.vk->keylength;
+ *data_offset = dmd.u.crypt.offset * SECTOR_SIZE;
+ device_free(*device);
+ *device = dmd.data_device;
+ } else {
+ device_free(dmd.data_device);
+ r = -ENODEV;
+ }
+
+ free(CONST_CAST(void*)dmd.uuid);
+ free(CONST_CAST(void*)dmd.u.crypt.cipher);
+ crypt_free_volume_key(dmd.u.crypt.vk);
+ return r;
+}
+
+int TCRYPT_init_by_name(struct crypt_device *cd, const char *name,
+ const struct crypt_dm_active_device *dmd,
+ struct device **device,
+ struct crypt_params_tcrypt *tcrypt_params,
+ struct tcrypt_phdr *tcrypt_hdr)
+{
+ char cipher[MAX_CIPHER_LEN * 4], *mode;
+
+ memset(tcrypt_params, 0, sizeof(*tcrypt_params));
+ memset(tcrypt_hdr, 0, sizeof(*tcrypt_hdr));
+ tcrypt_hdr->d.sector_size = SECTOR_SIZE;
+ tcrypt_hdr->d.mk_offset = dmd->u.crypt.offset * SECTOR_SIZE;
+
+ strncpy(cipher, dmd->u.crypt.cipher, MAX_CIPHER_LEN);
+
+ if ((mode = strchr(cipher, '-'))) {
+ *mode = '\0';
+ tcrypt_params->mode = strdup(++mode);
+ }
+ tcrypt_params->key_size = dmd->u.crypt.vk->keylength;
+
+ if (!status_one(cd, name, dmd->uuid, 1, &tcrypt_params->key_size,
+ cipher, &tcrypt_hdr->d.mk_offset, device))
+ status_one(cd, name, dmd->uuid, 2, &tcrypt_params->key_size,
+ cipher, &tcrypt_hdr->d.mk_offset, device);
+
+ tcrypt_params->cipher = strdup(cipher);
+ return 0;
+}
+
+uint64_t TCRYPT_get_data_offset(struct tcrypt_phdr *hdr)
+{
+ // FIXME: system vol.
+ if (!hdr->d.mk_offset)
+ return 1;
+ return (hdr->d.mk_offset / hdr->d.sector_size);
+}
+
+uint64_t TCRYPT_get_iv_offset(struct tcrypt_phdr *hdr)
+{
+ if (!hdr->d.mk_offset)
+ return 0;
+ return (hdr->d.mk_offset / hdr->d.sector_size);
+}
+
+int TCRYPT_get_volume_key(struct crypt_device *cd,
+ struct tcrypt_phdr *hdr,
+ struct crypt_params_tcrypt *params,
+ struct volume_key **vk)
+{
+ int i, num_keys = 1, key_size;
+ const char *c;
+
+ if (!hdr->d.version) {
+ log_dbg("TCRYPT: this function is not supported without encrypted header load.");
+ return -ENOTSUP;
+ }
+
+ *vk = crypt_alloc_volume_key(params->key_size, NULL);
+ if (!*vk)
+ return -ENOMEM;
+
+ for (num_keys = 0, c = params->cipher; c ; num_keys++)
+ c = strchr(++c, '-');
+
+ key_size = params->key_size / num_keys;
+
+ for (i = 0; i < num_keys; i++)
+ copy_key(&(*vk)->key[key_size * i], hdr->d.keys, num_keys - 1,
+ key_size, i, params->mode);
+
+ return 0;
+}
+
+int TCRYPT_dump(struct crypt_device *cd,
+ struct tcrypt_phdr *hdr,
+ struct crypt_params_tcrypt *params)
+{
+ log_std(cd, "TCRYPT header information for %s\n",
+ device_path(crypt_metadata_device(cd)));
+ if (hdr->d.version) {
+ log_std(cd, "Version: \t%d\n", hdr->d.version);
+ log_std(cd, "Driver req.:\t%d\n", hdr->d.version_tc);
+
+ log_std(cd, "Sector size:\t%" PRIu32 "\n", hdr->d.sector_size);
+ log_std(cd, "MK offset:\t%" PRIu64 "\n", hdr->d.mk_offset);
+ log_std(cd, "PBKDF2 hash:\t%s\n", params->hash_name);
+ }
+ log_std(cd, "Cipher chain:\t%s\n", params->cipher);
+ log_std(cd, "Cipher mode:\t%s\n", params->mode);
+ log_std(cd, "MK bits: \t%d\n", params->key_size * 8);
+ return 0;
+}
projects / platform / upstream / cryptsetup.git / blobdiff