181 struct salt {  struct
182 	unsigned char *salt;  member
188 struct salt *salt_list;  argument
193 static struct salt *find_by_salt(unsigned char *salt, size_t salt_len)  in find_by_salt()  argument
196 	struct salt *p;  in find_by_salt()
200 		    !memcmp(p->salt, salt, salt_len))  in find_by_salt()
205 static void add_salt(unsigned char *salt, size_t salt_len)  in add_salt()  argument
207 	if (find_by_salt(salt, salt_len))  in add_salt()
211 		salt_list = realloc(salt_list, max_salt * sizeof(struct salt));  in add_salt()
217 	salt_list[num_salt].salt = salt;  in add_salt()
225 		memset(salt_list, 0, sizeof(struct salt) * max_salt);  in clear_secrets()
348 static void set_policy(struct salt *set_salt, int pad,  in set_policy()
351 	struct salt *salt;  in set_policy()  local
371 			salt = set_salt;  in set_policy()
378 			salt = find_by_salt(uu, sizeof(uu));  in set_policy()
379 			if (!salt) {  in set_policy()
390 		memcpy(policy.master_key_descriptor, salt->key_desc,  in set_policy()
398 			       strerror(errno), salt->key_ref_str, argv[x]);  in set_policy()
402 		       salt->key_ref_str, argv[x]);  in set_policy()
406 static void pbkdf2_sha512(const char *passphrase, struct salt *salt,  in pbkdf2_sha512()  argument
426 	if (salt->salt_len > EXT4_MAX_SALT_SIZE) {  in pbkdf2_sha512()
427 		printf("Salt size is %zd; max is %d.\n", salt->salt_len,  in pbkdf2_sha512()
433 	memcpy(saltbuf, salt->salt, salt->salt_len);  in pbkdf2_sha512()
531 static void generate_key_ref_str(struct salt *salt)  in generate_key_ref_str()  argument
537 	ext2fs_sha512(salt->key, EXT4_MAX_KEY_SIZE, key_ref1);  in generate_key_ref_str()
539 	memcpy(salt->key_desc, key_ref2, EXT4_KEY_DESCRIPTOR_SIZE);  in generate_key_ref_str()
541 		sprintf(&salt->key_ref_str[x * 2], "%02x",  in generate_key_ref_str()
542 			salt->key_desc[x]);  in generate_key_ref_str()
544 	salt->key_ref_str[EXT4_KEY_REF_STR_BUF_SIZE - 1] = '\0';  in generate_key_ref_str()
547 static void insert_key_into_keyring(const char *keyring, struct salt *salt)  in insert_key_into_keyring()  argument
560 		salt->key_ref_str);  in insert_key_into_keyring()
566 			       salt->key_ref_str);  in insert_key_into_keyring()
575 	memcpy(key.raw, salt->key, EXT4_MAX_KEY_SIZE);  in insert_key_into_keyring()
605 			       "%s\n", salt->key_ref_str, strerror(errno));  in insert_key_into_keyring()
611 			       salt->key_ref_str);  in insert_key_into_keyring()
655 	struct salt *salt;  in do_add_key()  local
707 	for (j = 0, salt = salt_list; j < num_salt; j++, salt++) {  in do_add_key()
708 		pbkdf2_sha512(in_passphrase, salt,  in do_add_key()
709 			      EXT4_PBKDF2_ITERATIONS, salt->key);  in do_add_key()
710 		generate_key_ref_str(salt);  in do_add_key()
711 		insert_key_into_keyring(keyring, salt);  in do_add_key()
714 		salt = explicit_salt ? salt_list : NULL;  in do_add_key()
715 		set_policy(salt, pad, argc, argv, optind);  in do_add_key()
732 	struct salt saltbuf;  in do_set_policy()