180 struct salt {  struct
181 	unsigned char *salt;  argument
187 struct salt *salt_list;  argument
192 static struct salt *find_by_salt(unsigned char *salt, size_t salt_len)  in find_by_salt()  argument
195 	struct salt *p;  in find_by_salt()
199 		    !memcmp(p->salt, salt, salt_len))  in find_by_salt()
204 static void add_salt(unsigned char *salt, size_t salt_len)  in add_salt()  argument
206 	if (find_by_salt(salt, salt_len))  in add_salt()
210 		salt_list = realloc(salt_list, max_salt * sizeof(struct salt));  in add_salt()
216 	salt_list[num_salt].salt = salt;  in add_salt()
224 		memset(salt_list, 0, sizeof(struct salt) * max_salt);  in clear_secrets()
347 static void set_policy(struct salt *set_salt, int pad,  in set_policy()
350 	struct salt *salt;  in set_policy()  local
370 			salt = set_salt;  in set_policy()
377 			salt = find_by_salt(uu, sizeof(uu));  in set_policy()
378 			if (!salt) {  in set_policy()
389 		memcpy(policy.master_key_descriptor, salt->key_desc,  in set_policy()
397 			       strerror(errno), salt->key_ref_str, argv[x]);  in set_policy()
401 		       salt->key_ref_str, argv[x]);  in set_policy()
405 static void pbkdf2_sha512(const char *passphrase, struct salt *salt,  in pbkdf2_sha512()  argument
425 	if (salt->salt_len > EXT4_MAX_SALT_SIZE) {  in pbkdf2_sha512()
426 		printf("Salt size is %zd; max is %d.\n", salt->salt_len,  in pbkdf2_sha512()
432 	memcpy(saltbuf, salt->salt, salt->salt_len);  in pbkdf2_sha512()
530 static void generate_key_ref_str(struct salt *salt)  in generate_key_ref_str()  argument
536 	ext2fs_sha512(salt->key, EXT4_MAX_KEY_SIZE, key_ref1);  in generate_key_ref_str()
538 	memcpy(salt->key_desc, key_ref2, EXT4_KEY_DESCRIPTOR_SIZE);  in generate_key_ref_str()
540 		sprintf(&salt->key_ref_str[x * 2], "%02x",  in generate_key_ref_str()
541 			salt->key_desc[x]);  in generate_key_ref_str()
543 	salt->key_ref_str[EXT4_KEY_REF_STR_BUF_SIZE - 1] = '\0';  in generate_key_ref_str()
546 static void insert_key_into_keyring(const char *keyring, struct salt *salt)  in insert_key_into_keyring()  argument
559 		salt->key_ref_str);  in insert_key_into_keyring()
565 			       salt->key_ref_str);  in insert_key_into_keyring()
574 	memcpy(key.raw, salt->key, EXT4_MAX_KEY_SIZE);  in insert_key_into_keyring()
604 			       "%s\n", salt->key_ref_str, strerror(errno));  in insert_key_into_keyring()
610 			       salt->key_ref_str);  in insert_key_into_keyring()
654 	struct salt *salt;  in do_add_key()  local
699 	for (j = 0, salt = salt_list; j < num_salt; j++, salt++) {  in do_add_key()
700 		pbkdf2_sha512(in_passphrase, salt,  in do_add_key()
701 			      EXT4_PBKDF2_ITERATIONS, salt->key);  in do_add_key()
702 		generate_key_ref_str(salt);  in do_add_key()
703 		insert_key_into_keyring(keyring, salt);  in do_add_key()
722 	struct salt saltbuf;  in do_set_policy()