227 struct salt {  struct
228 	unsigned char *salt;  argument
234 struct salt *salt_list;  argument
239 static struct salt *find_by_salt(unsigned char *salt, size_t salt_len)  in find_by_salt()  argument
242 	struct salt *p;  in find_by_salt()
246 		    !memcmp(p->salt, salt, salt_len))  in find_by_salt()
251 static void add_salt(unsigned char *salt, size_t salt_len)  in add_salt()  argument
253 	if (find_by_salt(salt, salt_len))  in add_salt()
257 		salt_list = realloc(salt_list, max_salt * sizeof(struct salt));  in add_salt()
263 	salt_list[num_salt].salt = salt;  in add_salt()
271 		memset(salt_list, 0, sizeof(struct salt) * max_salt);  in clear_secrets()
393 static void set_policy(struct salt *set_salt, int pad,  in set_policy()
396 	struct salt *salt;  in set_policy()  local
416 			salt = set_salt;  in set_policy()
423 			salt = find_by_salt(uu, sizeof(uu));  in set_policy()
424 			if (!salt) {  in set_policy()
435 		memcpy(policy.master_key_descriptor, salt->key_desc,  in set_policy()
443 			       strerror(errno), salt->key_ref_str, argv[x]);  in set_policy()
447 		       salt->key_ref_str, argv[x]);  in set_policy()
451 static void pbkdf2_sha512(const char *passphrase, struct salt *salt,  in pbkdf2_sha512()  argument
471 	if (salt->salt_len > F2FS_MAX_SALT_SIZE) {  in pbkdf2_sha512()
472 		printf("Salt size is %zd; max is %d.\n", salt->salt_len,  in pbkdf2_sha512()
478 	memcpy(saltbuf, salt->salt, salt->salt_len);  in pbkdf2_sha512()
588 static void generate_key_ref_str(struct salt *salt)  in generate_key_ref_str()  argument
594 	f2fs_sha512(salt->key, F2FS_MAX_KEY_SIZE, key_ref1);  in generate_key_ref_str()
596 	memcpy(salt->key_desc, key_ref2, F2FS_KEY_DESCRIPTOR_SIZE);  in generate_key_ref_str()
598 		sprintf(&salt->key_ref_str[x * 2], "%02x",  in generate_key_ref_str()
599 			salt->key_desc[x]);  in generate_key_ref_str()
601 	salt->key_ref_str[F2FS_KEY_REF_STR_BUF_SIZE - 1] = '\0';  in generate_key_ref_str()
604 static void insert_key_into_keyring(const char *keyring, struct salt *salt)  in insert_key_into_keyring()  argument
617 		salt->key_ref_str);  in insert_key_into_keyring()
623 			       salt->key_ref_str);  in insert_key_into_keyring()
632 	memcpy(key.raw, salt->key, F2FS_MAX_KEY_SIZE);  in insert_key_into_keyring()
641 			       "%s\n", salt->key_ref_str, strerror(errno));  in insert_key_into_keyring()
647 			       salt->key_ref_str);  in insert_key_into_keyring()
691 	struct salt *salt;  in do_add_key()  local
734 	for (j = 0, salt = salt_list; j < num_salt; j++, salt++) {  in do_add_key()
735 		pbkdf2_sha512(in_passphrase, salt,  in do_add_key()
736 			      F2FS_PBKDF2_ITERATIONS, salt->key);  in do_add_key()
737 		generate_key_ref_str(salt);  in do_add_key()
738 		insert_key_into_keyring(keyring, salt);  in do_add_key()
757 	struct salt saltbuf;  in do_set_policy()