1551 	char *tmp, *cipher, *chainmode, *ivmode, *ivopts, *keycount;  in crypt_ctr_cipher()  local
1590 	ivmode = strsep(&ivopts, ":");  in crypt_ctr_cipher()
1599 	if (!chainmode || (!strcmp(chainmode, "plain") && !ivmode)) {  in crypt_ctr_cipher()
1601 		ivmode = "plain";  in crypt_ctr_cipher()
1604 	if (strcmp(chainmode, "ecb") && !ivmode) {  in crypt_ctr_cipher()
1633 	else if (ivmode) {  in crypt_ctr_cipher()
1635 		ivmode = NULL;  in crypt_ctr_cipher()
1639 	if (ivmode == NULL)  in crypt_ctr_cipher()
1641 	else if (strcmp(ivmode, "plain") == 0)  in crypt_ctr_cipher()
1643 	else if (strcmp(ivmode, "plain64") == 0)  in crypt_ctr_cipher()
1645 	else if (strcmp(ivmode, "essiv") == 0)  in crypt_ctr_cipher()
1647 	else if (strcmp(ivmode, "benbi") == 0)  in crypt_ctr_cipher()
1649 	else if (strcmp(ivmode, "null") == 0)  in crypt_ctr_cipher()
1651 	else if (strcmp(ivmode, "lmk") == 0) {  in crypt_ctr_cipher()
1663 	} else if (strcmp(ivmode, "tcw") == 0) {  in crypt_ctr_cipher()