} bc_dec_fpt;
#define BC_INIT_TYPE 0x01
-#define BC_INIT_TYPE_1 0x00
-#define BC_INIT_TYPE_2 0x01
+#define BC_INIT_TYPE_1 0x00 /* for fix keylength */
+#define BC_INIT_TYPE_2 0x01 /* keylength is passed as second parameter */
#define BC_ENC_TYPE 0x02
#define BC_ENC_TYPE_1 0x00