if ($mode == 0) {
	open(INFILE, "<$inFile") || die "Error opening source file for input! \n";
	open(CRYPTFILE, ">$cryptFile") || die "Error opening crypt file for output! \n";
	$cipher->start('encrypting');
	
	while (<INFILE>) {
		print CRYPTFILE $cipher->crypt($_);
	}

        print CRYPTFILE $cipher->finish;

close INFILE;
close CRYPTFILE;