if (binary->len == 0) return SECSuccess;
btoa_file(SECItem *binary, PRFileDesc *outfile){	SECStatus status;	NSSBase64Encoder *cx;	SECItem ascii;	ascii.data = NULL; 	ascii.len = 0;	cx = NSSBase64Encoder_Create(output_ascii, outfile);	status = NSSBase64Encoder_Update(cx, binary->data, binary->len);	status = NSSBase64Encoder_Destroy(cx, PR_FALSE);	status = PR_Write(outfile, "\r\n", 2);	return status;}