diff --git a/tools/cert_create/src/cmd_opt.c b/tools/cert_create/src/cmd_opt.c
new file mode 100644
index 0000000..3847b98
--- /dev/null
+++ b/tools/cert_create/src/cmd_opt.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <getopt.h>
+#include <stddef.h>
+#include <cmd_opt.h>
+
+/* Command line options */
+static struct option long_opt[CMD_OPT_MAX_NUM+1];
+static int num_reg_opt;
+
+int cmd_opt_add(const char *name, int has_arg, int val)
+{
+	if (num_reg_opt >= CMD_OPT_MAX_NUM) {
+		return -1;
+	}
+	long_opt[num_reg_opt].name = name;
+	long_opt[num_reg_opt].has_arg = has_arg;
+	long_opt[num_reg_opt].flag = 0;
+	long_opt[num_reg_opt].val = val;
+	num_reg_opt++;
+
+	return 0;
+}
+
+const struct option *cmd_opt_get_array(void)
+{
+	return long_opt;
+}
+
+const char *cmd_opt_get_name(int idx)
+{
+	if (idx >= num_reg_opt) {
+		return NULL;
+	}
+
+	return long_opt[idx].name;
+}