diff --git a/tools/nxp/cert_create_helper/src/pdef_tbb_ext.c b/tools/nxp/cert_create_helper/src/pdef_tbb_ext.c
new file mode 100644
index 0000000..f6da6dd
--- /dev/null
+++ b/tools/nxp/cert_create_helper/src/pdef_tbb_ext.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <openssl/err.h>
+#include <openssl/x509v3.h>
+
+#if USE_TBBR_DEFS
+#include <tbbr_oid.h>
+#else
+#include <platform_oid.h>
+#endif
+
+#include "ext.h"
+#include "tbbr/tbb_ext.h"
+#include "tbbr/tbb_key.h"
+
+#include <pdef_tbb_ext.h>
+#include <pdef_tbb_key.h>
+
+static ext_t pdef_tbb_ext[] = {
+	[DDR_FW_CONTENT_CERT_PK_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_FW_CONTENT_CERT_PK_OID,
+		.sn = "DDR FirmwareContentCertPK",
+		.ln = "DDR Firmware content certificate public key",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_PKEY,
+		.attr.key = DDR_FW_CONTENT_KEY
+	},
+	[DDR_IMEM_UDIMM_1D_HASH_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_IMEM_UDIMM_1D_HASH_OID,
+		.opt = "ddr-immem-udimm-1d",
+		.help_msg = "DDR Firmware IMEM UDIMM 1D image file",
+		.sn = "DDR UDIMM IMEM 1D FirmwareHash",
+		.ln = "DDR UDIMM IMEM 1D Firmware hash (SHA256)",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH
+	},
+	[DDR_IMEM_UDIMM_2D_HASH_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_IMEM_UDIMM_2D_HASH_OID,
+		.opt = "ddr-immem-udimm-2d",
+		.help_msg = "DDR Firmware IMEM UDIMM 2D image file",
+		.sn = "DDR UDIMM IMEM 2D FirmwareHash",
+		.ln = "DDR UDIMM IMEM 2D Firmware hash (SHA256)",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH
+	},
+	[DDR_DMEM_UDIMM_1D_HASH_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_DMEM_UDIMM_1D_HASH_OID,
+		.opt = "ddr-dmmem-udimm-1d",
+		.help_msg = "DDR Firmware DMEM UDIMM 1D image file",
+		.sn = "DDR UDIMM DMEM 1D FirmwareHash",
+		.ln = "DDR UDIMM DMEM 1D Firmware hash (SHA256)",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH
+	},
+	[DDR_DMEM_UDIMM_2D_HASH_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_DMEM_UDIMM_2D_HASH_OID,
+		.opt = "ddr-dmmem-udimm-2d",
+		.help_msg = "DDR Firmware DMEM UDIMM 2D image file",
+		.sn = "DDR UDIMM DMEM 2D FirmwareHash",
+		.ln = "DDR UDIMM DMEM 2D Firmware hash (SHA256)",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH
+	},
+	[DDR_IMEM_RDIMM_1D_HASH_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_IMEM_RDIMM_1D_HASH_OID,
+		.opt = "ddr-immem-rdimm-1d",
+		.help_msg = "DDR Firmware IMEM RDIMM 1D image file",
+		.sn = "DDR RDIMM IMEM 1D FirmwareHash",
+		.ln = "DDR RDIMM IMEM 1D Firmware hash (SHA256)",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH
+	},
+	[DDR_IMEM_RDIMM_2D_HASH_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_IMEM_RDIMM_2D_HASH_OID,
+		.opt = "ddr-immem-rdimm-2d",
+		.help_msg = "DDR Firmware IMEM RDIMM 2D image file",
+		.sn = "DDR RDIMM IMEM 2D FirmwareHash",
+		.ln = "DDR RDIMM IMEM 2D Firmware hash (SHA256)",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH
+	},
+	[DDR_DMEM_RDIMM_1D_HASH_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_DMEM_RDIMM_1D_HASH_OID,
+		.opt = "ddr-dmmem-rdimm-1d",
+		.help_msg = "DDR Firmware DMEM RDIMM 1D image file",
+		.sn = "DDR RDIMM DMEM 1D FirmwareHash",
+		.ln = "DDR RDIMM DMEM 1D Firmware hash (SHA256)",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH
+	},
+	[DDR_DMEM_RDIMM_2D_HASH_EXT - DDR_FW_CONTENT_CERT_PK_EXT] = {
+		.oid = DDR_DMEM_RDIMM_2D_HASH_OID,
+		.opt = "ddr-dmmem-rdimm-2d",
+		.help_msg = "DDR Firmware DMEM RDIMM 2D image file",
+		.sn = "DDR RDIMM DMEM 2D FirmwareHash",
+		.ln = "DDR RDIMM DMEM 2D Firmware hash (SHA256)",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH
+	}
+};
+
+PLAT_REGISTER_EXTENSIONS(pdef_tbb_ext);