diff --git a/tools/nxp/cert_create_helper/src/pdef_tbb_cert.c b/tools/nxp/cert_create_helper/src/pdef_tbb_cert.c
new file mode 100644
index 0000000..40bd928
--- /dev/null
+++ b/tools/nxp/cert_create_helper/src/pdef_tbb_cert.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <pdef_tbb_cert.h>
+#include <pdef_tbb_ext.h>
+#include <pdef_tbb_key.h>
+
+static cert_t pdef_tbb_certs[] = {
+	[DDR_FW_KEY_CERT - DDR_FW_KEY_CERT] = {
+		.id = DDR_FW_KEY_CERT,
+		.opt = "ddr-fw-key-cert",
+		.help_msg = "DDR Firmware Key Certificate (output file)",
+		.fn = NULL,
+		.cn = "DDR Firmware Key Certificate",
+		.key = TRUSTED_WORLD_KEY,
+		.issuer = DDR_FW_KEY_CERT,
+		.ext = {
+			TRUSTED_FW_NVCOUNTER_EXT,
+			DDR_FW_CONTENT_CERT_PK_EXT,
+		},
+		.num_ext = 2
+	},
+	[DDR_UDIMM_FW_CONTENT_CERT - DDR_FW_KEY_CERT] = {
+		.id = DDR_UDIMM_FW_CONTENT_CERT,
+		.opt = "ddr-udimm-fw-cert",
+		.help_msg = "DDR UDIMM Firmware Content Certificate (output file)",
+		.fn = NULL,
+		.cn = "DDR UDIMM Firmware Content Certificate",
+		.key = DDR_FW_CONTENT_KEY,
+		.issuer = DDR_UDIMM_FW_CONTENT_CERT,
+		.ext = {
+			TRUSTED_FW_NVCOUNTER_EXT,
+			DDR_IMEM_UDIMM_1D_HASH_EXT,
+			DDR_IMEM_UDIMM_2D_HASH_EXT,
+			DDR_DMEM_UDIMM_1D_HASH_EXT,
+			DDR_DMEM_UDIMM_2D_HASH_EXT,
+		},
+		.num_ext = 5
+	},
+	[DDR_RDIMM_FW_CONTENT_CERT - DDR_FW_KEY_CERT] = {
+		.id = DDR_RDIMM_FW_CONTENT_CERT,
+		.opt = "ddr-rdimm-fw-cert",
+		.help_msg = "DDR RDIMM Firmware Content Certificate (output file)",
+		.fn = NULL,
+		.cn = "DDR RDIMM Firmware Content Certificate",
+		.key = DDR_FW_CONTENT_KEY,
+		.issuer = DDR_RDIMM_FW_CONTENT_CERT,
+		.ext = {
+			TRUSTED_FW_NVCOUNTER_EXT,
+			DDR_IMEM_RDIMM_1D_HASH_EXT,
+			DDR_IMEM_RDIMM_2D_HASH_EXT,
+			DDR_DMEM_RDIMM_1D_HASH_EXT,
+			DDR_DMEM_RDIMM_2D_HASH_EXT,
+		},
+		.num_ext = 5
+	}
+};
+
+PLAT_REGISTER_COT(pdef_tbb_certs);