diff --git a/tools/cert_create/include/dualroot/cot.h b/tools/cert_create/include/dualroot/cot.h
index 47e371f..1d959d4 100644
--- a/tools/cert_create/include/dualroot/cot.h
+++ b/tools/cert_create/include/dualroot/cot.h
@@ -32,6 +32,7 @@
 	TRUSTED_BOOT_FW_HASH_EXT,
 	TRUSTED_BOOT_FW_CONFIG_HASH_EXT,
 	HW_CONFIG_HASH_EXT,
+	FW_CONFIG_HASH_EXT,
 	TRUSTED_WORLD_PK_EXT,
 	SCP_FW_CONTENT_CERT_PK_EXT,
 	SCP_FW_HASH_EXT,
diff --git a/tools/cert_create/include/tbbr/tbb_ext.h b/tools/cert_create/include/tbbr/tbb_ext.h
index 7ac97a5..692b2d4 100644
--- a/tools/cert_create/include/tbbr/tbb_ext.h
+++ b/tools/cert_create/include/tbbr/tbb_ext.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -15,6 +15,7 @@
 	TRUSTED_BOOT_FW_HASH_EXT,
 	TRUSTED_BOOT_FW_CONFIG_HASH_EXT,
 	HW_CONFIG_HASH_EXT,
+	FW_CONFIG_HASH_EXT,
 	TRUSTED_WORLD_PK_EXT,
 	NON_TRUSTED_WORLD_PK_EXT,
 	SCP_FW_CONTENT_CERT_PK_EXT,
diff --git a/tools/cert_create/src/dualroot/cot.c b/tools/cert_create/src/dualroot/cot.c
index 2965828..a12ea21 100644
--- a/tools/cert_create/src/dualroot/cot.c
+++ b/tools/cert_create/src/dualroot/cot.c
@@ -30,9 +30,10 @@
 			TRUSTED_FW_NVCOUNTER_EXT,
 			TRUSTED_BOOT_FW_HASH_EXT,
 			TRUSTED_BOOT_FW_CONFIG_HASH_EXT,
-			HW_CONFIG_HASH_EXT
+			HW_CONFIG_HASH_EXT,
+			FW_CONFIG_HASH_EXT
 		},
-		.num_ext = 4
+		.num_ext = 5
 	},
 
 	[TRUSTED_KEY_CERT] = {
@@ -239,6 +240,17 @@
 		.optional = 1
 	},
 
+	[FW_CONFIG_HASH_EXT] = {
+		.oid = FW_CONFIG_HASH_OID,
+		.opt = "fw-config",
+		.help_msg = "Firmware Config file",
+		.sn = "FirmwareConfigHash",
+		.ln = "Firmware Config hash",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH,
+		.optional = 1
+	},
+
 	[TRUSTED_WORLD_PK_EXT] = {
 		.oid = TRUSTED_WORLD_PK_OID,
 		.sn = "TrustedWorldPublicKey",
diff --git a/tools/cert_create/src/tbbr/tbb_cert.c b/tools/cert_create/src/tbbr/tbb_cert.c
index b614e2e..f4fe63d 100644
--- a/tools/cert_create/src/tbbr/tbb_cert.c
+++ b/tools/cert_create/src/tbbr/tbb_cert.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -28,9 +28,10 @@
 			TRUSTED_FW_NVCOUNTER_EXT,
 			TRUSTED_BOOT_FW_HASH_EXT,
 			TRUSTED_BOOT_FW_CONFIG_HASH_EXT,
-			HW_CONFIG_HASH_EXT
+			HW_CONFIG_HASH_EXT,
+			FW_CONFIG_HASH_EXT
 		},
-		.num_ext = 4
+		.num_ext = 5
 	},
 	[TRUSTED_KEY_CERT] = {
 		.id = TRUSTED_KEY_CERT,
diff --git a/tools/cert_create/src/tbbr/tbb_ext.c b/tools/cert_create/src/tbbr/tbb_ext.c
index 0068d3b..60bafb4 100644
--- a/tools/cert_create/src/tbbr/tbb_ext.c
+++ b/tools/cert_create/src/tbbr/tbb_ext.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -69,6 +69,16 @@
 		.type = EXT_TYPE_HASH,
 		.optional = 1
 	},
+	[FW_CONFIG_HASH_EXT] = {
+		.oid = FW_CONFIG_HASH_OID,
+		.opt = "fw-config",
+		.help_msg = "Firmware Config file",
+		.sn = "FirmwareConfigHash",
+		.ln = "Firmware Config hash",
+		.asn1_type = V_ASN1_OCTET_STRING,
+		.type = EXT_TYPE_HASH,
+		.optional = 1
+	},
 	[TRUSTED_WORLD_PK_EXT] = {
 		.oid = TRUSTED_WORLD_PK_OID,
 		.sn = "TrustedWorldPublicKey",