diff --git a/drivers/auth/mbedtls/mbedtls_common.mk b/drivers/auth/mbedtls/mbedtls_common.mk
index 044b368..564a4c9 100644
--- a/drivers/auth/mbedtls/mbedtls_common.mk
+++ b/drivers/auth/mbedtls/mbedtls_common.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -75,10 +75,19 @@
 
 ifeq (${HASH_ALG}, sha384)
     TF_MBEDTLS_HASH_ALG_ID	:=	TF_MBEDTLS_SHA384
+    MBEDTLS_MD_ID		:=	MBEDTLS_MD_SHA384
+    TPM_ALG_ID			:=	TPM_ALG_SHA384
+    TCG_DIGEST_SIZE		:=	48
 else ifeq (${HASH_ALG}, sha512)
-   TF_MBEDTLS_HASH_ALG_ID	:=	TF_MBEDTLS_SHA512
+    TF_MBEDTLS_HASH_ALG_ID	:=	TF_MBEDTLS_SHA512
+    MBEDTLS_MD_ID		:=	MBEDTLS_MD_SHA512
+    TPM_ALG_ID			:=	TPM_ALG_SHA512
+    TCG_DIGEST_SIZE		:=	64
 else
     TF_MBEDTLS_HASH_ALG_ID	:=	TF_MBEDTLS_SHA256
+    MBEDTLS_MD_ID		:=	MBEDTLS_MD_SHA256
+    TPM_ALG_ID			:=	TPM_ALG_SHA256
+    TCG_DIGEST_SIZE		:=	32
 endif
 
 ifeq (${TF_MBEDTLS_KEY_ALG},ecdsa)
@@ -103,6 +112,11 @@
 $(eval $(call add_define,TF_MBEDTLS_HASH_ALG_ID))
 $(eval $(call add_define,TF_MBEDTLS_USE_AES_GCM))
 
+# Set definitions for measured boot driver
+$(eval $(call add_define,MBEDTLS_MD_ID))
+$(eval $(call add_define,TPM_ALG_ID))
+$(eval $(call add_define,TCG_DIGEST_SIZE))
+
 $(eval $(call MAKE_LIB,mbedtls))
 
 endif