feat(mbedtls): update mbedTLS driver for DRTM support

Updated mbedTLS driver to include mbedTLS functions necessary for a
DRTM supported build.

Signed-off-by: Manish V Badarkhe <manish.badarkhe@arm.com>
Change-Id: If0120374a971519cf84f93e0c59e1a320a72cd97

diff --git a/bl31/bl31.mk b/bl31/bl31.mk
index 878cea59c9d6b0b435329e6897adaf8ff21d1817..3e665c584bd63138c2999984fb103bef51fcc7a7 100644 (file)
--- a/bl31/bl31.mk
+++ b/bl31/bl31.mk
@@ -148,7 +148,8 @@ BL31_SOURCES                +=      common/feat_detect.c
 endif
 
 ifeq (${DRTM_SUPPORT},1)
-BL31_SOURCES           +=      services/std_svc/drtm/drtm_main.c
+BL31_SOURCES           +=      services/std_svc/drtm/drtm_main.c       \
+                               ${MBEDTLS_SOURCES}
 endif
 
 BL31_LINKERFILE                :=      bl31/bl31.ld.S

diff --git a/drivers/auth/mbedtls/mbedtls_crypto.c b/drivers/auth/mbedtls/mbedtls_crypto.c
index 0901d045abef85dd0be0b2dab602cb88c7383b43..e83225c323447ccbba854e64ee6b832dc195128e 100644 (file)
--- a/drivers/auth/mbedtls/mbedtls_crypto.c
+++ b/drivers/auth/mbedtls/mbedtls_crypto.c
@@ -24,7 +24,7 @@
 
 #define LIB_NAME               "mbed TLS"
 
-#if MEASURED_BOOT
+#if MEASURED_BOOT || DRTM_SUPPORT
 /*
  * CRYPTO_MD_MAX_SIZE value is as per current stronger algorithm available
  * so make sure that mbed TLS MD maximum size must be lesser than this.
@@ -32,7 +32,7 @@
 CASSERT(CRYPTO_MD_MAX_SIZE >= MBEDTLS_MD_MAX_SIZE,
        assert_mbedtls_md_size_overflow);
 
-#endif /* MEASURED_BOOT */
+#endif /* MEASURED_BOOT || DRTM_SUPPORT */
 
 /*
  * AlgorithmIdentifier  ::=  SEQUENCE  {
@@ -221,7 +221,7 @@ static int verify_hash(void *data_ptr, unsigned int data_len,
 }
 #endif /* TRUSTED_BOARD_BOOT */
 
-#if MEASURED_BOOT
+#if MEASURED_BOOT || DRTM_SUPPORT
 /*
  * Map a generic crypto message digest algorithm to the corresponding macro used
  * by Mbed TLS.
@@ -264,7 +264,7 @@ static int calc_hash(enum crypto_md_algo md_algo, void *data_ptr,
         */
        return mbedtls_md(md_info, data_ptr, data_len, output);
 }
-#endif /* MEASURED_BOOT */
+#endif /* MEASURED_BOOT || DRTM_SUPPORT */
 
 #if TF_MBEDTLS_USE_AES_GCM
 /*
@@ -368,7 +368,7 @@ static int auth_decrypt(enum crypto_dec_algo dec_algo, void *data_ptr,
 /*
  * Register crypto library descriptor
  */
-#if MEASURED_BOOT && TRUSTED_BOARD_BOOT
+#if (MEASURED_BOOT || DRTM_SUPPORT) && TRUSTED_BOARD_BOOT
 #if TF_MBEDTLS_USE_AES_GCM
 REGISTER_CRYPTO_LIB(LIB_NAME, init, verify_signature, verify_hash, calc_hash,
                    auth_decrypt);
@@ -383,6 +383,6 @@ REGISTER_CRYPTO_LIB(LIB_NAME, init, verify_signature, verify_hash,
 #else
 REGISTER_CRYPTO_LIB(LIB_NAME, init, verify_signature, verify_hash, NULL);
 #endif
-#elif MEASURED_BOOT
+#elif MEASURED_BOOT || DRTM_SUPPORT
 REGISTER_CRYPTO_LIB(LIB_NAME, init, calc_hash);
-#endif /* MEASURED_BOOT && TRUSTED_BOARD_BOOT */
+#endif /* (MEASURED_BOOT || DRTM_SUPPORT) && TRUSTED_BOARD_BOOT */