(via Mbed OS) Add mbedtls platform setup and teardown to modules

Add calls to `mbedtls_platform_setup()`
and `mbedtls_platform_teardown()` to all modules and tests using Mbed TLS.

Author: Ron Eldor

source/coap_security_handler.c

@@ -102,6 +102,11 @@ static int coap_security_handler_init(coap_security_t *sec)
     const int entropy_source_type = MBEDTLS_ENTROPY_SOURCE_WEAK;
 #endif
 
+#if defined(MBEDTLS_PLATFORM_C)
+    if (mbedtls_platform_setup(NULL) != 0)
+        return -1;
+#endif /* MBEDTLS_PLATFORM_C */
+
     mbedtls_ssl_init(&sec->_ssl);
     mbedtls_ssl_config_init(&sec->_conf);
     mbedtls_ctr_drbg_init(&sec->_ctr_drbg);
@@ -153,6 +158,9 @@ static void coap_security_handler_reset(coap_security_t *sec)
     mbedtls_ctr_drbg_free(&sec->_ctr_drbg);
     mbedtls_ssl_config_free(&sec->_conf);
     mbedtls_ssl_free(&sec->_ssl);
+#if defined(MBEDTLS_PLATFORM_C)
+    mbedtls_platform_teardown(NULL);
+#endif /* MBEDTLS_PLATFORM_C */
 }
 
 

test/coap-service/unittest/stub/mbedtls_stub.c

@@ -387,3 +387,15 @@ int mbedtls_ssl_session_reset(mbedtls_ssl_context *ssl)
 void mbedtls_strerror(int ret, char *buf, size_t buflen)
 {
 }
+
+int mbedtls_platform_setup( mbedtls_platform_context *ctx )
+{
+    (void)ctx;
+
+    return( 0 );
+}
+
+void mbedtls_platform_teardown( mbedtls_platform_context *ctx )
+{
+    (void)ctx;
+}

test/coap-service/unittest/stub/mbedtls_stub.h

@@ -28,7 +28,7 @@
 #include "mbedtls/sha256.h"
 #include "mbedtls/entropy.h"
 #include "mbedtls/pk.h"
-
+#include "mbedtls/platform.h"
 
 
 #define HANDSHAKE_FINISHED_VALUE 8888