Use platform_memset() in platform_zeroize()
We're using zeroize in many places in order to erase secrets, so we really
need it to be as secure as possible.
diff --git a/library/platform_util.c b/library/platform_util.c
index 9461a9c..db46fe9 100644
--- a/library/platform_util.c
+++ b/library/platform_util.c
@@ -72,7 +72,8 @@
* mbedtls_platform_zeroize() to use a suitable implementation for their
* platform and needs.
*/
-static void * (* const volatile memset_func)( void *, int, size_t ) = memset;
+void *mbedtls_platform_memset( void *, int, size_t );
+static void * (* const volatile memset_func)( void *, int, size_t ) = mbedtls_platform_memset;
void mbedtls_platform_zeroize( void *buf, size_t len )
{