Remove individual copies of mbedtls_zeroize()
This commit removes all the static occurrencies of the function
mbedtls_zeroize() in each of the individual .c modules. Instead the
function has been moved to utils.h that is included in each of the
modules.
diff --git a/library/x509_csr.c b/library/x509_csr.c
index 26a06db..8a74db8 100644
--- a/library/x509_csr.c
+++ b/library/x509_csr.c
@@ -39,6 +39,7 @@
#include "mbedtls/x509_csr.h"
#include "mbedtls/oid.h"
+#include "mbedtls/utils.h"
#include <string.h>
@@ -60,11 +61,6 @@
#include <stdio.h>
#endif
-/* Implementation that should never be optimized out by the compiler */
-static void mbedtls_zeroize( void *v, size_t n ) {
- volatile unsigned char *p = v; while( n-- ) *p++ = 0;
-}
-
/*
* Version ::= INTEGER { v1(0) }
*/