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_crt.c b/library/x509_crt.c
index afff4e1..c9969a8 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -41,6 +41,7 @@
#include "mbedtls/x509_crt.h"
#include "mbedtls/oid.h"
+#include "mbedtls/utils.h"
#include <stdio.h>
#include <string.h>
@@ -90,11 +91,6 @@
*/
#define X509_MAX_VERIFY_CHAIN_SIZE ( MBEDTLS_X509_MAX_INTERMEDIATE_CA + 2 )
-/* 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;
-}
-
/*
* Default profile
*/