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/ccm.c b/library/ccm.c
index 9101e5f..a7a2cc4 100644
--- a/library/ccm.c
+++ b/library/ccm.c
@@ -37,6 +37,7 @@
#if defined(MBEDTLS_CCM_C)
#include "mbedtls/ccm.h"
+#include "mbedtls/utils.h"
#include <string.h>
@@ -51,11 +52,6 @@
#if !defined(MBEDTLS_CCM_ALT)
-/* Implementation that should never be optimized out by the compiler */
-static void mbedtls_zeroize( void *v, size_t n ) {
- volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
-}
-
#define CCM_ENCRYPT 0
#define CCM_DECRYPT 1