void-packages/srcpkgs/argon2/patches/explicit-bzero.patch
Piraty 4e46d5c283 argon2: add upstream patches
* Wait for already running threads if a thread creation failed.
* use explicit_bzero() to clear memory
2019-06-19 01:07:42 +02:00

34 lines
841 B
Diff

# the idea is picked up from upstream/master
# (80dca8559b929a9a08f4344d7dcda0d61677ef9a)
# but the patch is simplified to always use `explicit_bzero()`, so it works
# with musl too
--- src/core.c
+++ src/core.c
@@ -25,6 +25,9 @@
#endif
#define VC_GE_2005(version) (version >= 1400)
+/* for explicit_bzero() */
+#define _DEFAULT_SOURCE
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -121,16 +124,7 @@
}
void NOT_OPTIMIZED secure_wipe_memory(void *v, size_t n) {
-#if defined(_MSC_VER) && VC_GE_2005(_MSC_VER)
- SecureZeroMemory(v, n);
-#elif defined memset_s
- memset_s(v, n, 0, n);
-#elif defined(__OpenBSD__)
explicit_bzero(v, n);
-#else
- static void *(*const volatile memset_sec)(void *, int, size_t) = &memset;
- memset_sec(v, 0, n);
-#endif
}
/* Memory clear flag defaults to true. */