Move secure_scrub_memory to os_utils.cpp

1 files changed, 0 insertions, 39 deletions

diff --git a/src/lib/utils/mem_ops.cpp b/src/lib/utils/mem_ops.cpp
deleted file mode 100644
index c81d4fac2..000000000
--- a/src/lib/utils/mem_ops.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
-* Memory Scrubbing
-* (C) 2012,2015,2016 Jack Lloyd
-*
-* Botan is released under the Simplified BSD License (see license.txt)
-*/
-
-#include <botan/mem_ops.h>
-
-#if defined(BOTAN_TARGET_OS_HAS_RTLSECUREZEROMEMORY)
-  #define NOMINMAX 1
-  #include <windows.h>
-#endif
-
-namespace Botan {
-
-void secure_scrub_memory(void* ptr, size_t n)
-   {
-#if defined(BOTAN_TARGET_OS_HAS_RTLSECUREZEROMEMORY)
-   ::RtlSecureZeroMemory(ptr, n);
-#elif defined(BOTAN_USE_VOLATILE_MEMSET_FOR_ZERO) && (BOTAN_USE_VOLATILE_MEMSET_FOR_ZERO == 1)
-   /*
-   Call memset through a static volatile pointer, which the compiler
-   should not elide. This construct should be safe in conforming
-   compilers, but who knows. I did confirm that on x86-64 GCC 6.1 and
-   Clang 3.8 both create code that saves the memset address in the
-   data segment and uncondtionally loads and jumps to that address.
-   */
-   static void* (*const volatile memset_ptr)(void*, int, size_t) = std::memset;
-   (memset_ptr)(ptr, 0, n);
-#else
-   volatile uint8_t* p = reinterpret_cast<volatile uint8_t*>(ptr);
-
-   for(size_t i = 0; i != n; ++i)
-      p[i] = 0;
-#endif
-   }
-
-}