libaxolotl - initial commit

git-svn-id: http://svn.miranda-ng.org/main/trunk@16169 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 17 insertions, 0 deletions

diff --git a/libs/libaxolotl/src/curve25519/ed25519/additions/zeroize.c b/libs/libaxolotl/src/curve25519/ed25519/additions/zeroize.c
new file mode 100644
index 0000000000..37c1f708bc
--- /dev/null
+++ b/libs/libaxolotl/src/curve25519/ed25519/additions/zeroize.c
@@ -0,0 +1,17 @@
+#include "zeroize.h"
+
+void zeroize(unsigned char* b, size_t len)
+{
+  size_t count = 0;
+  unsigned long retval = 0;
+  volatile unsigned char *p = b;
+
+  for (count = 0; count < len; count++)
+    p[count] = 0;
+}
+
+void zeroize_stack()
+{
+  unsigned char m[ZEROIZE_STACK_SIZE];
+  zeroize(m, sizeof m);
+}