1 files changed, 36 insertions, 0 deletions

diff --git a/xmss_commons.c b/xmss_commons.c
new file mode 100644
index 000000000..59486aead
--- /dev/null
+++ b/xmss_commons.c
@@ -0,0 +1,36 @@
+/* $OpenBSD: xmss_commons.c,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
+/*
+xmss_commons.c 20160722
+Andreas Hülsing
+Joost Rijneveld
+Public domain.
+*/
+
+#include "includes.h"
+#ifdef WITH_XMSS
+
+#include "xmss_commons.h"
+#include <stdlib.h>
+#include <stdio.h>
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+void to_byte(unsigned char *out, unsigned long long in, uint32_t bytes)
+{
+  int32_t i;
+  for (i = bytes-1; i >= 0; i--) {
+    out[i] = in & 0xff;
+    in = in >> 8;
+  }
+}
+
+#if 0
+void hexdump(const unsigned char *a, size_t len)
+{
+  size_t i;
+  for (i = 0; i < len; i++)
+    printf("%02x", a[i]);
+}
+#endif
+#endif /* WITH_XMSS */