More headers (loadstore, mem_ops, rotate, types) for util module

1 files changed, 28 insertions, 0 deletions

diff --git a/src/utils/rotate.h b/src/utils/rotate.h
new file mode 100644
index 000000000..d90e207b5
--- /dev/null
+++ b/src/utils/rotate.h
@@ -0,0 +1,28 @@
+/*************************************************
+* Word Rotation Operations Header File           *
+* (C) 1999-2008 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_WORD_ROTATE_H__
+#define BOTAN_WORD_ROTATE_H__
+
+#include <botan/types.h>
+
+namespace Botan {
+
+/*************************************************
+* Word Rotation Functions                        *
+*************************************************/
+template<typename T> inline T rotate_left(T input, u32bit rot)
+   {
+   return static_cast<T>((input << rot) | (input >> (8*sizeof(T)-rot)));;
+   }
+
+template<typename T> inline T rotate_right(T input, u32bit rot)
+   {
+   return static_cast<T>((input >> rot) | (input << (8*sizeof(T)-rot)));
+   }
+
+}
+
+#endif