aboutsummaryrefslogtreecommitdiffstats
path: root/include/rotate.h
blob: d90e207b5b7c9d53218e92ae0b9e25813c89c7fe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
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