8#ifndef BOTAN_WORD_ROTATE_H_
9#define BOTAN_WORD_ROTATE_H_
11#include <botan/types.h>
22template<
size_t ROT,
typename T>
25 static_assert(ROT > 0 && ROT < 8*
sizeof(
T),
"Invalid rotation constant");
26 return static_cast<T>((input << ROT) | (input >> (8*
sizeof(
T) - ROT)));
34template<
size_t ROT,
typename T>
37 static_assert(ROT > 0 && ROT < 8*
sizeof(
T),
"Invalid rotation constant");
38 return static_cast<T>((input >> ROT) | (input << (8*
sizeof(
T) - ROT)));
50 return rot ?
static_cast<T>((input << rot) | (input >> (
sizeof(
T)*8 - rot))) : input;
62 return rot ?
static_cast<T>((input >> rot) | (input << (
sizeof(
T)*8 - rot))) : input;
65#if defined(BOTAN_USE_GCC_INLINE_ASM)
67#if defined(BOTAN_TARGET_ARCH_IS_X86_64) || defined(BOTAN_TARGET_ARCH_IS_X86_32)
70inline uint32_t
rotl_var(uint32_t input,
size_t rot)
74 :
"c" (
static_cast<uint8_t
>(rot))
80inline uint32_t
rotr_var(uint32_t input,
size_t rot)
84 :
"c" (
static_cast<uint8_t
>(rot))
95BOTAN_DEPRECATED(
"Use rotl<N> or rotl_var")
99 return rotl_var(input, rot % (8 *
sizeof(
T)));
103BOTAN_DEPRECATED(
"Use rotr<N> or rotr_var")
107 return rotr_var(input, rot % (8 *
sizeof(
T)));
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
constexpr T rotl(T input)
T rotl_var(T input, size_t rot)
T rotate_right(T input, size_t rot)
T rotate_left(T input, size_t rot)
constexpr T rotr(T input)
T rotr_var(T input, size_t rot)