Botan  1.11.15
Namespaces | Defines | Functions
src/lib/block/noekeon_simd/noekeon_simd.cpp File Reference
#include <botan/internal/block_utils.h>
#include <botan/noekeon_simd.h>
#include <botan/internal/simd_32.h>

Go to the source code of this file.

Namespaces

namespace  Botan

Defines

#define NOK_SIMD_GAMMA(A0, A1, A2, A3)
#define NOK_SIMD_THETA(A0, A1, A2, A3, K0, K1, K2, K3)

Functions

 Botan::BOTAN_REGISTER_BLOCK_CIPHER_NOARGS_IF (SIMD_32::enabled(), Noekeon_SIMD,"Noekeon","simd32", 64)

Define Documentation

#define NOK_SIMD_GAMMA (   A0,
  A1,
  A2,
  A3 
)
Value:
do                                                                   \
      {                                                                 \
      A1 ^= A3.andc(~A2);                                               \
      A0 ^= A2 & A1;                                                    \
                                                                        \
      SIMD_32 T = A3;                                                   \
      A3 = A0;                                                          \
      A0 = T;                                                           \
                                                                        \
      A2 ^= A0 ^ A1 ^ A3;                                               \
                                                                        \
      A1 ^= A3.andc(~A2);                                               \
      A0 ^= A2 & A1;                                                    \
      } while(0)

Definition at line 50 of file noekeon_simd.cpp.

Referenced by Botan::Noekeon_SIMD::decrypt_n(), and Botan::Noekeon_SIMD::encrypt_n().

#define NOK_SIMD_THETA (   A0,
  A1,
  A2,
  A3,
  K0,
  K1,
  K2,
  K3 
)
Value:
do {                                                 \
      SIMD_32 T = A0 ^ A2;                              \
      SIMD_32 T_l8 = T;                                 \
      SIMD_32 T_r8 = T;                                 \
      T_l8.rotate_left(8);                              \
      T_r8.rotate_right(8);                             \
      T ^= T_l8;                                        \
      T ^= T_r8;                                        \
      A1 ^= T;                                          \
      A3 ^= T;                                          \
                                                        \
      A0 ^= K0;                                         \
      A1 ^= K1;                                         \
      A2 ^= K2;                                         \
      A3 ^= K3;                                         \
                                                        \
      T = A1 ^ A3;                                      \
      T_l8 = T;                                         \
      T_r8 = T;                                         \
      T_l8.rotate_left(8);                              \
      T_r8.rotate_right(8);                             \
      T ^= T_l8;                                        \
      T ^= T_r8;                                        \
      A0 ^= T;                                          \
      A2 ^= T;                                          \
      } while(0)

Definition at line 19 of file noekeon_simd.cpp.

Referenced by Botan::Noekeon_SIMD::decrypt_n(), and Botan::Noekeon_SIMD::encrypt_n().