Botan  1.10.9
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gost_28147.cpp File Reference
#include <botan/gost_28147.h>
#include <botan/loadstor.h>
#include <botan/rotate.h>

Go to the source code of this file.

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 Botan
 

Macros

#define GOST_2ROUND(N1, N2, R1, R2)
 

Macro Definition Documentation

#define GOST_2ROUND (   N1,
  N2,
  R1,
  R2 
)
Value:
do { \
u32bit T0 = N1 + EK[R1]; \
N2 ^= SBOX[get_byte(3, T0)] | \
SBOX[get_byte(2, T0)+256] | \
SBOX[get_byte(1, T0)+512] | \
SBOX[get_byte(0, T0)+768]; \
\
u32bit T1 = N2 + EK[R2]; \
N1 ^= SBOX[get_byte(3, T1)] | \
SBOX[get_byte(2, T1)+256] | \
SBOX[get_byte(1, T1)+512] | \
SBOX[get_byte(0, T1)+768]; \
} while(0)
byte get_byte(size_t byte_num, T input)
Definition: get_byte.h:21
#define R2
Definition: asm_x86_64.h:53
#define R1
Definition: asm_x86_64.h:52
unsigned int u32bit
Definition: types.h:32

Definition at line 89 of file gost_28147.cpp.

Referenced by Botan::GOST_28147_89::decrypt_n(), and Botan::GOST_28147_89::encrypt_n().