gost_grasshopper_core.h

   1 /*
   2  * Maxim Tishkov 2016
   3  * This file is distributed under the same license as OpenSSL
   4  */
   5
   6 #ifndef GOST_GRASSHOPPER_CORE_H
   7 #define GOST_GRASSHOPPER_CORE_H
   8
   9 #if defined(__cplusplus)
  10 extern "C" {
  11 #endif
  12
  13 #include "gost_grasshopper_defines.h"
  14
  15 static void grasshopper_l(grasshopper_w128_t* w);
  16 static void grasshopper_l_inv(grasshopper_w128_t* w);
  17
  18 // key setup
  19 extern void grasshopper_set_encrypt_key(grasshopper_round_keys_t* subkeys, const grasshopper_key_t* key);
  20 extern void grasshopper_set_decrypt_key(grasshopper_round_keys_t* subkeys, const grasshopper_key_t* key);
  21
  22 // single-block ecp ops
  23 extern void grasshopper_encrypt_block(grasshopper_round_keys_t* subkeys, grasshopper_w128_t* source, grasshopper_w128_t* target, grasshopper_w128_t* buffer);
  24 extern void grasshopper_decrypt_block(grasshopper_round_keys_t* subkeys, grasshopper_w128_t* source, grasshopper_w128_t* target, grasshopper_w128_t* buffer);
  25
  26 extern void grasshopper_encrypt_block2(grasshopper_round_keys_t* subkeys, grasshopper_w128_t* source, grasshopper_w128_t* target);
  27 extern void grasshopper_decrypt_block2(grasshopper_round_keys_t* subkeys, grasshopper_w128_t* source, grasshopper_w128_t* target);
  28
  29 #if defined(__cplusplus)
  30 }
  31 #endif
  32
  33 #endif