crypto/include/internal/sm4.h

   1 /*
   2  * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright 2017 Ribose Inc. All Rights Reserved.
   4  *
   5  * Licensed under the Apache License 2.0 (the "License").  You may not use
   6  * this file except in compliance with the License.  You can obtain a copy
   7  * in the file LICENSE in the source distribution or at
   8  * https://www.openssl.org/source/license.html
   9  */
  10
  11 #ifndef HEADER_SM4_H
  12 # define HEADER_SM4_H
  13
  14 # include <openssl/opensslconf.h>
  15 # include <openssl/e_os2.h>
  16
  17 # ifdef OPENSSL_NO_SM4
  18 #  error SM4 is disabled.
  19 # endif
  20
  21 # define SM4_ENCRYPT     1
  22 # define SM4_DECRYPT     0
  23
  24 # define SM4_BLOCK_SIZE    16
  25 # define SM4_KEY_SCHEDULE  32
  26
  27 typedef struct SM4_KEY_st {
  28     uint32_t rk[SM4_KEY_SCHEDULE];
  29 } SM4_KEY;
  30
  31 int SM4_set_key(const uint8_t *key, SM4_KEY *ks);
  32
  33 void SM4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
  34
  35 void SM4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
  36
  37 #endif