crypto/include/internal/aria.h

   1 /*
   2  * Copyright 2006-2017 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright (c) 2017, Oracle and/or its affiliates.  All rights reserved.
   4  *
   5  * Licensed under the OpenSSL license (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  /* Copyright (c) 2017 National Security Research Institute.  All rights reserved. */
  12
  13 #ifndef HEADER_ARIA_H
  14 # define HEADER_ARIA_H
  15
  16 # include <openssl/opensslconf.h>
  17
  18 # ifdef OPENSSL_NO_ARIA
  19 #  error ARIA is disabled.
  20 # endif
  21
  22 # define ARIA_ENCRYPT     1
  23 # define ARIA_DECRYPT     0
  24
  25 # define ARIA_BLOCK_SIZE    16  /* Size of each encryption/decryption block */
  26 # define ARIA_MAX_KEYS      17  /* Number of keys needed in the worst case  */
  27
  28 # ifdef  __cplusplus
  29 extern "C" {
  30 # endif
  31
  32 typedef union {
  33     unsigned char c[ARIA_BLOCK_SIZE];
  34     unsigned int u[ARIA_BLOCK_SIZE / sizeof(unsigned int)];
  35 } ARIA_u128;
  36
  37 typedef unsigned char ARIA_c128[ARIA_BLOCK_SIZE];
  38
  39 struct aria_key_st {
  40     ARIA_u128 rd_key[ARIA_MAX_KEYS];
  41     unsigned int rounds;
  42 };
  43 typedef struct aria_key_st ARIA_KEY;
  44
  45
  46 int aria_set_encrypt_key(const unsigned char *userKey, const int bits,
  47                          ARIA_KEY *key);
  48 int aria_set_decrypt_key(const unsigned char *userKey, const int bits,
  49                          ARIA_KEY *key);
  50
  51 void aria_encrypt(const unsigned char *in, unsigned char *out,
  52                   const ARIA_KEY *key);
  53
  54 # ifdef  __cplusplus
  55 }
  56 # endif
  57
  58 #endif