Home | History | Annotate | Line # | Download | only in crypto 
      1 /*
      2  * Copyright 2006-2018 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 OSSL_CRYPTO_ARIA_H
     14 # define OSSL_CRYPTO_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 typedef union {
     29     unsigned char c[ARIA_BLOCK_SIZE];
     30     unsigned int u[ARIA_BLOCK_SIZE / sizeof(unsigned int)];
     31 } ARIA_u128;
     32 
     33 typedef unsigned char ARIA_c128[ARIA_BLOCK_SIZE];
     34 
     35 struct aria_key_st {
     36     ARIA_u128 rd_key[ARIA_MAX_KEYS];
     37     unsigned int rounds;
     38 };
     39 typedef struct aria_key_st ARIA_KEY;
     40 
     41 
     42 int aria_set_encrypt_key(const unsigned char *userKey, const int bits,
     43                          ARIA_KEY *key);
     44 int aria_set_decrypt_key(const unsigned char *userKey, const int bits,
     45                          ARIA_KEY *key);
     46 
     47 void aria_encrypt(const unsigned char *in, unsigned char *out,
     48                   const ARIA_KEY *key);
     49 
     50 #endif
     51