include/openssl/camellia.h

   1 /*
   2  * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef HEADER_CAMELLIA_H
  11 # define HEADER_CAMELLIA_H
  12
  13 # include <openssl/opensslconf.h>
  14
  15 # ifndef OPENSSL_NO_CAMELLIA
  16 # include <stddef.h>
  17 #ifdef  __cplusplus
  18 extern "C" {
  19 #endif
  20
  21 # define CAMELLIA_ENCRYPT        1
  22 # define CAMELLIA_DECRYPT        0
  23
  24 /*
  25  * Because array size can't be a const in C, the following two are macros.
  26  * Both sizes are in bytes.
  27  */
  28
  29 /* This should be a hidden type, but EVP requires that the size be known */
  30
  31 # define CAMELLIA_BLOCK_SIZE 16
  32 # define CAMELLIA_TABLE_BYTE_LEN 272
  33 # define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
  34
  35 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
  36                                                                * with WORD */
  37
  38 struct camellia_key_st {
  39     union {
  40         double d;               /* ensures 64-bit align */
  41         KEY_TABLE_TYPE rd_key;
  42     } u;
  43     int grand_rounds;
  44 };
  45 typedef struct camellia_key_st CAMELLIA_KEY;
  46
  47 int Camellia_set_key(const unsigned char *userKey, const int bits,
  48                      CAMELLIA_KEY *key);
  49
  50 void Camellia_encrypt(const unsigned char *in, unsigned char *out,
  51                       const CAMELLIA_KEY *key);
  52 void Camellia_decrypt(const unsigned char *in, unsigned char *out,
  53                       const CAMELLIA_KEY *key);
  54
  55 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
  56                           const CAMELLIA_KEY *key, const int enc);
  57 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
  58                           size_t length, const CAMELLIA_KEY *key,
  59                           unsigned char *ivec, const int enc);
  60 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  61                              size_t length, const CAMELLIA_KEY *key,
  62                              unsigned char *ivec, int *num, const int enc);
  63 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
  64                            size_t length, const CAMELLIA_KEY *key,
  65                            unsigned char *ivec, int *num, const int enc);
  66 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
  67                            size_t length, const CAMELLIA_KEY *key,
  68                            unsigned char *ivec, int *num, const int enc);
  69 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
  70                              size_t length, const CAMELLIA_KEY *key,
  71                              unsigned char *ivec, int *num);
  72 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
  73                              size_t length, const CAMELLIA_KEY *key,
  74                              unsigned char ivec[CAMELLIA_BLOCK_SIZE],
  75                              unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
  76                              unsigned int *num);
  77
  78 # ifdef  __cplusplus
  79 }
  80 # endif
  81 # endif
  82
  83 #endif