include/openssl/camellia.h

   1 /*
   2  * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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 OPENSSL_CAMELLIA_H
  11 # define OPENSSL_CAMELLIA_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # if !OPENSSL_API_3
  16 #  define HEADER_CAMELLIA_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_CAMELLIA
  22 # include <stddef.h>
  23 #ifdef  __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 # define CAMELLIA_ENCRYPT        1
  28 # define CAMELLIA_DECRYPT        0
  29
  30 /*
  31  * Because array size can't be a const in C, the following two are macros.
  32  * Both sizes are in bytes.
  33  */
  34
  35 /* This should be a hidden type, but EVP requires that the size be known */
  36
  37 # define CAMELLIA_BLOCK_SIZE 16
  38 # define CAMELLIA_TABLE_BYTE_LEN 272
  39 # define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
  40
  41 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
  42                                                                * with WORD */
  43
  44 struct camellia_key_st {
  45     union {
  46         double d;               /* ensures 64-bit align */
  47         KEY_TABLE_TYPE rd_key;
  48     } u;
  49     int grand_rounds;
  50 };
  51 typedef struct camellia_key_st CAMELLIA_KEY;
  52
  53 int Camellia_set_key(const unsigned char *userKey, const int bits,
  54                      CAMELLIA_KEY *key);
  55
  56 void Camellia_encrypt(const unsigned char *in, unsigned char *out,
  57                       const CAMELLIA_KEY *key);
  58 void Camellia_decrypt(const unsigned char *in, unsigned char *out,
  59                       const CAMELLIA_KEY *key);
  60
  61 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
  62                           const CAMELLIA_KEY *key, const int enc);
  63 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
  64                           size_t length, const CAMELLIA_KEY *key,
  65                           unsigned char *ivec, const int enc);
  66 void Camellia_cfb128_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_cfb1_encrypt(const unsigned char *in, unsigned char *out,
  70                            size_t length, const CAMELLIA_KEY *key,
  71                            unsigned char *ivec, int *num, const int enc);
  72 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
  73                            size_t length, const CAMELLIA_KEY *key,
  74                            unsigned char *ivec, int *num, const int enc);
  75 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
  76                              size_t length, const CAMELLIA_KEY *key,
  77                              unsigned char *ivec, int *num);
  78 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
  79                              size_t length, const CAMELLIA_KEY *key,
  80                              unsigned char ivec[CAMELLIA_BLOCK_SIZE],
  81                              unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
  82                              unsigned int *num);
  83
  84 # ifdef  __cplusplus
  85 }
  86 # endif
  87 # endif
  88
  89 #endif