include/openssl/camellia.h

   1 /*
   2  * Copyright 2006-2020 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 # ifndef OPENSSL_NO_DEPRECATED_3_0
  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_BLOCK_SIZE 16
  28
  29 # ifndef OPENSSL_NO_DEPRECATED_3_0
  30
  31 #  define CAMELLIA_ENCRYPT        1
  32 #  define CAMELLIA_DECRYPT        0
  33
  34 /*
  35  * Because array size can't be a const in C, the following two are macros.
  36  * Both sizes are in bytes.
  37  */
  38
  39 /* This should be a hidden type, but EVP requires that the size be known */
  40
  41 #  define CAMELLIA_TABLE_BYTE_LEN 272
  42 #  define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
  43
  44 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
  45                                                                * with WORD */
  46
  47 struct camellia_key_st {
  48     union {
  49         double d;               /* ensures 64-bit align */
  50         KEY_TABLE_TYPE rd_key;
  51     } u;
  52     int grand_rounds;
  53 };
  54 typedef struct camellia_key_st CAMELLIA_KEY;
  55
  56 # endif /* OPENSSL_NO_DEPRECATED_3_0 */
  57 # ifndef OPENSSL_NO_DEPRECATED_3_0
  58 OSSL_DEPRECATEDIN_3_0 int Camellia_set_key(const unsigned char *userKey,
  59                                            const int bits,
  60                                            CAMELLIA_KEY *key);
  61 OSSL_DEPRECATEDIN_3_0 void Camellia_encrypt(const unsigned char *in,
  62                                             unsigned char *out,
  63                                             const CAMELLIA_KEY *key);
  64 OSSL_DEPRECATEDIN_3_0 void Camellia_decrypt(const unsigned char *in,
  65                                             unsigned char *out,
  66                                             const CAMELLIA_KEY *key);
  67 OSSL_DEPRECATEDIN_3_0 void Camellia_ecb_encrypt(const unsigned char *in,
  68                                                 unsigned char *out,
  69                                                 const CAMELLIA_KEY *key,
  70                                                 const int enc);
  71 OSSL_DEPRECATEDIN_3_0 void Camellia_cbc_encrypt(const unsigned char *in,
  72                                                 unsigned char *out,
  73                                                 size_t length,
  74                                                 const CAMELLIA_KEY *key,
  75                                                 unsigned char *ivec,
  76                                                 const int enc);
  77 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb128_encrypt(const unsigned char *in,
  78                                                    unsigned char *out,
  79                                                    size_t length,
  80                                                    const CAMELLIA_KEY *key,
  81                                                    unsigned char *ivec,
  82                                                    int *num,
  83                                                    const int enc);
  84 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb1_encrypt(const unsigned char *in,
  85                                                  unsigned char *out,
  86                                                  size_t length,
  87                                                  const CAMELLIA_KEY *key,
  88                                                  unsigned char *ivec,
  89                                                  int *num,
  90                                                  const int enc);
  91 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb8_encrypt(const unsigned char *in,
  92                                                  unsigned char *out,
  93                                                  size_t length,
  94                                                  const CAMELLIA_KEY *key,
  95                                                  unsigned char *ivec,
  96                                                  int *num,
  97                                                  const int enc);
  98 OSSL_DEPRECATEDIN_3_0 void Camellia_ofb128_encrypt(const unsigned char *in,
  99                                                    unsigned char *out,
 100                                                    size_t length,
 101                                                    const CAMELLIA_KEY *key,
 102                                                    unsigned char *ivec,
 103                                                    int *num);
 104 OSSL_DEPRECATEDIN_3_0
 105 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
 106                              size_t length, const CAMELLIA_KEY *key,
 107                              unsigned char ivec[CAMELLIA_BLOCK_SIZE],
 108                              unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
 109                              unsigned int *num);
 110 # endif
 111
 112 # ifdef  __cplusplus
 113 }
 114 # endif
 115 # endif
 116
 117 #endif