include/openssl/aes.h

   1 /*
   2  * Copyright 2002-2020 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_AES_H
  11 # define OPENSSL_AES_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_AES_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # include <stddef.h>
  22 # ifdef  __cplusplus
  23 extern "C" {
  24 # endif
  25
  26 # define AES_BLOCK_SIZE 16
  27
  28 # ifndef OPENSSL_NO_DEPRECATED_3_0
  29
  30 #  define AES_ENCRYPT     1
  31 #  define AES_DECRYPT     0
  32
  33 #  define AES_MAXNR 14
  34
  35
  36 /* This should be a hidden type, but EVP requires that the size be known */
  37 struct aes_key_st {
  38 #  ifdef AES_LONG
  39     unsigned long rd_key[4 * (AES_MAXNR + 1)];
  40 #  else
  41     unsigned int rd_key[4 * (AES_MAXNR + 1)];
  42 #  endif
  43     int rounds;
  44 };
  45 typedef struct aes_key_st AES_KEY;
  46
  47 # endif
  48
  49 DEPRECATEDIN_3_0(const char *AES_options(void))
  50
  51 DEPRECATEDIN_3_0(int
  52                  AES_set_encrypt_key(const unsigned char *userKey,
  53                                      const int bits, AES_KEY *key))
  54 DEPRECATEDIN_3_0(int
  55                  AES_set_decrypt_key(const unsigned char *userKey,
  56                                      const int bits, AES_KEY *key))
  57
  58 DEPRECATEDIN_3_0(void
  59                  AES_encrypt(const unsigned char *in, unsigned char *out,
  60                              const AES_KEY *key))
  61 DEPRECATEDIN_3_0(void
  62                  AES_decrypt(const unsigned char *in, unsigned char *out,
  63                              const AES_KEY *key))
  64
  65 DEPRECATEDIN_3_0(void
  66                  AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
  67                                  const AES_KEY *key, const int enc))
  68 DEPRECATEDIN_3_0(void
  69                  AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
  70                                  size_t length, const AES_KEY *key,
  71                                  unsigned char *ivec, const int enc))
  72 DEPRECATEDIN_3_0(void
  73                  AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  74                                     size_t length, const AES_KEY *key,
  75                                     unsigned char *ivec, int *num,
  76                                     const int enc))
  77 DEPRECATEDIN_3_0(void
  78                  AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
  79                                   size_t length, const AES_KEY *key,
  80                                   unsigned char *ivec, int *num, const int enc))
  81 DEPRECATEDIN_3_0(void
  82                  AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
  83                                   size_t length, const AES_KEY *key,
  84                                   unsigned char *ivec, int *num, const int enc))
  85 DEPRECATEDIN_3_0(void
  86                  AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
  87                                     size_t length, const AES_KEY *key,
  88                                     unsigned char *ivec, int *num))
  89
  90 /* NB: the IV is _two_ blocks long */
  91 DEPRECATEDIN_3_0(void
  92                  AES_ige_encrypt(const unsigned char *in, unsigned char *out,
  93                                  size_t length, const AES_KEY *key,
  94                                  unsigned char *ivec, const int enc))
  95 /* NB: the IV is _four_ blocks long */
  96 DEPRECATEDIN_3_0(void
  97                  AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
  98                                     size_t length, const AES_KEY *key,
  99                                     const AES_KEY *key2,
 100                                     const unsigned char *ivec, const int enc))
 101
 102 DEPRECATEDIN_3_0(int
 103                  AES_wrap_key(AES_KEY *key, const unsigned char *iv,
 104                               unsigned char *out, const unsigned char *in,
 105                               unsigned int inlen))
 106 DEPRECATEDIN_3_0(int
 107                  AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
 108                                 unsigned char *out, const unsigned char *in,
 109                                 unsigned int inlen))
 110
 111
 112 # ifdef  __cplusplus
 113 }
 114 # endif
 115
 116 #endif