include/openssl/cmac.h

   1 /*
   2  * Copyright 2010-2020 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_CMAC_H
  11 # define OPENSSL_CMAC_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_CMAC_H
  17 # endif
  18
  19 # ifndef OPENSSL_NO_CMAC
  20
  21 #  ifdef __cplusplus
  22 extern "C" {
  23 #  endif
  24
  25 #  include <openssl/evp.h>
  26
  27 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  28 /* Opaque */
  29 typedef struct CMAC_CTX_st CMAC_CTX;
  30 #  endif
  31 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  32 OSSL_DEPRECATEDIN_3_0 CMAC_CTX *CMAC_CTX_new(void);
  33 OSSL_DEPRECATEDIN_3_0 void CMAC_CTX_cleanup(CMAC_CTX *ctx);
  34 OSSL_DEPRECATEDIN_3_0 void CMAC_CTX_free(CMAC_CTX *ctx);
  35 OSSL_DEPRECATEDIN_3_0 EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx);
  36 OSSL_DEPRECATEDIN_3_0 int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in);
  37 OSSL_DEPRECATEDIN_3_0 int CMAC_Init(CMAC_CTX *ctx,
  38                                     const void *key, size_t keylen,
  39                                     const EVP_CIPHER *cipher, ENGINE *impl);
  40 OSSL_DEPRECATEDIN_3_0 int CMAC_Update(CMAC_CTX *ctx,
  41                                       const void *data, size_t dlen);
  42 OSSL_DEPRECATEDIN_3_0 int CMAC_Final(CMAC_CTX *ctx,
  43                                      unsigned char *out, size_t *poutlen);
  44 OSSL_DEPRECATEDIN_3_0 int CMAC_resume(CMAC_CTX *ctx);
  45 #  endif
  46
  47 #  ifdef  __cplusplus
  48 }
  49 #  endif
  50
  51 # endif
  52 #endif