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      1 /*
      2  * Copyright 2020-2023 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 #include <stdlib.h>
     11 #include <openssl/crypto.h>
     12 #include "internal/refcount.h"
     13 #include "prov/provider_util.h"
     14 
     15 struct mac_key_st {
     16     OSSL_LIB_CTX *libctx;
     17     CRYPTO_REF_COUNT refcnt;
     18     unsigned char *priv_key;
     19     size_t priv_key_len;
     20     PROV_CIPHER cipher;
     21     char *properties;
     22     int cmac;
     23 };
     24 
     25 typedef struct mac_key_st MAC_KEY;
     26 
     27 MAC_KEY *ossl_mac_key_new(OSSL_LIB_CTX *libctx, int cmac);
     28 void ossl_mac_key_free(MAC_KEY *mackey);
     29 int ossl_mac_key_up_ref(MAC_KEY *mackey);
     30