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      1 /*
      2  * Copyright 2021 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 "crypto/sm4.h"
     11 #include "prov/ciphercommon.h"
     12 #include "prov/ciphercommon_gcm.h"
     13 
     14 typedef struct prov_sm4_gcm_ctx_st {
     15     PROV_GCM_CTX base; /* must be first entry in struct */
     16     union {
     17         OSSL_UNION_ALIGN;
     18         SM4_KEY ks;
     19     } ks;
     20 } PROV_SM4_GCM_CTX;
     21 
     22 const PROV_GCM_HW *ossl_prov_sm4_hw_gcm(size_t keybits);
     23