crypto/hash.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Cryptographic API.
   4  *
   5  * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au>
   6  */
   7 #ifndef _LOCAL_CRYPTO_HASH_H
   8 #define _LOCAL_CRYPTO_HASH_H
   9
  10 #include <crypto/internal/hash.h>
  11 #include <linux/cryptouser.h>
  12
  13 #include "internal.h"
  14
  15 static inline int crypto_hash_report_stat(struct sk_buff *skb,
  16                                           struct crypto_alg *alg,
  17                                           const char *type)
  18 {
  19         struct hash_alg_common *halg = __crypto_hash_alg_common(alg);
  20         struct crypto_istat_hash *istat = hash_get_stat(halg);
  21         struct crypto_stat_hash rhash;
  22
  23         memset(&rhash, 0, sizeof(rhash));
  24
  25         strscpy(rhash.type, type, sizeof(rhash.type));
  26
  27         rhash.stat_hash_cnt = atomic64_read(&istat->hash_cnt);
  28         rhash.stat_hash_tlen = atomic64_read(&istat->hash_tlen);
  29         rhash.stat_err_cnt = atomic64_read(&istat->err_cnt);
  30
  31         return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash);
  32 }
  33
  34 int crypto_init_shash_ops_async(struct crypto_tfm *tfm);
  35 struct crypto_ahash *crypto_clone_shash_ops_async(struct crypto_ahash *nhash,
  36                                                   struct crypto_ahash *hash);
  37
  38 int hash_prepare_alg(struct hash_alg_common *alg);
  39
  40 #endif  /* _LOCAL_CRYPTO_HASH_H */