linux/crypto/hash.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Cryptographic API.
*
* Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au>
*/
#ifndef _LOCAL_CRYPTO_HASH_H
#define _LOCAL_CRYPTO_HASH_H
#include <crypto/internal/hash.h>
#include <linux/cryptouser.h>
#include "internal.h"
static inline struct crypto_istat_hash *hash_get_stat(
struct hash_alg_common *alg)
{
#ifdef CONFIG_CRYPTO_STATS
return &alg->stat;
#else
return NULL;
#endif
}
static inline int crypto_hash_report_stat(struct sk_buff *skb,
struct crypto_alg *alg,
const char *type)
{
struct hash_alg_common *halg = __crypto_hash_alg_common(alg);
struct crypto_istat_hash *istat = hash_get_stat(halg);
struct crypto_stat_hash rhash;
memset(&rhash, 0, sizeof(rhash));
strscpy(rhash.type, type, sizeof(rhash.type));
rhash.stat_hash_cnt = atomic64_read(&istat->hash_cnt);
rhash.stat_hash_tlen = atomic64_read(&istat->hash_tlen);
rhash.stat_err_cnt = atomic64_read(&istat->err_cnt);
return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash);
}
extern const struct crypto_type crypto_shash_type;
int hash_prepare_alg(struct hash_alg_common *alg);
#endif /* _LOCAL_CRYPTO_HASH_H */