xref: /openbmc/linux/crypto/hash.h (revision ec788f7e)
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 */
41