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Diffstat (limited to 'crypto/ahash.c')
-rw-r--r--crypto/ahash.c81
1 files changed, 48 insertions, 33 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c
index ff8c79d975c1..c886cec64c23 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -8,19 +8,18 @@
* Copyright (c) 2008 Loc Ho <lho@amcc.com>
*/
-#include <crypto/internal/hash.h>
#include <crypto/scatterwalk.h>
+#include <linux/cryptouser.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
-#include <linux/cryptouser.h>
-#include <linux/compiler.h>
+#include <linux/string.h>
#include <net/netlink.h>
-#include "internal.h"
+#include "hash.h"
static const struct crypto_type crypto_ahash_type;
@@ -296,55 +295,60 @@ static int crypto_ahash_op(struct ahash_request *req,
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
unsigned long alignmask = crypto_ahash_alignmask(tfm);
+ int err;
if ((unsigned long)req->result & alignmask)
- return ahash_op_unaligned(req, op, has_state);
+ err = ahash_op_unaligned(req, op, has_state);
+ else
+ err = op(req);
- return op(req);
+ return crypto_hash_errstat(crypto_hash_alg_common(tfm), err);
}
int crypto_ahash_final(struct ahash_request *req)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
- struct crypto_alg *alg = tfm->base.__crt_alg;
- unsigned int nbytes = req->nbytes;
- int ret;
+ struct hash_alg_common *alg = crypto_hash_alg_common(tfm);
- crypto_stats_get(alg);
- ret = crypto_ahash_op(req, crypto_ahash_reqtfm(req)->final, true);
- crypto_stats_ahash_final(nbytes, ret, alg);
- return ret;
+ if (IS_ENABLED(CONFIG_CRYPTO_STATS))
+ atomic64_inc(&hash_get_stat(alg)->hash_cnt);
+
+ return crypto_ahash_op(req, tfm->final, true);
}
EXPORT_SYMBOL_GPL(crypto_ahash_final);
int crypto_ahash_finup(struct ahash_request *req)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
- struct crypto_alg *alg = tfm->base.__crt_alg;
- unsigned int nbytes = req->nbytes;
- int ret;
+ struct hash_alg_common *alg = crypto_hash_alg_common(tfm);
- crypto_stats_get(alg);
- ret = crypto_ahash_op(req, crypto_ahash_reqtfm(req)->finup, true);
- crypto_stats_ahash_final(nbytes, ret, alg);
- return ret;
+ if (IS_ENABLED(CONFIG_CRYPTO_STATS)) {
+ struct crypto_istat_hash *istat = hash_get_stat(alg);
+
+ atomic64_inc(&istat->hash_cnt);
+ atomic64_add(req->nbytes, &istat->hash_tlen);
+ }
+
+ return crypto_ahash_op(req, tfm->finup, true);
}
EXPORT_SYMBOL_GPL(crypto_ahash_finup);
int crypto_ahash_digest(struct ahash_request *req)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
- struct crypto_alg *alg = tfm->base.__crt_alg;
- unsigned int nbytes = req->nbytes;
- int ret;
+ struct hash_alg_common *alg = crypto_hash_alg_common(tfm);
+
+ if (IS_ENABLED(CONFIG_CRYPTO_STATS)) {
+ struct crypto_istat_hash *istat = hash_get_stat(alg);
+
+ atomic64_inc(&istat->hash_cnt);
+ atomic64_add(req->nbytes, &istat->hash_tlen);
+ }
- crypto_stats_get(alg);
if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY)
- ret = -ENOKEY;
- else
- ret = crypto_ahash_op(req, tfm->digest, false);
- crypto_stats_ahash_final(nbytes, ret, alg);
- return ret;
+ return crypto_hash_errstat(alg, -ENOKEY);
+
+ return crypto_ahash_op(req, tfm->digest, false);
}
EXPORT_SYMBOL_GPL(crypto_ahash_digest);
@@ -498,6 +502,12 @@ static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
__crypto_hash_alg_common(alg)->digestsize);
}
+static int __maybe_unused crypto_ahash_report_stat(
+ struct sk_buff *skb, struct crypto_alg *alg)
+{
+ return crypto_hash_report_stat(skb, alg, "ahash");
+}
+
static const struct crypto_type crypto_ahash_type = {
.extsize = crypto_ahash_extsize,
.init_tfm = crypto_ahash_init_tfm,
@@ -506,6 +516,9 @@ static const struct crypto_type crypto_ahash_type = {
.show = crypto_ahash_show,
#endif
.report = crypto_ahash_report,
+#ifdef CONFIG_CRYPTO_STATS
+ .report_stat = crypto_ahash_report_stat,
+#endif
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_AHASH_MASK,
.type = CRYPTO_ALG_TYPE_AHASH,
@@ -537,14 +550,16 @@ EXPORT_SYMBOL_GPL(crypto_has_ahash);
static int ahash_prepare_alg(struct ahash_alg *alg)
{
struct crypto_alg *base = &alg->halg.base;
+ int err;
- if (alg->halg.digestsize > HASH_MAX_DIGESTSIZE ||
- alg->halg.statesize > HASH_MAX_STATESIZE ||
- alg->halg.statesize == 0)
+ if (alg->halg.statesize == 0)
return -EINVAL;
+ err = hash_prepare_alg(&alg->halg);
+ if (err)
+ return err;
+
base->cra_type = &crypto_ahash_type;
- base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
base->cra_flags |= CRYPTO_ALG_TYPE_AHASH;
return 0;