2021-11-12 12:59:40

by Hannes Reinecke

Subject: [PATCH 01/12] crypto: add crypto_has_shash()

Add helper function to determine if a given synchronous hash is supported.

Signed-off-by: Hannes Reinecke <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
---
crypto/shash.c | 6 ++++++
include/crypto/hash.h | 2 ++
2 files changed, 8 insertions(+)

diff --git a/crypto/shash.c b/crypto/shash.c
index 0a0a50cb694f..4c88e63b3350 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -521,6 +521,12 @@ struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
}
EXPORT_SYMBOL_GPL(crypto_alloc_shash);

+int crypto_has_shash(const char *alg_name, u32 type, u32 mask)
+{
+ return crypto_type_has_alg(alg_name, &crypto_shash_type, type, mask);
+}
+EXPORT_SYMBOL_GPL(crypto_has_shash);
+
static int shash_prepare_alg(struct shash_alg *alg)
{
struct crypto_alg *base = &alg->base;
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index f140e4643949..f5841992dc9b 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -718,6 +718,8 @@ static inline void ahash_request_set_crypt(struct ahash_request *req,
struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
u32 mask);

+int crypto_has_shash(const char *alg_name, u32 type, u32 mask);
+
static inline struct crypto_tfm *crypto_shash_tfm(struct crypto_shash *tfm)
{
return &tfm->base;
--
2.29.2

2021-11-15 15:53:40

by Himanshu Madhani

Subject: Re: [PATCH 01/12] crypto: add crypto_has_shash()

On 11/12/21 06:59, Hannes Reinecke wrote:
> Add helper function to determine if a given synchronous hash is supported.
>
> Signed-off-by: Hannes Reinecke <[email protected]>
> Reviewed-by: Sagi Grimberg <[email protected]>
> Reviewed-by: Chaitanya Kulkarni <[email protected]>
> ---
> crypto/shash.c | 6 ++++++
> include/crypto/hash.h | 2 ++
> 2 files changed, 8 insertions(+)
>
> diff --git a/crypto/shash.c b/crypto/shash.c
> index 0a0a50cb694f..4c88e63b3350 100644
> --- a/crypto/shash.c
> +++ b/crypto/shash.c
> @@ -521,6 +521,12 @@ struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
> }
> EXPORT_SYMBOL_GPL(crypto_alloc_shash);
>
> +int crypto_has_shash(const char *alg_name, u32 type, u32 mask)
> +{
> + return crypto_type_has_alg(alg_name, &crypto_shash_type, type, mask);
> +}
> +EXPORT_SYMBOL_GPL(crypto_has_shash);
> +
> static int shash_prepare_alg(struct shash_alg *alg)
> {
> struct crypto_alg *base = &alg->base;
> diff --git a/include/crypto/hash.h b/include/crypto/hash.h
> index f140e4643949..f5841992dc9b 100644
> --- a/include/crypto/hash.h
> +++ b/include/crypto/hash.h
> @@ -718,6 +718,8 @@ static inline void ahash_request_set_crypt(struct ahash_request *req,
> struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
> u32 mask);
>
> +int crypto_has_shash(const char *alg_name, u32 type, u32 mask);
> +
> static inline struct crypto_tfm *crypto_shash_tfm(struct crypto_shash *tfm)
> {
> return &tfm->base;
>

Reviewed-by: Himanshu Madhani <[email protected]>

--
Himanshu Madhani Oracle Linux Engineering