Needed to use shash in cryptd hash.
Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
---
crypto/shash.c | 6 ++++++
include/crypto/algapi.h | 8 ++++++++
2 files changed, 14 insertions(+)
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -240,6 +240,14 @@ static inline struct cipher_alg *crypto_
return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
}
+static inline struct crypto_shash *crypto_spawn_shash(struct crypto_spawn *spawn)
+{
+ u32 type = CRYPTO_ALG_TYPE_SHASH;
+ u32 mask = CRYPTO_ALG_TYPE_MASK;
+
+ return (struct crypto_shash *)(crypto_spawn_tfm(spawn, type, mask));
+}
+
static inline struct crypto_hash *crypto_spawn_hash(struct crypto_spawn *spawn)
{
u32 type = CRYPTO_ALG_TYPE_HASH;
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -408,6 +408,9 @@ static int crypto_init_shash_ops_compat(
return 0;
}
+static int crypto_shash_init_tfm(struct crypto_tfm *tfm,
+ const struct crypto_type *frontend);
+
static int crypto_init_shash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
{
switch (mask & CRYPTO_ALG_TYPE_MASK) {
@@ -415,6 +418,9 @@ static int crypto_init_shash_ops(struct
return crypto_init_shash_ops_compat(tfm);
case CRYPTO_ALG_TYPE_AHASH_MASK:
return crypto_init_shash_ops_async(tfm);
+ case CRYPTO_ALG_TYPE_MASK:
+ if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_SHASH)
+ return crypto_shash_init_tfm(tfm, &crypto_shash_type);
}
return -EINVAL;
--
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