crypto: shash - Add crypto_shash_blocksize
This function is needed by algorithms that don't know their own
block size, e.g., in s390 where the code is common between multiple
versions of SHA.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index d797e11..d56bb71 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -231,6 +231,11 @@
return crypto_tfm_alg_alignmask(crypto_shash_tfm(tfm));
}
+static inline unsigned int crypto_shash_blocksize(struct crypto_shash *tfm)
+{
+ return crypto_tfm_alg_blocksize(crypto_shash_tfm(tfm));
+}
+
static inline struct shash_alg *__crypto_shash_alg(struct crypto_alg *alg)
{
return container_of(alg, struct shash_alg, base);