This patch adds the helper crypto_aead_maxauthsize to remove the
need to directly dereference aead_alg internals by AEAD implementors.
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---
include/crypto/internal/aead.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h
index 84c17bb..4614f79 100644
--- a/include/crypto/internal/aead.h
+++ b/include/crypto/internal/aead.h
@@ -119,5 +119,10 @@ static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
crypto_aead_crt(aead)->reqsize = reqsize;
}
+static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
+{
+ return crypto_old_aead_alg(aead)->maxauthsize;
+}
+
#endif /* _CRYPTO_INTERNAL_AEAD_H */
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