X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fcrypto%2Fhash.h;h=6361892ea737137899c5d9489634446cb3bdedac;hb=662d618b983cd0566a1cc2ed28c09a0a4b07b9f3;hp=8e920b44c0ac4b14238ef0877812fab4eaf7f8b8;hpb=2dab48ef2b2e8b53373acbe354e7c635b03115e1;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 8e920b44c0ac..6361892ea737 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -204,6 +204,7 @@ struct crypto_ahash {
 		      unsigned int keylen);
 
 	unsigned int reqsize;
+	bool has_setkey;
 	struct crypto_tfm base;
 };
 
@@ -264,6 +265,20 @@ static inline unsigned int crypto_ahash_alignmask(
 	return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm));
 }
 
+/**
+ * crypto_ahash_blocksize() - obtain block size for cipher
+ * @tfm: cipher handle
+ *
+ * The block size for the message digest cipher referenced with the cipher
+ * handle is returned.
+ *
+ * Return: block size of cipher
+ */
+static inline unsigned int crypto_ahash_blocksize(struct crypto_ahash *tfm)
+{
+	return crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
+}
+
 static inline struct hash_alg_common *__crypto_hash_alg_common(
 	struct crypto_alg *alg)
 {
@@ -361,6 +376,11 @@ static inline void *ahash_request_ctx(struct ahash_request *req)
 int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
 			unsigned int keylen);
 
+static inline bool crypto_ahash_has_setkey(struct crypto_ahash *tfm)
+{
+	return tfm->has_setkey;
+}
+
 /**
  * crypto_ahash_finup() - update and finalize message digest
  * @req: reference to the ahash_request handle that holds all information