Linux-libre 4.6.2-gnu

1 files changed, 21 insertions, 3 deletions

diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h
index fd8742a40..905490c1d 100644
--- a/include/crypto/skcipher.h
+++ b/include/crypto/skcipher.h
@@ -60,8 +60,7 @@ struct crypto_skcipher {
 
 	unsigned int ivsize;
 	unsigned int reqsize;
-
-	bool has_setkey;
+	unsigned int keysize;
 
 	struct crypto_tfm base;
 };
@@ -232,6 +231,12 @@ static inline int crypto_has_skcipher(const char *alg_name, u32 type,
 			      crypto_skcipher_mask(mask));
 }
 
+static inline const char *crypto_skcipher_driver_name(
+	struct crypto_skcipher *tfm)
+{
+	return crypto_tfm_alg_driver_name(crypto_skcipher_tfm(tfm));
+}
+
 /**
  * crypto_skcipher_ivsize() - obtain IV size
  * @tfm: cipher handle
@@ -309,7 +314,13 @@ static inline int crypto_skcipher_setkey(struct crypto_skcipher *tfm,
 
 static inline bool crypto_skcipher_has_setkey(struct crypto_skcipher *tfm)
 {
-	return tfm->has_setkey;
+	return tfm->keysize;
+}
+
+static inline unsigned int crypto_skcipher_default_keysize(
+	struct crypto_skcipher *tfm)
+{
+	return tfm->keysize;
 }
 
 /**
@@ -440,6 +451,13 @@ static inline void skcipher_request_free(struct skcipher_request *req)
 	kzfree(req);
 }
 
+static inline void skcipher_request_zero(struct skcipher_request *req)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+
+	memzero_explicit(req, sizeof(*req) + crypto_skcipher_reqsize(tfm));
+}
+
 /**
  * skcipher_request_set_callback() - set asynchronous callback function
  * @req: request handle