6 files changed, 94 insertions, 5 deletions
diff --git a/include/crypto/aead.h b/include/crypto/aead.h
index 077cae1e6b51..84d13b11ad7b 100644
--- a/include/crypto/aead.h
+++ b/include/crypto/aead.h
@@ -128,6 +128,7 @@ struct aead_request {
  * @exit: Deinitialize the cryptographic transformation object. This is a
  *	  counterpart to @init, used to remove various changes set in
  *	  @init.
+ * @base: Definition of a generic crypto cipher algorithm.
  *
  * All fields except @ivsize is mandatory and must be filled.
  */
diff --git a/include/crypto/akcipher.h b/include/crypto/akcipher.h
index 45cd5b328040..354de15cea6b 100644
--- a/include/crypto/akcipher.h
+++ b/include/crypto/akcipher.h
@@ -21,9 +21,9 @@
  * @src:	Source data
  * @dst:	Destination data
  * @src_len:	Size of the input buffer
- * @dst_len:	Size of the output buffer. It needs to be at leaset
+ * @dst_len:	Size of the output buffer. It needs to be at least
  *		as big as the expected result depending	on the operation
- *		After operation it will be updated with the acctual size of the
+ *		After operation it will be updated with the actual size of the
  *		result.
  *		In case of error where the dst sgl size was insufficient,
  *		it will be updated to the size required for the operation.
@@ -59,7 +59,7 @@ struct crypto_akcipher {
  *		algorithm. In case of error, where the dst_len was insufficient,
  *		the req->dst_len will be updated to the size required for the
  *		operation
- * @encrypt:	Function performs an encrytp operation as defined by public key
+ * @encrypt:	Function performs an encrypt operation as defined by public key
  *		algorithm. In case of error, where the dst_len was insufficient,
  *		the req->dst_len will be updated to the size required for the
  *		operation
@@ -73,7 +73,7 @@ struct crypto_akcipher {
  * @set_priv_key: Function invokes the algorithm specific set private key
  *		function, which knows how to decode and interpret
  *		the BER encoded private key
- * @max_size:	Function returns dest buffer size reqired for a given key.
+ * @max_size:	Function returns dest buffer size required for a given key.
  * @init:	Initialize the cryptographic transformation object.
  *		This function is used to initialize the cryptographic
  *		transformation object. This function is called only once at
@@ -232,7 +232,7 @@ static inline void akcipher_request_set_callback(struct akcipher_request *req,
 }
 
 /**
- * akcipher_request_set_crypt() -- Sets reqest parameters
+ * akcipher_request_set_crypt() -- Sets request parameters
  *
  * Sets parameters required by crypto operation
  *
diff --git a/include/crypto/internal/akcipher.h b/include/crypto/internal/akcipher.h
index 9a2bda15e454..479a0078f0f7 100644
--- a/include/crypto/internal/akcipher.h
+++ b/include/crypto/internal/akcipher.h
@@ -13,6 +13,22 @@
 #ifndef _CRYPTO_AKCIPHER_INT_H
 #define _CRYPTO_AKCIPHER_INT_H
 #include <crypto/akcipher.h>
+#include <crypto/algapi.h>
+
+struct akcipher_instance {
+	void (*free)(struct akcipher_instance *inst);
+	union {
+		struct {
+			char head[offsetof(struct akcipher_alg, base)];
+			struct crypto_instance base;
+		} s;
+		struct akcipher_alg alg;
+	};
+};
+
+struct crypto_akcipher_spawn {
+	struct crypto_spawn base;
+};
 
 /*
  * Transform internal helpers.
@@ -38,6 +54,56 @@ static inline const char *akcipher_alg_name(struct crypto_akcipher *tfm)
 	return crypto_akcipher_tfm(tfm)->__crt_alg->cra_name;
 }
 
+static inline struct crypto_instance *akcipher_crypto_instance(
+		struct akcipher_instance *inst)
+{
+	return container_of(&inst->alg.base, struct crypto_instance, alg);
+}
+
+static inline struct akcipher_instance *akcipher_instance(
+		struct crypto_instance *inst)
+{
+	return container_of(&inst->alg, struct akcipher_instance, alg.base);
+}
+
+static inline struct akcipher_instance *akcipher_alg_instance(
+		struct crypto_akcipher *akcipher)
+{
+	return akcipher_instance(crypto_tfm_alg_instance(&akcipher->base));
+}
+
+static inline void *akcipher_instance_ctx(struct akcipher_instance *inst)
+{
+	return crypto_instance_ctx(akcipher_crypto_instance(inst));
+}
+
+static inline void crypto_set_akcipher_spawn(
+		struct crypto_akcipher_spawn *spawn,
+		struct crypto_instance *inst)
+{
+	crypto_set_spawn(&spawn->base, inst);
+}
+
+int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn, const char *name,
+		u32 type, u32 mask);
+
+static inline struct crypto_akcipher *crypto_spawn_akcipher(
+		struct crypto_akcipher_spawn *spawn)
+{
+	return crypto_spawn_tfm2(&spawn->base);
+}
+
+static inline void crypto_drop_akcipher(struct crypto_akcipher_spawn *spawn)
+{
+	crypto_drop_spawn(&spawn->base);
+}
+
+static inline struct akcipher_alg *crypto_spawn_akcipher_alg(
+		struct crypto_akcipher_spawn *spawn)
+{
+	return container_of(spawn->base.alg, struct akcipher_alg, base);
+}
+
 /**
  * crypto_register_akcipher() -- Register public key algorithm
  *
@@ -57,4 +123,16 @@ int crypto_register_akcipher(struct akcipher_alg *alg);
  * @alg:	algorithm definition
  */
 void crypto_unregister_akcipher(struct akcipher_alg *alg);
+
+/**
+ * akcipher_register_instance() -- Unregister public key template instance
+ *
+ * Function registers an implementation of an asymmetric key algorithm
+ * created from a template
+ *
+ * @tmpl:	the template from which the algorithm was created
+ * @inst:	the template instance
+ */
+int akcipher_register_instance(struct crypto_template *tmpl,
+		struct akcipher_instance *inst);
 #endif
diff --git a/include/crypto/internal/rsa.h b/include/crypto/internal/rsa.h
index f997e2d29b5a..c7585bdecbc2 100644
--- a/include/crypto/internal/rsa.h
+++ b/include/crypto/internal/rsa.h
@@ -27,4 +27,6 @@ int rsa_parse_priv_key(struct rsa_key *rsa_key, const void *key,
 		       unsigned int key_len);
 
 void rsa_free_key(struct rsa_key *rsa_key);
+
+extern struct crypto_template rsa_pkcs1pad_tmpl;
 #endif
diff --git a/include/crypto/md5.h b/include/crypto/md5.h
index 146af825eedb..327deac963c0 100644
--- a/include/crypto/md5.h
+++ b/include/crypto/md5.h
@@ -13,6 +13,8 @@
 #define MD5_H2	0x98badcfeUL
 #define MD5_H3	0x10325476UL
 
+extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE];
+
 struct md5_state {
 	u32 hash[MD5_HASH_WORDS];
 	u32 block[MD5_BLOCK_WORDS];
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index dd7905a3c22e..c94d3eb1cefd 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h
@@ -64,6 +64,12 @@
 #define SHA512_H6	0x1f83d9abfb41bd6bULL
 #define SHA512_H7	0x5be0cd19137e2179ULL
 
+extern const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE];
+
+extern const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE];
+
+extern const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE];
+
 struct sha1_state {
 	u32 state[SHA1_DIGEST_SIZE / 4];
 	u64 count;