diff --git a/crypto/ecdsa/ecdsa.h b/crypto/ecdsa/ecdsa.h
index 746c02060580a705f2cc4cb203d6004b410605d7..4f8197c3345192b13c74ea2430af700323d95949 100644
--- a/crypto/ecdsa/ecdsa.h
+++ b/crypto/ecdsa/ecdsa.h
@@ -256,6 +256,21 @@ ECDSA_METHOD *ECDSA_METHOD_new(ECDSA_METHOD *ecdsa_method);
  */
 void ECDSA_METHOD_free(ECDSA_METHOD *ecdsa_method);
 
+/**  Sets application specific data in the ECDSA_METHOD
+ *   \param  ecdsa_method pointer to existing ECDSA_METHOD
+ *   \param  app application specific data to set
+ */
+
+void ECDSA_METHOD_set_app_data(ECDSA_METHOD *ecdsa_method, void *app);
+
+/** Returns application specific data from a ECDSA_METHOD structure
+ *  \param ecdsa_method pointer to ECDSA_METHOD structure
+ *  \return pointer to application specific data.
+ */
+
+
+void * ECDSA_METHOD_get_app_data(ECDSA_METHOD *ecdsa_method);
+
 /**  Set the ECDSA_do_sign function in the ECDSA_METHOD
  *   \param  ecdsa_method  pointer to existing ECDSA_METHOD
  *   \param  ecdsa_do_sign a funtion of type ECDSA_do_sign
diff --git a/crypto/ecdsa/ecs_lib.c b/crypto/ecdsa/ecs_lib.c
index d559c9e1cb4a90cfa2b3193d8142ee56dd8b6991..7c5b8a9f8f99e60331f85c74612911876fb8a40f 100644
--- a/crypto/ecdsa/ecs_lib.c
+++ b/crypto/ecdsa/ecs_lib.c
@@ -328,4 +328,12 @@ void ECDSA_METHOD_free(ECDSA_METHOD *ecdsa_method)
 		OPENSSL_free(ecdsa_method);
 	}
 
+void ECDSA_METHOD_set_app_data(ECDSA_METHOD *ecdsa_method, void *app)
+	{
+	ecdsa_method->app_data = app;
+	}
 
+void * ECDSA_METHOD_get_app_data(ECDSA_METHOD *ecdsa_method)
+	{
+	return ecdsa_method->app_data;
+	}
diff --git a/crypto/ecdsa/ecs_locl.h b/crypto/ecdsa/ecs_locl.h
index 4b10530ad6387ea1bca52ff9468a0b867c619c82..238ac1ebc15858507186bf4be3985d68b2e4da5b 100644
--- a/crypto/ecdsa/ecs_locl.h
+++ b/crypto/ecdsa/ecs_locl.h
@@ -79,7 +79,7 @@ struct ecdsa_method
 	int (*finish)(EC_KEY *eckey);
 #endif
 	int flags;
-	char *app_data;
+	void *app_data;
 	};
 
 /* The ECDSA_METHOD was allocated and can be freed */