3 files changed, 27 insertions, 22 deletions
diff --git a/src/libstate/algo_factory.cpp b/src/libstate/algo_factory.cpp
index cbb3c8faa..282f6795e 100644
--- a/src/libstate/algo_factory.cpp
+++ b/src/libstate/algo_factory.cpp
@@ -71,4 +71,18 @@ HashFunction* Algorithm_Factory::make_hash_function(const SCAN_Name& request)
    throw Algorithm_Not_Found(request.as_string());
    }
 
+void Algorithm_Factory::add_hash_function(HashFunction* hash)
+   {
+   for(u32bit i = 0; i != engines.size(); ++i)
+      {
+      if(engines[i]->can_add_algorithms())
+         {
+         engines[i]->add_algorithm(hash);
+         return;
+         }
+      }
+
+   throw Exception("Algorithm_Factory::add_hash_function: No engine found");
+   }
+
 }
diff --git a/src/libstate/algo_factory.h b/src/libstate/algo_factory.h
index 57b94fbb3..9591d1dd0 100644
--- a/src/libstate/algo_factory.h
+++ b/src/libstate/algo_factory.h
@@ -22,9 +22,6 @@ class BOTAN_DLL Algorithm_Factory
    public:
       ~Algorithm_Factory();
 
-      const HashFunction* prototype_hash_function(const SCAN_Name& request);
-      HashFunction* make_hash_function(const SCAN_Name& request);
-
       void add_engine(class Engine*);
 
       class BOTAN_DLL Engine_Iterator
@@ -38,6 +35,11 @@ class BOTAN_DLL Algorithm_Factory
          };
       friend class Engine_Iterator;
 
+      // Hash function operations
+      const HashFunction* prototype_hash_function(const SCAN_Name& request);
+      HashFunction* make_hash_function(const SCAN_Name& request);
+      void add_hash_function(HashFunction* hash);
+
    private:
       class Engine* get_engine_n(u32bit) const;
 
diff --git a/src/libstate/lookup.cpp b/src/libstate/lookup.cpp
index 52e986ff2..f53b1a099 100644
--- a/src/libstate/lookup.cpp
+++ b/src/libstate/lookup.cpp
@@ -27,6 +27,14 @@ HashFunction* get_hash(const std::string& algo_spec)
    }
 
 /*************************************************
+* Add a new hash function                        *
+*************************************************/
+void add_algorithm(Library_State& libstate, HashFunction* algo)
+   {
+   libstate.algo_factory().add_hash_function(algo);
+   }
+
+/*************************************************
 * Query if Botan has the named hash function     *
 *************************************************/
 bool have_hash(const std::string& algo_spec)
@@ -312,25 +320,6 @@ void add_algorithm(Library_State& libstate, StreamCipher* algo)
    }
 
 /*************************************************
-* Add a new hash function                        *
-*************************************************/
-void add_algorithm(Library_State& libstate, HashFunction* algo)
-   {
-   Algorithm_Factory::Engine_Iterator i(libstate.algo_factory());
-
-   while(Engine* engine = i.next())
-      {
-      if(engine->can_add_algorithms())
-         {
-         engine->add_algorithm(algo);
-         return;
-         }
-      }
-
-   throw Invalid_State("add_algorithm: Couldn't find the Default_Engine");
-   }
-
-/*************************************************
 * Add a new authentication code                  *
 *************************************************/
 void add_algorithm(Library_State& libstate,