1 files changed, 15 insertions, 0 deletions
diff --git a/src/lib/hash/hash.h b/src/lib/hash/hash.h
index 8406a4c0f..76c9d5cd7 100644
--- a/src/lib/hash/hash.h
+++ b/src/lib/hash/hash.h
@@ -23,10 +23,25 @@ class BOTAN_DLL HashFunction : public Buffered_Computation
       typedef SCAN_Name Spec;
 
       /**
+      * Create an instance based on a name
+      * Will return a null pointer if the algo/provider combination cannot
+      * be found. If providers is empty then best available is chosen.
+      */
+      static std::unique_ptr<HashFunction> create(const std::string& algo_spec,
+                                                  const std::string& provider = "");
+
+      /**
+      * Returns the list of available providers for this algorithm, empty if not available
+      */
+      static std::vector<std::string> providers(const std::string& algo_spec);
+
+      /**
       * @return new object representing the same algorithm as *this
       */
       virtual HashFunction* clone() const = 0;
 
+      HashFunction();
+
       virtual ~HashFunction();
 
       virtual void clear() = 0;