1 files changed, 3 insertions, 1 deletions
diff --git a/src/mac/cmac/cmac.h b/src/mac/cmac/cmac.h
index aa9bfb38e..98634bdb7 100644
--- a/src/mac/cmac/cmac.h
+++ b/src/mac/cmac/cmac.h
@@ -19,10 +19,12 @@ namespace Botan {
 class BOTAN_DLL CMAC : public MessageAuthenticationCode
    {
    public:
-      void clear();
       std::string name() const;
+      size_t output_length() const { return e->block_size(); }
       MessageAuthenticationCode* clone() const;
 
+      void clear();
+
       Key_Length_Specification key_spec() const
          {
          return e->key_spec();