1 files changed, 5 insertions, 0 deletions
diff --git a/src/block/lion/lion.h b/src/block/lion/lion.h
index d4eb9c327..5076f4461 100644
--- a/src/block/lion/lion.h
+++ b/src/block/lion/lion.h
@@ -30,6 +30,11 @@ class BOTAN_DLL Lion : public BlockCipher
 
       size_t block_size() const { return BLOCK_SIZE; }
 
+      Key_Length_Specification key_spec() const
+         {
+         return Key_Length_Specification(2, 2*hash->output_length(), 2);
+         }
+
       void clear();
       std::string name() const;
       BlockCipher* clone() const;