1 files changed, 1 insertions, 1 deletions
diff --git a/types.go b/types.go
index 22c35d4..c2a4599 100644
--- a/types.go
+++ b/types.go
@@ -20,7 +20,7 @@ type (
     Sign(message []byte, hash crypto.Hash) ([]byte, error)
 
     // return the private key structure
-    privateKey() crypto.PrivateKey
+    PrivateKey() crypto.PrivateKey
   }
 
   // interface for any public key