provide example for key generation

MatthiasValvekens · Jun 27, 2022 · 966ee77 · 966ee77
1 parent 40c9a5b
commit 966ee77
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/certomancer/registry/keys.py b/certomancer/registry/keys.py
@@ -75,7 +75,10 @@ def _load(self):
                 else:
                     private, public = load_private_key(key_bytes, self.password)
             except Exception as e:
-                raise IOError(f"Failed to load key in {self.path}") from e
+                raise IOError(
+                    f"Failed to load key in {self.path} "
+                    f"Generate (for example) with `ssh-keygen -t rsa -b 4096 -m PEM -f {self.path}`"
+                ) from e
             self._key = AsymKey(public=public, private=private)
 
     @property