Implement ed25519 certs.

God damn it took me ages to notice that frickin self.public_blob = None bit :( :( :( :(

1 files changed, 5 insertions, 3 deletions

diff --git a/paramiko/ed25519key.py b/paramiko/ed25519key.py
index d904f1ac..2e1eb18a 100644
--- a/paramiko/ed25519key.py
+++ b/paramiko/ed25519key.py
@@ -50,8 +50,11 @@ class Ed25519Key(PKey):
         if msg is None and data is not None:
             msg = Message(data)
         if msg is not None:
-            if msg.get_text() != "ssh-ed25519":
-                raise SSHException("Invalid key")
+            self._check_type_and_load_cert(
+                msg=msg,
+                key_type="ssh-ed25519",
+                cert_type="ssh-ed25519-cert-v01@openssh.com",
+            )
             verifying_key = nacl.signing.VerifyKey(msg.get_binary())
         elif filename is not None:
             with open(filename, "r") as f:
@@ -63,7 +66,6 @@ class Ed25519Key(PKey):
 
         self._signing_key = signing_key
         self._verifying_key = verifying_key
-        self.public_blob = None
 
     def _parse_signing_key_data(self, data, password):
         from paramiko.transport import Transport