comment PairFromED25519

helper/communicator/sshkey/generate.go

@@ -62,6 +62,10 @@ func NewPair(public, private interface{}) (*Pair, error) {
 	}, nil
 }
 
+// PairFromED25519 marshalls a valid pair of openssh pem for ED25519 keypairs.
+// NewPair can handle ed25519 pairs but generates the wrong format apparently:
+// `Load key "id_ed25519": invalid format` is the error that happens when I try
+// to ssh with such a key.
 func PairFromED25519(public ed25519.PublicKey, private ed25519.PrivateKey) (*Pair, error) {
 	// see https://github.com/golang/crypto/blob/7f63de1d35b0f77fa2b9faea3e7deb402a2383c8/ssh/keys.go#L1273-L1443
 	key := struct {