Provide more specific error message when ed25519 private key is invalid

2021-11-24 15:37:06 -05:00
parent 9c8e46eb5c
commit 6dcaaac712
2 changed files with 4 additions and 0 deletions
@@ -832,6 +832,8 @@ class DKIM(DomainSigner):
            pk = nacl.signing.SigningKey(privkey, encoder=nacl.encoding.Base64Encoder)
        except NameError:
            raise NaClNotFoundError('pynacl module required for ed25519 signing, see README.md')
+        except nacl.exceptions.ValueError:
+            raise KeyFormatError('invalid ed25519 private key or format')

    if identity is not None and not identity.endswith(domain):
        raise ParameterError("identity must end with domain")