default namespace = ""

start =
  element gpgme {
    element keylist {
      element key {
        element revoked {
          attribute value { xsd:NMTOKEN }
        },
        element expired {
          attribute value { xsd:NMTOKEN }
        },
        element disabled {
          attribute value { xsd:NMTOKEN }
        },
        element invalid {
          attribute value { xsd:NMTOKEN }
        },
        element can-encrypt {
          attribute value { xsd:NMTOKEN }
        },
        element can-sign {
          attribute value { xsd:NMTOKEN }
        },
        element can-certify {
          attribute value { xsd:NMTOKEN }
        },
        element can-authenticate {
          attribute value { xsd:NMTOKEN }
        },
        element is-qualified {
          attribute value { xsd:NMTOKEN }
        },
        secret,
        element protocol {
          attribute value { xsd:integer },
          xsd:NCName
        },
        element issuer {
          element serial { empty },
          name
        },
        element chain-id { empty },
        element owner-trust {
          attribute value { xsd:integer },
          xsd:NCName
        },
        element subkeys {
          element subkey {
            element keyid { xsd:NMTOKEN },
            element fpr { text },
            secret,
            element is_cardkey {
              attribute value { xsd:NMTOKEN }
            },
            element curve { xsd:NCName }?
          }+
        },
        element uids { uid+ }
      }+
    }
  }
secret =
  element secret {
    attribute value { xsd:NMTOKEN }
  }
name = element name { text }
uid =
  element uid {
    (text
     | name
     | uid
     | element comment { text }
     | element email { xsd:anyURI })+
  }