class GPGME::KeySig

def expired?
  @expired == 1
end

def expires
  Time.at(@expires)
end

def exportable?
  @exportable == 1
end

def inspect
  "#<#{self.class} #{keyid} timestamp=#{timestamp}, expires=#{expires}>"
end

def invalid?
  @invalid == 1
end

def revoked?
  @revoked == 1
end

def timestamp
  Time.at(@timestamp)
end