This invention discloses a method of authenticating a signature of a message m comprising the steps of determining a hash h(m) of the message by application of a hash function and deriving therefrom a first signature component. The signor then computes a function mathematically related to the hash of...http://www.google.de/patents/US6097813?utm_source=gb-gplus-sharePatent US6097813 - Digital signature protocol with reduced bandwidth
