A smart card reader is adapted to extract and store authentication data from a response APDU received from a smart card before generating a filtered response APDU, wherein the filtered response APDU does not include the authentication data. Beneficially, when the smart card reader transmits the filtered...http://www.google.fr/patents/US7896247?utm_source=gb-gplus-shareBrevet US7896247 - Secure use of externally stored data
