A burden caused by handling a large number of unique identifying information pieces such as authentication keys is to be lightened from both the user side and the protector side such as application creators. A proof data verification device sends authentication data to a proof data generation device....http://www.google.fr/patents/US7137007?utm_source=gb-gplus-shareBrevet US7137007 - Device and method for authenticating user's access rights to resources
Device and method for authenticating user's access rights to resources