The present invention is directed toward providing a secure method to access data when the user has lost or forgotten the user password. In accordance with the invention and in a system where decryption of an access key will give access to data, two encrypted versions of the access key are...http://www.google.fr/patents/US5768373?utm_source=gb-gplus-shareBrevet US5768373 - Method for providing a secure non-reusable one-time password
Method for providing a secure non-reusable one-time password
