The invention is directed to a system for securing an integrated circuit chip used in an electronic device by utilizing a circuit or other entity to produce physically unclonable functions (PUF) to generate a security word, such as an RSA public or private key. A PUF, according to its name and configuration,...http://www.google.com/patents/US20080279373?utm_source=gb-gplus-sharePatent US20080279373 - Method and System for Electronically Securing an Electronic Device Using Physically Unclonable Functions