INTEGRATION PROTECTIVE DEVICE AND AN INTEGRATION SECURITY METHOD, FOR SIMULTANEOUSLY PERFORMING A DEVICE AUTHENTICATION THROUGH A PUF AND A DATA SECURITY THROUGH A STREAM ENCRYPTION

摘要

PURPOSE: An integration protective device and an integration security method are provided to simultaneously perform a device authentication and a stream encryption by changing an action mode in a process using communally a device overlapped with of a PUF(Physical Unclonable Function) circuit and a FSR(Feedback Shift Register) circuit.;CONSTITUTION: An action mode control part(110) decides an authentication mode performing a device authentication and an encryption mode performing a stream encryption. An authentication part performs the device authentication using a difference of data route divided by an input data in the authentication mode. An encryption part stream-encrypts an input value through a calculation in the encryption mode. The authentication part include a plurality of operators performing a bit calculation and unit route sets including a second multiplexor with selecting one of an output of the buffers and a plurality of buffers having different route delay properties.;COPYRIGHT KIPO 2010