Definitions for "LFSR"
Linear Feedback Shift Register (Teststrategie)
A shift register whose data input is generated as an XOR or XNOR of two or more elements in the register chain.
a linear transform, a cleaver attacker could concivably feed in inputs which nullify data within the pool
a predictibly efficient mean to generate the test patterns, it can be used during design, verification and for production tests