Abstract Logic locking “hides” the functionality of a digital circuit to protect it from counterfeiting, piracy, and malicious design modifications. The original is transformed into “locked” such that reveals its correct only when “unlocked” with secret sequence bits—the key bit-string. However, strong attacks, especially SAT attack uses solver recover bit-string, have been profoundly effective...

tioned into data path and control blocks. The data path block performs Boolean (AND, OR, XOR) or arithmetic (ADD, SHIFT, MULTIPLY) operations on data and address buses. Control logic generates signals that control the data path’s operation. Control logic is usually very random, whereas data path logic is highly regular because it performs similar operations on different bits of the same bus. De...

Abstract Variable-length encoding evolutionary algorithm has been proved effective in small and medium-sized reversible logic synthesis. chromosome is adopted because the length of optimal circuit unknown. However, it leads to huge search space. The improved two-stage hybrid synthesis proposed reduce space enhance feasible ratio. Fixed variable-length are applied two stages respectively. Estima...

This paper presents an approach to accelerate reactive processing via an external logic block that handles complex signal expressions. A reactive program, programmed in the synchronous language Esterel, is synthesized into a software component, running on the Kiel Esterel Processor, and a hardware component, consisting of simple combinational logic. The transformation process involves a two-ste...

Many safety-critical systems, such as autonomous vehicles and service robots, must achieve high-level task specifications with performance guarantees. Much recent progress toward this goal has been made through an automatic controller synthesis from temporal logic specifications. Existing approaches, however, have limited to relatively short simple Furthermore, existing methods either consider ...

The article presents a synthesis strategy focused on low power implementations of combinatorial circuits in an array-type FPGA structure. Logic functions are described by means BDD. A new form the SWitch activity BDD diagram (SWBDD) is proposed, which enables function decomposition to minimize switching circuits. essence proposed idea lies proper ordering variables and cutting diagram, ensuring...

Following the publication of Jonathan O. Chimakonam’s astounding book, Ezumezu: A System Logic for African Philosophy and Studies, a monumental piece in history philosophy logic, which also undergirds backbone conversational thinking, various uncharitable misconceptions misrepresentations have greeted work. Of several misconceptions, tendency to treat logic as an variant Friedrich Hegel’s diale...