Describe One-Way Function

Question

Describe One-Way Function? Also state how it can be evaluated.

Answer 1

A one-way function is a mathematical function which is considerably simple to perform in one direction (that is, the forward direction) than in opposite direction (that is, the inverse direction). This might be possible, for illustration, to evaluate the function in seconds however to compute its inverse could take months and years. The trap-door one-way function is a one-way function where the inverse direction is simple provided a certain piece of information (that is, the trap door), however difficult otherwise.