What are the challenges of Key Crptosystems?

Answer has to be 2 pages at the most including references. 

 Follow APA6 guidelines. It should include an introduction, a body with fully developed content, and a conclusion 

  Support your answers with the readings from the course and at least two scholarly journal articles to support your positions, claims, and observations, in addition to your textbook. The UC Library is a great place to find resources.