Computer Science Homework Help

• Define public-key cryptosystem.
• In your own opinion, why do you think it is important to utilize public-key cryptosystem?
• How is it different from symmetric key algorithms?
• What are the 5 main requirements that a public-key cryptosystem must fulfill to be a secured algorithm? 

Please Note: This is not the same as the Discussion Board assignment, the principal ingredients of a public-key cryptosystem.