1 What is the difference between an index and a discrete logarithm? 2 What are the principal elements of a public-key cryptosystem? 3 What are the roles of the public and private key? 4 What are three...

1
What is the difference between an index and a discrete logarithm?

2
What are the principal elements of a public-key cryptosystem?

3
What are the roles of the public and private key?

4
What are three broad categories of applications of public-key cryptosystems?

5
What requirements must a public-key cryptosystems fulfill to be a secure algorithm?