List three approaches to message authentication.

  • 3.1 List three approaches to message authentication.
  • 3.2 What is a message authentication code?
  • 3.4 What properties must a hash function have to be useful for message authentication?
  • 3.5 In the context of a hash function, what is a compression function?
  • 3.6 What are the principal ingredients of a public-key cryptosystem?
  • 3.7 List and briefly define three uses of a public-key cryptosystem.
  • 3.8 What is the difference between a private key and a secret key?
  • 3.9 What is a digital signature?

What is the international monetary system?

1.What is the international monetary system? What was Bretton Woods and why did it collapse? What is the current system of exchange rates?

2. What is the IMF, and what role does it play? What are two criticisms of the IMF and two of its opportunities for the future? What is the World Bank and what role does it play? What are two criticisms of the World Bank and two of its opportunities for the future?

3. Describe a spot rate and a forward rate. What are the main differences between a forward contract and a futures contract?

4. What is a capital market? What is an international capital market? What is the role of bond and equity markets?