What is the main security risk of using SHA-2 directly as a MAC?

How did the Netherlands, Britain, and the United States respond to Japanese aggression in Southeast Asia in 1941?

The IV in CBC mode must remain secret.

Which of the following is true of Hitler and the Nazi Party?

Which three countries experienced the worst destruction to their cities caused by enemy bombing raids?

Authenticated encryption combines encryption and message authentication to prevent tampering.

Which two countries suffered the greatest number of casualties in World War I?

AES operates as a _____________  with a _________ size of __________________.

Which of the following was NOT an action undertaken by the British Crown and the East India Company that led to discontent among the Indian elite?

The property of a hash function that ensures it is computationally infeasible to find two different inputs that produce the same hash is called ________________.