Practice: Week 0 : Assignment 0

Privacy is primarily concerned with:

Which statement best distinguishes “security” from “privacy”?

Encryption, on its own, primarily provides which security property?

In symmetric-key encryption:

In asymmetric (public-key) encryption:

Which of the following is a widely used asymmetric (public-key) encryption scheme?

Which of the following is a widely used symmetric block cipher?

A cryptographic hash function is best described as:

Which property of a hash function ensures that it is computationally infeasible to find two distinct inputs that produce the same output?

Which of the following are properties expected of a good cryptographic hash function? (Select all that apply)

Which of the following are required properties of a set G with a binary operation ∗ for (G, ∗) to be a group? (Select all that apply)

A group in which the operation is commutative (a ∗ b = b ∗ a for all elements) is called:

The set {0, 1, ..., n−1} under addition modulo n forms:

What is 17 mod 5?

Which of the following sets, under multiplication modulo 7, forms the multiplicative group Z₇*?

The order of a finite group is defined as:

The Diffie-Hellman key exchange protocol relies on the presumed hardness of which problem?

The security of RSA relies primarily on the presumed hardness of:

A digital signature scheme is primarily intended to provide which of the following guarantees? (Select all that apply)

Which of the following best describes a “privacy-enhancing technology” (PET)?