3. Cryptography
Asymmetric Crypto — Quiz
Test your understanding of asymmetric crypto with 5 practice questions.
Practice Questions
Question 1
Which characteristic distinguishes asymmetric cryptography from symmetric cryptography?
Question 2
For an RSA system with prime factors p=17 and q=11, what is the value of $\phi(n)$? Show your calculation.
Question 3
In the same RSA system (p=17, q=11) with $\phi(n)=160$ and public exponent $e=7$, what is the private exponent $d$ that satisfies $7d\equiv1\pmod{160}$? Show your calculation.
Question 4
During a Diffie–Hellman key exchange, which value must each party keep secret?
Question 5
What is a primary advantage of Elliptic Curve Cryptography (ECC) over RSA at comparable security levels?