This set of MCQ(multiple choice questions) focuses on the Foundations of Cryptography NPTEL Week 2 Assignment Solutions.
Course Layout (Answers Link)
- Week 1: Assignment answers
- Week 2: Assignment answers
- Week 3: Assignment answers
- Week 4: Assignment answers
- Week 5: Assignment answers
- Week 6: Assignment answers
- Week 7: Assignment answers
- Week 8: Assignment answers
- Week 9: Assignment answers
- Week 10: Assignment answers
- Week 11: Assignment answers
- Week 12: Assignment answers
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Foundations of Cryptography NPTEL Week 2 Assignment Solutions
Q1. Let G be a secure PRG. Then which of the following is not a secure PRG?
Answer: a), b), c), d)
Q2. Which of the following is(are) true about PRG?
a) A PRG is a deterministic algorithm
b) A PRG is a randomized algorithm
c) We can construct a PRG, which is secure against a computationally unbounded adversary
d) A computationally unbounded adversary can always determine the seed of a secure PRG, by seeing the output of the PRG
Answer: a), d)
Q3. Select the incorrect statement(s):
a) While using a PRG, same key can be used for every instance of encryption
b) If G(s) is a secure PRG, then G1 (s) ≝ G(s) || G(s+2) is also a secure PRG
Answer: a), b)
Q4. Let G:{0,1}m => {0,1}n be a secure PRG. Then which of the following is/are false?
Answer: c), d)
Q5.
a) Function G is a PRG
b) Function G is a true random number generator
c) Function G is not a PRG
Answer: c)
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week 3 answer?