Foundations of Cryptography Lecture 10 Lecturer: Moni Naor.
1 L is in NP means: There is a language L’ in P and a polynomial p so that L 1 · L 2 means: For some polynomial time computable map r : 8 x: x 2 L 1 iff.
Joint work with:
1 How to establish NP-hardness Lemma: If L 1 is NP-hard and L 1 ≤ L 2 then L 2 is NP-hard.
How to establish NP -hardness
SAT
