Rafail Ostrovsky (born 1963) is a professor of computer science and mathematics at UCLA and a well-known researcher in algorithms and cryptography. Prof. Ostrovsky received his Ph.D. from MIT in 1992. He is a member of the Editorial Board of Algorithmica [1], Editorial Board of Journal of Cryptology [2] and Editorial and Advisory Board of the International Journal of Information and Computer Security [3].Prof.