This is the second in a series of guest posts highlighting new research in applied cryptography. This post is written by Foteini Baldimtsi who is a postdoc at Boston University and Olya Ohrimenko who is a postdoc at Microsoft Research. Note that Olya is on the job market this year. Modern cloud services let their users outsource data as well as request computations on it. Due to potentially sensitive content of users' data and distrust in cloud services, it is natural for users to outsource their data encrypted.