Guest post by Boaz Barak and Zvika Brakerski In 2009, Craig Gentry shook the world of cryptography by presenting a construction of a Fully Homomorphic Encryption Scheme (FHE). In this post and the next one, we will explain what FHE is, why cryptographers are so excited about it, and how its construction works. There is … Continue reading The Swiss Army Knife of Cryptography