SEAL

SEAL: Simple Encrypted Arithmetic Library. The Simple Encrypted Arithmetic Library is an easy-to-use homomorphic encryption library, developed by researchers in the Cryptography Research Group at Microsoft Research. SEAL is written in C++, and contains .NET wrappers for the public API. It has no external dependencies, so it is easy to compile in many different environments. SEAL uses the Microsoft Research License Agreement, and is free for research use.