June 16, 2021


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E3: A Framework for Compiling C++ Programs with Encrypted Operands, by Eduardo Chielle and Oleg Mazonka and Homer Gamil and Nektarios Georgios Tsoutsos and Michail Maniatakos

In this technical report we describe E3 (Encrypt-Everything-Everywhere), a framework which enables execution of standard C++ code with homomorphically encrypted variables. The framework automatically generates protected types so the programmer can remain oblivious to the underlying encryption scheme. C++ protected classes redefine operators according to the encryption scheme effectively making the introduction of a new API unnecessary. At its current version, E3 supports a variety of homomorphic encryption libraries, batching, mixing different encryption schemes in the same program, as well as the ability to combine modular computation and bit-level computation.