  Quantum homomorphic encryption (QHE), allows a quantum cloud server to
compute on private data as uploaded by a client. We provide a proof-of-concept
software simulation for QHE, according to the "EPR" scheme of Broadbent and
Jeffery, for universal quantum circuits. We demonstrate the near-term viability
of this scheme and provide verification that the additional cost of homomorphic
circuit evaluation is minor when compared to the simulation cost of the quantum
operations. Our simulation toolkit is an open-source Python implementation,
that serves as a step towards further hardware applications of quantum
homomorphic encryption between networked quantum devices.
