Encrypted Cooperative Control Based on Structured Feedback
M. Schulze Darup, A. Redder, D.E. Quevedo, IEEE Control Systems Letters (2018) 37–42.

Towards Encrypted MPC for Linear Constrained Systems
M. Schulze Darup, A. Redder, I. Shames, F. Farokhi, D. Quevedo, IEEE Control Systems Letters (2017) 195–200.