Brett Hemenway

The primary purpose of the Programming Computation on Encrypted Data (PROCEED) program is to improve the efficiency of algorithms that allow people to carry out computations on encrypted data without having to decrypt the data itself. RAND was asked to evaluate whether PROCEED which expands the knowledge base of the global cryptographic community is likely to provide more benefits to the United States than it does to its global rivals."

Satellite anomalies are mission-degrading events that negatively affect on-orbit operational spacecraft. Maintaining a widely accessible and comprehensive database is one way to build an understanding of what situations are likely to result in satellite anomalies, but no such database exists. This report describes the nature and causes of satellite anomalies, and the potential benefits of a shared and centralized satellite anomaly database.

This report examines the feasibility of using modern cryptographic tools to improve space situational awareness. Specifically, the authors examine the applicability of secure multi-party computation (MPC) protocols as a means to compute the collision probability of two satellites. MPC protocols would provide satellite operators with a way to compute such conjunction analyses while maintaining the privacy of each operator s orbital information."