On the security of data markets: controlled Private Function Evaluation

ePrint Report: On the security of data markets: controlled Private Function Evaluation

István Vajda

The income of companies working on data markets steadily grows year by year. Private function evaluation (PFE) is a valuable tool in solving corresponding security problems. The task of Controlled Private Function Evaluation (CPFE) and its relaxed version (rCPFE) was proposed in [11]. We define an ideal functionality for the latter task and present a UC-secure realization of the functionality against static malicious parties. The core …

data eprint report markets security