Multi-party Stable matching Circuit

Hi, I am trying to understand a circuit given at: https://eprint.iacr.org/2019/275.pdf

The title of paper is: MPCircuits: Optimized Circuit Generation for Secure Multi-Party Computation

I have following questions:

why Preference of group1 starts from L_0 where as preference list from group2 starts with L_(n/2+1)?
Any reason why they used the priority encoder?
What is the technique for the security of preference list? Somebody please guide me. Zulfi.

by zak100
April 16, 2020

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