3p-circuit-oram-prac-repro/ObliVMGC/com/oblivm/backend/flexsc/CVCompEnv.java

// Copyright (C) 2014 by Xiao Shaun Wang <wangxiao@cs.umd.edu>
package com.oblivm.backend.flexsc;

import com.oblivm.backend.network.Network;
import com.oblivm.backend.util.Utils;

public class CVCompEnv extends BooleanCompEnv {
	public CVCompEnv(Network channel, Party p) {
		super(channel, p, Mode.VERIFY);
		this.party = p;
	}

	@Override
	public Boolean inputOfAlice(boolean in) {
		Boolean res = null;
		res = in;
		if (party == Party.Alice)
			channel.writeInt(in ? 1 : 0);
		else {
			int re = channel.readInt();
			res = re == 1;
		}
		channel.flush();
		return res;
	}

	@Override
	public Boolean inputOfBob(boolean in) {
		Boolean res = null;
		channel.flush();
		res = in;
		if (party == Party.Bob)
			channel.writeInt(in ? 1 : 0);
		else {
			int re = channel.readInt();
			res = re == 1;
		}
		channel.flush();
		return res;
	}

	@Override
	public boolean outputToAlice(Boolean out) {
		return out;
	}

	public boolean outputToBob(Boolean out) {
		return out;
	}

	@Override
	public Boolean and(Boolean a, Boolean b) {
		++Flag.sw.ands;
		++numOfAnds;
		return a && b;
	}

	@Override
	public Boolean xor(Boolean a, Boolean b) {
		return a ^ b;
	}

	@Override
	public Boolean not(Boolean a) {
		return !a;
	}

	public Boolean[] inputOfAlice(boolean[] in) {
		Boolean[] res = new Boolean[in.length];
		for (int i = 0; i < res.length; ++i)
			res[i] = inputOfAlice(in[i]);
		return res;
	}

	@Override
	public Boolean[] inputOfBob(boolean[] in) {
		Boolean[] res = new Boolean[in.length];
		for (int i = 0; i < res.length; ++i)
			res[i] = inputOfBob(in[i]);
		return res;
	}

	@Override
	public boolean[] outputToAlice(Boolean[] out) {
		return Utils.tobooleanArray(out);
	}

	@Override
	public boolean[] outputToBob(Boolean[] out) {
		return Utils.tobooleanArray(out);
	}

	@Override
	public void setEvaluate() {
		// TODO Auto-generated method stub

	}
}