3p-circuit-oram-prac-repro/ObliVMGC/com/oblivm/backend/example/Sort.java

package com.oblivm.backend.example;

import java.util.Arrays;

import com.oblivm.backend.circuits.BitonicSortLib;
import com.oblivm.backend.flexsc.CompEnv;
import com.oblivm.backend.util.EvaRunnable;
import com.oblivm.backend.util.GenRunnable;
import com.oblivm.backend.util.Utils;

public class Sort {
	static public <T> void compute(CompEnv<T> gen, T[][] inputB) {
		BitonicSortLib<T> lib = new BitonicSortLib<T>(gen);
		lib.sort(inputB, lib.SIGNAL_ONE);
	}

	public static class Generator<T> extends GenRunnable<T> {
		T[][] inputB;

		@Override
		public void prepareInput(CompEnv<T> gen) {
			inputB = gen.newTArray(4000, 0);
			T[] scTemp = gen.inputOfBob(new boolean[4000 * 16]);
			for (int i = 0; i < inputB.length; ++i)
				inputB[i] = Arrays.copyOfRange(scTemp, i * 16, i * 16 + 16);
		}

		@Override
		public void secureCompute(CompEnv<T> gen) {
			compute(gen, inputB);
		}

		@Override
		public void prepareOutput(CompEnv<T> gen) {
		}
	}

	public static class Evaluator<T> extends EvaRunnable<T> {
		T[][] inputB;
		T[] scResult;

		@Override
		public void prepareInput(CompEnv<T> gen) {
			inputB = gen.newTArray(4000, 0);
			boolean[] temp = new boolean[4000 * 16];
			for (int i = 0; i < 4000; ++i)
				System.arraycopy(Utils.fromInt(CompEnv.rnd.nextInt(), 16), 0, temp, 16 * i, 16);

			T[] scTemp = gen.inputOfBob(temp);
			for (int i = 0; i < inputB.length; ++i)
				inputB[i] = Arrays.copyOfRange(scTemp, i * 16, i * 16 + 16);
		}

		@Override
		public void secureCompute(CompEnv<T> gen) {
			compute(gen, inputB);
		}

		@Override
		public void prepareOutput(CompEnv<T> gen) {
		}
	}
}