FragmentEncryptedTest.java
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	package crypto.elgamal.fragment;

	import static org.junit.Assert.*;

	import java.math.BigInteger;

	import org.bouncycastle.asn1.nist.NISTNamedCurves;
	import org.junit.Test;

	import crypto.elgamal.ECElGamal;

	public class FragmentEncryptedTest {

	@Test
	public void testAdd() {
	ECElGamal eccegScheme = new ECElGamal(NISTNamedCurves.getByName("P-384"));
	eccegScheme.initReverseDLTable();

	BigInteger msg1 = new BigInteger("4");
	BigInteger msg2 = new BigInteger("7");

	FragmentEncrypted fragEncrypted1 = eccegScheme.encrypt(msg1);
	FragmentEncrypted fragEncrypted2 = eccegScheme.encrypt(msg2);

	FragmentEncrypted fragSum = fragEncrypted1.add(fragEncrypted2);
	BigInteger sumDecrypted = eccegScheme.decrypt(fragSum);

	assertTrue("Addition homomorphic", sumDecrypted.equals(msg1.add(msg2)));
	}

	@Test
	public void testScale() {
	ECElGamal eccegScheme = new ECElGamal(NISTNamedCurves.getByName("P-384"));
	eccegScheme.initReverseDLTable();

	BigInteger msg = new BigInteger("7");
	BigInteger s = new BigInteger("3");

	FragmentEncrypted frag = eccegScheme.encrypt(msg);
	FragmentEncrypted fragScaled = frag.scale(s);
	BigInteger msgScaled = eccegScheme.decrypt(fragScaled);

	assertTrue("Scale homomorphic", msgScaled.equals(msg.multiply(s)));
	}

	}