FragmentPartial.java
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	package crypto.elgamal;

	import org.bouncycastle.math.ec.ECPoint;

	public class FragmentPartial extends FragmentEncrypted {

	private ECPoint T;
	private int partNumber;

	public FragmentPartial(int partNumber, FragmentEncrypted encrypted, ECPoint T) {
	super(encrypted.getR(), encrypted.getS());

	if (!validPartNumber(partNumber)) {
	throw new IllegalArgumentException("not a valid part number");
	}
	this.partNumber = partNumber;
	this.T = T;
	}

	public ECPoint getT() {
	return T;
	}

	public int getPartNumber() {
	return partNumber;
	}

	private boolean validPartNumber(int partNumber) {
	switch (partNumber)
	{
	case ECElGamal.PART_SPU:
	case ECElGamal.PART_MU:
	return true;
	default:
	return false;
	}
	}

	@Override
	public int hashCode() {
	final int prime = 31;
	int result = super.hashCode();
	result = prime * result + ((T == null) ? 0 : T.hashCode());
	result = prime * result + partNumber;
	return result;
	}

	@Override
	public boolean equals(Object obj) {
	if (this == obj)
	return true;
	if (!super.equals(obj))
	return false;
	if (getClass() != obj.getClass())
	return false;
	FragmentPartial other = (FragmentPartial) obj;
	if (T == null) {
	if (other.T != null)
	return false;
	} else if (!T.equals(other.T))
	return false;
	if (partNumber != other.partNumber)
	return false;
	return true;
	}

	public boolean equalsFragmentEncrypted(Object obj) {
	if (this == obj)
	return true;
	if (!super.equals(obj))
	return false;
	return true;
	}

	}