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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

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package org.bouncycastle.crypto.ec;

import org.bouncycastle.math.ec.ECPoint;

public class ECPair
{
    private final ECPoint x;
    private final ECPoint y;

    public ECPair(ECPoint x, ECPoint y)
    {
        this.x = x;
        this.y = y;
    }

    public ECPoint getX()
    {
        return x;
    }

    public ECPoint getY()
    {
        return y;
    }

    public boolean equals(ECPair other)
    {
        return other.getX().equals(getX()) && other.getY().equals(getY());
    }

    public boolean equals(Object other)
    {
        return other instanceof ECPair ? equals((ECPair)other) : false;
    }

    public int hashCode()
    {
        return x.hashCode() + 37 * y.hashCode();
    }
}