package org.bouncycastle.crypto.params;import java.math.BigInteger;import org.bouncycastle.crypto.CipherParameters;public class DSAParameters    implements CipherParameters{    private BigInteger              g;    private BigInteger              q;    private BigInteger              p;    private DSAValidationParameters validation;    public DSAParameters(        BigInteger  p,        BigInteger  q,        BigInteger  g)    {        this.g = g;        this.p = p;        this.q = q;    }       public DSAParameters(        BigInteger              p,        BigInteger              q,        BigInteger              g,        DSAValidationParameters params)    {        this.g = g;        this.p = p;        this.q = q;        this.validation = params;    }       public BigInteger getP()    {        return p;    }    public BigInteger getQ()    {        return q;    }    public BigInteger getG()    {        return g;    }    public DSAValidationParameters getValidationParameters()    {        return validation;    }    public boolean equals(        Object  obj)    {        if (!(obj instanceof DSAParameters))        {            return false;        }        DSAParameters    pm = (DSAParameters)obj;        return (pm.getP().equals(p) && pm.getQ().equals(q) && pm.getG().equals(g));    }        public int hashCode()    {        return getP().hashCode() ^ getQ().hashCode() ^ getG().hashCode();    }}