package org.bouncycastle.crypto.params;

import java.math.BigInteger;

import org.bouncycastle.math.ec.ECConstants;
import org.bouncycastle.math.ec.ECCurve;
import org.bouncycastle.math.ec.ECPoint;
import org.bouncycastle.util.Arrays;

public class ECDomainParameters
    implements ECConstants
{
    private ECCurve     curve;
    private byte[]      seed;
    private ECPoint     G;
    private BigInteger  n;
    private BigInteger  h;

    public ECDomainParameters(
        ECCurve     curve,
        ECPoint     G,
        BigInteger  n)
    {
        this(curve, G, n, ONE, null);
    }

    public ECDomainParameters(
        ECCurve     curve,
        ECPoint     G,
        BigInteger  n,
        BigInteger  h)
    {
        this(curve, G, n, h, null);
    }

    public ECDomainParameters(
        ECCurve     curve,
        ECPoint     G,
        BigInteger  n,
        BigInteger  h,
        byte[]      seed)
    {
        this.curve = curve;
        this.G = G.normalize();
        this.n = n;
        this.h = h;
        this.seed = seed;
    }

    public ECCurve getCurve()
    {
        return curve;
    }

    public ECPoint getG()
    {
        return G;
    }

    public BigInteger getN()
    {
        return n;
    }

    public BigInteger getH()
    {
        return h;
    }

    public byte[] getSeed()
    {
        return Arrays.clone(seed);
    }

    public boolean equals(
        Object  obj)
    {
        if (this == obj)
        {
            return true;
        }

        if ((obj instanceof ECDomainParameters))
        {
            ECDomainParameters other = (ECDomainParameters)obj;

            return this.curve.equals(other.curve) && this.G.equals(other.G) && this.n.equals(other.n) && this.h.equals(other.h);
        }

        return false;
    }

    public int hashCode()
    {
        int hc = curve.hashCode();

        hc += hc * 37 + G.hashCode();
        hc += hc * 37 + n.hashCode();
        hc += hc * 37 + h.hashCode();

        return hc;
    }
}

@@ -1851,33 +1851,32 @@
 rve.hashCode();%0A
-%0A
         hc += hc
@@ -1870,28 +1870,36 @@
      hc 
-+= hc * 37 +
+*= 37;%0A        hc %5E=
  G.hashC
@@ -1916,28 +1916,36 @@
      hc 
-+= hc * 37 +
+*= 37;%0A        hc %5E=
  n.hashC
@@ -1962,24 +1962,32 @@
     
- hc +=
  hc *
+=
  37
- +
+;%0A        hc %5E=
  h.h
@@ -1997,17 +1997,16 @@
 Code();%0A
-%0A
         

Update ECDomainParameters hashCode