WNafPreCompInfo.java revision e6bf3e8dfa2804891a82075cb469b736321b4827 
1package org.bouncycastle.math.ec;
2
3/**
4 * Class holding precomputation data for the WNAF (Window Non-Adjacent Form)
5 * algorithm.
6 */
7class WNafPreCompInfo implements PreCompInfo
8{
9    /**
10     * Array holding the precomputed <code>ECPoint</code>s used for the Window
11     * NAF multiplication in <code>
12     * {@link org.bouncycastle.math.ec.multiplier.WNafMultiplier.multiply()
13     * WNafMultiplier.multiply()}</code>.
14     */
15    private ECPoint[] preComp = null;
16
17    /**
18     * Holds an <code>ECPoint</code> representing twice(this). Used for the
19     * Window NAF multiplication in <code>
20     * {@link org.bouncycastle.math.ec.multiplier.WNafMultiplier.multiply()
21     * WNafMultiplier.multiply()}</code>.
22     */
23    private ECPoint twiceP = null;
24
25    protected ECPoint[] getPreComp()
26    {
27        return preComp;
28    }
29
30    protected void setPreComp(ECPoint[] preComp)
31    {
32        this.preComp = preComp;
33    }
34
35    protected ECPoint getTwiceP()
36    {
37        return twiceP;
38    }
39
40    protected void setTwiceP(ECPoint twiceThis)
41    {
42        this.twiceP = twiceThis;
43    }
44}
45