session-android/src/org/bouncycastle/math/ec/WNafPreCompInfo.java
2011-12-20 10:20:44 -08:00

45 lines
1.1 KiB
Java

package org.bouncycastle.math.ec;
/**
* Class holding precomputation data for the WNAF (Window Non-Adjacent Form)
* algorithm.
*/
class WNafPreCompInfo implements PreCompInfo
{
/**
* Array holding the precomputed <code>ECPoint</code>s used for the Window
* NAF multiplication in <code>
* {@link org.bouncycastle.math.ec.multiplier.WNafMultiplier.multiply()
* WNafMultiplier.multiply()}</code>.
*/
private ECPoint[] preComp = null;
/**
* Holds an <code>ECPoint</code> representing twice(this). Used for the
* Window NAF multiplication in <code>
* {@link org.bouncycastle.math.ec.multiplier.WNafMultiplier.multiply()
* WNafMultiplier.multiply()}</code>.
*/
private ECPoint twiceP = null;
protected ECPoint[] getPreComp()
{
return preComp;
}
protected void setPreComp(ECPoint[] preComp)
{
this.preComp = preComp;
}
protected ECPoint getTwiceP()
{
return twiceP;
}
protected void setTwiceP(ECPoint twiceThis)
{
this.twiceP = twiceThis;
}
}