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package org.bouncycastle.math.ec;
/**
* Class holding precomputation data for the WNAF (Window Non-Adjacent Form)
* algorithm.
*/
public class WNafPreCompInfo implements PreCompInfo
{
/**
* Array holding the precomputed <code>ECPoint</code>s used for a Window
* NAF multiplication.
*/
private ECPoint[] preComp = null;
/**
* Array holding the negations of the precomputed <code>ECPoint</code>s used
* for a Window NAF multiplication.
*/
private ECPoint[] preCompNeg = null;
/**
* Holds an <code>ECPoint</code> representing twice(this). Used for the
* Window NAF multiplication to create or extend the precomputed values.
*/
private ECPoint twiceP = null;
protected ECPoint[] getPreComp()
{
return preComp;
}
protected ECPoint[] getPreCompNeg()
{
return preCompNeg;
}
protected void setPreComp(ECPoint[] preComp)
{
this.preComp = preComp;
}
protected void setPreCompNeg(ECPoint[] preCompNeg)
{
this.preCompNeg = preCompNeg;
}
protected ECPoint getTwiceP()
{
return twiceP;
}
protected void setTwiceP(ECPoint twiceP)
{
this.twiceP = twiceP;
}
}
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