1 files changed, 46 insertions, 0 deletions
diff --git a/Crypto/src/math/ec/multiplier/WNafPreCompInfo.cs b/Crypto/src/math/ec/multiplier/WNafPreCompInfo.cs
new file mode 100644
index 000000000..d9305dace
--- /dev/null
+++ b/Crypto/src/math/ec/multiplier/WNafPreCompInfo.cs
@@ -0,0 +1,46 @@
+namespace Org.BouncyCastle.Math.EC.Multiplier
+{
+ /**
+ * Class holding precomputation data for the WNAF (Window Non-Adjacent Form)
+ * algorithm.
+ */
+ internal class WNafPreCompInfo
+ : 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;
+
+ internal ECPoint[] GetPreComp()
+ {
+ return preComp;
+ }
+
+ internal void SetPreComp(ECPoint[] preComp)
+ {
+ this.preComp = preComp;
+ }
+
+ internal ECPoint GetTwiceP()
+ {
+ return twiceP;
+ }
+
+ internal void SetTwiceP(ECPoint twiceThis)
+ {
+ this.twiceP = twiceThis;
+ }
+ }
+}
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