1 files changed, 44 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/math/ec/WNafPreCompInfo.java b/core/src/main/java/org/bouncycastle/math/ec/WNafPreCompInfo.java
new file mode 100644
index 00000000..fc0d5fe9
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/math/ec/WNafPreCompInfo.java
@@ -0,0 +1,44 @@
+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;
+    }
+}