1 files changed, 0 insertions, 57 deletions
diff --git a/core/src/main/java/org/bouncycastle/math/ec/FixedPointCombMultiplier.java b/core/src/main/java/org/bouncycastle/math/ec/FixedPointCombMultiplier.java
deleted file mode 100644
index 9fe00b9b..00000000
--- a/core/src/main/java/org/bouncycastle/math/ec/FixedPointCombMultiplier.java
+++ /dev/null
@@ -1,57 +0,0 @@
-package org.bouncycastle.math.ec;
-
-import java.math.BigInteger;
-
-public class FixedPointCombMultiplier extends AbstractECMultiplier
-{
-    protected ECPoint multiplyPositive(ECPoint p, BigInteger k)
-    {
-        ECCurve c = p.getCurve();
-        int size = FixedPointUtil.getCombSize(c);
-
-        if (k.bitLength() > size)
-        {
-            /*
-             * TODO The comb works best when the scalars are less than the (possibly unknown) order.
-             * Still, if we want to handle larger scalars, we could allow customization of the comb
-             * size, or alternatively we could deal with the 'extra' bits either by running the comb
-             * multiple times as necessary, or by using an alternative multiplier as prelude.
-             */
-            throw new IllegalStateException("fixed-point comb doesn't support scalars larger than the curve order");
-        }
-
-        int minWidth = getWidthForCombSize(size);
-
-        FixedPointPreCompInfo info = FixedPointUtil.precompute(p, minWidth);
-        ECPoint[] lookupTable = info.getPreComp();
-        int width = info.getWidth();
-
-        int d = (size + width - 1) / width;
-
-        ECPoint R = c.getInfinity();
-
-        int top = d * width - 1; 
-        for (int i = 0; i < d; ++i)
-        {
-            int index = 0;
-
-            for (int j = top - i; j >= 0; j -= d)
-            {
-                index <<= 1;
-                if (k.testBit(j))
-                {
-                    index |= 1;
-                }
-            }
-
-            R = R.twicePlus(lookupTable[index]);
-        }
-
-        return R;
-    }
-
-    protected int getWidthForCombSize(int combSize)
-    {
-        return combSize > 257 ? 6 : 5;
-    }
-}