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Diffstat (limited to 'core/src/main/java/org/bouncycastle/math/ec/ZSignedDigitR2LMultiplier.java')
-rw-r--r--core/src/main/java/org/bouncycastle/math/ec/ZSignedDigitR2LMultiplier.java30
1 files changed, 0 insertions, 30 deletions
diff --git a/core/src/main/java/org/bouncycastle/math/ec/ZSignedDigitR2LMultiplier.java b/core/src/main/java/org/bouncycastle/math/ec/ZSignedDigitR2LMultiplier.java
deleted file mode 100644
index baa702f8..00000000
--- a/core/src/main/java/org/bouncycastle/math/ec/ZSignedDigitR2LMultiplier.java
+++ /dev/null
@@ -1,30 +0,0 @@
-package org.bouncycastle.math.ec;
-
-import java.math.BigInteger;
-
-public class ZSignedDigitR2LMultiplier extends AbstractECMultiplier
-{
- /**
- * 'Zeroless' Signed Digit Right-to-Left.
- */
- protected ECPoint multiplyPositive(ECPoint p, BigInteger k)
- {
- ECPoint R0 = p.getCurve().getInfinity(), R1 = p;
-
- int n = k.bitLength();
- int s = k.getLowestSetBit();
-
- R1 = R1.timesPow2(s);
-
- int i = s;
- while (++i < n)
- {
- R0 = R0.add(k.testBit(i) ? R1 : R1.negate());
- R1 = R1.twice();
- }
-
- R0 = R0.add(R1);
-
- return R0;
- }
-}