1 files changed, 19 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/math/ec/ECMultiplier.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/math/ec/ECMultiplier.java
new file mode 100644
index 000000000..17205e636
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/math/ec/ECMultiplier.java
@@ -0,0 +1,19 @@
+package org.spongycastle.math.ec;
+
+import java.math.BigInteger;
+
+/**
+ * Interface for classes encapsulating a point multiplication algorithm
+ * for <code>ECPoint</code>s.
+ */
+public interface ECMultiplier
+{
+    /**
+     * Multiplies the <code>ECPoint p</code> by <code>k</code>, i.e.
+     * <code>p</code> is added <code>k</code> times to itself.
+     * @param p The <code>ECPoint</code> to be multiplied.
+     * @param k The factor by which <code>p</code> is multiplied.
+     * @return <code>p</code> multiplied by <code>k</code>.
+     */
+    ECPoint multiply(ECPoint p, BigInteger k);
+}