Add automatic EC point validation for decoded points and for multiplier outputs.

1 files changed, 1 insertions, 16 deletions

diff --git a/core/src/main/java/org/bouncycastle/math/ec/custom/djb/Curve25519Point.java b/core/src/main/java/org/bouncycastle/math/ec/custom/djb/Curve25519Point.java
index 2a558a61..b2700e30 100644
--- a/core/src/main/java/org/bouncycastle/math/ec/custom/djb/Curve25519Point.java
+++ b/core/src/main/java/org/bouncycastle/math/ec/custom/djb/Curve25519Point.java
@@ -5,7 +5,7 @@ import org.bouncycastle.math.ec.ECFieldElement;
 import org.bouncycastle.math.ec.ECPoint;
 import org.bouncycastle.math.raw.Nat256;
 
-public class Curve25519Point extends ECPoint
+public class Curve25519Point extends ECPoint.AbstractFp
 {
     /**
      * Create a point which encodes with point compression.
@@ -55,11 +55,6 @@ public class Curve25519Point extends ECPoint
         return new Curve25519Point(null, getAffineXCoord(), getAffineYCoord());
     }
 
-    protected boolean getCompressionYTilde()
-    {
-        return this.getAffineYCoord().testBitZero();
-    }
-
     public ECFieldElement getZCoord(int index)
     {
         if (index == 1)
@@ -257,16 +252,6 @@ public class Curve25519Point extends ECPoint
         return twiceJacobianModified(false).add(this);
     }
 
-    public ECPoint subtract(ECPoint b)
-    {
-        if (b.isInfinity())
-        {
-            return this;
-        }
-
-        return add(b.negate());
-    }
-
     public ECPoint negate()
     {
         if (this.isInfinity())