diff options
| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2014-01-28 12:38:41 +0400 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2014-01-28 12:38:41 +0400 |
| commit | 646925daf65dc68f84a337bf1bda7ee0a116465e (patch) | |
| tree | a7d0ac42bcfc3fc1cd7747f980aee911dd42a112 /core/src/main/java/org/bouncycastle/math | |
| parent | 6bea16bc135e131eec93af93130cc1a1a1a916dd (diff) | |
Refactoring
Diffstat (limited to 'core/src/main/java/org/bouncycastle/math')
| -rw-r--r-- | core/src/main/java/org/bouncycastle/math/ec/ECPoint.java | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/core/src/main/java/org/bouncycastle/math/ec/ECPoint.java b/core/src/main/java/org/bouncycastle/math/ec/ECPoint.java index 51d01a39..ec3c3217 100644 --- a/core/src/main/java/org/bouncycastle/math/ec/ECPoint.java +++ b/core/src/main/java/org/bouncycastle/math/ec/ECPoint.java @@ -1215,15 +1215,15 @@ public abstract class ECPoint case ECCurve.COORD_LAMBDA_AFFINE: case ECCurve.COORD_LAMBDA_PROJECTIVE: { - // TODO The X == 0 stuff needs further thought - if (this.isInfinity() || x.isZero()) + ECFieldElement X = x, L = y; + + if (this.isInfinity() || X.isZero()) { - return y; + return L; } // Y is actually Lambda (X + Y/X) here; convert to affine value on the fly - ECFieldElement X = x, L = y; - ECFieldElement Y = L.subtract(X).multiply(X); + ECFieldElement Y = L.add(X).multiply(X); if (ECCurve.COORD_LAMBDA_PROJECTIVE == coord) { ECFieldElement Z = zs[0]; |