1 files changed, 0 insertions, 353 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecT571K1Point.java b/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecT571K1Point.java
deleted file mode 100644
index 8f1c4cae..00000000
--- a/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecT571K1Point.java
+++ /dev/null
@@ -1,353 +0,0 @@
-package org.bouncycastle.math.ec.custom.sec;
-
-import org.bouncycastle.math.ec.ECConstants;
-import org.bouncycastle.math.ec.ECCurve;
-import org.bouncycastle.math.ec.ECFieldElement;
-import org.bouncycastle.math.ec.ECPoint;
-import org.bouncycastle.math.ec.ECPoint.AbstractF2m;
-import org.bouncycastle.math.raw.Nat576;
-
-public class SecT571K1Point extends AbstractF2m
-{
-    /**
-     * @deprecated Use ECCurve.createPoint to construct points
-     */
-    public SecT571K1Point(ECCurve curve, ECFieldElement x, ECFieldElement y)
-    {
-        this(curve, x, y, false);
-    }
-
-    /**
-     * @deprecated per-point compression property will be removed, refer {@link #getEncoded(boolean)}
-     */
-    public SecT571K1Point(ECCurve curve, ECFieldElement x, ECFieldElement y, boolean withCompression)
-    {
-        super(curve, x, y);
-
-        if ((x == null) != (y == null))
-        {
-            throw new IllegalArgumentException("Exactly one of the field elements is null");
-        }
-
-        this.withCompression = withCompression;
-    }
-
-    SecT571K1Point(ECCurve curve, ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, boolean withCompression)
-    {
-        super(curve, x, y, zs);
-
-        this.withCompression = withCompression;
-    }
-
-    protected ECPoint detach()
-    {
-        return new SecT571K1Point(null, this.getAffineXCoord(), this.getAffineYCoord()); // earlier JDK
-    }
-
-    public ECFieldElement getYCoord()
-    {
-        ECFieldElement X = x, L = y;
-
-        if (this.isInfinity() || X.isZero())
-        {
-            return L;
-        }
-
-        // Y is actually Lambda (X + Y/X) here; convert to affine value on the fly
-        ECFieldElement Y = L.add(X).multiply(X);
-
-        ECFieldElement Z = zs[0];
-        if (!Z.isOne())
-        {
-            Y = Y.divide(Z);
-        }
-
-        return Y;
-    }
-
-    protected boolean getCompressionYTilde()
-    {
-        ECFieldElement X = this.getRawXCoord();
-        if (X.isZero())
-        {
-            return false;
-        }
-
-        ECFieldElement Y = this.getRawYCoord();
-
-        // Y is actually Lambda (X + Y/X) here
-        return Y.testBitZero() != X.testBitZero();
-    }
-
-    public ECPoint add(ECPoint b)
-    {
-        if (this.isInfinity())
-        {
-            return b;
-        }
-        if (b.isInfinity())
-        {
-            return this;
-        }
-
-        ECCurve curve = this.getCurve();
-
-        SecT571FieldElement X1 = (SecT571FieldElement)this.x;
-        SecT571FieldElement X2 = (SecT571FieldElement)b.getRawXCoord();
-
-        if (X1.isZero())
-        {
-            if (X2.isZero())
-            {
-                return curve.getInfinity();
-            }
-
-            return b.add(this);
-        }
-
-        SecT571FieldElement L1 = (SecT571FieldElement)this.y, Z1 = (SecT571FieldElement)this.zs[0];
-        SecT571FieldElement L2 = (SecT571FieldElement)b.getRawYCoord(), Z2 = (SecT571FieldElement)b.getZCoord(0);
-
-        long[] t1 = Nat576.create64();
-        long[] t2 = Nat576.create64();
-        long[] t3 = Nat576.create64();
-        long[] t4 = Nat576.create64();
-
-        long[] Z1Precomp = Z1.isOne() ? null : SecT571Field.precompMultiplicand(Z1.x);
-        long[] U2, S2;
-        if (Z1Precomp == null)
-        {
-            U2 = X2.x;
-            S2 = L2.x;
-        }
-        else
-        {
-            SecT571Field.multiplyPrecomp(X2.x, Z1Precomp, U2 = t2);
-            SecT571Field.multiplyPrecomp(L2.x, Z1Precomp, S2 = t4);
-        }
-
-        long[] Z2Precomp = Z2.isOne() ? null : SecT571Field.precompMultiplicand(Z2.x);
-        long[] U1, S1;
-        if (Z2Precomp == null)
-        {
-            U1 = X1.x;
-            S1 = L1.x;
-        }
-        else
-        {
-            SecT571Field.multiplyPrecomp(X1.x, Z2Precomp, U1 = t1);
-            SecT571Field.multiplyPrecomp(L1.x, Z2Precomp, S1 = t3);
-        }
-
-        long[] A = t3;
-        SecT571Field.add(S1, S2, A);
-
-        long[] B = t4;
-        SecT571Field.add(U1, U2, B);
-
-        if (Nat576.isZero64(B))
-        {
-            if (Nat576.isZero64(A))
-            {
-                return twice();
-            }
-
-            return curve.getInfinity();
-        }
-
-        SecT571FieldElement X3, L3, Z3;
-        if (X2.isZero())
-        {
-            // TODO This can probably be optimized quite a bit
-            ECPoint p = this.normalize();
-            X1 = (SecT571FieldElement)p.getXCoord();
-            ECFieldElement Y1 = p.getYCoord();
-
-            ECFieldElement Y2 = L2;
-            ECFieldElement L = Y1.add(Y2).divide(X1);
-
-            X3 = (SecT571FieldElement)L.square().add(L).add(X1);
-            if (X3.isZero())
-            {
-                return new SecT571K1Point(curve, X3, curve.getB(), this.withCompression);
-            }
-
-            ECFieldElement Y3 = L.multiply(X1.add(X3)).add(X3).add(Y1);
-            L3 = (SecT571FieldElement)Y3.divide(X3).add(X3);
-            Z3 = (SecT571FieldElement)curve.fromBigInteger(ECConstants.ONE);
-        }
-        else
-        {
-            SecT571Field.square(B, B);
-
-            long[] APrecomp = SecT571Field.precompMultiplicand(A);
-
-            long[] AU1 = t1;
-            long[] AU2 = t2;
-
-            SecT571Field.multiplyPrecomp(U1, APrecomp, AU1);
-            SecT571Field.multiplyPrecomp(U2, APrecomp, AU2);
-
-            X3 = new SecT571FieldElement(t1);
-            SecT571Field.multiply(AU1, AU2, X3.x);
-
-            if (X3.isZero())
-            {
-                return new SecT571K1Point(curve, X3, curve.getB(), this.withCompression);
-            }
-
-            Z3 = new SecT571FieldElement(t3);
-            SecT571Field.multiplyPrecomp(B, APrecomp, Z3.x);
-
-            if (Z2Precomp != null)
-            {
-                SecT571Field.multiplyPrecomp(Z3.x, Z2Precomp, Z3.x);
-            }
-
-            long[] tt = Nat576.createExt64();
-
-            SecT571Field.add(AU2, B, t4);
-            SecT571Field.squareAddToExt(t4, tt);
-
-            SecT571Field.add(L1.x, Z1.x, t4);
-            SecT571Field.multiplyAddToExt(t4, Z3.x, tt);
-
-            L3 = new SecT571FieldElement(t4);
-            SecT571Field.reduce(tt, L3.x);
-
-            if (Z1Precomp != null)
-            {
-                SecT571Field.multiplyPrecomp(Z3.x, Z1Precomp, Z3.x);
-            }
-        }
-
-        return new SecT571K1Point(curve, X3, L3, new ECFieldElement[]{ Z3 }, this.withCompression);
-    }
-
-    public ECPoint twice()
-    {
-        if (this.isInfinity())
-        {
-            return this;
-        }
-
-        ECCurve curve = this.getCurve();
-
-        ECFieldElement X1 = this.x;
-        if (X1.isZero())
-        {
-            // A point with X == 0 is it's own additive inverse
-            return curve.getInfinity();
-        }
-
-
-        ECFieldElement L1 = this.y, Z1 = this.zs[0];
-
-        boolean Z1IsOne = Z1.isOne();
-        ECFieldElement Z1Sq = Z1IsOne ? Z1 : Z1.square();
-        ECFieldElement T;
-        if (Z1IsOne)
-        {
-            T = L1.square().add(L1);
-        }
-        else
-        {
-            T = L1.add(Z1).multiply(L1);
-        }
-
-        if (T.isZero())
-        {
-            return new SecT571K1Point(curve, T, curve.getB(), withCompression);
-        }
-
-        ECFieldElement X3 = T.square();
-        ECFieldElement Z3 = Z1IsOne ? T : T.multiply(Z1Sq);
-
-        ECFieldElement t1 = L1.add(X1).square();
-        ECFieldElement t2 = Z1IsOne ? Z1 : Z1Sq.square();
-        ECFieldElement L3 = t1.add(T).add(Z1Sq).multiply(t1).add(t2).add(X3).add(Z3);
-
-        return new SecT571K1Point(curve, X3, L3, new ECFieldElement[]{ Z3 }, this.withCompression);
-    }
-
-    public ECPoint twicePlus(ECPoint b)
-    {
-        if (this.isInfinity())
-        {
-            return b;
-        }
-        if (b.isInfinity())
-        {
-            return twice();
-        }
-
-        ECCurve curve = this.getCurve();
-
-        ECFieldElement X1 = this.x;
-        if (X1.isZero())
-        {
-            // A point with X == 0 is it's own additive inverse
-            return b;
-        }
-
-        // NOTE: twicePlus() only optimized for lambda-affine argument
-        ECFieldElement X2 = b.getRawXCoord(), Z2 = b.getZCoord(0);
-        if (X2.isZero() || !Z2.isOne())
-        {
-            return twice().add(b);
-        }
-
-        ECFieldElement L1 = this.y, Z1 = this.zs[0];
-        ECFieldElement L2 = b.getRawYCoord();
-
-        ECFieldElement X1Sq = X1.square();
-        ECFieldElement L1Sq = L1.square();
-        ECFieldElement Z1Sq = Z1.square();
-        ECFieldElement L1Z1 = L1.multiply(Z1);
-
-        ECFieldElement T = L1Sq.add(L1Z1);
-        ECFieldElement L2plus1 = L2.addOne();
-        ECFieldElement A = L2plus1.multiply(Z1Sq).add(L1Sq).multiplyPlusProduct(T, X1Sq, Z1Sq);
-        ECFieldElement X2Z1Sq = X2.multiply(Z1Sq);
-        ECFieldElement B = X2Z1Sq.add(T).square();
-
-        if (B.isZero())
-        {
-            if (A.isZero())
-            {
-                return b.twice();
-            }
-
-            return curve.getInfinity();
-        }
-
-        if (A.isZero())
-        {
-            return new SecT571K1Point(curve, A, curve.getB(), withCompression);
-        }
-
-        ECFieldElement X3 = A.square().multiply(X2Z1Sq);
-        ECFieldElement Z3 = A.multiply(B).multiply(Z1Sq);
-        ECFieldElement L3 = A.add(B).square().multiplyPlusProduct(T, L2plus1, Z3);
-
-        return new SecT571K1Point(curve, X3, L3, new ECFieldElement[]{ Z3 }, this.withCompression);
-    }
-
-    public ECPoint negate()
-    {
-        if (this.isInfinity())
-        {
-            return this;
-        }
-
-        ECFieldElement X = this.x;
-        if (X.isZero())
-        {
-            return this;
-        }
-
-        // L is actually Lambda (X + Y/X) here
-        ECFieldElement L = this.y, Z = this.zs[0];
-        return new SecT571K1Point(curve, X, L.add(Z), new ECFieldElement[]{ Z }, this.withCompression);
-    }
-}