feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/security/ec/point/ProjectivePoint.java

@@ -0,0 +1,160 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package sun.security.ec.point;
+
+import sun.security.util.math.*;
+
+/**
+ * Elliptic curve point in projective coordinates (X, Y, Z) where
+ * an affine point (x, y) is represented using any (X, Y, Z) s.t.
+ * x = X/Z and y = Y/Z.
+ */
+public abstract class ProjectivePoint
+    <T extends IntegerModuloP> implements Point {
+
+    protected final T x;
+    protected final T y;
+    protected final T z;
+
+    protected ProjectivePoint(T x, T y, T z) {
+
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+
+    @Override
+    public IntegerFieldModuloP getField() {
+        return this.x.getField();
+    }
+
+    @Override
+    public Immutable fixed() {
+        return new Immutable(x.fixed(), y.fixed(), z.fixed());
+    }
+
+    @Override
+    public Mutable mutable() {
+        return new Mutable(x.mutable(), y.mutable(), z.mutable());
+    }
+
+    public T getX() {
+        return x;
+    }
+
+    public T getY() {
+        return y;
+    }
+
+    public T getZ() {
+        return z;
+    }
+
+    public AffinePoint asAffine() {
+        IntegerModuloP zInv = z.multiplicativeInverse();
+        return new AffinePoint(x.multiply(zInv), y.multiply(zInv));
+    }
+
+    public static class Immutable
+        extends ProjectivePoint<ImmutableIntegerModuloP>
+        implements ImmutablePoint {
+
+        public Immutable(ImmutableIntegerModuloP x,
+                         ImmutableIntegerModuloP y,
+                         ImmutableIntegerModuloP z) {
+            super(x, y, z);
+        }
+    }
+
+    public static class Mutable
+        extends ProjectivePoint<MutableIntegerModuloP>
+        implements MutablePoint {
+
+        public Mutable(MutableIntegerModuloP x,
+                       MutableIntegerModuloP y,
+                       MutableIntegerModuloP z) {
+            super(x, y, z);
+        }
+
+        public Mutable(IntegerFieldModuloP field) {
+            super(field.get0().mutable(),
+                field.get0().mutable(),
+                field.get0().mutable());
+        }
+
+        @Override
+        public Mutable conditionalSet(Point p, int set) {
+            if (!(p instanceof ProjectivePoint)) {
+                throw new RuntimeException("Incompatible point");
+            }
+            @SuppressWarnings("unchecked")
+            ProjectivePoint<IntegerModuloP> pp =
+                (ProjectivePoint<IntegerModuloP>) p;
+            return conditionalSet(pp, set);
+        }
+
+        private <T extends IntegerModuloP>
+        Mutable conditionalSet(ProjectivePoint<T> pp, int set) {
+
+            x.conditionalSet(pp.x, set);
+            y.conditionalSet(pp.y, set);
+            z.conditionalSet(pp.z, set);
+
+            return this;
+        }
+
+        @Override
+        public Mutable setValue(AffinePoint p) {
+            x.setValue(p.getX());
+            y.setValue(p.getY());
+            z.setValue(p.getX().getField().get1());
+
+            return this;
+        }
+
+        @Override
+        public Mutable setValue(Point p) {
+            if (!(p instanceof ProjectivePoint)) {
+                throw new RuntimeException("Incompatible point");
+            }
+            @SuppressWarnings("unchecked")
+            ProjectivePoint<IntegerModuloP> pp =
+                (ProjectivePoint<IntegerModuloP>) p;
+            return setValue(pp);
+        }
+
+        private <T extends IntegerModuloP>
+        Mutable setValue(ProjectivePoint<T> pp) {
+
+            x.setValue(pp.x);
+            y.setValue(pp.y);
+            z.setValue(pp.z);
+
+            return this;
+        }
+
+    }
+
+}