| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.harmony.xnet.provider.jsse; |
| |
| import java.math.BigInteger; |
| import java.security.spec.ECPoint; |
| |
| final class OpenSSLECPointContext { |
| private final OpenSSLECGroupContext group; |
| private final int pointCtx; |
| |
| OpenSSLECPointContext(OpenSSLECGroupContext group, int pointCtx) { |
| this.group = group; |
| this.pointCtx = pointCtx; |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| if (pointCtx != 0) { |
| NativeCrypto.EC_POINT_clear_free(pointCtx); |
| } |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof OpenSSLECPointContext)) { |
| return false; |
| } |
| |
| final OpenSSLECPointContext other = (OpenSSLECPointContext) o; |
| if (!NativeCrypto.EC_GROUP_cmp(group.getContext(), other.group.getContext())) { |
| return false; |
| } |
| |
| return NativeCrypto.EC_POINT_cmp(group.getContext(), pointCtx, other.pointCtx); |
| } |
| |
| public ECPoint getECPoint() { |
| final byte[][] generatorCoords = NativeCrypto.EC_POINT_get_affine_coordinates( |
| group.getContext(), pointCtx); |
| final BigInteger x = new BigInteger(generatorCoords[0]); |
| final BigInteger y = new BigInteger(generatorCoords[1]); |
| return new ECPoint(x, y); |
| } |
| |
| @Override |
| public int hashCode() { |
| // TODO Auto-generated method stub |
| return super.hashCode(); |
| } |
| |
| public int getContext() { |
| return pointCtx; |
| } |
| |
| public static OpenSSLECPointContext getInstance(int curveType, OpenSSLECGroupContext group, |
| ECPoint javaPoint) { |
| OpenSSLECPointContext point = new OpenSSLECPointContext(group, |
| NativeCrypto.EC_POINT_new(group.getContext())); |
| NativeCrypto.EC_POINT_set_affine_coordinates(group.getContext(), |
| point.getContext(), javaPoint.getAffineX().toByteArray(), |
| javaPoint.getAffineY().toByteArray()); |
| return point; |
| } |
| } |