org.conscrypt.OpenSSLECPointContext Maven / Gradle / Ivy
/*
* 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.conscrypt;
import java.math.BigInteger;
import java.security.spec.ECPoint;
final class OpenSSLECPointContext {
private final OpenSSLECGroupContext group;
private final NativeRef.EC_POINT pointCtx;
OpenSSLECPointContext(OpenSSLECGroupContext group, NativeRef.EC_POINT pointCtx) {
this.group = group;
this.pointCtx = pointCtx;
}
@Override
public boolean equals(Object o) {
throw new IllegalArgumentException("OpenSSLECPointContext.equals is not defined.");
}
ECPoint getECPoint() {
final byte[][] generatorCoords = NativeCrypto.EC_POINT_get_affine_coordinates(
group.getNativeRef(), 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();
}
NativeRef.EC_POINT getNativeRef() {
return pointCtx;
}
static OpenSSLECPointContext getInstance(OpenSSLECGroupContext group,
ECPoint javaPoint) {
OpenSSLECPointContext point = new OpenSSLECPointContext(group, new NativeRef.EC_POINT(
NativeCrypto.EC_POINT_new(group.getNativeRef())));
NativeCrypto.EC_POINT_set_affine_coordinates(group.getNativeRef(),
point.getNativeRef(), javaPoint.getAffineX().toByteArray(),
javaPoint.getAffineY().toByteArray());
return point;
}
}