XDH.java
// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.key.generation.type.xdh;
import java.security.spec.AlgorithmParameterSpec;
import org.bouncycastle.jce.spec.ECNamedCurveGenParameterSpec;
import org.pgpainless.algorithm.PublicKeyAlgorithm;
import org.pgpainless.key.generation.type.KeyType;
public final class XDH implements KeyType {
private final XDHSpec spec;
private XDH(XDHSpec spec) {
this.spec = spec;
}
public static XDH fromSpec(XDHSpec spec) {
return new XDH(spec);
}
@Override
public String getName() {
return "XDH";
}
@Override
public PublicKeyAlgorithm getAlgorithm() {
return PublicKeyAlgorithm.ECDH;
}
@Override
public int getBitStrength() {
return spec.getBitStrength();
}
@Override
public AlgorithmParameterSpec getAlgorithmSpec() {
return new ECNamedCurveGenParameterSpec(spec.getName());
}
}