pgpainless/pgpainless-core/src/main/java/org/pgpainless/key/generation/type/ElGamal_GENERAL.java

51 lines
1.5 KiB
Java

/*
* Copyright 2018 Paul Schaub.
*
* 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.pgpainless.key.generation.type;
import java.security.spec.AlgorithmParameterSpec;
import org.bouncycastle.jce.spec.ElGamalParameterSpec;
import org.pgpainless.algorithm.PublicKeyAlgorithm;
import org.pgpainless.key.generation.type.length.ElGamalLength;
public class ElGamal_GENERAL implements KeyType {
private final ElGamalLength length;
ElGamal_GENERAL(ElGamalLength length) {
this.length = length;
}
public static ElGamal_GENERAL withLength(ElGamalLength length) {
return new ElGamal_GENERAL(length);
}
@Override
public String getName() {
return "ElGamal";
}
@Override
public PublicKeyAlgorithm getAlgorithm() {
return PublicKeyAlgorithm.ELGAMAL_GENERAL;
}
@Override
public AlgorithmParameterSpec getAlgorithmSpec() {
return new ElGamalParameterSpec(length.getP(), length.getG());
}
}