EdDSA.java
// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.key.generation.type.eddsa;
import java.security.spec.AlgorithmParameterSpec;
import org.bouncycastle.jce.spec.ECNamedCurveGenParameterSpec;
import org.pgpainless.algorithm.PublicKeyAlgorithm;
import org.pgpainless.key.generation.type.KeyType;
/**
* Edwards-curve Digital Signature Algorithm (EdDSA).
*/
public final class EdDSA implements KeyType {
private final EdDSACurve curve;
private EdDSA(EdDSACurve curve) {
this.curve = curve;
}
public static EdDSA fromCurve(EdDSACurve curve) {
return new EdDSA(curve);
}
@Override
public String getName() {
return "EdDSA";
}
@Override
public PublicKeyAlgorithm getAlgorithm() {
return PublicKeyAlgorithm.EDDSA;
}
@Override
public int getBitStrength() {
return curve.getBitStrength();
}
@Override
public AlgorithmParameterSpec getAlgorithmSpec() {
return new ECNamedCurveGenParameterSpec(curve.getName());
}
}