47 lines
1.1 KiB
Java
47 lines
1.1 KiB
Java
// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package org.pgpainless.key.generation.type.ecc.ecdh;
|
|
|
|
import javax.annotation.Nonnull;
|
|
import java.security.spec.AlgorithmParameterSpec;
|
|
|
|
import org.bouncycastle.jce.spec.ECNamedCurveGenParameterSpec;
|
|
import org.pgpainless.algorithm.PublicKeyAlgorithm;
|
|
import org.pgpainless.key.generation.type.KeyType;
|
|
import org.pgpainless.key.generation.type.ecc.EllipticCurve;
|
|
|
|
public final class ECDH implements KeyType {
|
|
|
|
private final EllipticCurve curve;
|
|
|
|
private ECDH(EllipticCurve curve) {
|
|
this.curve = curve;
|
|
}
|
|
|
|
public static ECDH fromCurve(@Nonnull EllipticCurve curve) {
|
|
return new ECDH(curve);
|
|
}
|
|
|
|
@Override
|
|
public String getName() {
|
|
return "ECDH";
|
|
}
|
|
|
|
@Override
|
|
public PublicKeyAlgorithm getAlgorithm() {
|
|
return PublicKeyAlgorithm.ECDH;
|
|
}
|
|
|
|
@Override
|
|
public int getBitStrength() {
|
|
return curve.getBitStrength();
|
|
}
|
|
|
|
@Override
|
|
public AlgorithmParameterSpec getAlgorithmSpec() {
|
|
return new ECNamedCurveGenParameterSpec(curve.getName());
|
|
}
|
|
}
|