49 lines
1.2 KiB
Java
49 lines
1.2 KiB
Java
// SPDX-FileCopyrightText: 2018 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package org.pgpainless.key.generation.type.ecc.ecdsa;
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import java.security.spec.AlgorithmParameterSpec;
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import javax.annotation.Nonnull;
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import org.bouncycastle.jce.spec.ECNamedCurveGenParameterSpec;
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import org.pgpainless.algorithm.PublicKeyAlgorithm;
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import org.pgpainless.key.generation.type.ecc.EllipticCurve;
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import org.pgpainless.key.generation.type.KeyType;
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public final class ECDSA implements KeyType {
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private final EllipticCurve curve;
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private ECDSA(@Nonnull EllipticCurve curve) {
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this.curve = curve;
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}
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public static ECDSA fromCurve(@Nonnull EllipticCurve curve) {
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return new ECDSA(curve);
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}
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@Override
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public String getName() {
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return "ECDSA";
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}
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@Override
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public PublicKeyAlgorithm getAlgorithm() {
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return PublicKeyAlgorithm.ECDSA;
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}
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@Override
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public int getBitStrength() {
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return curve.getBitStrength();
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}
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@Override
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public AlgorithmParameterSpec getAlgorithmSpec() {
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return new ECNamedCurveGenParameterSpec(curve.getName());
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}
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}
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