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Kotlin conversion: EdDSA
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3 changed files with 21 additions and 58 deletions
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// SPDX-FileCopyrightText: 2020 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.eddsa;
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import java.security.spec.AlgorithmParameterSpec;
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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.KeyType;
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/**
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* Edwards-curve Digital Signature Algorithm (EdDSA).
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*
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* @see <a href="https://datatracker.ietf.org/doc/draft-koch-eddsa-for-openpgp/">EdDSA for OpenPGP</a>
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*/
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public final class EdDSA implements KeyType {
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private final EdDSACurve curve;
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private EdDSA(EdDSACurve curve) {
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this.curve = curve;
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}
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public static EdDSA fromCurve(EdDSACurve curve) {
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return new EdDSA(curve);
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}
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@Override
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public String getName() {
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return "EdDSA";
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}
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@Override
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public PublicKeyAlgorithm getAlgorithm() {
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return PublicKeyAlgorithm.EDDSA;
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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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// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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/**
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* Classes related to EdDSA.
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*/
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package org.pgpainless.key.generation.type.eddsa;
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// SPDX-FileCopyrightText: 2023 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.eddsa
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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.KeyType
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class EdDSA private constructor(val curve: EdDSACurve) : KeyType {
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override val name = "EdDSA"
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override val algorithm = PublicKeyAlgorithm.EDDSA
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override val bitStrength = curve.bitStrength
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override val algorithmSpec = ECNamedCurveGenParameterSpec(curve.curveName)
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companion object {
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@JvmStatic
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fun fromCurve(curve: EdDSACurve) = EdDSA(curve)
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}
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}
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