83 lines
3.2 KiB
Java
83 lines
3.2 KiB
Java
/*
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* Copyright 2020 Paul Schaub.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.pgpainless.key.util;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.NoSuchElementException;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPKeyRing;
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import org.bouncycastle.openpgp.PGPPrivateKey;
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import org.bouncycastle.openpgp.PGPPublicKey;
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import org.bouncycastle.openpgp.PGPPublicKeyRing;
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import org.bouncycastle.openpgp.PGPSecretKey;
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import org.bouncycastle.openpgp.PGPSecretKeyRing;
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import org.bouncycastle.openpgp.operator.PBESecretKeyDecryptor;
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import org.pgpainless.key.protection.SecretKeyRingProtector;
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public class KeyRingUtils {
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public static PGPSecretKey requirePrimarySecretKeyFrom(PGPSecretKeyRing secretKeys) {
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PGPSecretKey primarySecretKey = getPrimarySecretKeyFrom(secretKeys);
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if (primarySecretKey == null) {
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throw new NoSuchElementException("Provided PGPSecretKeyRing has no primary secret key.");
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}
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return primarySecretKey;
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}
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public static PGPSecretKey getPrimarySecretKeyFrom(PGPSecretKeyRing secretKeys) {
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PGPSecretKey secretKey = secretKeys.getSecretKey();
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if (secretKey.isMasterKey()) {
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return secretKey;
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}
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return null;
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}
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public static PGPPublicKey requirePrimaryPublicKeyFrom(PGPKeyRing keyRing) {
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PGPPublicKey primaryPublicKey = getPrimaryPublicKeyFrom(keyRing);
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if (primaryPublicKey == null) {
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throw new NoSuchElementException("Provided PGPKeyRing has no primary public key.");
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}
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return primaryPublicKey;
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}
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public static PGPPublicKey getPrimaryPublicKeyFrom(PGPKeyRing keyRing) {
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PGPPublicKey primaryPublicKey = keyRing.getPublicKey();
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if (primaryPublicKey.isMasterKey()) {
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return primaryPublicKey;
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}
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return null;
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}
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public static PGPPublicKeyRing publicKeyRingFrom(PGPSecretKeyRing secretKeys) {
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List<PGPPublicKey> publicKeyList = new ArrayList<>();
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Iterator<PGPPublicKey> publicKeyIterator = secretKeys.getPublicKeys();
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while (publicKeyIterator.hasNext()) {
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publicKeyList.add(publicKeyIterator.next());
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}
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PGPPublicKeyRing publicKeyRing = new PGPPublicKeyRing(publicKeyList);
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return publicKeyRing;
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}
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public static PGPPrivateKey unlockSecretKey(PGPSecretKey secretKey, SecretKeyRingProtector protector) throws PGPException {
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PBESecretKeyDecryptor secretKeyDecryptor = protector.getDecryptor(secretKey.getKeyID());
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PGPPrivateKey privateKey = secretKey.extractPrivateKey(secretKeyDecryptor);
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return privateKey;
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}
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}
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