134 lines
4.7 KiB
Java
134 lines
4.7 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.pgp;
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import org.spongycastle.bcpg.S2K;
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import org.spongycastle.openpgp.PGPException;
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import org.spongycastle.openpgp.PGPKeyRing;
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import org.spongycastle.openpgp.PGPObjectFactory;
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import org.spongycastle.openpgp.PGPPrivateKey;
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import org.spongycastle.openpgp.PGPPublicKey;
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import org.spongycastle.openpgp.PGPSecretKey;
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import org.spongycastle.openpgp.PGPSecretKeyRing;
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import org.spongycastle.openpgp.operator.PBESecretKeyDecryptor;
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import org.spongycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
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import org.sufficientlysecure.keychain.provider.KeychainContract;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.util.IterableIterator;
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import org.sufficientlysecure.keychain.util.Log;
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import java.io.IOException;
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import java.util.HashSet;
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import java.util.Iterator;
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public class CanonicalizedSecretKeyRing extends CanonicalizedKeyRing {
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private PGPSecretKeyRing mRing;
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CanonicalizedSecretKeyRing(PGPSecretKeyRing ring, int verified) {
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super(verified);
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mRing = ring;
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}
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public CanonicalizedSecretKeyRing(byte[] blob, boolean isRevoked, int verified)
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{
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super(verified);
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PGPObjectFactory factory = new PGPObjectFactory(blob);
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PGPKeyRing keyRing = null;
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try {
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if ((keyRing = (PGPKeyRing) factory.nextObject()) == null) {
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Log.e(Constants.TAG, "No keys given!");
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}
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} catch (IOException e) {
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Log.e(Constants.TAG, "Error while converting to PGPKeyRing!", e);
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}
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mRing = (PGPSecretKeyRing) keyRing;
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}
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PGPSecretKeyRing getRing() {
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return mRing;
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}
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public CanonicalizedSecretKey getSecretKey() {
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return new CanonicalizedSecretKey(this, mRing.getSecretKey());
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}
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public CanonicalizedSecretKey getSecretKey(long id) {
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return new CanonicalizedSecretKey(this, mRing.getSecretKey(id));
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}
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/** Returns the key id which should be used for signing.
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*
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* This method returns keys which are actually available (ie. secret available, and not stripped,
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* revoked, or expired), hence only works on keyrings where a secret key is available!
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*/
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public long getSecretSignId() throws PgpGeneralException {
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for(CanonicalizedSecretKey key : secretKeyIterator()) {
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if (key.canSign() && key.isValid() && key.getSecretKeyType().isUsable()) {
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return key.getKeyId();
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}
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}
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throw new PgpGeneralException("no valid signing key available");
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}
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public IterableIterator<CanonicalizedSecretKey> secretKeyIterator() {
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final Iterator<PGPSecretKey> it = mRing.getSecretKeys();
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return new IterableIterator<CanonicalizedSecretKey>(new Iterator<CanonicalizedSecretKey>() {
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@Override
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public boolean hasNext() {
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return it.hasNext();
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}
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@Override
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public CanonicalizedSecretKey next() {
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return new CanonicalizedSecretKey(CanonicalizedSecretKeyRing.this, it.next());
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}
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@Override
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public void remove() {
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it.remove();
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}
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});
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}
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public IterableIterator<CanonicalizedPublicKey> publicKeyIterator() {
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final Iterator<PGPPublicKey> it = getRing().getPublicKeys();
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return new IterableIterator<CanonicalizedPublicKey>(new Iterator<CanonicalizedPublicKey>() {
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@Override
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public boolean hasNext() {
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return it.hasNext();
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}
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@Override
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public CanonicalizedPublicKey next() {
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return new CanonicalizedPublicKey(CanonicalizedSecretKeyRing.this, it.next());
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}
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@Override
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public void remove() {
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it.remove();
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}
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});
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}
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}
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