101 lines
3.6 KiB
Java
101 lines
3.6 KiB
Java
/*
|
|
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package org.sufficientlysecure.keychain.pgp;
|
|
|
|
import org.spongycastle.bcpg.ArmoredOutputStream;
|
|
import org.spongycastle.openpgp.PGPObjectFactory;
|
|
import org.spongycastle.openpgp.PGPPublicKey;
|
|
import org.spongycastle.openpgp.PGPPublicKeyRing;
|
|
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
|
|
import org.sufficientlysecure.keychain.util.IterableIterator;
|
|
|
|
import java.io.IOException;
|
|
import java.util.Iterator;
|
|
|
|
public class CanonicalizedPublicKeyRing extends CanonicalizedKeyRing {
|
|
|
|
private PGPPublicKeyRing mRing;
|
|
|
|
CanonicalizedPublicKeyRing(PGPPublicKeyRing ring, int verified) {
|
|
super(verified);
|
|
mRing = ring;
|
|
}
|
|
|
|
public CanonicalizedPublicKeyRing(byte[] blob, int verified) {
|
|
super(verified);
|
|
if(mRing == null) {
|
|
// get first object in block
|
|
PGPObjectFactory factory = new PGPObjectFactory(blob);
|
|
try {
|
|
Object obj = factory.nextObject();
|
|
if (! (obj instanceof PGPPublicKeyRing)) {
|
|
throw new RuntimeException("Error constructing CanonicalizedPublicKeyRing, should never happen!");
|
|
}
|
|
mRing = (PGPPublicKeyRing) obj;
|
|
if (factory.nextObject() != null) {
|
|
throw new RuntimeException("Encountered trailing data after keyring, should never happen!");
|
|
}
|
|
} catch (IOException e) {
|
|
throw new RuntimeException("IO Error constructing CanonicalizedPublicKeyRing, should never happen!");
|
|
}
|
|
}
|
|
}
|
|
|
|
PGPPublicKeyRing getRing() {
|
|
return mRing;
|
|
}
|
|
|
|
public void encode(ArmoredOutputStream stream) throws IOException {
|
|
getRing().encode(stream);
|
|
}
|
|
|
|
/** Getter that returns the subkey that should be used for signing. */
|
|
CanonicalizedPublicKey getEncryptionSubKey() throws PgpGeneralException {
|
|
PGPPublicKey key = getRing().getPublicKey(getEncryptId());
|
|
if(key != null) {
|
|
CanonicalizedPublicKey cKey = new CanonicalizedPublicKey(this, key);
|
|
if(!cKey.canEncrypt()) {
|
|
throw new PgpGeneralException("key error");
|
|
}
|
|
return cKey;
|
|
}
|
|
throw new PgpGeneralException("no encryption key available");
|
|
}
|
|
|
|
public IterableIterator<CanonicalizedPublicKey> publicKeyIterator() {
|
|
@SuppressWarnings("unchecked")
|
|
final Iterator<PGPPublicKey> it = getRing().getPublicKeys();
|
|
return new IterableIterator<CanonicalizedPublicKey>(new Iterator<CanonicalizedPublicKey>() {
|
|
@Override
|
|
public boolean hasNext() {
|
|
return it.hasNext();
|
|
}
|
|
|
|
@Override
|
|
public CanonicalizedPublicKey next() {
|
|
return new CanonicalizedPublicKey(CanonicalizedPublicKeyRing.this, it.next());
|
|
}
|
|
|
|
@Override
|
|
public void remove() {
|
|
it.remove();
|
|
}
|
|
});
|
|
}
|
|
|
|
} |