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package org.sufficientlysecure.keychain.pgp;
import org.spongycastle.openpgp.PGPObjectFactory;
import org.spongycastle.openpgp.PGPPublicKeyRing;
import org.spongycastle.openpgp.PGPSecretKeyRing;
import org.spongycastle.openpgp.PGPUtil;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
public class UncachedKeyRing {
final PGPPublicKeyRing mPublicRing;
final PGPSecretKeyRing mSecretRing;
UncachedKeyRing(PGPPublicKeyRing publicRing, PGPSecretKeyRing secretRing) {
mPublicRing = publicRing;
mSecretRing = secretRing;
}
UncachedKeyRing(PGPPublicKeyRing publicRing) {
this(publicRing, null);
}
public PGPPublicKeyRing getPublicRing() {
return mPublicRing;
}
public PGPSecretKeyRing getSecretRing() {
return mSecretRing;
}
public byte[] getFingerprint() {
return mPublicRing.getPublicKey().getFingerprint();
}
public static UncachedKeyRing decodePubkeyFromData(byte[] data)
throws PgpGeneralException, IOException {
BufferedInputStream bufferedInput =
new BufferedInputStream(new ByteArrayInputStream(data));
if (bufferedInput.available() > 0) {
InputStream in = PGPUtil.getDecoderStream(bufferedInput);
PGPObjectFactory objectFactory = new PGPObjectFactory(in);
// get first object in block
Object obj;
if ((obj = objectFactory.nextObject()) != null && obj instanceof PGPPublicKeyRing) {
return new UncachedKeyRing((PGPPublicKeyRing) obj);
} else {
throw new PgpGeneralException("Object not recognized as PGPPublicKeyRing!");
}
} else {
throw new PgpGeneralException("Object not recognized as PGPPublicKeyRing!");
}
}
}
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