private PGPPublicKeyRingCollection readPublicKey(final String keytext)
throws IOException, PGPException {
PGPPublicKeyRingCollection pgpPub =
new PGPPublicKeyRingCollection(
PGPUtil.getDecoderStream(new ByteArrayInputStream(keytext.getBytes())));
return pgpPub;
}
/**
* Reads private key from the provided InputStream
*
* @param input InputStream of the private key
* @return PGPSecretKey
* @throws LRException NO_KEY error if the key cannot be obtained from the input stream
*/
private PGPSecretKey readSecretKey(InputStream input) throws LRException {
PGPSecretKeyRingCollection pgpSec;
try {
pgpSec = new PGPSecretKeyRingCollection(PGPUtil.getDecoderStream(input));
} catch (Exception e) {
throw new LRException(LRException.NO_KEY);
}
java.util.Iterator keyRingIter = pgpSec.getKeyRings();
while (keyRingIter.hasNext()) {
PGPSecretKeyRing keyRing = (PGPSecretKeyRing) keyRingIter.next();
java.util.Iterator keyIter = keyRing.getSecretKeys();
while (keyIter.hasNext()) {
PGPSecretKey key = (PGPSecretKey) keyIter.next();
if (key.isSigningKey()) {
return key;
}
}
}
throw new LRException(LRException.NO_KEY);
}
@SuppressWarnings("resource")
private static PGPPublicKeyRingCollection readPubRing(final File pub) {
try {
InputStream in = new FileInputStream(pub);
try {
in = PGPUtil.getDecoderStream(in);
return new PGPPublicKeyRingCollection(in);
} finally {
in.close();
}
} catch (IOException e) {
throw new ProvisionException("Cannot read " + pub, e);
} catch (PGPException e) {
throw new ProvisionException("Cannot read " + pub, e);
}
}
static PGPPublicKey readPublicKey(String keyringPath) throws Exception {
InputStream input = new ByteArrayInputStream(getKeyRing(keyringPath));
PGPPublicKeyRingCollection pgpPub =
new PGPPublicKeyRingCollection(PGPUtil.getDecoderStream(input));
@SuppressWarnings("rawtypes")
Iterator keyRingIter = pgpPub.getKeyRings();
while (keyRingIter.hasNext()) {
PGPPublicKeyRing keyRing = (PGPPublicKeyRing) keyRingIter.next();
@SuppressWarnings("rawtypes")
Iterator keyIter = keyRing.getPublicKeys();
while (keyIter.hasNext()) {
PGPPublicKey key = (PGPPublicKey) keyIter.next();
if (key.isEncryptionKey()) {
return key;
}
}
}
throw new IllegalArgumentException("Can't find encryption key in key ring.");
}
static PGPSecretKey readSecretKey() throws Exception {
InputStream input = new ByteArrayInputStream(getSecKeyRing());
PGPSecretKeyRingCollection pgpSec =
new PGPSecretKeyRingCollection(PGPUtil.getDecoderStream(input));
@SuppressWarnings("rawtypes")
Iterator keyRingIter = pgpSec.getKeyRings();
while (keyRingIter.hasNext()) {
PGPSecretKeyRing keyRing = (PGPSecretKeyRing) keyRingIter.next();
@SuppressWarnings("rawtypes")
Iterator keyIter = keyRing.getSecretKeys();
while (keyIter.hasNext()) {
PGPSecretKey key = (PGPSecretKey) keyIter.next();
if (key.isSigningKey()) {
return key;
}
}
}
throw new IllegalArgumentException("Can't find signing key in key ring.");
}
/**
* Returns the secret key matching the specified identifier.
*
* @param input the input stream containing the keyring collection
* @param keyId the 4 bytes identifier of the key
*/
private static PGPSecretKey getSecretKey(InputStream input, String keyId)
throws IOException, PGPException {
PGPSecretKeyRingCollection keyrings =
new PGPSecretKeyRingCollection(PGPUtil.getDecoderStream(input));
Iterator rIt = keyrings.getKeyRings();
while (rIt.hasNext()) {
PGPSecretKeyRing kRing = (PGPSecretKeyRing) rIt.next();
Iterator kIt = kRing.getSecretKeys();
while (kIt.hasNext()) {
PGPSecretKey key = (PGPSecretKey) kIt.next();
if (key.isSigningKey()
&& Long.toHexString(key.getKeyID() & 0xFFFFFFFFL).equals(keyId.toLowerCase())) {
return key;
}
}
}
return null;
}