/**
* 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);
}
