PGPObjectFactory pgpFact = new PGPObjectFactory(aIn);
PGPSignatureList p3 = (PGPSignatureList)pgpFact.nextObject();
PGPSignature sig = p3.get(0);
sig.initVerify(pgpRings.getPublicKey(sig.getKeyID()), "BC");
ByteArrayOutputStream lineOut = new ByteArrayOutputStream();
InputStream sigIn = new ByteArrayInputStream(bOut.toByteArray());
int lookAhead = readInputLine(lineOut, sigIn);