{
DERObjectIdentifier o = new DERObjectIdentifier(oid);
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
ASN1OutputStream aOut = new ASN1OutputStream(bOut);
aOut.writeObject(o);
ByteArrayInputStream bIn = new ByteArrayInputStream(bOut.toByteArray());
ASN1InputStream aIn = new ASN1InputStream(bIn);
o = (DERObjectIdentifier)aIn.readObject();