return (Collection) certificatechain;
return certificatechain;
	public Collection getCertificateChain(){	  if(certificatechain == null){		Collection storechain = (Collection) data.get(CERTIFICATECHAIN);		Iterator iter = storechain.iterator();		this.certificatechain = new ArrayList();		while(iter.hasNext()){		  String b64Cert = (String) iter.next();		  try{			this.certificatechain.add(CertTools.getCertfromByteArray(Base64.decode(b64Cert.getBytes())));		  }catch(Exception e){			 throw new EJBException(e);   		  }		}        	  }        	  return (Collection) certificatechain; 	}