.getAsDocument();
//do decrytion - proof is encrypted with certificate of STS
proof = new RequestedProofToken(domEle);
proof.doDecryption(callbackHandler, serverCrypto);
byte[] bkArr = proof.getSharedSecret();
RequestedProofToken newProof = new RequestedProofToken(doc);
newProof.setSharedSecret(bkArr);
newProof.doEncryptProof(