SAMLDocumentHolder samlDocumentHolder = saml2Response.getSamlDocumentHolder();
boolean validSignature = this.verifySignature(samlDocumentHolder);
if(validSignature == false)
throw new IssuerNotTrustedException("Signature in saml document is invalid");
this.isTrusted(responseType.getIssuer().getValue());
List<Object> assertions = responseType.getAssertionOrEncryptedAssertion();
if(assertions.size() == 0)