return false;
        }

        EncryptionNegotiateContext rec = null;
        for ( NegotiateContextRequest rnc : req.getNegotiateContexts() ) {
            if ( rnc instanceof EncryptionNegotiateContext ) {
                rec = (EncryptionNegotiateContext) rnc;
            }
        }
        if ( rec == null ) {
            return false;
        }

        boolean valid = false;