if (logger.isDebugEnabled()) {
            logger.debug("idToken={}", idToken);
        }
        try {
            final JWTClaimsSet claimsSet = JWTParser.parse(idToken).getJWTClaimsSet();
            if (claimsSet == null) {
                throw new SsoLoginException("could not validate nonce");
            }

            final String nonce = (String) claimsSet.getClaim("nonce");