// This can actually be moved to the user-auth system
public List<X509Certificate> signCsr(String projectKey, CryptoKey projectSecret, String csr) {
String url = "pki/csr";
SignCertificateRequest request = new SignCertificateRequest();
request.setProject(projectKey);
request.setCsr(csr);
request.setProjectSecret(FathomdbCrypto.serialize(projectSecret));
try {
SignCertificateResponse response = doSimpleXmlRequest(HttpMethod.POST, url, request,
SignCertificateResponse.class);