transforms.addTransform(Transforms.TRANSFORM_C14N_WITH_COMMENTS);
signature.addDocument("", transforms,
MessageDigestAlgorithm.ALGO_ID_DIGEST_SHA1);
if (cert) {
signature.addKeyInfo(signingCert);
} else {
signature.addKeyInfo(publicKey);
}
Element nsElement = testDocument.createElementNS(null, "nsElement");