// Check the digital signature part
// Won't be there in this file, but we
// need to do this check so that the
// appropriate parts end up in the
// smaller ooxml schemas file
CTDigSigBlob blob = ctProps.getDigSig();
assertNull(blob);
blob = CTDigSigBlob.Factory.newInstance();
blob.setBlob(new byte [] {2,6,7,2,3,4,5,1,2,3});
}