Subject subject = (new SubjectBuilder()).buildObject();
subject.setNameID(nameID);
SubjectConfirmation confirmation = (new SubjectConfirmationBuilder())
.buildObject();
confirmation.setMethod(SubjectConfirmation.METHOD_HOLDER_OF_KEY);
KeyInfoConfirmationDataType keyInfoDataType = new KeyInfoConfirmationDataTypeBuilder()
.buildObject();
BasicX509Credential keyInfoCredential = new BasicX509Credential();
keyInfoCredential.setEntityCertificate(certificate);
keyInfoCredential.setPublicKey(certificate.getPublicKey());
BasicKeyInfoGeneratorFactory kiFactory = new BasicKeyInfoGeneratorFactory();