private SignatureData getFromXmlDigSigSignature(
SignatureVerificationRequest signatureVerificationRequest,
SignatureVerificationResponse response)
throws ParserConfigurationException, SAXException, IOException, MarshalException,
SignatureException {
String signature = new String(Base64.decode(signatureVerificationRequest.getSignature()));
InputStream is = new ByteArrayInputStream(signature.getBytes());
Document document = createDocument(is, true);
XMLSignature xmlSignature =
XMLSignatureFactory.getInstance().unmarshalXMLSignature(new DOMStructure(document));
List contentList = xmlSignature.getKeyInfo().getContent();
for (Object content : contentList) {
if (content instanceof X509Data) {
List certificateList = ((X509Data) content).getContent();
for (Object certificateObject : certificateList) {
if (certificateObject instanceof X509Certificate) {
X509Certificate cert = (X509Certificate) certificateObject;
CertificateInfo ci = new CertificateInfo();
ci.setSubjectDn(cert.getSubjectDN().getName());
ci.setValidTo(simpleDateFormat.format(cert.getNotAfter()));
response.getCertificateInfos().getCertificateInfo().add(ci);
}
}
}
}
return createSignatureDataFromXmlDigSig(signature);
}
