private SignatureData getFromCmsSignature(
SignatureVerificationRequest signatureVerificationRequest,
SignatureVerificationResponse response)
throws CMSException {
String signature = signatureVerificationRequest.getSignature();
byte[] decoded = Base64.decode(signature);
CMSSignedData cmsSignedData = new CMSSignedData(decoded);
String encodedSignedData = new String((byte[]) cmsSignedData.getSignedContent().getContent());
// Fetch information about the issuers
List<String> certInfos = new ArrayList<String>();
Collection certificates = cmsSignedData.getCertificates().getMatches(null);
for (Object certificate : certificates) {
X509CertificateHolder holder = (X509CertificateHolder) certificate;
certInfos.add(holder.getSubject().toString());
CertificateInfo ci = new CertificateInfo();
ci.setSubjectDn(holder.getSubject().toString());
ci.setValidTo(simpleDateFormat.format(holder.getNotAfter()));
response.getCertificateInfos().getCertificateInfo().add(ci);
}
// Fetch timestamp
Date signingDate = findTimestamp(cmsSignedData);
String dateString = simpleDateFormat.format(signingDate);
response.setSignatureDate(dateString);
// Create the SignatureData to be verified
SignatureData signData = new SignatureData();
signData.setEncodedTbs(encodedSignedData);
signData.setSignature(signature);
ELegType clientType = new ELegType("test", "test", PkiClient.NETMAKER_NETID_4);
signData.setClientType(clientType);
return signData;
}
