Examples with JcaX509CertSelectorConverter org.bouncycastle.cms.jcajce.JcaX509CertSelectorConverter used on opensource projects

Example 1 with JcaX509CertSelectorConverter

use of org.bouncycastle.cms.jcajce.JcaX509CertSelectorConverter in project gdmatrix by gdmatrix.

the class P7MUtils method addTimeStamp.

public static CMSSignedData addTimeStamp(String serviceURI, CMSSignedData signedData) throws Exception {
    CMSSignedData newSignedData;
    SignerInformationStore sigStore = signedData.getSignerInfos();
    ArrayList siList = new ArrayList();
    for (Object o : sigStore.getSigners()) {
        // CertStore certStore =
        // signedData.getCertificatesAndCRLs("Collection", "BC");
        Store store = signedData.getCertificates();
        SignerInformation si = (SignerInformation) o;
        SignerId sigId = si.getSID();
        JcaX509CertSelectorConverter converter = new JcaX509CertSelectorConverter();
        CertSelector certSelector = converter.getCertSelector(sigId);
        Collection certCollection = store.getMatches((Selector) certSelector);
        // Collection certCollection = certStore.getCertificates(sigId);
        X509Certificate certificate = (X509Certificate) certCollection.iterator().next();
        System.out.println(certificate.getSubjectDN().getName());
        // get signature
        byte[] signature = si.getSignature();
        // signed attributes
        System.out.println("SignedAttributes:");
        AttributeTable signedAttributes = si.getSignedAttributes();
        printAttributeTable(signedAttributes);
        // unsigned attributes
        System.out.println("UnsignedAttributes:");
        AttributeTable unsignedAttributes = si.getUnsignedAttributes();
        printAttributeTable(unsignedAttributes);
        ASN1ObjectIdentifier tsId = new ASN1ObjectIdentifier("1.2.840.113549.1.9.16.2.14");
        Attribute att = unsignedAttributes == null ? null : unsignedAttributes.get(tsId);
        if (att == null) {
            System.out.println("creating timeStamp...");
            ASN1EncodableVector tsVector = new ASN1EncodableVector();
            ContentInfo timeStampToken = createTimeStamp(serviceURI, signature);
            tsVector.add(timeStampToken);
            DERSet attributeValues = new DERSet(tsVector);
            att = new Attribute(tsId, attributeValues);
            Hashtable attrMap = new Hashtable();
            attrMap.put(tsId, att);
            AttributeTable table = new AttributeTable(attrMap);
            SignerInformation newSi = SignerInformation.replaceUnsignedAttributes(si, table);
            siList.add(newSi);
        } else {
            System.out.println("timeStamp present");
        }
    }
    if (// replace signers
    !siList.isEmpty()) {
        newSignedData = CMSSignedData.replaceSigners(signedData, new SignerInformationStore(siList));
        newSignedData = new CMSSignedData(newSignedData.getEncoded());
    } else
        newSignedData = signedData;
    return newSignedData;
}