protected CMSSignedData modifySignedData()

in jsign-core/src/main/java/net/jsign/timestamp/Timestamper.java [177:196]

• 16 lines of code
• 2 McCabe index (conditional complexity)

    protected CMSSignedData modifySignedData(CMSSignedData sigData, AttributeTable unsignedAttributes, Collection<X509CertificateHolder> extraCertificates) throws IOException, CMSException {
        SignerInformation signerInformation = sigData.getSignerInfos().getSigners().iterator().next();
        signerInformation = SignerInformation.replaceUnsignedAttributes(signerInformation, unsignedAttributes);
        
        Collection<X509CertificateHolder> certificates = new ArrayList<>();
        certificates.addAll(sigData.getCertificates().getMatches(null));
        if (extraCertificates != null) {
            certificates.addAll(extraCertificates);
        }
        Store<X509CertificateHolder> certificateStore = new CollectionStore<>(certificates);
        
        AuthenticodeSignedDataGenerator generator = new AuthenticodeSignedDataGenerator();
        generator.addCertificates(certificateStore);
        generator.addSigners(new SignerInformationStore(signerInformation));
        
        ASN1ObjectIdentifier contentType = new ASN1ObjectIdentifier(sigData.getSignedContentTypeOID());
        ASN1Encodable content = ASN1Sequence.getInstance(sigData.getSignedContent().getContent());
                
        return generator.generate(contentType, content);
    }