Example usage for org.bouncycastle.cms CMSSignedGenerator DATA

Introduction

In this page you can find the example usage for org.bouncycastle.cms CMSSignedGenerator DATA.

Prototype

String DATA

To view the source code for org.bouncycastle.cms CMSSignedGenerator DATA.

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Document

Default type for the signed data.

Usage

From source file:org.votingsystem.signature.dnie.DNIePDFContentSigner.java

License:Open Source License

public CMSSignedData genSignedData(byte[] contentBytes, CMSAttributeTableGenerator unsAttr) throws Exception {
    List signerInfs = new ArrayList();
    SignerInf signerInf = new SignerInf(CMSUtils.getSignerIdentifier(certUser), pkcs11Session, unsAttr);
    signerInfs.add(signerInf);//from  ww  w .  j av a 2  s  .  c  om
    CMSProcessable content = new CMSProcessableByteArray(contentBytes);
    CMSSignedData signedData = getCMSSignedData(CMSSignedGenerator.DATA, content, true,
            CMSUtils.getProvider("BC"), true, signerInfs);
    return signedData;
}

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From source file:org.votingsystem.signature.util.PDFContentSigner.java

License:Open Source License

public CMSSignedData genSignedData(byte[] signatureHash, CMSAttributeTableGenerator unsAttr) throws Exception {
    CMSProcessable content = new CMSProcessableByteArray(signatureHash);
    ByteArrayOutputStream out = null;
    if (content != null) {
        out = new ByteArrayOutputStream();
        content.write(out);/*from w  ww .  j  av a  2  s  .  co  m*/
        out.close();
    }
    ByteArrayInputStream bais = new ByteArrayInputStream(out.toByteArray());
    MessageDigest softwareDigestEngine = MessageDigest.getInstance(signatureDigestAlg);
    int bytesRead;
    byte[] dataBuffer = new byte[4096];
    while ((bytesRead = bais.read(dataBuffer)) >= 0) {
        softwareDigestEngine.update(dataBuffer, 0, bytesRead);
    }
    byte[] hash = softwareDigestEngine.digest();
    CertStore certsAndCRLs = CertStore.getInstance(CERT_STORE_TYPE,
            new CollectionCertStoreParameters(Arrays.asList(signerCertChain)), ContextVS.PROVIDER);
    addCertificatesAndCRLs(certsAndCRLs);
    CMSAttributeTableGenerator sAttr = new DefaultSignedAttributeTableGenerator();
    ASN1ObjectIdentifier contentTypeOID = new ASN1ObjectIdentifier(CMSSignedGenerator.DATA);
    Map parameters = getBaseParameters(contentTypeOID,
            new AlgorithmIdentifier(new DERObjectIdentifier(pdfDigestObjectIdentifier), new DERNull()), hash);
    AttributeTable attributeTable = sAttr.getAttributes(Collections.unmodifiableMap(parameters));
    //String signatureHashStr = new String(Base64.encode(signatureHash));
    JcaSimpleSignerInfoGeneratorBuilder jcaSignerInfoGeneratorBuilder = new JcaSimpleSignerInfoGeneratorBuilder();
    jcaSignerInfoGeneratorBuilder = jcaSignerInfoGeneratorBuilder.setProvider(ContextVS.PROVIDER);
    jcaSignerInfoGeneratorBuilder.setSignedAttributeGenerator(attributeTable);
    jcaSignerInfoGeneratorBuilder.setUnsignedAttributeGenerator(unsAttr);
    SignerInfoGenerator signerInfoGenerator = jcaSignerInfoGeneratorBuilder.build(signatureMechanism,
            privateKey, userCert);
    SignerInfo signerInfo = signerInfoGenerator.generate(contentTypeOID);
    List<SignerInfo> signerInfoList = new ArrayList<SignerInfo>();
    signerInfoList.add(signerInfo);
    log.info(" -- userCert: " + userCert.getSubjectDN().getName());
    CMSSignedData signedData = getCMSSignedData(CMSSignedGenerator.DATA, content, true,
            CMSUtils.getProvider("BC"), true, signerInfoList);
    return signedData;
}

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