Example usage for org.bouncycastle.cms.jcajce JcaSimpleSignerInfoGeneratorBuilder setSignedAttributeGenerator

Introduction

In this page you can find the example usage for org.bouncycastle.cms.jcajce JcaSimpleSignerInfoGeneratorBuilder setSignedAttributeGenerator.

Prototype

public JcaSimpleSignerInfoGeneratorBuilder setSignedAttributeGenerator(AttributeTable attrTable) 

Source Link

Document

set up a DefaultSignedAttributeTableGenerator primed with the passed in AttributeTable.

Usage

From source file:net.markenwerk.utils.mail.smime.SmimeUtil.java

License:Open Source License

private static SignerInfoGenerator getInfoGenerator(SmimeKey smimeKey)
        throws OperatorCreationException, CertificateEncodingException {
    JcaSimpleSignerInfoGeneratorBuilder builder = new JcaSimpleSignerInfoGeneratorBuilder();
    builder.setSignedAttributeGenerator(new AttributeTable(getSignedAttributes(smimeKey)));
    builder.setProvider(BouncyCastleProvider.PROVIDER_NAME);

    PrivateKey privateKey = smimeKey.getPrivateKey();
    X509Certificate certificate = smimeKey.getCertificate();
    SignerInfoGenerator infoGenerator = builder.build("SHA256withRSA", privateKey, certificate);
    return infoGenerator;
}

---

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  a va2 s.c  om
        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;
}

---