Example usage for com.itextpdf.text.pdf.security CrlClientOnline CrlClientOnline

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf.security CrlClientOnline CrlClientOnline.

Prototype

public CrlClientOnline(Certificate[] chain) 

Source Link

Document

Creates a CrlClientOnline instance using a certificate chain.

Usage

From source file:SigningProcess.java

public static String sign(String base64, HashMap map) {
    String base64string = null;//from   ww w  .j a v  a  2 s .com
    try {
        System.out.println("map :" + map);
        // Getting a set of the entries
        Set set = map.entrySet();
        System.out.println("set :" + set);
        // Get an iterator
        Iterator it = set.iterator();
        // Display elements
        while (it.hasNext()) {
            Entry me = (Entry) it.next();
            String key = (String) me.getKey();
            if ("privateKey".equalsIgnoreCase(key)) {
                privateKey = (PrivateKey) me.getValue();
            }
            if ("certificateChain".equalsIgnoreCase(key)) {
                certificateChain = (X509Certificate[]) me.getValue();
            }
        }

        OcspClient ocspClient = new OcspClientBouncyCastle();
        TSAClient tsaClient = null;
        for (int i = 0; i < certificateChain.length; i++) {
            X509Certificate cert = (X509Certificate) certificateChain[i];
            String tsaUrl = CertificateUtil.getTSAURL(cert);
            if (tsaUrl != null) {
                tsaClient = new TSAClientBouncyCastle(tsaUrl);
                break;
            }
        }
        List<CrlClient> crlList = new ArrayList<CrlClient>();
        crlList.add(new CrlClientOnline(certificateChain));

        String property = System.getProperty("java.io.tmpdir");
        BASE64Decoder decoder = new BASE64Decoder();
        byte[] FileByte = decoder.decodeBuffer(base64);
        writeByteArraysToFile(property + "_unsigned.pdf", FileByte);

        // Creating the reader and the stamper
        PdfReader reader = new PdfReader(property + "_unsigned.pdf");
        FileOutputStream os = new FileOutputStream(property + "_signed.pdf");
        PdfStamper stamper = PdfStamper.createSignature(reader, os, '\0');
        // Creating the appearance
        PdfSignatureAppearance appearance = stamper.getSignatureAppearance();
        //            appearance.setReason(reason);
        //            appearance.setLocation(location);
        appearance.setAcro6Layers(false);
        appearance.setVisibleSignature(new Rectangle(36, 748, 144, 780), 1, "sig1");
        // Creating the signature
        ExternalSignature pks = new PrivateKeySignature((PrivateKey) privateKey, DigestAlgorithms.SHA256,
                providerMSCAPI.getName());
        ExternalDigest digest = new BouncyCastleDigest();
        MakeSignature.signDetached(appearance, digest, pks, certificateChain, crlList, ocspClient, tsaClient, 0,
                MakeSignature.CryptoStandard.CMS);

        InputStream docStream = new FileInputStream(property + "_signed.pdf");
        byte[] encodeBase64 = Base64.encodeBase64(IOUtils.toByteArray(docStream));
        base64string = new String(encodeBase64);
    } catch (IOException ex) {
        System.out.println("Exception :" + ex.getLocalizedMessage());
    } catch (DocumentException ex) {
        System.out.println("Exception :" + ex.getLocalizedMessage());
    } catch (GeneralSecurityException ex) {
        System.out.println("Exception :" + ex.getLocalizedMessage());
    }
    return base64string;
}

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