Example usage for org.bouncycastle.cms SignerInformation getEncodedSignedAttributes

Introduction

In this page you can find the example usage for org.bouncycastle.cms SignerInformation getEncodedSignedAttributes.

Prototype

public byte[] getEncodedSignedAttributes() throws IOException 

Source Link

Document

return the DER encoding of the signed attributes.

Usage

From source file:com.aaasec.sigserv.csspsupport.pdfbox.PdfBoxSigUtil.java

License:EUPL

/**
 * This method extracts data from a dummy signature into the PdfBoxModel used
 * in a later stage to update the signature with an externally created signature.
 * @param model A PdfBoxModel for this signature task.
 * @throws IOException /*  w  w w. j a va2s  .c  om*/
 */
public static void parseSignedData(PdfSignModel model) throws IOException {
    CMSSignedData signedData = model.getSignedData();
    SignerInformationStore signerInfos = signedData.getSignerInfos();
    Iterator iterator = signerInfos.getSigners().iterator();
    List<SignerInformation> siList = new ArrayList<SignerInformation>();
    while (iterator.hasNext()) {
        siList.add((SignerInformation) iterator.next());
    }
    if (!siList.isEmpty()) {
        SignerInformation si = siList.get(0);
        model.setCmsSigAttrBytes(si.getEncodedSignedAttributes());
    }
}

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