private void TestSignatureOnRotatedPage(int pageNum, PdfSignatureAppearance.RenderingMode renderingMode, StringBuilder
assertionResults)
{
String fileName = "signaturesOnRotatedPages" + pageNum + "_mode_" + renderingMode.ToString() + ".pdf";
String src = sourceFolder + "documentWithRotatedPages.pdf";
String dest = destinationFolder + fileName;
PdfSigner signer = new PdfSigner(new PdfReader(src), new FileStream(dest, FileMode.Create), new StampingProperties
().UseAppendMode());
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetLayer2Text("Digitally signed by Test User. All rights reserved. Take care!").SetPageRect(new
Rectangle(100, 100, 100, 50)).SetRenderingMode(renderingMode).SetSignatureGraphic(ImageDataFactory.Create
(sourceFolder + "itext.png")).SetPageNumber(pageNum);
signer.SetCertificationLevel(PdfSigner.NOT_CERTIFIED);
IExternalSignature pks = new PrivateKeySignature(pk, DigestAlgorithms.SHA256);
signer.SignDetached(pks, chain, null, null, null, 0, PdfSigner.CryptoStandard.CADES);
// Make sure iText can open the document
new PdfDocument(new PdfReader(dest)).Close();
try {
String testResult = new CompareTool().CompareVisually(dest, sourceFolder + "cmp_" + fileName, destinationFolder
, "diff_");
if (null != testResult)
{
assertionResults.Append(testResult);
}
}
catch (CompareTool.CompareToolExecutionException e) {
assertionResults.Append(e.Message);
}
}
public void Sign(String src, String name, String dest, X509Certificate[] chain,
ICipherParameters pk, String digestAlgorithm, PdfSigner.CryptoStandard subfilter,
String reason, String location, PdfSignatureAppearance.RenderingMode renderingMode, ImageData image)
{
PdfReader reader = new PdfReader(src);
PdfSigner signer = new PdfSigner(reader, new FileStream(dest, FileMode.Create), new StampingProperties());
// Create the signature appearance
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetReason(reason);
appearance.SetLocation(location);
// This name corresponds to the name of the field that already exists in the document.
signer.SetFieldName(name);
appearance.SetLayer2Text("Signed on " + DateTime.Now);
// Set the rendering mode for this signature.
appearance.SetRenderingMode(renderingMode);
// Set the Image object to render when the rendering mode is set to RenderingMode.GRAPHIC
// or RenderingMode.GRAPHIC_AND_DESCRIPTION.
appearance.SetSignatureGraphic(image);
PrivateKeySignature pks = new PrivateKeySignature(pk, digestAlgorithm);
// Sign the document using the detached mode, CMS or CAdES equivalent.
signer.SignDetached(pks, chain, null, null, null, 0, subfilter);
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="Org.BouncyCastle.Security.GeneralSecurityException"/>
private void TestSignatureAppearanceAutoscale(String dest, Rectangle rect, PdfSignatureAppearance.RenderingMode
renderingMode)
{
String src = sourceFolder + "simpleDocument.pdf";
PdfSigner signer = new PdfSigner(new PdfReader(src), new FileStream(dest, FileMode.Create), false);
// Creating the appearance
signer.GetSignatureAppearance().SetLayer2FontSize(0).SetReason("Test 1").SetLocation("TestCity").SetPageRect
(rect).SetRenderingMode(renderingMode).SetSignatureGraphic(ImageDataFactory.Create(sourceFolder + "itext.png"
));
signer.SetFieldName("Signature1");
// Creating the signature
IExternalSignature pks = new PrivateKeySignature(pk, DigestAlgorithms.SHA256);
signer.SignDetached(pks, chain, null, null, null, 0, PdfSigner.CryptoStandard.CADES);
}
public void Sign(String src, String name, String dest, ICollection <X509Certificate> chain, ICipherParameters pk,
String digestAlgorithm, CryptoStandard subfilter, String reason, String location,
PdfSignatureAppearance.RenderingMode renderingMode, Image image)
{
// Creating the reader and the stamper
PdfReader reader = new PdfReader(src);
FileStream os = new FileStream(dest, FileMode.Create);
PdfStamper stamper = PdfStamper.CreateSignature(reader, os, '\0');
// Creating the appearance
PdfSignatureAppearance appearance = stamper.SignatureAppearance;
appearance.Reason = reason;
appearance.Location = location;
appearance.SetVisibleSignature(name);
appearance.Layer2Text = "Signed on " + DateTime.Now;
appearance.SignatureRenderingMode = renderingMode;
appearance.SignatureGraphic = image;
// Creating the signature
IExternalSignature pks = new PrivateKeySignature(pk, digestAlgorithm);
MakeSignature.SignDetached(appearance, pks, chain, null, null, null, 0, subfilter);
}
/// <summary>Sets the rendering mode for this signature.</summary>
/// <param name="renderingMode">the rendering mode</param>
public virtual iText.Signatures.PdfSignatureAppearance SetRenderingMode(PdfSignatureAppearance.RenderingMode
renderingMode)
{
this.renderingMode = renderingMode;
return(this);
}
