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 Sign1(String src, String name, String dest, X509Certificate[] chain,
ICipherParameters pk, String digestAlgorithm, PdfSigner.CryptoStandard subfilter,
String reason, String location)
{
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)
.SetLocation(location);
// This name corresponds to the name of the field that already exists in the document.
signer.SetFieldName(name);
// Set the custom text and a custom font
appearance.SetLayer2Text("This document was signed by Bruno Specimen");
appearance.SetLayer2Font(PdfFontFactory.CreateFont(StandardFonts.TIMES_ROMAN));
IExternalSignature 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);
}
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);
}
static void Main(string[] args)
{
Parser.Default.ParseArguments <Options>(args).WithParsed <Options>(options =>
{
string keystore = options.SignatureCertificate;
char[] password = options.SignaturePassword.ToCharArray();
Pkcs12Store pkcs12Store = new Pkcs12Store(new FileStream(keystore, FileMode.Open, FileAccess.Read), password);
string keyAlias = null;
foreach (object alias in pkcs12Store.Aliases)
{
keyAlias = (string)alias;
if (pkcs12Store.IsKeyEntry(keyAlias))
{
break;
}
}
ICipherParameters key = pkcs12Store.GetKey(keyAlias).Key;
X509CertificateEntry[] certificateEntry = pkcs12Store.GetCertificateChain(keyAlias);
X509Certificate[] certificate = new X509Certificate[certificateEntry.Length];
for (int i = 0; i < certificateEntry.Length; ++i)
{
certificate[i] = certificateEntry[i].Certificate;
}
string srcPdf = options.SrcPdf;
string destPdf = System.IO.Path.GetTempFileName();
PdfReader pdfReader = new PdfReader(srcPdf);
PdfSigner pdfSigner = new PdfSigner(pdfReader, new FileStream(destPdf, FileMode.Create), new StampingProperties());
PdfSignatureAppearance appearance = pdfSigner.GetSignatureAppearance();
appearance
.SetLayer2Text(options.SignatureText)
.SetPageRect(new Rectangle(options.SignatureRectangleX, options.SignatureRectangleY, options.SignatureRectangleWidth, options.SignatureRectangleHeight))
.SetPageNumber(1);
pdfSigner.SetFieldName(options.SignatureName);
IExternalSignature privateKeySignature = new PrivateKeySignature(key, DigestAlgorithms.SHA256);
pdfSigner.SignDetached(privateKeySignature, certificate, null, null, null, 0, PdfSigner.CryptoStandard.CMS);
Console.WriteLine(destPdf);
});
}
public virtual void CalcHashOnDocCreationThenDeferredSignTest01()
{
String input = sourceFolder + "helloWorldDoc.pdf";
String outFileName = destinationFolder + "calcHashOnDocCreationThenDeferredSignTest01.pdf";
String cmpFileName = sourceFolder + "cmp_calcHashOnDocCreationThenDeferredSignTest01.pdf";
// pre-calculate hash on creating pre-signed PDF
String sigFieldName = "DeferredSignature1";
PdfName filter = PdfName.Adobe_PPKLite;
PdfName subFilter = PdfName.Adbe_pkcs7_detached;
int estimatedSize = 8192;
PdfReader reader = new PdfReader(input);
MemoryStream baos = new MemoryStream();
PdfSigner signer = new PdfSigner(reader, baos, new StampingProperties());
signer.SetCertificationLevel(PdfSigner.CERTIFIED_NO_CHANGES_ALLOWED);
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetLayer2Text("Signature field which signing is deferred.").SetPageRect(new Rectangle(36, 600,
200, 100)).SetPageNumber(1);
signer.SetFieldName(sigFieldName);
SignDeferredTest.DigestCalcBlankSigner external = new SignDeferredTest.DigestCalcBlankSigner(filter, subFilter
);
signer.SignExternalContainer(external, estimatedSize);
byte[] docBytesHash = external.GetDocBytesHash();
byte[] preSignedBytes = baos.ToArray();
// sign the hash
String signCertFileName = certsSrc + "signCertRsa01.p12";
X509Certificate[] signChain = Pkcs12FileHelper.ReadFirstChain(signCertFileName, password);
ICipherParameters signPrivateKey = Pkcs12FileHelper.ReadFirstKey(signCertFileName, password, password);
byte[] cmsSignature = SignDocBytesHash(docBytesHash, signPrivateKey, signChain);
// fill the signature to the presigned document
SignDeferredTest.ReadySignatureSigner extSigContainer = new SignDeferredTest.ReadySignatureSigner(cmsSignature
);
PdfDocument docToSign = new PdfDocument(new PdfReader(new MemoryStream(preSignedBytes)));
FileStream outStream = new FileStream(outFileName, FileMode.Create);
PdfSigner.SignDeferred(docToSign, sigFieldName, outStream, extSigContainer);
docToSign.Close();
outStream.Dispose();
// validate result
PadesSigTest.BasicCheckSignedDoc(outFileName, sigFieldName);
NUnit.Framework.Assert.IsNull(new CompareTool().CompareVisually(outFileName, cmpFileName, destinationFolder
, null));
}
private static void _addCarimbo(AssinarDTO dadosAssinatura, X509Certificate[] chain, PdfSigner signer)
{
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
var informacoesCertificado = chain.First().SubjectDN.GetValueList();
var assinante = informacoesCertificado[informacoesCertificado.Count - 1];
var textoCarimbo = $"Assinado digitalmente por: {assinante}. \n" +
$"Em: {dadosAssinatura.Local}. \n" +
$"Na data de: {DateTime.Now:dd/MM/yyyy} as {DateTime.Now:HH:mm}. \n" +
$"Razão: {dadosAssinatura.Razao}.";
appearance.SetLayer2Text(textoCarimbo)
.SetPageRect(new Rectangle(dadosAssinatura.GetPosicao().X, dadosAssinatura.GetPosicao().Y, dadosAssinatura.GetTamanho().X, dadosAssinatura.GetTamanho().Y))
.SetLocation(dadosAssinatura.Local)
.SetReason(dadosAssinatura.Razao)
.SetSignatureCreator("SGI Digital Signature")
.SetPageNumber(1)
;
signer.SetFieldName("Campo de assinatura");
}
public virtual void PrepareDocForSignDeferredTest()
{
String input = sourceFolder + "helloWorldDoc.pdf";
String output = destinationFolder + "newTemplateForSignDeferred.pdf";
String sigFieldName = "DeferredSignature1";
PdfName filter = PdfName.Adobe_PPKLite;
PdfName subFilter = PdfName.Adbe_pkcs7_detached;
int estimatedSize = 8192;
PdfReader reader = new PdfReader(input);
PdfSigner signer = new PdfSigner(reader, new FileStream(output, FileMode.Create), new StampingProperties()
);
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetLayer2Text("Signature field which signing is deferred.").SetPageRect(new Rectangle(36, 600,
200, 100)).SetPageNumber(1);
signer.SetFieldName(sigFieldName);
IExternalSignatureContainer external = new ExternalBlankSignatureContainer(filter, subFilter);
signer.SignExternalContainer(external, estimatedSize);
// validate result
ValidateTemplateForSignedDeferredResult(output, sigFieldName, filter, subFilter, estimatedSize);
}
public void Sign3(String src, String name, String dest, X509Certificate[] chain,
ICipherParameters pk, String digestAlgorithm, PdfSigner.CryptoStandard subfilter,
String reason, String location)
{
PdfReader reader = new PdfReader(src);
PdfSigner signer = new PdfSigner(reader, new FileStream(dest, FileMode.Create), new StampingProperties());
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetReason(reason);
appearance.SetLocation(location);
signer.SetFieldName(name);
// Set a custom text and background image
appearance.SetLayer2Text("This document was signed by Bruno Specimen");
appearance.SetImage(ImageDataFactory.Create(IMG));
appearance.SetImageScale(1);
PrivateKeySignature pks = new PrivateKeySignature(pk, digestAlgorithm);
signer.SignDetached(pks, chain, null, null, null, 0, subfilter);
}
