public static void Sign(string fileName, string signedFileName, string reason, string location,
string privateKeyFileName, string certFileName, string password)
{
PdfReader reader = new PdfReader(fileName);
PdfWriter write = new PdfWriter(signedFileName);
PdfSigner signer = new PdfSigner(reader, write, false);
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetReason(reason);
appearance.SetLocation(location);
appearance.SetReuseAppearance(false);
Rectangle rect = new Rectangle(36, 648, 200, 100);
appearance.SetPageRect(rect);
appearance.SetPageNumber(1);
signer.SetFieldName("sig");
IExternalSignature pks = new PrivateKeySignature(ReadPrivateKey(privateKeyFileName, password), GetEncryptionAlgorithm());
X509CertificateParser parser = new X509CertificateParser();
X509Certificate cert = LoadCertificate(certFileName);
X509Certificate[] chain = new X509Certificate[1];
chain[0] = cert;
PdfSigner.CryptoStandard subfilter = GetSubFilter();
signer.SignDetached(pks, chain, null, null, null, 0, subfilter);
}
public void Sign(String src, String dest, X509Certificate[] chain, ICipherParameters pk,
String digestAlgorithm, PdfSigner.CryptoStandard subfilter, String reason, String location,
ICollection <ICrlClient> crlList, IOcspClient ocspClient, ITSAClient tsaClient, int estimatedSize)
{
PdfReader reader = new PdfReader(src);
PdfSigner signer = new PdfSigner(reader, new FileStream(dest, FileMode.Create), new StampingProperties());
// Create the signature appearance
Rectangle rect = new Rectangle(36, 648, 200, 100);
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance
.SetReason(reason)
.SetLocation(location)
// Specify if the appearance before field is signed will be used
// as a background for the signed field. The "false" value is the default value.
.SetReuseAppearance(false)
.SetPageRect(rect)
.SetPageNumber(1);
signer.SetFieldName("sig");
IExternalSignature pks = new PrivateKeySignature(pk, digestAlgorithm);
// Sign the document using the detached mode, CMS or CAdES equivalent.
signer.SignDetached(pks, chain, crlList, ocspClient, tsaClient, estimatedSize, subfilter);
}
private void BuildSignatureAppearance(PdfSigner signer, Signature signing)
{
// Creating the appearance
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetReason(signing.SignReason);
appearance.SetContact(signing.SignContact);
appearance.SetLocation(signing.SignLocation);
var arial = PdfFontFactory.CreateFont(Environment.GetEnvironmentVariable("WINDIR") + "\\Fonts\\Arial.ttf", PdfName.WinAnsiEncoding.GetValue(), true);
appearance.SetLayer2Font(arial);
if (!signing.AllowMultiSigning)
{
signer.SetCertificationLevel(PdfSigner.CERTIFIED_FORM_FILLING_AND_ANNOTATIONS);
appearance.SetCertificate(signer.GetSignatureAppearance().GetCertificate());
}
if (signing.DisplaySignatureInDocument)
{
var signPage = SignPageNr(signer, signing);
var left = signing.LeftX;
var bottom = signing.LeftY;
var width = signing.RightX - left;
var height = signing.RightY - bottom;
var rect = new Rectangle(left, bottom, width, height);
appearance.SetPageRect(rect);
appearance.SetPageNumber(signPage);
}
}
public void Sign2(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);
// Creating the appearance for layer 2
PdfFormXObject n2 = appearance.GetLayer2();
// Custom text, custom font, and right-to-left writing
// Characters: لورانس العرب
Text text = new Text("\u0644\u0648\u0631\u0627\u0646\u0633 \u0627\u0644\u0639\u0631\u0628");
text.SetFont(PdfFontFactory.CreateFont("../../../resources/font/NotoNaskhArabic-Regular.ttf",
PdfEncodings.IDENTITY_H, true));
text.SetBaseDirection(BaseDirection.RIGHT_TO_LEFT);
new Canvas(n2, signer.GetDocument()).Add(new Paragraph(text).SetTextAlignment(TextAlignment.RIGHT));
IExternalSignature pks = new PrivateKeySignature(pk, digestAlgorithm);
signer.SignDetached(pks, chain, null, null, null, 0, subfilter);
}
public void Sign(String src, String dest, X509Certificate[] chain, ICipherParameters pk,
String digestAlgorithm, PdfSigner.CryptoStandard subfilter,
int certificationLevel, 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);
appearance.SetLocation(location);
Rectangle rect = new Rectangle(36, 648, 200, 100);
appearance.SetPageRect(rect).SetPageNumber(1);
signer.SetFieldName("sig");
/* Set the document's certification level. This parameter defines if changes are allowed
* after the applying of the signature.
*/
signer.SetCertificationLevel(certificationLevel);
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);
}
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);
}
private static void ConfiguraAparencia(PdfSigner objStamper, CertSimples cert, int X, int Y, int Largura, int Altura, int Pagina, int Rotation, string Contact = "", string Reason = "Assinatura Digital", string Location = "Indústrias Nucleares do Brasil S/A - INB", string Creator = "Assinador da INB", TipoAssinatura Tipo = TipoAssinatura.Normal, string Cargo = "", string CREACRM = "")
{
PdfDocument pdfDoc = objStamper.GetDocument();
PdfPage oPage = pdfDoc.GetPage(Pagina);
int LarguraAssinatura = Largura;
int AlturaAssinatura = Altura;
int X_Ajustado, Y_Ajustado;
X_Ajustado = X;
Y_Ajustado = Y;
var crop = oPage.GetCropBox();
float Left, Top, Width, Height;
Bitmap bmp = Graphic.ConfiguraBMP(cert, out Altura, Tipo);
if (Rotation == 270)
{
Left = (int)crop.GetLeft() + X_Ajustado;
Top = (int)crop.GetRight() - (Y_Ajustado + AlturaAssinatura + 5);
}
else if (Rotation == 90)
{
Left = (int)crop.GetRight() + X_Ajustado;
Top = (int)crop.GetLeft() - (Y_Ajustado + AlturaAssinatura + 5);
}
else
{
Left = (int)crop.GetLeft() + X_Ajustado;
Top = (int)crop.GetTop() - (Y_Ajustado + AlturaAssinatura + 5);
}
Width = LarguraAssinatura;
Height = AlturaAssinatura;
iText.Kernel.Geom.Rectangle oRetangulo = new iText.Kernel.Geom.Rectangle(Left, Top, Width, Height);
var pageSize = pdfDoc.GetPage(Pagina).GetMediaBox();
var signaturePosition = new iText.Kernel.Geom.Rectangle(pageSize.GetLeft(), pageSize.GetBottom(), pageSize.GetWidth(), pageSize.GetHeight());
PdfSignatureAppearance signatureAppearance = objStamper.GetSignatureAppearance();
var memoryStream = new MemoryStream();
bmp.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Jpeg);
iText.IO.Image.ImageData pic = iText.IO.Image.ImageDataFactory.Create(memoryStream.ToArray());
signatureAppearance.SetReason(Reason);
signatureAppearance.SetLocation(Location);
signatureAppearance.SetSignatureCreator(Creator);
signatureAppearance.SetSignatureGraphic(pic);
signatureAppearance.SetRenderingMode(PdfSignatureAppearance.RenderingMode.GRAPHIC);
signatureAppearance.SetPageRect(oRetangulo);
signatureAppearance.SetPageNumber(Pagina);
}
public void SignAgain(String src, 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().UseAppendMode());
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetReason(reason);
appearance.SetLocation(location);
appearance.SetReuseAppearance(false);
Rectangle rect = new Rectangle(36, 700, 200, 100);
appearance.SetPageRect(rect).SetPageNumber(1);
signer.SetFieldName("Signature2");
PrivateKeySignature pks = new PrivateKeySignature(pk, digestAlgorithm);
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)
{
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);
// Get the background layer and draw a gray rectangle as a background.
PdfFormXObject n0 = appearance.GetLayer0();
float x = n0.GetBBox().ToRectangle().GetLeft();
float y = n0.GetBBox().ToRectangle().GetBottom();
float width = n0.GetBBox().ToRectangle().GetWidth();
float height = n0.GetBBox().ToRectangle().GetHeight();
PdfCanvas canvas = new PdfCanvas(n0, signer.GetDocument());
canvas.SetFillColor(ColorConstants.LIGHT_GRAY);
canvas.Rectangle(x, y, width, height);
canvas.Fill();
// Set the signature information on layer 2
PdfFormXObject n2 = appearance.GetLayer2();
Paragraph p = new Paragraph("This document was signed by Bruno Specimen.");
new Canvas(n2, signer.GetDocument()).Add(p);
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);
}
protected void SignDocumentSignature(string filePath, ElectronicSignatureInfoDTO signatureInfo)
{
PdfSigner pdfSigner = new PdfSigner(new PdfReader(SRC), new FileStream(filePath, FileMode.Create),
new StampingProperties());
pdfSigner.SetCertificationLevel(PdfSigner.CERTIFIED_NO_CHANGES_ALLOWED);
// Set the name indicating the field to be signed.
// The field can already be present in the document but shall not be signed
pdfSigner.SetFieldName("signature");
ImageData clientSignatureImage = ImageDataFactory.Create(IMAGE_PATH);
// If you create new signature field (or use SetFieldName(System.String) with
// the name that doesn't exist in the document or don't specify it at all) then
// the signature is invisible by default.
PdfSignatureAppearance signatureAppearance = pdfSigner.GetSignatureAppearance();
signatureAppearance.SetRenderingMode(PdfSignatureAppearance.RenderingMode.GRAPHIC);
signatureAppearance.SetReason("");
signatureAppearance.SetLocationCaption("");
signatureAppearance.SetSignatureGraphic(clientSignatureImage);
signatureAppearance.SetPageNumber(signatureInfo.PageNumber);
signatureAppearance.SetPageRect(new Rectangle(signatureInfo.Left, signatureInfo.Bottom,
25, 25));
char[] password = "******".ToCharArray();
IExternalSignature pks = GetPrivateKeySignature(CERT_PATH, password);
X509Certificate[] chain = GetCertificateChain(CERT_PATH, password);
OCSPVerifier ocspVerifier = new OCSPVerifier(null, null);
OcspClientBouncyCastle ocspClient = new OcspClientBouncyCastle(ocspVerifier);
List <ICrlClient> crlClients = new List <ICrlClient>(new[] { new CrlClientOnline() });
// Sign the document using the detached mode, CMS or CAdES equivalent.
// This method closes the underlying pdf document, so the instance
// of PdfSigner cannot be used after this method call
pdfSigner.SignDetached(pks, chain, crlClients, ocspClient, null, 0,
PdfSigner.CryptoStandard.CMS);
}
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);
}
public void Sign(String src, String dest, X509Certificate[] chain, 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
Rectangle rect = new Rectangle(36, 648, 200, 100);
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance
.SetReason(reason)
.SetLocation(location)
.SetPageRect(rect)
.SetPageNumber(1);
signer.SetFieldName("sig");
IExternalSignature pks = new ServerSignature();
// 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,
String contact, String fullName)
{
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);
appearance.SetContact(contact);
signer.SetFieldName(name);
// Set the signature event to allow modification of the signature dictionary.
signer.SetSignatureEvent(new CustomISignatureEvent(fullName));
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);
}
public byte[] GenerirajPotpisaniDokument(byte[] document, string documentName, string signingReason, string signingLocation)
{
try
{
string alias = "";
List <Org.BouncyCastle.X509.X509Certificate> chain = new List <Org.BouncyCastle.X509.X509Certificate>();
var location = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, AppDomain.CurrentDomain.RelativeSearchPath ?? "");
//var destinationPath = $@"Data\{documentName}";
//destinationPath = Path.Combine(location, destinationPath);
var destinationPath = iConfig["DocumentDestinationPath"] + documentName;
var certPath = @"C:\Users\Crega\Source\Repos\PdfSigner\PdfSigner\bin\Debug\netcoreapp3.0\certifikat.pfx";
certPath = Path.Combine(location, certPath);
var cert = File.ReadAllBytes(certPath);
Stream certStream = new MemoryStream(cert);
Pkcs12Store store = new Pkcs12Store(certStream, "12345".ToCharArray());
// searching for private key
foreach (string al in store.Aliases)
{
if (store.IsKeyEntry(al) && store.GetKey(al).Key.IsPrivate)
{
alias = al;
break;
}
}
AsymmetricKeyEntry pk = store.GetKey(alias);
foreach (X509CertificateEntry c in store.GetCertificateChain(alias))
{
chain.Add(c.Certificate);
}
RsaPrivateCrtKeyParameters parameters = pk.Key as RsaPrivateCrtKeyParameters;
Stream documentStream = new MemoryStream(document);
PdfReader reader = new PdfReader(documentStream);
FileStream os = new FileStream(destinationPath, FileMode.Create);
StampingProperties sp = new StampingProperties();
iText.Signatures.PdfSigner signer = new iText.Signatures.PdfSigner(reader, os, sp);
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance.SetReason(signingReason);
appearance.SetLocation(signingLocation);
appearance.SetContact("*****@*****.**");
//appearance.SetPageRect(new iText.Kernel.Geom.Rectangle(36, 748, 144, 780));
appearance.SetPageNumber(1);
appearance.SetCertificate(chain[0]);
// Creating the signature
IExternalSignature pks = new PrivateKeySignature(parameters, DigestAlgorithms.SHA256);
signer.SignDetached(pks, chain.ToArray(), null, null, null, 0, iText.Signatures.PdfSigner.CryptoStandard.CADES);
//MakeSignature.SignDetached(appearance, pks, chain, null, null, null, 0, PdfSigner.CryptoStandard.CADES);
os.Close();
certStream.Close();
var documentToReturn = File.ReadAllBytes(destinationPath);
File.Delete(destinationPath);
return(documentToReturn);
}
catch (Exception ex)
{
}
return(null);
}
