3 miscellaneous changes
- From: "Paulo Soares" <psoares (at) consiste.pt>
- Date: Thu, 3 Aug 2006 09:39:33 +0100
Please post a link to your PDF for inspection.
Paulo
----- Original Message -----
From: "Herman Sushkevich" <herman (at) itbc-group.pl>
To: "Post all your questions about iText here"
<itext-questions (at) lists.sourceforge.net>
Sent: Thursday, August 03, 2006 8:26 AM
Subject: Re: [iText-questions] 3 miscellaneous changes
> >Hi,
>>what's mean miscellaneous changes in pdf files?
>>I don't need to show any logo in signature. But I get "3 miscellaneous
>>changes" in "modifications list".
>>What is it?
>
> Pls hlp....
>
> I don't need to show any logo in signature. But I get "3 miscellaneous
> changes" in "modifications list" in Acrobat Reader.
>
> My code of PDFSigner here:
>
> using System;
> using System.IO;
> using System.Collections;
> using org.bouncycastle.pkcs;
> using org.bouncycastle.crypto;
> using org.bouncycastle.x509;
> using iTextSharp.text;
> using iTextSharp.text.pdf;
>
> namespace PDFSignerNS
> {
> /// <summary>
> /// Signs PDF documents with a certificate (PFX)
> /// </summary>
> public class PDFSigner
> {
> /// <summary>
> /// Stores pfx certificate
> /// </summary>
> protected PKCS12Store pk12 = null;
> protected X509Certificate[] chain;
> protected AsymmetricKeyParameter akp;
> public string Reason = "";
> public string Location = "";
>
> /// <summary>
> /// Loads pfx certificate from file into certificate collection
> /// </summary>
> /// <param name="pfxFileName">pfx file</param>
> /// <param name="pfxPassword">password</param>
> public void LoadPFXCert(string pfxFileName, string pfxPassword)
> {
> pk12 = new PKCS12Store(
> new FileStream(
> pfxFileName,
> FileMode.Open,
> FileAccess.Read),
> pfxPassword.ToCharArray());
> IEnumerator i = pk12.aliases();
> string alias = "";
> while (i.MoveNext())
> {
> alias = ((string)i.Current);
> if (pk12.isKeyEntry(alias))
> break;
> }
> akp = pk12.getKey(alias).getKey();
> X509CertificateEntry[] ce = pk12.getCertificateChain(alias);
> chain = new X509Certificate[ce.Length];
> for (int k = 0; k < ce.Length; ++k)
> chain[k] = ce[k].getCertificate();
> }
>
> /// <summary>
> /// Signs pdf document
> /// </summary>
> /// <param name="plainPdfStream"></param>
> /// <param name="signPdfStream"></param>
> public void SignPFD(Stream plainPdfStream, Stream signPdfStream)
> {
> PdfReader reader = new PdfReader(plainPdfStream);
> PdfStamper stamper = PdfStamper.CreateSignature(reader,
> signPdfStream, '\0');
>
> SignPFDInternal(stamper, pk12 as PKCS12Store);
> stamper.Close();
> }
>
>
> protected void SignPFDInternal(PdfStamper st, PKCS12Store pk12)
> {
>
> PdfSignatureAppearance sap = st.SignatureAppearance;
> sap.SetCrypto(akp, chain, null,
> PdfSignatureAppearance.WINCER_SIGNED);
> sap.Reason = Reason;
> sap.Location = Location;
> sap.SetVisibleSignature(new Rectangle(100, 100, 200, 200), 1,
> null);
> }
> }
> }
>
>
>
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