3 miscellaneous changes
- From: "Herman Sushkevich" <herman (at) itbc-group.pl>
- Date: Fri, 4 Aug 2006 15:03:24 +0200
No "3 miscellaneous changes"? What do you mean "make signature certified"?
I post this problem in comp.text.pdf but no answer.
Herman
----- Wiadomosc oryginalna -----
Od: "Aleksandras S" <aleksandras.smirnovas (at) gmail.com>
Do: "Post all your questions about iText here"
<itext-questions (at) lists.sourceforge.net>
Wyslano: 4 sierpnia 2006 13:53
Temat: Re: [iText-questions] 3 miscellaneous changes
>I have same problem..
> When i make signature certified whith the same pdf there is no "3
> miscellaneous changes"
> If you will find a solution post it here please
> Alex
>
> On 03/08/06, Herman Sushkevich <herman (at) itbc-group.pl> wrote:
>>
>> >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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