Post a PDF that demonstrates the situation.
From: Dejan Milenković <[email protected]<mailto:[email protected]>>
Reply-To: Post here
<[email protected]<mailto:[email protected]>>
Date: Wed, 25 Jan 2012 06:39:58 -0800
To: Post here
<[email protected]<mailto:[email protected]>>
Subject: [iText-questions] Digital signing and embedding certificate CRL
Hi,
I'm writing application which is using certificate on smart card to sign .pdf
file (using provided .NET 2.0 example). Also it should embed certificate CRL.
When I open generated .pdf from Adobe Reader X and look at Signature
properties->Signer->Show certificate->Revocation it show it is using local
cache for CRL (The selected certificate is considered valid because it does not
appear in the Certificate Revocation List (CRL) that is contained in the local
cache.).
Code that is used is:
/* Get whole certificate chain: from root CA certificate to certificate that is
used for signing */
Org.BouncyCastle.X509.X509Certificate[] chain = GetCertChain(smartCard);
/* Get CRLs for all non rootCA certificates */
X509Crl[] crls=GetCRLList(chain);
PdfReader reader = new PdfReader(srcPdfFilePath);
PdfStamper stp = PdfStamper.CreateSignature(reader, new
FileStream(dstPdfFilePath, FileMode.Create), '\0');
PdfSignatureAppearance sap = stp.SignatureAppearance;
...
sap.SetCrypto(null, chain, crls, PdfSignatureAppearance.WINCER_SIGNED);
...
I'm using itextsharp 5.1.3.
All references on Internet I could find are from 2007 and 2009 year (itext
2.x.x). One of them states that PdfPKCS7 class is patched to allow this but I'm
not sure how could I use it when certificate is on smart card.
Any help will be appreciated.
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