"Ing. Barbara Zussner" <[EMAIL PROTECTED]> wrote: As attachement I send you
one of the files, I signed with my program and
the extract of the code, which signs the program. The signature from the
card is correct.
Thank you very much.
Best regards
Barbara Zussner
using System;
using System.Collections.Generic;
using System.IO;
using System.Security.Cryptography;
using System.Text;
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.Runtime.InteropServices;
using Org.BouncyCastle.X509;
using Org.BouncyCastle.Asn1.X509;
using mctcomm;
using System.Collections;
using Interop.CAPICOM;
namespace PDFSignature
{
class PDFSigner
{
private byte[] pinArray;
private ManagedSignature msig;
private X509Certificate[] certs;
public PDFSigner()
{
msig = new ManagedSignature();
}
public bool initTerminal()
{
return msig.initTerminal();
}
public bool closeTerminal()
{
return msig.closeTerminal();
}
public void setPin(char[] pin)
{
// pad pin array with 0 to length 8
pinArray = new byte[8];
for (int i = 0; i < 8; i++)
{
if (i < pin.Length)
{
pinArray[i] = charToHex(pin[i]);
}
else
{
pinArray[i] = charToHex(' ');
}
}
}
public bool initCertificate()
{
byte[] crt;
byte[] certificate;
certs = new X509Certificate[1];
System.Security.Cryptography.X509Certificates.X509Certificate crl = new
System.Security.Cryptography.X509Certificates.X509Certificate("test.cer");
X509CertificateParser cp = new X509CertificateParser();
System.Security.Cryptography.X509Certificates.X509Certificate2 cert =
getCert();//new
System.Security.Cryptography.X509Certificates.X509Certificate2(certificate);
certificate = crl.GetRawCertData();
Console.WriteLine("Certificate from File:");
for (int i = 0; i < certificate.Length; i++)
{
Console.Write(certificate[i]);
Console.Write(" ");
}
Console.WriteLine();
certs[0] = cp.ReadCertificate(crl.GetRawCertData());
if (certs[0] == null)
{
return false;
}
return true;
}
public void signPDF(FileInfo file)
{
byte[] signature;
byte[] content;
byte[] hash;
FileStream outFile;
PdfReader reader;
PdfStamper stmp;
PdfSignatureAppearance vis_sign;
HashAlgorithm hashFunct = new SHA1CryptoServiceProvider();
PdfDictionary dict;
Hashtable excl = new Hashtable();
excl.Add(PdfName.CONTENTS, 48 * 2 + 2);
reader = new PdfReader(file.FullName);
outFile = File.Create(file.DirectoryName + "/" + file.Name + "_signed.pdf");
//new FileStream(file.DirectoryName + file.Name + "signed.pdf",
FileAccess.Write);
stmp = PdfStamper.CreateSignature(reader, outFile, '\0');
vis_sign = stmp.SignatureAppearance;
vis_sign.SetCrypto(null, certs, null, PdfSignatureAppearance.WINCER_SIGNED);
vis_sign.Reason = "fact4web.com PDF Signatur";
vis_sign.Location = "Austria";
vis_sign.SignDate = DateTime.Now;
vis_sign.SetExternalDigest(new byte[48], null, "RSA");
vis_sign.Render = PdfSignatureAppearance.SignatureRender.NameAndDescription;
vis_sign.Acro6Layers = true;
PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKMS,
PdfName.ADBE_PKCS7_SHA1);
dic.Date = new PdfDate(vis_sign.SignDate);
dic.Name = PdfPKCS7.GetSubjectFields(certs[0]).GetField("CN");
if (vis_sign.Reason != null)
dic.Reason = vis_sign.Reason;
if (vis_sign.Location != null)
dic.Location = vis_sign.Location;
vis_sign.CryptoDictionary = dic;
int csize = 4000;
Hashtable exc = new Hashtable();
exc[PdfName.CONTENTS] = csize * 2 + 2;
vis_sign.PreClose(excl);
content = streamToByteArray(vis_sign.RangeStream);
hash = hashFunct.ComputeHash(content);
unsafe
{
fixed (byte* pinPtr = pinArray)
{
fixed (byte* hashPtr = hash)
{
//IntPtr ptrPin = (IntPtr)pinPtr;
//IntPtr ptrHash = (IntPtr)hashPtr;
byte* sigPtr = msig.signDocument(pinPtr, hashPtr);
int i = 0;
signature = new byte[50];
while (sigPtr[i] != '\0')
{
signature[i] = sigPtr[i];
i++;
}
//signature = sigPtr;
}
}
}
byte[] sig = new byte[signature.Length-2];
for (int i = 0; i < hash.Length; i++)
{
Console.Write(hash[i].ToString("X2"));
Console.Write(" ");
}
dict = new PdfDictionary();
Array.Copy(signature, 0, sig, 0, signature.Length-2);
dict.Put(PdfName.CONTENTS, new PdfString(sig).SetHexWriting(true));
vis_sign.Close(dict);
}
private byte[] streamToByteArray(Stream stream)
{
MemoryStream byteArray = new MemoryStream();
if (stream != null)
{
byte[] buffer = new byte[1024];
int c = stream.Read(buffer, 0, buffer.Length);
while (c > 0)
{
byteArray.Write(buffer, 0, c);
c = stream.Read(buffer, 0, 1024);
}
byteArray.Flush();
}
return byteArray.ToArray();
}
private byte charToHex(char c)
{
byte hex;
switch (c)
{
case '0':
hex = 0x30;
break;
case '1':
hex = 0x31;
break;
case '2':
hex = 0x32;
break;
case '3':
hex = 0x33;
break;
case '4':
hex = 0x34;
break;
case '5':
hex = 0x35;
break;
case '6':
hex = 0x36;
break;
case '7':
hex = 0x37;
break;
case '8':
hex = 0x38;
break;
case '9':
hex = 0x39;
break;
default:
hex = 0x00;
break;
}
return hex;
}
private System.Security.Cryptography.X509Certificates.X509Certificate2 getCert()
{
System.Security.Cryptography.X509Certificates.X509Store st = new
System.Security.Cryptography.X509Certificates.X509Store(System.Security.Cryptography.X509Certificates.StoreName.My,
System.Security.Cryptography.X509Certificates.StoreLocation.CurrentUser);
st.Open(System.Security.Cryptography.X509Certificates.OpenFlags.ReadOnly);
System.Security.Cryptography.X509Certificates.X509Certificate2Collection col =
st.Certificates;
System.Security.Cryptography.X509Certificates.X509Certificate2 card = null;
System.Security.Cryptography.X509Certificates.X509Certificate2Collection sel =
System.Security.Cryptography.X509Certificates.X509Certificate2UI.SelectFromCollection(col,
"Certificates", "Select one to sign",
System.Security.Cryptography.X509Certificates.X509SelectionFlag.SingleSelection);
if (sel.Count > 0)
{
System.Security.Cryptography.X509Certificates.X509Certificate2Enumerator en =
sel.GetEnumerator();
en.MoveNext();
card = en.Current;
}
st.Close();
return card;
}
}
}
-------------------------------------------------------------------------
SF.Net email is sponsored by:
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services
for just about anything Open Source.
http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace_______________________________________________
iText-questions mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/itext-questions
Buy the iText book: http://itext.ugent.be/itext-in-action/
---------------------------------
Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now.-------------------------------------------------------------------------
SF.Net email is sponsored by:
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services
for just about anything Open Source.
http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace
_______________________________________________
iText-questions mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/itext-questions
Buy the iText book: http://itext.ugent.be/itext-in-action/
