static byte[] GetCertificateChainOCSP(X509Certificate[] certificateChain)
{
byte[] ocsp = null;
if (certificateChain.Length >= 2)
{
String url = PdfPKCS7.GetOCSPURL(certificateChain[0]);
if (url != null && url.Length > 0)
{
ocsp = new OcspClientBouncyCastle(certificateChain[0], certificateChain[1], url).GetEncoded();
}
}
return(ocsp);
}
public void Sign(PDFSignatureAP sigAP, bool encrypt, PDFEncryption Enc)
{
PdfReader reader = new PdfReader(this.inputPDF);
FileStream fs = new FileStream(this.outputPDF, FileMode.Create, FileAccess.Write);
PdfStamper st;
if (this.myCert == null) //No signature just write meta-data and quit
{
st = new PdfStamper(reader, fs);
}
else
{
st = PdfStamper.CreateSignature(reader, fs, '\0', null, sigAP.Multi);
}
if (encrypt && Enc != null)
{
Enc.Encrypt(st);
}
//st.SetEncryption(PdfWriter.STRENGTH128BITS, "user", "owner", PdfWriter.ALLOW_COPY);
st.MoreInfo = this.metadata.getMetaData();
st.XmpMetadata = this.metadata.getStreamedMetaData();
if (this.myCert == null) //No signature just write meta-data and quit
{
st.Close();
return;
}
PdfSignatureAppearance sap = st.SignatureAppearance;
//sap.SetCrypto(this.myCert.Akp, this.myCert.Chain, null, PdfSignatureAppearance.WINCER_SIGNED);
sap.SetCrypto(null, this.myCert.Chain, null, PdfSignatureAppearance.SELF_SIGNED);
sap.Reason = sigAP.SigReason;
sap.Contact = sigAP.SigContact;
sap.Location = sigAP.SigLocation;
if (sigAP.Visible)
{
iTextSharp.text.Rectangle rect = st.Reader.GetPageSize(sigAP.Page);
sap.Image = sigAP.RawData == null ? null : iTextSharp.text.Image.GetInstance(sigAP.RawData);
sap.Layer2Text = sigAP.CustomText;
sap.SetVisibleSignature(new iTextSharp.text.Rectangle(sigAP.SigX, sigAP.SigY, sigAP.SigX + sigAP.SigW, sigAP.SigY + sigAP.SigH), sigAP.Page, null);
}
/////
PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("adbe.pkcs7.detached"));
dic.Reason = sap.Reason;
dic.Location = sap.Location;
dic.Contact = sap.Contact;
dic.Date = new PdfDate(sap.SignDate);
sap.CryptoDictionary = dic;
int contentEstimated = 15000;
// Preallocate excluded byte-range for the signature content (hex encoded)
Dictionary <PdfName, int> exc = new Dictionary <PdfName, int>();
exc[PdfName.CONTENTS] = contentEstimated * 2 + 2;
sap.PreClose(exc);
PdfPKCS7 sgn = new PdfPKCS7(this.myCert.Akp, this.myCert.Chain, null, "SHA1", false);
IDigest messageDigest = DigestUtilities.GetDigest("SHA1");
Stream data = sap.GetRangeStream();
byte[] buf = new byte[8192];
int n;
while ((n = data.Read(buf, 0, buf.Length)) > 0)
{
messageDigest.BlockUpdate(buf, 0, n);
}
byte[] hash = new byte[messageDigest.GetDigestSize()];
messageDigest.DoFinal(hash, 0);
DateTime cal = DateTime.Now;
byte[] ocsp = null;
if (this.myCert.Chain.Length >= 2)
{
String url = PdfPKCS7.GetOCSPURL(this.myCert.Chain[0]);
if (url != null && url.Length > 0)
{
ocsp = new OcspClientBouncyCastle().GetEncoded(this.myCert.Chain[0], this.myCert.Chain[1], url);
}
}
byte[] sh = sgn.GetAuthenticatedAttributeBytes(hash, cal, ocsp);
sgn.Update(sh, 0, sh.Length);
byte[] paddedSig = new byte[contentEstimated];
if (this.myCert.Tsc != null)
{
byte[] encodedSigTsa = sgn.GetEncodedPKCS7(hash, cal, this.myCert.Tsc, ocsp);
System.Array.Copy(encodedSigTsa, 0, paddedSig, 0, encodedSigTsa.Length);
if (contentEstimated + 2 < encodedSigTsa.Length)
{
throw new Exception("Not enough space for signature");
}
}
else
{
byte[] encodedSig = sgn.GetEncodedPKCS7(hash, cal);
System.Array.Copy(encodedSig, 0, paddedSig, 0, encodedSig.Length);
if (contentEstimated + 2 < encodedSig.Length)
{
throw new Exception("Not enough space for signature");
}
}
PdfDictionary dic2 = new PdfDictionary();
dic2.Put(PdfName.CONTENTS, new PdfString(paddedSig).SetHexWriting(true));
sap.Close(dic2);
//////
//st.Close();
}
private static void DoSignPdfFile(PdfStamper stamper, ConversionProfile profile, JobPasswords jobPasswords)
{
var signing = profile.PdfSettings.Signature;
if (!signing.Enabled) //Leave without signing
{
return;
}
Logger.Debug("Start signing file.");
signing.CertificateFile = Path.GetFullPath(signing.CertificateFile);
if (string.IsNullOrEmpty(jobPasswords.PdfSignaturePassword))
{
Logger.Error("Launched signing without certification password.");
throw new ProcessingException("Launched signing without certification password.", 12204);
}
if (IsValidCertificatePassword(signing.CertificateFile, jobPasswords.PdfSignaturePassword) == false)
{
Logger.Error("Canceled signing. The password for certificate '" + signing.CertificateFile +
"' is wrong.");
throw new ProcessingException(
"Canceled signing. The password for certificate '" + signing.CertificateFile + "' is wrong.",
12200);
}
if (CertificateHasPrivateKey(signing.CertificateFile, jobPasswords.PdfSignaturePassword) == false)
{
Logger.Error("Canceled signing. The certificate '" + signing.CertificateFile + "' has no private key.");
throw new ProcessingException(
"Canceled signing. The certificate '" + signing.CertificateFile + "' has no private key.", 12201);
}
var fsCert = new FileStream(signing.CertificateFile, FileMode.Open);
var ks = new Pkcs12Store(fsCert, jobPasswords.PdfSignaturePassword.ToCharArray());
string alias = null;
foreach (string al in ks.Aliases)
{
if (ks.IsKeyEntry(al) && ks.GetKey(al).Key.IsPrivate)
{
alias = al;
break;
}
}
fsCert.Close();
ICipherParameters pk = ks.GetKey(alias).Key;
var x = ks.GetCertificateChain(alias);
var chain = new X509Certificate[x.Length];
for (var k = 0; k < x.Length; ++k)
{
chain[k] = x[k].Certificate;
}
ITSAClient tsc = null;
if (!string.IsNullOrEmpty(signing.TimeServerUrl.Trim()))
{
if (!signing.TimeServerIsSecured)
{
tsc = new TSAClientBouncyCastle(signing.TimeServerUrl);
}
else
{
tsc = new TSAClientBouncyCastle(signing.TimeServerUrl, signing.TimeServerLoginName,
signing.TimeServerPassword);
}
}
var psa = stamper.SignatureAppearance;
if (tsc == null)
{
psa.SetCrypto(pk, chain, null, PdfSignatureAppearance.WINCER_SIGNED);
}
else
{
psa.SetCrypto(null, chain, null, PdfSignatureAppearance.SELF_SIGNED);
}
if (!profile.PdfSettings.Signature.AllowMultiSigning)
{
//Lock PDF, except for annotations and form filling (irrelevant for clawPDF)
psa.CertificationLevel = PdfSignatureAppearance.CERTIFIED_FORM_FILLING_AND_ANNOTATIONS;
}
psa.Reason = signing.SignReason;
psa.Contact = signing.SignContact;
psa.Location = signing.SignLocation;
if (signing.DisplaySignatureInDocument)
{
var signPage = SignPageNr(stamper, signing);
psa.SetVisibleSignature(new Rectangle(signing.LeftX, signing.LeftY, signing.RightX, signing.RightY),
signPage, null);
}
var dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("adbe.pkcs7.detached"));
dic.Reason = psa.Reason;
dic.Location = psa.Location;
dic.Contact = psa.Contact;
dic.Date = new PdfDate(psa.SignDate);
psa.CryptoDictionary = dic;
const int contentEstimated = 15000;
// Preallocate excluded byte-range for the signature content (hex encoded)
var exc = new Dictionary <PdfName, int>();
exc[PdfName.CONTENTS] = contentEstimated * 2 + 2;
psa.PreClose(exc);
const string hashAlgorithm = "SHA1"; //Always use HashAlgorithm "SHA1"
var sgn = new PdfPKCS7(pk, chain, null, hashAlgorithm, false);
var messageDigest = DigestUtilities.GetDigest(hashAlgorithm);
var data = psa.GetRangeStream();
var buf = new byte[8192];
int n;
while ((n = data.Read(buf, 0, buf.Length)) > 0)
{
messageDigest.BlockUpdate(buf, 0, n);
}
var hash = new byte[messageDigest.GetDigestSize()];
messageDigest.DoFinal(hash, 0);
byte[] ocsp = null;
if (chain.Length >= 2)
{
var url = PdfPKCS7.GetOCSPURL(chain[0]);
if (!string.IsNullOrEmpty(url))
{
ocsp = new OcspClientBouncyCastle().GetEncoded(chain[0], chain[1], url);
}
}
var cal = psa.SignDate;
var sh = sgn.GetAuthenticatedAttributeBytes(hash, cal, ocsp);
sgn.Update(sh, 0, sh.Length);
var paddedSig = new byte[contentEstimated];
if (tsc != null)
{
byte[] encodedSigTsa = null;
try
{
encodedSigTsa = sgn.GetEncodedPKCS7(hash, cal, tsc, ocsp);
Array.Copy(encodedSigTsa, 0, paddedSig, 0, encodedSigTsa.Length);
}
catch (Exception ex)
{
throw new ProcessingException(
ex.GetType() + " while connecting to timeserver (can't connect to timeserver): " + ex.Message,
12205);
}
if (contentEstimated + 2 < encodedSigTsa.Length)
{
throw new ProcessingException(
"Not enough space for signature", 12202);
}
}
else
{
var encodedSig = sgn.GetEncodedPKCS7(hash, cal);
Array.Copy(encodedSig, 0, paddedSig, 0, encodedSig.Length);
if (contentEstimated + 2 < encodedSig.Length)
{
throw new ProcessingException("Not enough space for signature", 12203);
}
}
var dic2 = new PdfDictionary();
dic2.Put(PdfName.CONTENTS, new PdfString(paddedSig).SetHexWriting(true));
psa.Close(dic2);
}
public void Sign(PDFSignatureAP sigAP, bool encrypt, PDFEncryption enc)
{
byte[] ownerPassword = null;
if (!string.IsNullOrEmpty(enc.OwnerPwd))
{
ownerPassword = DocWriter.GetISOBytes(enc.OwnerPwd);
}
PdfReader reader = new PdfReader(this.inputPDF, ownerPassword);
FileStream fs = new FileStream(this.outputPDF, FileMode.Create, FileAccess.Write);
PdfStamper st;
if (this.myCert == null) //No signature just write meta-data and quit
{
st = new PdfStamper(reader, fs);
}
else
{
st = PdfStamper.CreateSignature(reader, fs, '\0', null, sigAP.Multi);
}
if (encrypt && enc != null)
{
enc.Encrypt(st);
}
//st.SetEncryption(PdfWriter.STRENGTH128BITS, "user", "owner", PdfWriter.ALLOW_COPY);
st.MoreInfo = this.metadata.getMetaData();
st.XmpMetadata = this.metadata.getStreamedMetaData();
if (this.myCert == null) //No signature just write meta-data and quit
{
st.Close();
return;
}
PdfSignatureAppearance sap = st.SignatureAppearance;
//sap.SetCrypto(this.myCert.Akp, this.myCert.Chain, null, PdfSignatureAppearance.WINCER_SIGNED);
sap.SetCrypto(null, this.myCert.Chain, null, PdfSignatureAppearance.SELF_SIGNED);
sap.Reason = sigAP.SigReason;
sap.Contact = sigAP.SigContact;
sap.Location = sigAP.SigLocation;
if (sigAP.Visible)
{
iTextSharp.text.Rectangle rect = st.Reader.GetPageSize(sigAP.Page);
sap.Image = sigAP.RawData == null ? null : iTextSharp.text.Image.GetInstance(sigAP.RawData);
sap.Layer2Text = sigAP.CustomText;
sap.SetVisibleSignature(new iTextSharp.text.Rectangle(sigAP.SigX, sigAP.SigY, sigAP.SigX + sigAP.SigW, sigAP.SigY + sigAP.SigH), sigAP.Page, null);
}
// Remove yellow question mark (green check mark is still used though)
//sap.GetLayer(1);
// The first signature is a certification
//if (!sigAP.Multi)
//{
// //sap.CertificationLevel = PdfSignatureAppearance.CERTIFIED_NO_CHANGES_ALLOWED;
// sap.CertificationLevel = PdfSignatureAppearance.CERTIFIED_FORM_FILLING;
//}
PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("adbe.pkcs7.detached"));
dic.Reason = sap.Reason;
dic.Location = sap.Location;
dic.Contact = sap.Contact;
dic.Date = new PdfDate(sap.SignDate);
sap.CryptoDictionary = dic;
int contentEstimated = 15000;
// Preallocate excluded byte-range for the signature content (hex encoded)
Dictionary <PdfName, int> exc = new Dictionary <PdfName, int>();
exc[PdfName.CONTENTS] = contentEstimated * 2 + 2;
sap.PreClose(exc);
PdfPKCS7 sgn = new PdfPKCS7(this.myCert.Akp, this.myCert.Chain, null, "SHA-256", false);
IDigest messageDigest = DigestUtilities.GetDigest("SHA-256");
// change for itextsharp-all-5.2.1
Stream data = sap.GetRangeStream();
byte[] buf = new byte[8192];
int n;
while ((n = data.Read(buf, 0, buf.Length)) > 0)
{
messageDigest.BlockUpdate(buf, 0, n);
}
byte[] hash = new byte[messageDigest.GetDigestSize()];
messageDigest.DoFinal(hash, 0);
DateTime cal = DateTime.Now;
byte[] ocsp = null;
if (this.myCert.Chain.Length >= 2)
{
String url = PdfPKCS7.GetOCSPURL(this.myCert.Chain[0]);
if (url != null && url.Length > 0)
{
//ocsp = new OcspClientBouncyCastle(this.myCert.Chain[0], this.myCert.Chain[1], url).GetEncoded();
// change for itextsharp-all-5.2.1
ocsp = new OcspClientBouncyCastle().GetEncoded(this.myCert.Chain[0], this.myCert.Chain[1], url);
}
}
byte[] sh = sgn.GetAuthenticatedAttributeBytes(hash, cal, ocsp);
sgn.Update(sh, 0, sh.Length);
byte[] paddedSig = new byte[contentEstimated];
if (this.myCert.Tsc != null)
{
byte[] encodedSigTsa = sgn.GetEncodedPKCS7(hash, cal, this.myCert.Tsc, ocsp);
System.Array.Copy(encodedSigTsa, 0, paddedSig, 0, encodedSigTsa.Length);
if (contentEstimated + 2 < encodedSigTsa.Length)
{
throw new Exception("Not enough space for signature");
}
}
else
{
byte[] encodedSig = sgn.GetEncodedPKCS7(hash, cal);
System.Array.Copy(encodedSig, 0, paddedSig, 0, encodedSig.Length);
if (contentEstimated + 2 < encodedSig.Length)
{
throw new Exception("Not enough space for signature");
}
}
PdfDictionary dic2 = new PdfDictionary();
dic2.Put(PdfName.CONTENTS, new PdfString(paddedSig).SetHexWriting(true));
//// Lock all fields after signing (backport from iText 5.4.4) - wrong - doesn't work
//PdfDictionary lockDic = new PdfDictionary(new PdfName("SigFieldLock"));
//lockDic.Put(PdfName.ACTION, new PdfName("All"));
//lockDic.Put(PdfName.P, new PdfNumber(1));
//dic2.Put(PdfName.LOCK, lockDic);
sap.Close(dic2);
//st.Close();
}
private ActionResult SignPdfFile(PdfStamper stamper, IJob job)
{
Signing s = job.Profile.PdfSettings.Signing;
//Leave without signing //WEG!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if (!s.Enable)
{
if (stamper != null)
{
stamper.Close();
return(new ActionResult());
}
Logger.Error("Could not create Stamper for Encryption, without Signing");
return(new ActionResult(ActionId, 104));
}
//Continue for Signing
s.CertificationFile = Path.GetFullPath(s.CertificationFile);
if (IsValidCertificatePassword(s.CertificationFile, job.Passwords.PdfSignaturePassword) == false)
{
Logger.Error("Canceled signing. The password for certificate '" + s.CertificationFile + "' is wrong.");
stamper.Close();
return(new ActionResult(ActionId, 105));
}
if (CertificateHasPrivateKey(s.CertificationFile, job.Passwords.PdfSignaturePassword) == false)
{
Logger.Error("Canceled signing. The certificate '" + s.CertificationFile + "' has no private key.");
stamper.Close();
return(new ActionResult(ActionId, 106));
}
var fsCert = new FileStream(s.CertificationFile, FileMode.Open);
var ks = new Pkcs12Store(fsCert, job.Passwords.PdfSignaturePassword.ToCharArray());
string alias = null;
foreach (string al in ks.Aliases)
{
if (ks.IsKeyEntry(al) && ks.GetKey(al).Key.IsPrivate)
{
alias = al;
break;
}
}
fsCert.Close();
ICipherParameters pk = ks.GetKey(alias).Key;
X509CertificateEntry[] x = ks.GetCertificateChain(alias);
var chain = new X509Certificate[x.Length];
for (int k = 0; k < x.Length; ++k)
{
chain[k] = x[k].Certificate;
}
ITSAClient tsc = null;
if (s.TimeServerUrl.Trim() != "") //Timeserver with LogIn?
{
tsc = new TSAClientBouncyCastle(s.TimeServerUrl /*, TimeServerLogonName, TimeServerLogonPassword*/);
}
PdfSignatureAppearance sap = stamper.SignatureAppearance;
if (tsc == null)
{
sap.SetCrypto(pk, chain, null, PdfSignatureAppearance.WINCER_SIGNED);
}
else
{
sap.SetCrypto(null, chain, null, PdfSignatureAppearance.SELF_SIGNED);
}
sap.Reason = s.SignReason;
sap.Contact = s.SignContact;
sap.Location = s.SignLocation;
if (s.DisplaySignatureInPdf)
{
int signPage = SignPageNr(job);
sap.SetVisibleSignature(new Rectangle(s.LeftX, s.LeftY, s.RightX, s.RightY),
signPage, null);
}
var dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("adbe.pkcs7.detached"));
dic.Reason = sap.Reason;
dic.Location = sap.Location;
dic.Contact = sap.Contact;
dic.Date = new PdfDate(sap.SignDate);
sap.CryptoDictionary = dic;
const int contentEstimated = 15000;
// Preallocate excluded byte-range for the signature content (hex encoded)
var exc = new Dictionary <PdfName, int>();
exc[PdfName.CONTENTS] = contentEstimated * 2 + 2;
sap.PreClose(exc);
const string hashAlgorithm = "SHA1"; //Always use HashAlgorithm "SHA1"
var sgn = new PdfPKCS7(pk, chain, null, hashAlgorithm, false);
IDigest messageDigest = DigestUtilities.GetDigest(hashAlgorithm);
Stream data = sap.GetRangeStream();
var buf = new byte[8192];
int n;
while ((n = data.Read(buf, 0, buf.Length)) > 0)
{
messageDigest.BlockUpdate(buf, 0, n);
}
var hash = new byte[messageDigest.GetDigestSize()];
messageDigest.DoFinal(hash, 0);
byte[] ocsp = null;
if (chain.Length >= 2)
{
String url = PdfPKCS7.GetOCSPURL(chain[0]);
if (!string.IsNullOrEmpty(url))
{
ocsp = new OcspClientBouncyCastle().GetEncoded(chain[0], chain[1], url);
}
}
DateTime cal = sap.SignDate;
byte[] sh = sgn.GetAuthenticatedAttributeBytes(hash, cal, ocsp);
sgn.Update(sh, 0, sh.Length);
var paddedSig = new byte[contentEstimated];
if (tsc != null)
{
byte[] encodedSigTsa = sgn.GetEncodedPKCS7(hash, cal, tsc, ocsp);
Array.Copy(encodedSigTsa, 0, paddedSig, 0, encodedSigTsa.Length);
if (contentEstimated + 2 < encodedSigTsa.Length)
{
Logger.Error("Not enough space for signature");
return(new ActionResult(ActionId, 107));
}
}
else
{
byte[] encodedSig = sgn.GetEncodedPKCS7(hash, cal);
Array.Copy(encodedSig, 0, paddedSig, 0, encodedSig.Length);
if (contentEstimated + 2 < encodedSig.Length)
{
Logger.Error("Not enough space for signature");
return(new ActionResult(ActionId, 107));
}
}
var dic2 = new PdfDictionary();
dic2.Put(PdfName.CONTENTS, new PdfString(paddedSig).SetHexWriting(true));
sap.Close(dic2);
return(new ActionResult());
}
private MemoryStream Assinar2(MemoryStream ArquivoOrigem, X509Certificate2 cert, ref byte[] pkcs7)
{
this.card = cert;
X509CertificateParser x509CertificateParser = new X509CertificateParser();
Org.BouncyCastle.X509.X509Certificate[] array = new Org.BouncyCastle.X509.X509Certificate[]
{
x509CertificateParser.ReadCertificate(this.card.RawData)
};
PdfReader reader = new PdfReader(ArquivoOrigem);
MemoryStream memoryStream = new MemoryStream();
PdfStamper pdfStamper = PdfStamper.CreateSignature(reader, memoryStream, '\0', null, true);
PdfSignatureAppearance signatureAppearance = pdfStamper.SignatureAppearance;
signatureAppearance.SetCrypto(null, array, null, PdfSignatureAppearance.SELF_SIGNED);
signatureAppearance.Reason = this.proposito;
signatureAppearance.Contact = this.contato;
signatureAppearance.Location = this.localizacao;
signatureAppearance.CryptoDictionary = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("adbe.pkcs7.detached"))
{
Reason = signatureAppearance.Reason,
Location = signatureAppearance.Location,
Contact = signatureAppearance.Contact,
Date = new PdfDate(signatureAppearance.SignDate)
};
int num = 15000;
Dictionary <PdfName, int> dictionary = new Dictionary <PdfName, int>();
dictionary[PdfName.CONTENTS] = num * 2 + 2;
signatureAppearance.PreClose(dictionary);
//PdfPKCS7 pdfPKCS = new PdfPKCS7(null, array, null, "SHA1", false);
PdfPKCS7 pdfPKCS = new PdfPKCS7(null, array, null, "MD5", false);
IDigest digest = DigestUtilities.GetDigest("MD5");
Stream rangeStream = signatureAppearance.GetRangeStream();
byte[] array2 = new byte[8192];
int length;
while ((length = rangeStream.Read(array2, 0, array2.Length)) > 0)
{
digest.BlockUpdate(array2, 0, length);
}
byte[] array3 = new byte[digest.GetDigestSize()];
digest.DoFinal(array3, 0);
DateTime now = DateTime.Now;
byte[] ocsp = null;
if (array.Length >= 2)
{
string oCSPURL = PdfPKCS7.GetOCSPURL(array[0]);
if (oCSPURL != null && oCSPURL.Length > 0)
{
ocsp = new OcspClientBouncyCastle().GetEncoded(array[0], array[1], oCSPURL);
}
}
byte[] authenticatedAttributeBytes = pdfPKCS.GetAuthenticatedAttributeBytes(array3, now, ocsp);
byte[] digest2 = Assinar.SignSHA1withRSA(this.card, authenticatedAttributeBytes);
pdfPKCS.SetExternalDigest(digest2, array3, "RSA");
byte[] array4 = new byte[num];
byte[] encodedPKCS = pdfPKCS.GetEncodedPKCS7(array3, now, null, ocsp);
pkcs7 = encodedPKCS;
Array.Copy(encodedPKCS, 0, array4, 0, encodedPKCS.Length);
if (num + 2 < encodedPKCS.Length)
{
throw new ApplicationException("Não há espaço suficiente para assinatura.");
}
PdfDictionary pdfDictionary = new PdfDictionary();
pdfDictionary.Put(PdfName.CONTENTS, new PdfString(array4).SetHexWriting(true));
signatureAppearance.Close(pdfDictionary);
//pdfStamper.
return(memoryStream);
}
public void Button3Click(object sender, System.EventArgs e)
{
if (inputBox.Text != null)
{
string filePDF = inputBox.Text;
try
{
X509Certificate2 card = GetCertificate();
Org.BouncyCastle.X509.X509CertificateParser cp = new Org.BouncyCastle.X509.X509CertificateParser();
Org.BouncyCastle.X509.X509Certificate[] chain = new Org.BouncyCastle.X509.X509Certificate[] { cp.ReadCertificate(card.RawData) };
//ricreo il percorso con il nome del novo file
string file = filePDF.Substring(1 + filePDF.LastIndexOf(@"\")).ToLowerInvariant();
string NuovoFile = filePDF.Substring(0, filePDF.LastIndexOf(@"\") + 1) + file.Substring(0, file.LastIndexOf(".")) + "_firmato.pdf".ToLowerInvariant();
PdfReader reader = new PdfReader(filePDF);
PdfStamper stp = PdfStamper.CreateSignature(reader, new FileStream(NuovoFile, FileMode.Create), '\0', null, multiSigChkBx.Checked);
PdfSignatureAppearance sap = stp.SignatureAppearance;
if (tsaCbx.Checked)
{
ITSAClient tsc = new TSAClientBouncyCastle(TSAUrlTextBox.Text, tsaLogin.Text, tsaPwd.Text);
}
if (SigVisible.Checked)
{
sap.Reason = cbRagioneSingolo.Text;
sap.Contact = Contacttext.Text;
sap.Location = Locationtext.Text;
if (sigImgBox.Image != null)
{
MemoryStream ms = new MemoryStream();
sigImgBox.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
sap.Image = ms.ToArray() == null ? null : iTextSharp.text.Image.GetInstance(ms.ToArray());
ms.Close();
}
sap.SetVisibleSignature(new iTextSharp.text.Rectangle((float)sigPosX.Value,
(float)sigPosY.Value,
(float)sigPosX.Value + (float)sigWidth.Value,
(float)sigPosY.Value + (float)sigHeight.Value),
Convert.ToInt32(numberOfPagesUpDown.Value),
null);
}
sap.SignDate = DateTime.Now;
sap.SetCrypto(null, chain, null, null);
sap.Acro6Layers = true;
sap.Render = PdfSignatureAppearance.SignatureRender.Description; //.NameAndDescription;
PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, PdfName.ADBE_PKCS7_DETACHED);
dic.Date = new PdfDate(sap.SignDate);
dic.Name = PdfPKCS7.GetSubjectFields(chain[0]).GetField("CN");
if (sap.Reason != null)
{
dic.Reason = sap.Reason;
}
if (sap.Location != null)
{
dic.Location = sap.Location;
}
if (sap.Contact != null)
{
dic.Contact = sap.Contact;
}
sap.CryptoDictionary = dic;
int contentEstimated = 15000;
Dictionary <PdfName, int> exc = new Dictionary <PdfName, int>();
exc[PdfName.CONTENTS] = contentEstimated * 2 + 2;
sap.PreClose(exc);
IDigest messageDigest = DigestUtilities.GetDigest("SHA256"); //add
Stream s = sap.GetRangeStream();
MemoryStream ss = new MemoryStream();
int read = 0;
byte[] buff = new byte[8192];
while ((read = s.Read(buff, 0, 8192)) > 0)
{
ss.Write(buff, 0, read);
messageDigest.BlockUpdate(buff, 0, read); //add
}
//--------------------------------------------
byte[] hash = new byte[messageDigest.GetDigestSize()];
messageDigest.DoFinal(hash, 0);
DateTime cal = DateTime.Now;
byte[] ocsp = null;
if (chain.Length >= 2)
{
String url = PdfPKCS7.GetOCSPURL(chain[0]);
if (url != null && url.Length > 0)
{
ocsp = new OcspClientBouncyCastle().GetEncoded(chain[0], chain[1], url);
MessageBox.Show(ocsp.ToString());
}
}
//-------------------------------------------------------------------
//TEST TIMESTAMP CON BOUNCYCASTLE
//-------------------------------------------------------------------
/*
* TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator();
* // Dummy request
* TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, hash, BigInteger.ValueOf(100));
* byte[] reqData = request.GetEncoded();
* HttpWebRequest httpReq = (HttpWebRequest) WebRequest.Create("http://localhost:8080/signserver/process?workerId=1");
* httpReq.Method = "POST";
* httpReq.ContentType = "application/timestamp-query";
* httpReq.ContentLength = reqData.Length;
* // Write the request content
* Stream reqStream = httpReq.GetRequestStream();
* reqStream.Write(reqData, 0, reqData.Length);
* reqStream.Close();
* HttpWebResponse httpResp = (HttpWebResponse) httpReq.GetResponse();
* // Read the response
* Stream respStream = new BufferedStream(httpResp.GetResponseStream());
* TimeStampResponse response = new TimeStampResponse(respStream);
* respStream.Close();
* //MessageBox.Show(response.TimeStampToken.TimeStampInfo.GenTime.ToString());
*/
//-------------------------------------------------------------------
//TEST TIMESTAMP CON BOUNCYCASTLE
//-------------------------------------------------------------------
//===================================QUI FIRMO
byte[] pk;
if (tsaCbx.Checked)
{
pk = SignMsg(ss.ToArray(), card, true, tsaCbx.Checked, TSAUrlTextBox.Text, tsaLogin.Text, tsaPwd.Text);
}
else
{
pk = SignMsg(ss.ToArray(), card, true, tsaCbx.Checked, "", "", "");
}
//--------------------------------------------
byte[] outc = new byte[contentEstimated];
PdfDictionary dic2 = new PdfDictionary();
Array.Copy(pk, 0, outc, 0, pk.Length);
dic2.Put(PdfName.CONTENTS, new PdfString(outc).SetHexWriting(true));
sap.Close(dic2);
MessageBox.Show("File firmato correttamente", "Operazione Completata");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
