public string Execute(string pdfMontado)
{
var singInfo = new SingInfo();
var diretorio = Path.GetDirectoryName(pdfMontado);
var fileName = Path.GetFileNameWithoutExtension(pdfMontado);
singInfo.SourcePdf = pdfMontado;
singInfo.TargetPdf = Path.Combine(diretorio, fileName + "-ass.pdf");
singInfo.Author = "author da assinatura";
singInfo.Creator = "quem criou";
singInfo.Keywords = "palavras-chave";
singInfo.Producer = "quem produziu";
singInfo.SignatureContact = "contato";
singInfo.SignatureLocation = "endereco";
singInfo.SignatureReason = "motivo";
singInfo.Subject = "assunto";
singInfo.Title = "titulo";
try
{
this.pdfSigner.Execute(singInfo);
return(singInfo.TargetPdf);
}
catch (Exception exception)
{
Log.Application.Error(exception);
return(singInfo.SourcePdf);
}
}
public string Execute(SingInfo singInfo)
{
var certificate = this.certificadoA3.Obter();
this.cadeiaTempo = this.certificadoA3.CadeiaCertificadoTempo();
this.MontarEstruturaCertificacao(certificate);
var pdfAux = Path.Combine(
Path.GetDirectoryName(singInfo.SourcePdf),
Path.GetFileNameWithoutExtension(singInfo.SourcePdf) + "-aux.pdf");
using (var reader = new PdfReader(singInfo.SourcePdf))
{
using (var os = new FileStream(pdfAux, FileMode.Create))
{
var stamper = PdfAStamper.CreateSignature(reader, os, '\0', PdfAConformanceLevel.PDF_A_2A);
var appearance = stamper.SignatureAppearance;
var caminhoFonte2 = @"C:\Windows\Fonts\cour.ttf";
appearance.Layer2Font = FontFactory.GetFont(caminhoFonte2, BaseFont.WINANSI, BaseFont.EMBEDDED, 8);
appearance.Reason = singInfo.SignatureReason;
appearance.Contact = singInfo.SignatureContact;
appearance.Location = singInfo.SignatureLocation;
appearance.SignatureRenderingMode = PdfSignatureAppearance.RenderingMode.DESCRIPTION;
var pks = new X509Certificate2Signature(certificate, DigestAlgorithms.SHA256);
MakeSignature.SignDetached(
appearance,
pks,
this.chain,
this.crlList,
this.ocspClient,
this.tsaClient,
EstimatedSize,
CryptoStandard.CMS);
}
}
using (var reader = new PdfReader(pdfAux))
{
using (var os = new FileStream(singInfo.TargetPdf, FileMode.Create))
{
var stamper = PdfStamper.CreateSignature(reader, os, '\0', null, true);
var appearance = stamper.SignatureAppearance;
this.AdicionarLtv(stamper, appearance);
}
}
this.RemoverArquivoTemporario(pdfAux);
return(singInfo.TargetPdf);
}
public void Sign(SingInfo singInfo)
{
try
{
var metaData = new MetaData
{
Author = singInfo.Author,
Title = singInfo.Title,
Subject = singInfo.Subject,
Keywords = singInfo.Keywords,
Creator = singInfo.Creator,
Producer = singInfo.Producer
};
var store = new X509Store(StoreLocation.CurrentUser);
store.Open(OpenFlags.ReadOnly);
if (store.Certificates.Count == 0)
{
Log.Application.Error("Certificados Locais do usuario indisponiveis.");
}
var posicaoCertificado = 0;
var cert = store.Certificates[posicaoCertificado];
Log.Application.InfoFormat(
"Certificado Selecionado {0} Serial {1} Subject {2}",
cert.IssuerName.Name,
cert.SerialNumber,
cert.SubjectName);
var cp = new Org.BouncyCastle.X509.X509CertificateParser();
var chain = new[]
{
cp.ReadCertificate(cert.RawData)
};
IExternalSignature externalSignature = new X509Certificate2Signature(cert, "SHA-1");
var rsa = (RSACryptoServiceProvider)cert.PrivateKey;
var secureString = new SecureString();
secureString.AppendChar(char.Parse("1"));
secureString.AppendChar(char.Parse("2"));
secureString.AppendChar(char.Parse("3"));
secureString.AppendChar(char.Parse("4"));
var cspp = new CspParameters();
cspp.KeyContainerName = rsa.CspKeyContainerInfo.KeyContainerName;
cspp.ProviderName = rsa.CspKeyContainerInfo.ProviderName;
cspp.Flags = CspProviderFlags.UseUserProtectedKey;
cspp.KeyPassword = secureString;
cspp.ProviderType = rsa.CspKeyContainerInfo.ProviderType;
cspp.Flags = CspProviderFlags.NoPrompt;
RSACryptoServiceProvider rsa2 = new RSACryptoServiceProvider(cspp);
rsa.PersistKeyInCsp = true;
PdfReader reader = new PdfReader(singInfo.SourcePdf);
PdfAStamper stamper = PdfAStamper.CreateSignature(
reader,
new FileStream(singInfo.TargetPdf, FileMode.Create, FileAccess.Write),
'\0',
PdfAConformanceLevel.PDF_A_2A);
PdfSignatureAppearance appearance = stamper.SignatureAppearance;
var caminhoFonte2 = @"C:\Windows\Fonts\cour.ttf";
var caminhoGrafico = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources", "key.jpg");
appearance.Layer2Font = FontFactory.GetFont(caminhoFonte2, BaseFont.WINANSI, BaseFont.EMBEDDED, 8);
appearance.Reason = singInfo.SignatureReason;
appearance.Contact = singInfo.SignatureContact;
appearance.Location = singInfo.SignatureLocation;
appearance.SignatureRenderingMode = PdfSignatureAppearance.RenderingMode.DESCRIPTION;
appearance.CertificationLevel = PdfSignatureAppearance.CERTIFIED_NO_CHANGES_ALLOWED;
appearance.SetVisibleSignature(new iTextSharp.text.Rectangle(600, 100, 0, 0), 1, "Assinatura");
MakeSignature.SignDetached(appearance, externalSignature, chain, null, null, null, 0, CryptoStandard.CMS);
stamper.Close();
}
catch (Exception exception)
{
Log.Application.Error("Falha ao assinar! ", exception);
throw;
}
}
