public IActionResult VerificarFirmaElectronica(VerificarFirmaElectronicaViewModel viewModel)
{
if (viewModel.Archivo.Length > 0)
{
try
{
using (var fileStream = viewModel.Archivo.OpenReadStream())
using (var ms = new MemoryStream())
using (var firmaStream = viewModel.ArchivoFirmaElectronica.OpenReadStream())
using (var msFirma = new MemoryStream())
{
fileStream.CopyTo(ms);
var fileBytes = ms.ToArray();
firmaStream.CopyTo(msFirma);
var firmaBytes = msFirma.ToArray();
//string s = Convert.ToBase64String(fileBytes);
Dictionary <string, byte[]> archivos = CompressionHelper.UnCompressZip(firmaBytes);
var certificate = new X509Certificate2(archivos["certificado.crt"]);
var publicKey = certificate.GetPublicKey().Reverse <byte>().ToArray();
Punto publicKeyPoint = new Punto(publicKey);
var hex = publicKeyPoint.GetUncompressedByteArray().ToHexString();
var result = LibreriaCriptografica.FirmaElectronica.VerificarFirmaElectronica(publicKeyPoint, fileBytes, archivos["firma.bin"].Reverse <byte>().ToArray());
var commonName = certificate.GetNameInfo(X509NameType.SimpleName, false);
//var organizationArea = certificate.GetNameInfo(X509NameType., false);
var subjectViewModel = new CertificateSubjectViewModel();
var subjects = certificate.Subject.Split(',');
foreach (var subject in subjects)
{
var elements = subject.Split('=');
switch (elements[0].TrimStart(' ').TrimEnd(' '))
{
case "CN": subjectViewModel.CN = elements[1].TrimStart(' ').TrimEnd(' '); break;
case "OU": subjectViewModel.OU = elements[1].TrimStart(' ').TrimEnd(' '); break;
case "O": subjectViewModel.O = elements[1].TrimStart(' ').TrimEnd(' '); break;
case "S": subjectViewModel.S = elements[1].TrimStart(' ').TrimEnd(' '); break;
case "C": subjectViewModel.C = elements[1].TrimStart(' ').TrimEnd(' '); break;
}
}
return(Ok(new VerificarFirmaElectronicaResultViewModel()
{
Result = result,
Subject = subjectViewModel,
FileName = viewModel.Archivo.FileName,
FileSize = viewModel.Archivo.Length,
FileHash = LibreriaCriptografica.FirmaElectronica.ObtenerHash(fileBytes).ToHexString()
}));
//return File(firmaByteArray, "application/x-msdownload", fileName);
}
}
catch (System.IO.InvalidDataException e)
{
return(Ok(new Response(false, "Hubo un error")));
}
catch (Exception e) {
}
}
return(null);
}
