static void TestSignAndVerifyPDF()
{
bool TestSign = true;
bool TestVerify = true;
string input = @"test1.pdf";
string output = @"test1.signed.pdf";
if (TestSign)
{
X509Certificate2Collection keyStore = new X509Certificate2Collection();
X509Store store = new X509Store(StoreName.My, StoreLocation.CurrentUser);
store.Open(OpenFlags.ReadOnly);
keyStore.AddRange(store.Certificates);
store.Close();
//Chung thu so nguoi ky
X509Certificate2 cert = null;
//[1] Chon chung thu so
Console.WriteLine("Chon chung thu so ky");
try
{
cert = X509Certificate2UI.SelectFromCollection(keyStore, "Chứng thư số ký", "Chọn chứng thư số ký", X509SelectionFlag.SingleSelection)[0];
Console.WriteLine(cert.Subject);
}
catch { }
if (cert == null)
{
Console.WriteLine("Chua chon chung thu so ky");
return;
}
//[3] Ky so
PdfSigner pdf = new PdfSigner(input, output, cert);
pdf.Location = "Hà Nội";
//Hiển thị chữ ký trên tài liệu dạng thông tin miêu tả
pdf.SignatureAppearance = PdfSignatureAppearance.RenderingMode.DESCRIPTION;
//Hiển thị chữ ký trên tài liệu dạng thông tin miêu tả và hình ảnh
//pdf.SignatureAppearance = PdfSignatureAppearance.RenderingMode.GraphicAndDescription;
//pdf.SignatureImage = (Bitmap)image;
pdf.TsaUrl = "http://ca.gov.vn/tsa";
try
{
pdf.Sign(1, 0, 0, 250, 50, 0); //iPage: trang; llx: toa do X, lly: Toa do y; iWidth: rong; iHeight: cao
Console.WriteLine("Ky so thanh cong!");
}
catch (Exception ex)
{
Console.WriteLine("Loi: " + ex.Message);
return;
}
}
if (TestVerify)
{
//[4] Xac thuc
PdfVerifier verifier = new PdfVerifier(output);
verifier.AllowedOnlineChecking = true;
List <SignatureInfo> list = verifier.Verify();
if (list.Count <= 0)
{
Console.WriteLine("Van ban chua duoc ky so!");
}
else
{
foreach (SignatureInfo info in list)
{
string str = string.Empty;
string str2 = string.Empty;
CertInfo info2 = null;
bool flag = false;
bool flag2 = false;
try
{
info2 = new CertInfo(info.SigningCertificate);
str = info2.ToString();
}
catch
{
str = "N/A";
}
string str3 = string.Format("{0}: Ky boi {1}", info.SignatureName, str);
Console.WriteLine(str3);
Console.WriteLine("- Tinh trang xac thuc:");
if (!info.ValidityErrors.ContainsKey(SignatureValidity.DocumentModified))
{
Console.WriteLine("-- Tai lieu chua bi thay doi.");
}
else
{
Console.WriteLine("-- Tai lieu da bi thay doi.");
flag = true;
}
if (info.ValidityErrors.ContainsKey(SignatureValidity.InvalidSigningCertificate))
{
Console.WriteLine("-- Chung thu so khong hop le: " + info.ValidityErrors[SignatureValidity.InvalidSigningCertificate]);
flag = true;
}
else if (info.ValidityErrors.ContainsKey(SignatureValidity.ErrorCheckingSigningCertificate))
{
Console.WriteLine("-- Loi kiem tra chung thu so: " + info.ValidityErrors[SignatureValidity.ErrorCheckingSigningCertificate]);
flag2 = true;
}
else if (info.ValidityErrors.ContainsKey(SignatureValidity.NonCheckingRevokedSigningCert))
{
Console.WriteLine("-- Chung thu so khong duoc kiem tra trang thai truc tuyen.");
flag2 = true;
}
else
{
Console.WriteLine("-- Chung thu so hop le.");
}
if (info.ValidityErrors.ContainsKey(SignatureValidity.NotTimestamped))
{
Console.WriteLine("-- Chu ky khong duoc gan dau thoi gian tin cay.");
flag2 = true;
}
else if (info.ValidityErrors.ContainsKey(SignatureValidity.InvalidTimestampImprint))
{
Console.WriteLine("-- Dau thoi gian khong hop le.");
flag2 = true;
}
else if (info.ValidityErrors.ContainsKey(SignatureValidity.InvalidTSACertificate))
{
Console.WriteLine("-- Chung thu so TSA khong hop le:" + info.ValidityErrors[SignatureValidity.InvalidTSACertificate]);
flag2 = true;
}
else if (info.ValidityErrors.ContainsKey(SignatureValidity.ErrorCheckingTSACertificate))
{
Console.WriteLine("-- Loi kiem tra chung thu so TSA: " + info.ValidityErrors[SignatureValidity.ErrorCheckingTSACertificate]);
flag2 = true;
}
else if (info.ValidityErrors.ContainsKey(SignatureValidity.NonCheckingRevokedTSACert))
{
Console.WriteLine("--Chung thu so TSA khong duoc kiem tra trang thai truc tuyen.");
flag2 = true;
}
else
{
Console.WriteLine("-- Dau thoi gian hop le.");
}
if (!flag && !flag2)
{
Console.WriteLine("==> Chu ky hop le!");
}
else if (flag)
{
Console.WriteLine("==> Chu ky khong hop le!");
}
else
{
Console.WriteLine("==> Khong du thong tin xac thuc!");
}
Console.WriteLine("--Thong tin chu ky");
if (!info.IsTsp)
{
try
{
str2 = info.SigningTime.ToString("dd/MM/yyyy HH:mm:ss zzz");
}
catch
{
str2 = "N/A";
}
Console.WriteLine(string.Format("--- Thoi gian ky: {0}", str2));
}
else
{
Console.WriteLine("--- Chu ky la dau thoi gian");
}
if (!info.ValidityErrors.ContainsKey(SignatureValidity.NotTimestamped))
{
Console.WriteLine("--Thong tin dau thoi gian");
try
{
str2 = info.TimeStampDate.ToString("dd/MM/yyyy HH:mm:ss zzz");
}
catch
{
str2 = "N/A";
}
Console.WriteLine(string.Format("--- Gia tri dau thoi gian: {0}", str2));
if (!info.IsTsp)
{
try
{
str = new CertInfo(info.TimeStampCertificate).ToString();
}
catch
{
str = "N/A";
}
Console.WriteLine(string.Format("--- Chung thu so TSA: {0}", str));
}
}
try
{
Console.WriteLine(string.Format("--- Chu ky tren trang {0}", info.PageIndex.ToString()));
continue;
}
catch
{
continue;
}
}
}
}
Console.ReadLine();
}