public static void SignFile(string path, HashMode hashMode, RSA rsaPrivateKey, X509Certificate2 publicCertificate, string timestampUrl)
{
var useSha256 = hashMode == HashMode.Sha256;
try
{
XmlDocument manifestDom = new XmlDocument();
manifestDom.PreserveWhitespace = true;
manifestDom.Load(path);
SignedCmiManifest2 signedCmiManifest2 = new SignedCmiManifest2(manifestDom, useSha256);
CmiManifestSigner2 signer = !useSha256 || !(rsaPrivateKey is RSACryptoServiceProvider) ? new CmiManifestSigner2((AsymmetricAlgorithm)rsaPrivateKey, publicCertificate, useSha256) : new CmiManifestSigner2((AsymmetricAlgorithm)SignedCmiManifest2.GetFixedRSACryptoServiceProvider(rsaPrivateKey as RSACryptoServiceProvider, useSha256), publicCertificate, useSha256);
if (timestampUrl == null)
{
signedCmiManifest2.Sign(signer);
}
else
{
signedCmiManifest2.Sign(signer, timestampUrl);
}
manifestDom.Save(path);
}
catch (Exception ex)
{
switch (Marshal.GetHRForException(ex))
{
case -2147012889:
case -2147012867:
throw new ApplicationException("SecurityUtil.TimestampUrlNotFound", ex);
default:
throw new ApplicationException(ex.Message, ex);
}
}
}
private static void SignFileInternal(X509Certificate2 cert, Uri timestampUrl, string path, bool targetFrameworkSupportsSha256, System.Resources.ResourceManager resources)
{
if (cert == null)
{
throw new ArgumentNullException("cert");
}
if (String.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
if (!File.Exists(path))
{
throw new FileNotFoundException(String.Format(CultureInfo.InvariantCulture, resources.GetString("SecurityUtil.SignTargetNotFound"), path), path);
}
bool useSha256 = UseSha256Algorithm(cert) && targetFrameworkSupportsSha256;
if (PathUtil.IsPEFile(path))
{
if (IsCertInStore(cert))
{
SignPEFile(cert, timestampUrl, path, resources, useSha256);
}
else
{
throw new InvalidOperationException(resources.GetString("SignFile.CertNotInStore"));
}
}
else
{
if (cert.PrivateKey == null)
{
throw new InvalidOperationException(resources.GetString("SignFile.CertMissingPrivateKey"));
}
if (cert.PrivateKey.GetType() != typeof(RSACryptoServiceProvider))
{
throw new ApplicationException(resources.GetString("SecurityUtil.OnlyRSACertsAreAllowed"));
}
try
{
XmlDocument doc = new XmlDocument();
doc.PreserveWhitespace = true;
XmlReaderSettings xrSettings = new XmlReaderSettings();
xrSettings.DtdProcessing = DtdProcessing.Ignore;
using (XmlReader xr = XmlReader.Create(path, xrSettings))
{
doc.Load(xr);
}
SignedCmiManifest2 manifest = new SignedCmiManifest2(doc, useSha256);
RSACryptoServiceProvider csp;
if (useSha256)
{
csp = SignedCmiManifest2.GetFixedRSACryptoServiceProvider(cert.PrivateKey as RSACryptoServiceProvider, useSha256);
}
else
{
csp = cert.PrivateKey as RSACryptoServiceProvider;
}
CmiManifestSigner2 signer = new CmiManifestSigner2(csp, cert, useSha256);
if (timestampUrl == null)
{
manifest.Sign(signer);
}
else
{
manifest.Sign(signer, timestampUrl.ToString());
}
doc.Save(path);
}
catch (Exception ex)
{
int exceptionHR = System.Runtime.InteropServices.Marshal.GetHRForException(ex);
if (exceptionHR == -2147012889 || exceptionHR == -2147012867)
{
throw new ApplicationException(resources.GetString("SecurityUtil.TimestampUrlNotFound"), ex);
}
throw new ApplicationException(ex.Message, ex);
}
}
}
private static void SignFileInternal(X509Certificate2 cert, Uri timestampUrl, string path, bool targetFrameworkSupportsSha256, System.Resources.ResourceManager resources)
{
if (cert == null)
{
throw new ArgumentNullException(nameof(cert));
}
if (String.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path));
}
if (!FileSystems.Default.FileExists(path))
{
throw new FileNotFoundException(String.Format(CultureInfo.InvariantCulture, resources.GetString("SecurityUtil.SignTargetNotFound"), path), path);
}
bool useSha256 = UseSha256Algorithm(cert) && targetFrameworkSupportsSha256;
if (PathUtil.IsPEFile(path))
{
if (IsCertInStore(cert))
{
SignPEFile(cert, timestampUrl, path, resources, useSha256);
}
else
{
throw new InvalidOperationException(resources.GetString("SignFile.CertNotInStore"));
}
}
else
{
using (RSA rsa = CngLightup.GetRSAPrivateKey(cert))
{
if (rsa == null)
{
throw new ApplicationException(resources.GetString("SecurityUtil.OnlyRSACertsAreAllowed"));
}
try
{
var doc = new XmlDocument {
PreserveWhitespace = true
};
var xrSettings = new XmlReaderSettings {
DtdProcessing = DtdProcessing.Ignore
};
using (XmlReader xr = XmlReader.Create(path, xrSettings))
{
doc.Load(xr);
}
var manifest = new SignedCmiManifest2(doc, useSha256);
CmiManifestSigner2 signer;
if (useSha256 && rsa is RSACryptoServiceProvider)
{
RSACryptoServiceProvider csp = SignedCmiManifest2.GetFixedRSACryptoServiceProvider(rsa as RSACryptoServiceProvider, useSha256);
signer = new CmiManifestSigner2(csp, cert, useSha256);
}
else
{
signer = new CmiManifestSigner2(rsa, cert, useSha256);
}
if (timestampUrl == null)
{
manifest.Sign(signer);
}
else
{
manifest.Sign(signer, timestampUrl.ToString());
}
doc.Save(path);
}
catch (Exception ex)
{
int exceptionHR = Marshal.GetHRForException(ex);
if (exceptionHR == -2147012889 || exceptionHR == -2147012867)
{
throw new ApplicationException(resources.GetString("SecurityUtil.TimestampUrlNotFound"), ex);
}
throw new ApplicationException(ex.Message, ex);
}
}
}
}
