private static Signature GetSignatureFromWintrustData(
string filePath,
uint error,
System.Management.Automation.Security.NativeMethods.WINTRUST_DATA wtd)
{
Signature signature = (Signature)null;
X509Certificate2 timestamper = (X509Certificate2)null;
SignatureHelper.tracer.WriteLine("GetSignatureFromWintrustData: error: {0}", (object)error);
IntPtr pProvData = System.Management.Automation.Security.NativeMethods.WTHelperProvDataFromStateData(wtd.hWVTStateData);
if (pProvData != IntPtr.Zero)
{
IntPtr provSignerFromChain = System.Management.Automation.Security.NativeMethods.WTHelperGetProvSignerFromChain(pProvData, 0U, 0U, 0U);
if (provSignerFromChain != IntPtr.Zero)
{
X509Certificate2 certFromChain = SignatureHelper.GetCertFromChain(provSignerFromChain);
if (certFromChain != null)
{
System.Management.Automation.Security.NativeMethods.CRYPT_PROVIDER_SGNR structure = (System.Management.Automation.Security.NativeMethods.CRYPT_PROVIDER_SGNR)Marshal.PtrToStructure(provSignerFromChain, typeof(System.Management.Automation.Security.NativeMethods.CRYPT_PROVIDER_SGNR));
if (structure.csCounterSigners == 1U)
{
timestamper = SignatureHelper.GetCertFromChain(structure.pasCounterSigners);
}
signature = timestamper == null ? new Signature(filePath, error, certFromChain) : new Signature(filePath, error, certFromChain, timestamper);
}
}
}
if (signature == null && error != 0U)
{
signature = new Signature(filePath, error);
}
return(signature);
}
private static System.Management.Automation.Signature GetSignatureFromWintrustData(string filePath, uint error, System.Management.Automation.Security.NativeMethods.WINTRUST_DATA wtd)
{
System.Management.Automation.Signature signature = null;
X509Certificate2 signer = null;
X509Certificate2 timestamper = null;
tracer.WriteLine("GetSignatureFromWintrustData: error: {0}", new object[] { error });
IntPtr pProvData = System.Management.Automation.Security.NativeMethods.WTHelperProvDataFromStateData(wtd.hWVTStateData);
if (pProvData != IntPtr.Zero)
{
IntPtr pSigner = System.Management.Automation.Security.NativeMethods.WTHelperGetProvSignerFromChain(pProvData, 0, 0, 0);
if (pSigner != IntPtr.Zero)
{
signer = GetCertFromChain(pSigner);
if (signer != null)
{
System.Management.Automation.Security.NativeMethods.CRYPT_PROVIDER_SGNR crypt_provider_sgnr = (System.Management.Automation.Security.NativeMethods.CRYPT_PROVIDER_SGNR)Marshal.PtrToStructure(pSigner, typeof(System.Management.Automation.Security.NativeMethods.CRYPT_PROVIDER_SGNR));
if (crypt_provider_sgnr.csCounterSigners == 1)
{
timestamper = GetCertFromChain(crypt_provider_sgnr.pasCounterSigners);
}
if (timestamper != null)
{
signature = new System.Management.Automation.Signature(filePath, error, signer, timestamper);
}
else
{
signature = new System.Management.Automation.Signature(filePath, error, signer);
}
}
}
}
if ((signature == null) && (error != 0))
{
signature = new System.Management.Automation.Signature(filePath, error);
}
return(signature);
}