public static byte[] GetCertificateProperty(
SafeCertContextHandle certificateContext,
NativeMethods.Crypt32.CertificateProperty property)
{
var pcbData = 0;
if (!NativeMethods.Crypt32.CertGetCertificateContextProperty(
certificateContext,
property,
null,
ref pcbData)
)
{
var code = (ErrorCode)Marshal.GetLastWin32Error();
if (code != ErrorCode.MoreData)
{
throw new CryptographicException((int)code);
}
}
var pvData = new byte[pcbData];
if (!NativeMethods.Crypt32.CertGetCertificateContextProperty(
certificateContext,
property,
pvData,
ref pcbData)
)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
return(pvData);
}
internal static unsafe T GetCertificateProperty <T>(
SafeCertContextHandle certificateContext,
NativeMethods.Crypt32.CertificateProperty property
) where T : struct
{
fixed(byte *numRef =
GetCertificateProperty(certificateContext, property))
{
return((T)Marshal.PtrToStructure(new IntPtr(numRef), typeof(T)));
}
}
internal static bool HasCertificateProperty(
SafeCertContextHandle certificateContext,
NativeMethods.Crypt32.CertificateProperty property)
{
var pcbData = 0;
if (!NativeMethods.Crypt32.CertGetCertificateContextProperty(
certificateContext,
property,
null,
ref pcbData)
)
{
return(Marshal.GetLastWin32Error() == (int)ErrorCode.MoreData);
}
return(true);
}
