static void Main(string[] args)
{
var data = ...;
var cms = new SignedCms();
cms.Decode(data);
var pbCmsgSignerInfo = typeof(SignerInfo).GetField("m_pbCmsgSignerInfo", BindingFlags.NonPublic | BindingFlags.Instance);
var si = (SafeHandle)pbCmsgSignerInfo.GetValue(cms.SignerInfos[0]);
var safeCryptMessageHandle = typeof(SignedCms).GetField("m_safeCryptMsgHandle", BindingFlags.NonPublic | BindingFlags.Instance);
var hMsg = (SafeHandle)safeCryptMessageHandle.GetValue(cms);
var vsi = new CRYPTUI_VIEWSIGNERINFO_STRUCT {
dwSize = (uint)Marshal.SizeOf(typeof(CRYPTUI_VIEWSIGNERINFO_STRUCT)),
pSignerInfo = si,
hMsg = hMsg,
};
CryptUIDlgViewSignerInfo(ref vsi);
}
private static extern bool CryptUIDlgViewSignerInfo(ref CRYPTUI_VIEWSIGNERINFO_STRUCT pcvsi);
