internal unsafe X509ChainElement(IntPtr pChainElement)
{
CAPI.CERT_CHAIN_ELEMENT chainElement = new CAPI.CERT_CHAIN_ELEMENT(Marshal.SizeOf(typeof(CAPI.CERT_CHAIN_ELEMENT)));
uint cbSize = (uint)Marshal.ReadInt32(pChainElement);
if (cbSize > Marshal.SizeOf(chainElement))
{
cbSize = (uint)Marshal.SizeOf(chainElement);
}
X509Utils.memcpy(pChainElement, new IntPtr(&chainElement), cbSize);
m_certificate = new X509Certificate2(chainElement.pCertContext);
if (chainElement.pwszExtendedErrorInfo == IntPtr.Zero)
{
m_description = String.Empty;
}
else
{
m_description = Marshal.PtrToStringUni(chainElement.pwszExtendedErrorInfo);
}
// We give the user a reference to the array since we'll never access it.
if (chainElement.dwErrorStatus == 0)
{
m_chainStatus = new X509ChainStatus[0]; // empty array
}
else
{
m_chainStatus = X509Chain.GetChainStatusInformation(chainElement.dwErrorStatus);
}
}
internal unsafe X509ChainElement(IntPtr pChainElement)
{
CAPIBase.CERT_CHAIN_ELEMENT structure = new CAPIBase.CERT_CHAIN_ELEMENT(Marshal.SizeOf(typeof(CAPIBase.CERT_CHAIN_ELEMENT)));
uint size = (uint)Marshal.ReadInt32(pChainElement);
if (size > Marshal.SizeOf(structure))
{
size = (uint)Marshal.SizeOf(structure);
}
System.Security.Cryptography.X509Certificates.X509Utils.memcpy(pChainElement, new IntPtr((void *)&structure), size);
this.m_certificate = new X509Certificate2(structure.pCertContext);
if (structure.pwszExtendedErrorInfo == IntPtr.Zero)
{
this.m_description = string.Empty;
}
else
{
this.m_description = Marshal.PtrToStringUni(structure.pwszExtendedErrorInfo);
}
if (structure.dwErrorStatus == 0)
{
this.m_chainStatus = new X509ChainStatus[0];
}
else
{
this.m_chainStatus = X509Chain.GetChainStatusInformation(structure.dwErrorStatus);
}
}