static Wincrypt.CTL_ENTRY create_ctlentry(IntPtr handle, String thumbprint)
{
Wincrypt.CTL_ENTRY entry = new Wincrypt.CTL_ENTRY {
SubjectIdentifier =
{
pbData = get_thumbptr(thumbprint),
cbData = (UInt32)(thumbprint.Length / 2)
}
};
List <UInt32> ids = new List <UInt32>();
Boolean end = false;
do
{
UInt32 retn = Crypt32.CertEnumCertificateContextProperties(handle, 0);
if (retn == 0)
{
end = true;
}
else
{
ids.Add(retn);
}
} while (!end);
if (ids.Count > 0)
{
entry.cAttribute = (UInt32)ids.Count;
entry.rgAttribute = create_attributes(handle, ids);
}
return(entry);
}
void get_ctlentries()
{
if (CTLInfo.cCTLEntry > 0)
{
Entries = new X509CTLEntryCollection();
IntPtr rgCTLEntry = CTLInfo.rgCTLEntry;
for (Int32 index = 0; index < CTLInfo.cCTLEntry; index++)
{
StringBuilder SB = new StringBuilder();
X509AttributeCollection attributes = new X509AttributeCollection();
Wincrypt.CTL_ENTRY CTLEntry = (Wincrypt.CTL_ENTRY)Marshal.PtrToStructure(rgCTLEntry, typeof(Wincrypt.CTL_ENTRY));
byte[] bytes = new Byte[CTLEntry.SubjectIdentifier.cbData];
Marshal.Copy(CTLEntry.SubjectIdentifier.pbData, bytes, 0, bytes.Length);
foreach (Byte item in bytes)
{
SB.Append($"{item:X2}");
}
String thumbprint = SB.ToString();
if (CTLEntry.cAttribute > 0)
{
IntPtr rgAttribute = CTLEntry.rgAttribute;
for (Int32 indexx = 0; indexx < CTLEntry.cAttribute; indexx++)
{
Wincrypt.CRYPT_ATTRIBUTE attrib = (Wincrypt.CRYPT_ATTRIBUTE)Marshal.PtrToStructure(rgAttribute, typeof(Wincrypt.CRYPT_ATTRIBUTE));
Oid pszOid = new Oid(attrib.pszObjId);
Wincrypt.CRYPTOAPI_BLOB blob = (Wincrypt.CRYPTOAPI_BLOB)Marshal.PtrToStructure(attrib.rgValue, typeof(Wincrypt.CRYPTOAPI_BLOB));
bytes = new Byte[blob.cbData];
Marshal.Copy(blob.pbData, bytes, 0, bytes.Length);
attributes.Add(new X509Attribute(pszOid, bytes));
rgAttribute = (IntPtr)((UInt64)rgAttribute + (UInt32)Marshal.SizeOf(typeof(Wincrypt.CRYPT_ATTRIBUTE)));
}
}
Entries.Add(new X509CTLEntry(thumbprint, attributes));
rgCTLEntry = (IntPtr)((UInt64)rgCTLEntry + (UInt32)Marshal.SizeOf(typeof(Wincrypt.CTL_ENTRY)));
}
}
}