C# Definition:

[StructLayout(LayoutKind.Sequential)]
struct CRYPT_OBJID_BLOB
{
    public uint cbData;
    [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0)]
    public byte[] pbData;
}

VB Definition:

Structure CRYPT_OBJID_BLOB
   Public TODO
End Structure

User-Defined Field Types:

None.

Notes:

None.