Java able to read PKI from Mozilla

I need to have my java Swing application able to use PKI authenticate for User Login. My application is running on Linux. I'm not able to have my application read PKI from Mozilla. It is able to read PKi certificate from IE on Window.
I follow the instruction from http://download.oracle.com/javase/6/docs/technotes/guides/deployment/deployment-guide/keystores.html to install JSS in Mozilla , and it still doesn't work.
Any suggestion/help will be big support for me.
Thanks,

A private-key and its corresponding digital certificate in any keystore - including the Java Keystore can be used for all types of applications that use HTTPS - including web-services; it is not an exclusive feature of Firefox.
If your plan is to load every users key and certificate from a common keystore, have you considered that a user may be able to masquerade as any user whose key/certificate is within the keystore and defeat the purpose of authentication? The goal of a Public Key Infrastructure is to provide strong-authentication. This is only possible if you use the technology with the appropriate controls - in this case, ensuring that every user's keys/certificate are maintained separately and securely. This implies that every user's keys/certificate must be loaded individually when authenticating them to the remote server. To put all their keys/certificates in a single keystore (if I understand your implementation goals correctly) is to defeat the very security that a PKI enables.
Arshad Noor
StrongAuth, Inc.

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Attachments:
102bit_SPI.zip ‏90 KB

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Kevin,
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~VSN

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14 )
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Solved!
Go to Solution.

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Message Edited by My NI on 08-05-2009 09:04 AM
Regards
MY
Attachments:
Example.vi ‏10 KB

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 int LR_VGACOLOR = 0x0080;
 int LR_LOADMAP3DCOLORS = 0x1000;
 int LR_CREATEDIBSECTION = 0x2000;
 int LR_COPYFROMRESOURCE = 0x4000;
 int LR_SHARED = 0x8000;
 Pointer FindWindowA(String winClass, String title);
 int GetClassName(Pointer hWnd, byte[] lpClassName, int nMaxCount);
 public static class GUITHREADINFO extends Structure {
 public int cbSize = size();
 public int flags;
 Pointer hwndActive;
 Pointer hwndFocus;
 Pointer hwndCapture;
 Pointer hwndMenuOwner;
 Pointer hwndMoveSize;
 Pointer hwndCaret;
 RECT rcCaret;
 boolean GetGUIThreadInfo(int idThread, GUITHREADINFO lpgui);
 public static class WINDOWINFO extends Structure {
 public int cbSize = size();
 public RECT rcWindow;
 public RECT rcClient;
 public int dwStyle;
 public int dwExStyle;
 public int dwWindowStatus;
 public int cxWindowBorders;
 public int cyWindowBorders;
 public short atomWindowType;
 public short wCreatorVersion;
 boolean GetWindowInfo(Pointer hWnd, WINDOWINFO pwi);
 boolean GetWindowRect(Pointer hWnd, RECT rect);
 int GetWindowText(Pointer hWnd, byte[] lpString, int nMaxCount);
 int GetWindowTextLength(Pointer hWnd);
 int GetWindowModuleFileName(Pointer hWnd, byte[] lpszFileName, int cchFileNameMax);
 int GetWindowThreadProcessId(Pointer hWnd, IntByReference lpdwProcessId);
 interface WNDENUMPROC extends StdCallCallback {
 * Return whether to continue enumeration.
 boolean callback(Pointer hWnd, Pointer data);
 boolean EnumWindows(WNDENUMPROC lpEnumFunc, Pointer data);
 boolean EnumThreadWindows(int dwThreadId, WNDENUMPROC lpEnumFunc, Pointer data);
 boolean FlashWindowEx(FLASHWINFO info);
 Pointer LoadIcon(Pointer hInstance, String iconName);
 Pointer LoadImage(Pointer hinst, // handle to instance
 String name, // image to load
 int type, // image type
 int xDesired, // desired width
 int yDesired, // desired height
 int load // load options
 boolean DestroyIcon(Pointer hicon);
 int GWL_EXSTYLE = -20;
 int GWL_STYLE = -16;
 int GWL_WNDPROC = -4;
 int GWL_HINSTANCE = -6;
 int GWL_ID = -12;
 int GWL_USERDATA = -21;
 int DWL_DLGPROC = 4;
 int DWL_MSGRESULT = 0;
 int DWL_USER = 8;
 int WS_EX_COMPOSITED = 0x20000000;
 int WS_EX_LAYERED = 0x80000;
 int WS_EX_TRANSPARENT = 32;
 int GetWindowLong(Pointer hWnd, int nIndex);
 int SetWindowLong(Pointer hWnd, int nIndex, int dwNewLong);
 int LWA_COLORKEY = 1;
 int LWA_ALPHA = 2;
 int ULW_COLORKEY = 1;
 int ULW_ALPHA = 2;
 int ULW_OPAQUE = 4;
 boolean SetLayeredWindowAttributes(Pointer hwnd, int crKey,
 byte bAlpha, int dwFlags);
 boolean GetLayeredWindowAttributes(Pointer hwnd,
 IntByReference pcrKey,
 ByteByReference pbAlpha,
 IntByReference pdwFlags);
 * Defines the x- and y-coordinates of a point.
 public static class POINT extends Structure {
 public int x, y;
 * Specifies the width and height of a rectangle.
 public static class SIZE extends Structure {
 public int cx, cy;
 int AC_SRC_OVER = 0x00;
 int AC_SRC_ALPHA = 0x01;
 int AC_SRC_NO_PREMULT_ALPHA = 0x01;
 int AC_SRC_NO_ALPHA = 0x02;
 public static class BLENDFUNCTION extends Structure {
 public byte BlendOp = AC_SRC_OVER; // only valid value
 public byte BlendFlags = 0; // only valid value
 public byte SourceConstantAlpha;
 public byte AlphaFormat;
 boolean UpdateLayeredWindow(Pointer hwnd, Pointer hdcDst,
 POINT pptDst, SIZE psize,
 Pointer hdcSrc, POINT pptSrc, int crKey,
 BLENDFUNCTION pblend, int dwFlags);
 int SetWindowRgn(Pointer hWnd, Pointer hRgn, boolean bRedraw);
 int VK_SHIFT = 16;
 int VK_LSHIFT = 0xA0;
 int VK_RSHIFT = 0xA1;
 int VK_CONTROL = 17;
 int VK_LCONTROL = 0xA2;
 int VK_RCONTROL = 0xA3;
 int VK_MENU = 18;
 int VK_LMENU = 0xA4;
 int VK_RMENU = 0xA5;
 boolean GetKeyboardState(byte[] state);
 short GetAsyncKeyState(int vKey);
package com.br.kernel;
import com.sun.jna.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.ptr.IntByReference;
// by deject3d
public interface Kernel32 extends StdCallLibrary
 // description from msdn
 //BOOL WINAPI WriteProcessMemory(
 //__in HANDLE hProcess,
 //__in LPVOID lpBaseAddress,
 //__in LPCVOID lpBuffer,
 //__in SIZE_T nSize,
 //__out SIZE_T *lpNumberOfBytesWritten
 boolean WriteProcessMemory(Pointer p, int address, Pointer buffer, int size, IntByReference written);
 //BOOL WINAPI ReadProcessMemory(
 // __in HANDLE hProcess,
 // __in LPCVOID lpBaseAddress,
 // __out LPVOID lpBuffer,
 // __in SIZE_T nSize,
 // __out SIZE_T *lpNumberOfBytesRead
 boolean ReadProcessMemory(Pointer hProcess, int inBaseAddress, Pointer outputBuffer, int nSize, IntByReference outNumberOfBytesRead);
 //HANDLE WINAPI OpenProcess(
 // __in DWORD dwDesiredAccess,
 // __in BOOL bInheritHandle,
 // __in DWORD dwProcessId
 Pointer OpenProcess(int desired, boolean inherit, int pid);
 /* derp */
 int GetLastError();
http://pastebin.com/Vq8wfy39

Hello there,
this tutorial was exactly what I needed, so thank you.
Your problem seems to be in this line:
int writeMemory = writeMemory(writeprocess, address, new short[0x22222222]);
The problem is, you're creating a new short array with the length of 0x22222222. Which not only results in an java.lang.OutOfMemoryError: Java heap space
but also, if it would work, would create an empty array with the length of 0x22222222.
I think you want to write 0x22222222 as value in your address.
Correctly stored the code you'd need to write would be:
short[] sarray = new short[]{(short) 0x22222222};
But because the value is too long for the short, the value stored in your array would be the number 8738.
I think, what you want to do is to store the number 572662306, which would be the hex value, stored in an int variable.
So first of all you need to strip down your hex-value to shorts:
Short in Java uses 16 Bit = 2 Byte. 0x22222222 -> 0x2222 for your high byte and 0x2222 for your low byte
So your array would be
short[] sarray = new short[]{0x2222,0x2222};//notice, that sarray[0] is the lowbyte and sarray[1] the high byte, if you want to store 20 it would be new short[]{20,0} or if you use hex new short[]{0x14,0x00}
The next part is your writeToMemory Method. If I'm right, the method in the tutorial is a little bit wrong. The right version should be this:
public static int writeMemory(Pointer process, int address, short[] data) {
IntByReference written = new IntByReference(0);
int size = data.length*Short.SIZE/8;
Memory toWrite = new Memory(size);
for (int i = 0; i < data.length; i++) {
toWrite.setShort(i*Short.SIZE/8,
data[i]);
boolean b = kernel32.WriteProcessMemory(process, address, toWrite,
size, written);
return written.getValue();
You need to calculate your offset right. And the size of your memory. Maybe you could write this method not with shorts, but with integers. But this should work.
If you pass your new array to this function, it should write 0x22222222 to your adress. If you read out your toWrite value with toWrite.getInt(0) you get the right value.
And there is one more thing. In order to write data to a process, you need to grant two access rights:
A handle to the process memory to be modified. The handle must have PROCESS_VM_WRITE and PROCESS_VM_OPERATION access to the process.
You have to grant the right to write data: PROCESS_VM_WRITE: 0x0020 and PROCESS_VM_OPERATION: 0x0008
So your writeProcess needs to get initialized this way:
Pointer writeprocess = openProcess(0x0020|0x0008,pid);
I hope this works for you. Let me know.
Greetings
Edit:
Because every data you write will be 1 byte to whatever count of byte I think the best way is to use the following method to write data to the memory:
public static void writeMemory(Pointer process, long address, byte[] data)
int size = data.length;
Memory toWrite = new Memory(size);
for(int i = 0; i < size; i++)
toWrite.setByte(i, data[i]);
boolean b = kernel32.WriteProcessMemory(process, address, toWrite, size, null);
You can see some changes. First I changed all address values from int to long, because some addresses are out of range. And with all, i mean all. Not only in writeMemory, but also in readMemory and in your kernel32 Class.
Second I don't use the IntByReference anymore..
To use this method you need to store your data the following way if you would write 4 Byte data:
byte[] values = new byte[]{0x14,0x00,0x00,0x00};
This value would be the number 20. Index 0 will be the lowest byte and index 3 will be the highest byte.
And one more thing I wrote is an method which you can use to calculate your address if you have a baseAddress.
If you restart your program/game your old addresses won't point at the same values of your game. With some research (I use CheatEngine) you can get the baseaddress. This one will alway be the same.
To get from your baseaddress to the dynamic adress you use offsets.
public static long findDynAddy(Pointer process, int[] offsets, long baseAddress)
long pointer = baseAddress;
int size = 4;
Memory pTemp = new Memory(size);
long pointerAddress = 0;
for(int i = 0; i < offsets.length; i++)
if(i == 0)
kernel32.ReadProcessMemory(process, pointer, pTemp, size, null);
pointerAddress = ((pTemp.getInt(0)+offsets[i]));
if(i != offsets.length-1)
kernel32.ReadProcessMemory(process, pointerAddress, pTemp, size, null);
return pointerAddress;
This methods gets a process, an array of offsets (hex-values) and your baseadress and returns the dynamic address.
For Solitaire the following code would give you the address to the score:
long baseAddr = 0x10002AFA8L;
int[] offsets = new int[]{0x50,0x14};
long addr = findDynAddy(process, offsets, baseAddr);
If somebody wants to get the whole code (user32, kernel32 and the cheater) just pm me and I will give you a link.

Possible to read data from a web browser into java?

Is it possible to read data from a web browser such as IE or Mozilla into a java applet for use and manipulation? If it is, could someone please post some documentation I could look at or a snip-it of code I could use? Thanks.

This will read the content from a site:
import java.net.*;
import java.io.*;
class Test {
     public static void main(String[] argv) throws Exception {
          URL u = new URL("http://www.google.com");
          URLConnection uc = u.openConnection();
          BufferedReader br = new BufferedReader(new InputStreamReader(uc.getInputStream()));
          String text;
          while( (text = br.readLine()) != null ) {
               System.out.println(text);
}

Java able to read PKI from Mozilla

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