GSM Shop GSM Shop
GSM-Forum  

Welcome to the GSM-Forum forums.

You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features.
Only registered members may post questions, contact other members or search our database of over 8 million posts.

Registration is fast, simple and absolutely free so please - Click to REGISTER!

If you have any problems with the registration process or your account login, please contact contact us .

Go Back   GSM-Forum > Other Gsm/Mobile Related Forums > GSM Programming & Reverse Engineering

GSM Programming & Reverse Engineering Here you can post all Kind of GSM Programming and Reverse Engineering tools and Secrets.

Reply
 
LinkBack Thread Tools Display Modes
Old 08-13-2003, 10:23   #1 (permalink)
Freak Poster
 
Join Date: Apr 2003
Age: 39
Posts: 308
Member: 26806
Status: Offline
Thanks Meter: 0
DCT4 Decryption/Encryption Algorithm


Hi
I Want Chenge Characters in Nokia DCT4 Flash Files
For Example Change "Insert Sim Card" to "Inserta Sim Karta"
How I Can Do This?

[email protected]
  Reply With Quote
Old 09-09-2003, 09:59   #2 (permalink)
Freak Poster
 
Paradox69's Avatar
 
Join Date: Jun 2003
Location: America, Europe, Middle East
Posts: 115
Member: 31576
Status: Offline
Thanks Meter: 1
hexedit maybe ...
  Reply With Quote
Old 02-23-2004, 23:41   #3 (permalink)
No Life Poster
 
thecult's Avatar
 
Join Date: Feb 2002
Location: burning phones
Posts: 1,704
Member: 9700
Status: Offline
Thanks Meter: 62
yes.... if you can decrypt DCT-4 algorithm
  Reply With Quote
Old 02-24-2004, 00:15   #4 (permalink)
Freak Poster
 
Brain's Avatar
 
Join Date: May 2002
Location: somewhere
Posts: 238
Member: 11704
Status: Offline
Thanks Meter: 0
Quote:
Originally Posted by dehghani
Hi
I Want Chenge Characters in Nokia DCT4 Flash Files
For Example Change "Insert Sim Card" to "Inserta Sim Karta"
How I Can Do This?

[email protected]

Contact with your good friend:Vahid.

I am remember to dct4 imei changer with patchelt flash...
  Reply With Quote
Old 02-25-2004, 05:29   #5 (permalink)
Freak Poster
 
Join Date: Apr 2003
Age: 39
Posts: 308
Member: 26806
Status: Offline
Thanks Meter: 0
Hi friends
now i can do this without any problem
i never do not need my jealus friends like VSH
Because he can not see other persons can do his works better than him
Special Thanks to all friends like :
Tanvir, Sun, Anhtam, SiRoYa, YiL, Aziz Khan, XzZ, ...
  Reply With Quote
Old 02-25-2004, 14:38   #6 (permalink)
No Life Poster
 
Dave.W's Avatar
 
Join Date: Nov 2001
Location: England
Age: 41
Posts: 2,821
Member: 7653
Status: Offline
Thanks Meter: 823
how to decrypt flash
how to recalc cheksums?

please...
  Reply With Quote
Old 02-28-2004, 12:51   #7 (permalink)
No Life Poster
 
crusher's Avatar
 
Join Date: Dec 2001
Location: [winscard.SCardTransmit]
Posts: 1,835
Member: 8023
Status: Offline
Thanks Meter: 13
just disassemble
  Reply With Quote
Old 02-29-2004, 17:49   #8 (permalink)
No Life Poster
 
thecult's Avatar
 
Join Date: Feb 2002
Location: burning phones
Posts: 1,704
Member: 9700
Status: Offline
Thanks Meter: 62
only disassemble? but you need a patch for encryption for ida pro or somthing else... I think
  Reply With Quote
Old 03-06-2004, 20:01   #9 (permalink)
Freak Poster
 
veeresh's Avatar
 
Join Date: Apr 2003
Location: india blore
Age: 58
Posts: 102
Member: 26209
Status: Offline
Thanks Meter: 2
i am not sure.but i think use hex editor.
  Reply With Quote
Old 03-06-2004, 22:02   #10 (permalink)
Freak Poster
 
Zanzamar's Avatar
 
Join Date: Jun 2002
Location: Scara Brae
Posts: 246
Member: 12623
Status: Offline
Thanks Meter: 5
How far some members can go in their "wisdom"
  Reply With Quote
Old 03-07-2004, 14:36   #11 (permalink)
No Life Poster
 
crusher's Avatar
 
Join Date: Dec 2001
Location: [winscard.SCardTransmit]
Posts: 1,835
Member: 8023
Status: Offline
Thanks Meter: 13
Quote:
Originally Posted by thecult
only disassemble? but you need a patch for encryption for ida pro or somthing else... I think
someone said a time that the flash resides in chip in encrypted form.
if that's true, the firmware must contain the decryption routine in plain runnable (and disassembleable) format...
  Reply With Quote
Old 03-07-2004, 15:35   #12 (permalink)
No Life Poster
 
Dave.W's Avatar
 
Join Date: Nov 2001
Location: England
Age: 41
Posts: 2,821
Member: 7653
Status: Offline
Thanks Meter: 823
UPP bus hardware decrypts (as i read here: http://nokiafree.org/forums/t53212/h...decrypt/s.html )
  Reply With Quote
Old 03-07-2004, 18:35   #13 (permalink)
Freak Poster
 
veeresh's Avatar
 
Join Date: Apr 2003
Location: india blore
Age: 58
Posts: 102
Member: 26209
Status: Offline
Thanks Meter: 2
Quote:
Originally Posted by crusher
someone said a time that the flash resides in chip in encrypted form.
if that's true, the firmware must contain the decryption routine in plain runnable (and disassembleable) format...
Mr crusher would you please put more information on this topic
  Reply With Quote
Old 05-12-2006, 20:09   #14 (permalink)
Freak Poster
 
Join Date: Mar 2006
Location: Gujarat India
Age: 40
Posts: 115
Member: 244135
Status: Offline
Thanks Meter: 16
It may be true what i think MCU file is like a .cab file in windows which extracts during flashing mcu i got this idea when i was flashing nokia 6600 i unpluged the cable during flashing the error came h.dat write failed. by this i thought mcu file is a core of various files which requires to run symbian os in mobile devices. it is like a setup file


Is any one there who can tell me more about this topic my email ID is

[email protected]
  Reply With Quote
Old 05-12-2006, 20:48   #15 (permalink)
Product Supporter
 
ulymar's Avatar
 
Join Date: Sep 2004
Location: PHILIPPINES
Age: 46
Posts: 686
Member: 81952
Status: Offline
Sonork: 1597268
Thanks Meter: 2,364






why not try this link:

http://www.gsmgadget.cjb.net/showthread.php?t=514
  Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
thread Thread Starter Forum Replies Last Post
how to decrypt encrypted *.pcx file neamelu GSM Programming & Reverse Engineering 0 09-24-2009 23:56
How to read SIM-cards with Comp 2 and 3 encryption algorithm sfent Sim Cloning and Scaning 5 03-31-2008 21:51
DCT4 flashfile decryption/encryption davor Nokia Multimedia 3 08-23-2004 15:52
DCT4 Decryption/Encryption Algorithm Dehghani GSM Programming & Reverse Engineering 0 08-13-2003 10:21
DCT4/WD2 Encryption Algorithm Mulder3 GSM Programming & Reverse Engineering 1 07-24-2003 18:57

 



All times are GMT +1. The time now is 14:18.



Powered by Searchlight © 2024 Axivo Inc.
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.
- GSM Hosting Ltd. - 1999-2023 -
Page generated in 0.19067 seconds with 9 queries

SEO by vBSEO