ALLservice Service Forum
support board, PC repair, unlocking solutions
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Issues decrypting L520 supervisor password

 
Post new topic   Reply to topic    Service Forum Forum Index -> IBM/Lenovo ThinkPad Password Help Center (EN)
View previous topic :: View next topic  
Author Message
thodek
Nou Venit


Joined: 25 May 2022
Posts: 1

PostPosted: Wed May 25, 2022 10:13 pm    Post subject: Issues decrypting L520 supervisor password Reply with quote

Hi. I followed the tutorial in https://www.allservice.ro/forum//viewtopic.php?t=47 to retrieve a TP L520 supervisor password. I managed to dump the eeprom contents using a SIPROG. The dump went smoothly and R24RF08 didn't report any errors at all.

Seems like the password is stored in hex on 0x338, as "d7 dd 86 37 a0 e3 fb 99" (and repeated on 0x340), but IBMpass translates it into whitespaces and an asterisk in Scancode mode, or just garbled text when using Alternate Scancode mode. Both results are unusable as supervisor passwords.

I made another dump using the patcher provided along R24RF08 just in case (right before reading the eeprom contents). The dump ended up being identical to the previous one.

Is the stored password using some sort of stronger encryption? Is there anything else I could do?

Thank you so much for your help and all the useful resources.
Back to top
View user's profile Send private message
victor
S.F. Boss


Joined: 07 Mar 2004
Posts: 2554
Location: Staff

PostPosted: Fri May 27, 2022 3:10 pm    Post subject: Reply with quote

PAssphrase could be on (TCPA lock)

Email us at support@ allservice.ro and attach the dump, so we'll have a look
_________________
Victor Voinea
ALLservice HQ, Romania.
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    Service Forum Forum Index -> IBM/Lenovo ThinkPad Password Help Center (EN) All times are GMT + 2 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum



Powered by phpBB © 2001, 2005 phpBB Group