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Can SSD Password be recovered from BIOS bin?

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    Can SSD Password be recovered from BIOS bin?

    Recently a friend of mine bought in a Panasonic toughbook CF-54 with a locked BIOS. I was able to unlock the BIOS with the help of good samaritans here. After unlocking I realized that there was an SSD password. Before unlocking the BIOS, when I switch on the laptop, it would boot into a custom windows 8 with preloaded software without asking for any ssd password. Now I did not know the password and as it was urgent, I bought him a new ssd and sent him his way home. Now I have the old ssd with the password. (Attached the picture). I inserted this SSD into an old dell laptop and it prompted me for the SSD password which I do not know. The ssd does not have PSID to do a PSID revert. I also tried the HDPARM method but it failed. I have the copy of the locked BIOS bin with me (Attached the bin). Is it possible to retrieve the password from the BIOS bin? Is there any other method to unlock the drive? I don't need the data. I just want to make the drive usable again.
    Attached Files

    #2
    Re: Can SSD Password be recovered from BIOS bin?

    What errors do you get when you try to use the hdparm method?
    Don't buy those $10 PSU "specials". They fail, and they have taken whole computers with them.

    My computer doubles as a space heater.

    Permanently Retired Systems:
    RIP Advantech UNO-3072LA (2008-2021) - Decommissioned and taken out of service permanently due to lack of software support for it. Not very likely to ever be recommissioned again.
    Asus Q550LF (Old main laptop, 2014-2022) - Decommissioned and stripped due to a myriad of problems, the main battery bloating being the final nail in the coffin.


    Kooky and Kool Systems
    - 1996 Power Macintosh 7200/120 + PC Compatibility Card - Under Restoration
    - 1993 Gateway 2000 80486DX/50 - Fully Operational/WIP
    - 2004 Athlon 64 Retro Gaming System - Indefinitely Parked
    - Main Workstation - Fully operational!

    sigpic

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      #3
      Re: Can SSD Password be recovered from BIOS bin?

      although a password could be in the UEFI partition, it's more likely to be in the TPM eeprom

      Comment


        #4
        Re: Can SSD Password be recovered from BIOS bin?

        Originally posted by TechGeek View Post
        What errors do you get when you try to use the hdparm method?
        SG_IO: bad/missing sense data

        I followed this guide - https://grok.lsu.edu/article.aspx?articleid=16716

        I am attaching pictures for reference. I tried this on a laptop as well as on a PC. Same error in both. Tried power cycling but it didn't work.
        Attached Files

        Comment


          #5
          Re: Can SSD Password be recovered from BIOS bin?

          "enhancedp"
          try without the p

          Comment


            #6
            Re: Can SSD Password be recovered from BIOS bin?

            Originally posted by stj View Post
            "enhancedp"
            try without the p
            If you look at the next command, I corrected it. It still did not work.

            Comment


              #7
              Re: Can SSD Password be recovered from BIOS bin?

              you still tried to pass the "p" as a password though

              Comment


                #8
                Re: Can SSD Password be recovered from BIOS bin?

                Originally posted by stj View Post
                you still tried to pass the "p" as a password though
                I reproduced the steps in the following guides.

                https://grok.lsu.edu/article.aspx?articleid=16716

                https://ata.wiki.kernel.org/index.php/ATA_Secure_Erase

                https://www.ibm.com/docs/en/linux-on...ion-sata-drive

                I am still getting the same "SG_IO: bad or missing sense data" error

                However, I also tried your recommendation now. It says "Missing PASSWD"

                The HDPARM erase command requires a password it seems. That's why in all these guides there is a step to set the user password and then run the secure delete command using the user password. I am also attaching another image. Let me know if it helps.
                Attached Files

                Comment


                  #9
                  Re: Can SSD Password be recovered from BIOS bin?

                  You have something similar to mine, which needed quite an effort to achieve

                  https://www.badcaps.net/forum/showthread.php?t=105765

                  https://www.badcaps.net/forum/showthread.php?t=105808

                  Seeing your PM851 has no PSID on its label (a 32 character code I believe), PSID Revert isn't an option for you

                  Although there may be faint hope if PM851 is Opal compliant:

                  https://github.com/Drive-Trust-Allia...ki/PSID-Revert

                  Failing that, based on my experience, you may need to get back the CF54, put the PM851 back in it, then go through a process similar to that required to unlock the CF54 BIOS
                  better to keep quiet and be thought a fool, than to open your mouth and remove all doubt

                  Comment


                    #10
                    Re: Can SSD Password be recovered from BIOS bin?

                    @ajithpoison
                    In some laptop models there's an hdd master password in one of the DXE drivers, 32-hex pair password, that is used as a recovery to secure erase the hdd.

                    Comment


                      #11
                      Re: Can SSD Password be recovered from BIOS bin?

                      Originally posted by pfrcom View Post
                      You have something similar to mine, which needed quite an effort to achieve

                      https://www.badcaps.net/forum/showthread.php?t=105765

                      https://www.badcaps.net/forum/showthread.php?t=105808

                      Seeing your PM851 has no PSID on its label (a 32 character code I believe), PSID Revert isn't an option for you

                      Although there may be faint hope if PM851 is Opal compliant:

                      https://github.com/Drive-Trust-Allia...ki/PSID-Revert

                      Failing that, based on my experience, you may need to get back the CF54, put the PM851 back in it, then go through a process similar to that required to unlock the CF54 BIOS
                      Unfortunately the drive is not OPAL compliant (refer attached picture). I did go through all your posts before posting this new thread. I have gotten in touch with my friend to see if he can hand over the toughbook for a few days so that I can try something with it. Will keep everyone posted once I get a hold on the laptop.
                      Attached Files

                      Comment


                        #12
                        Re: Can SSD Password be recovered from BIOS bin?

                        Originally posted by AAAC View Post
                        @ajithpoison
                        In some laptop models there's an hdd master password in one of the DXE drivers, 32-hex pair password, that is used as a recovery to secure erase the hdd.
                        Is there a way to find it out? Probably a guide of sorts? When switching my PC on it asks for a user password. It also gives me an option to hit ESC and enter the master password. (I don't know either of these passwords)

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