Forum Thread

How to Decode String (MacBook Pro Hex)

ENFerrari 1,253 297 April 6, 2012 at 11:40 PM
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#2
Just wondering, where did you get the "C021194000VDMNVA94B404C872CEEA1D6"?
Was it from running "sudo nvram -p"?
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#3
Quote from DreamingPixel View Post :
Just wondering, where did you get the "C021194000VDMNVA94B404C872CEEA1D6"?
Was it from running "sudo nvram -p"?
I'm not 100% sure what that is but what I did was I went to the firmware password screen and held some buttons and this hex key thing came down underneath the password field.
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#4
Does anyone know what string this is?
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#5
Can you open terminal and run "sudo nvram -p" and paste the output?
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#6
Quote from DreamingPixel View Post :
Can you open terminal and run "sudo nvram -p" and paste the output?
The thing is, I formatted the drive a long time ago and this drive wont open because of this stupid firmware password Frown
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#7
I'm going into the store tomorrow but they said the chat might not be available to decode it
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#8
btw its not HEX because it contains a V,M,N, etc, Hex is 1-9 A-F
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#9
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#10
I don't know anything about Macs nor have I researched anything before making this reply, but that string is likely to be a "hash" which is irreversible.
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#11
Quote from dhc014 View Post :
I don't know anything about Macs nor have I researched anything before making this reply, but that string is likely to be a "hash" which is irreversible.
From what I am seeing and reading about in the link above, you are correct. It sounds like it is only half of the password you would need, or it is encoded using the number from some piece of hardware. Kind of like ruining your life with a bios password and a dead motherboard.

Talk to Apple and see if they have any ideas or try to use the info above to bypass it.
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Last edited by Pedantyc April 9, 2012 at 09:15 AM
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#12
Every other forum I have been on don't allow these threads because more often than not they are stolen laptops. I mean seriously how do you forget a password you have to type in every time you use the computer? Seems fishy to me.
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#13
Quote from nizzy1115 View Post :
Every other forum I have been on don't allow these threads because more often than not they are stolen laptops. I mean seriously how do you forget a password you have to type in every time you use the computer? Seems fishy to me.

Agreed.
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#14
Quote from nizzy1115 View Post :
Every other forum I have been on don't allow these threads because more often than not they are stolen laptops. I mean seriously how do you forget a password you have to type in every time you use the computer? Seems fishy to me.
Firmware Password isn't used every time the computer is used. Rather, it requires a password for several boot commands (e.g. booting from optical disc or booting into safe mode) or accessing the firmware in any way. Moreover, security through obfuscation is counter-intuitive, especially if someone has a legitimate problem.

That being said, here's instructions on resetting a firmware password:
http://osxdaily.com/2009/10/19/by...-password/

More info here:
http://www.securemac.com/openfirm...ection.php
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Last edited by kakomu April 9, 2012 at 10:59 AM
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#15
Quote from nizzy1115 View Post :
Every other forum I have been on don't allow these threads because more often than not they are stolen laptops. I mean seriously how do you forget a password you have to type in every time you use the computer? Seems fishy to me.
Actually forgetting a password is pretty common since I barely use the firmware password part of the mac. and its okay i took it to apple and they fixed it

Quote from kakomu View Post :
Firmware Password isn't used every time the computer is used. Rather, it requires a password for several boot commands (e.g. booting from optical disc or booting into safe mode) or accessing the firmware in any way. Moreover, security through obfuscation is counter-intuitive, especially if someone has a legitimate problem.

That being said, here's instructions on resetting a firmware password:
http://osxdaily.com/2009/10/19/by...-password/

More info here:
http://www.securemac.com/openfirm...ection.php
Thanks it doesn't work on a 2011 MBP
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Last edited by ENFerrari April 9, 2012 at 01:22 PM
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