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Guy locked-up forever for forgetting his password.
#51
RE: Guy locked-up forever for forgetting his password.
(June 25, 2016 at 11:32 am)Jehanne Wrote:
(June 25, 2016 at 11:28 am)Aoi Magi Wrote: Are feds really not able to crack a harddisk password on their own? Apple needs to buy whatever encryption tech that guy used...

He was using a MacIntosh and Apples' "vault" file encryption.

You can crack through that encryption since 2012 and 2013

https://www.whitehatsec.com/blog/crackin...lf-pwnage/

If anything they should get a white hack to break his password too see whats on those drives
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#52
RE: Guy locked-up forever for forgetting his password.
(June 26, 2016 at 1:17 pm)dyresand Wrote:
(June 25, 2016 at 11:32 am)Jehanne Wrote: He was using a MacIntosh and Apples' "vault" file encryption.

You can crack through that encryption since 2012 and 2013

https://www.whitehatsec.com/blog/crackin...lf-pwnage/

If anything they should get a white hack to break his password too see whats on those drives

They used a brute force method to get his password.  As I said above, it has been revealed that the NSA can try a trillion guesses per second.  If my password is "Apollo", it wont' take long for someone to crack that using offline methods.
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#53
RE: Guy locked-up forever for forgetting his password.
(June 26, 2016 at 1:17 pm)dyresand Wrote:
(June 25, 2016 at 11:32 am)Jehanne Wrote: He was using a MacIntosh and Apples' "vault" file encryption.

You can crack through that encryption since 2012 and 2013

https://www.whitehatsec.com/blog/crackin...lf-pwnage/

If anything they should get a white hack to break his password too see whats on those drives

If you read the article, the guy knew at least some of the password, so he only had to try 22472 attempts.

Its not even remotely comparable to this instance.
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#54
RE: Guy locked-up forever for forgetting his password.
(June 26, 2016 at 1:29 pm)Jehanne Wrote:
(June 26, 2016 at 1:17 pm)dyresand Wrote: You can crack through that encryption since 2012 and 2013

https://www.whitehatsec.com/blog/crackin...lf-pwnage/

If anything they should get a white hack to break his password too see whats on those drives

They used a brute force method to get his password.  As I said above, it has been revealed that the NSA can try a trillion guesses per second.  If my password is "Apollo", it wont' take long for someone to crack that using offline methods.

The problem with that NSA figure is its not quantified. What hashing algorithm is that number based on? Generating a SHA1 hash is much quicker than generating a SHA3 hash for instance, and that's not even accounting for the number of iterations. The FileVault key is generated from 250,000 iterations of a SHA1 based algorithm. For each guess, you have to run SHA1 250,000 times. That massively increases the time it takes to crack the hash.
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#55
RE: Guy locked-up forever for forgetting his password.
Details of this particular case aside, I have a serious ethical issue regarding keeping people locked up indefinitely without formal charges, probably because it's happened to me. If the authorities want into this man's computer, I rather think it should be up to them - not him- to get into it. Declining to help the courts convict him should not be grounds for incarceration.

Boru
‘But it does me no injury for my neighbour to say there are twenty gods or no gods. It neither picks my pocket nor breaks my leg.’ - Thomas Jefferson
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#56
RE: Guy locked-up forever for forgetting his password.
(June 26, 2016 at 2:09 pm)Tiberius Wrote:
(June 26, 2016 at 1:29 pm)Jehanne Wrote: They used a brute force method to get his password.  As I said above, it has been revealed that the NSA can try a trillion guesses per second.  If my password is "Apollo", it wont' take long for someone to crack that using offline methods.

The problem with that NSA figure is its not quantified. What hashing algorithm is that number based on? Generating a SHA1 hash is much quicker than generating a SHA3 hash for instance, and that's not even accounting for the number of iterations. The FileVault key is generated from 250,000 iterations of a SHA1 based algorithm. For each guess, you have to run SHA1 250,000 times. That massively increases the time it takes to crack the hash.

I assume that they are running a dictionary attack with as many "common variants" as possible.
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