Tema: Re: iphone 4 ar galaxy s2
Autorius: SAMas
Data: 2012-02-24 15:04:03
On 2012-02-24 12:45:10 +0000, padugne said:

> On Fri, 24 Feb 2012 12:37:36 +0200, Aladdin <rimvydas@rimvydas.info> wrote:
>>> Patekus i bootroma passcode nereikalingas. O jau is ten gali uzpust 
>>> gatavai jailbrokinta os.
> 
> Klausei apie iphone4. Bet seip tai ka manai daro tethered jailbreikai, 
> kurie dgzistuoja ir 4S?
> 
> 
>> Tai vis tik mes apie bootrom'a snekame? 4S bootrom'e kazkokia skyle 
>> turi? Galima kazkur apie tai paskaityti?
> 
> Kiekvienas tethered jailbreikas (kuriu kiek zinau yra ir 4S) skriaudzia 
> iphone bootinimo metu. Vienintelis budas tai padaryt yra ikist snapa i 
> bootloaderi.

Jeibreikinti tu tik gali su kompo ir laido pagalba, kitokiu budu nera, 
o tai reiskia kad jokia programele is pacio irenginio prie bootloaderio 
neprisikas.


> 
> 
>>> kas sake kad eina tik telefone?
>> 
>> Padarysiu copy paste del taves, aisku as ne ant edge.
>> 
>> However these protection mechanisms are not applicable at kernel level 
>> (AppleKeyStore method) and it leads to bruteforce attacks. To make 
>> brute force attacks less practical, passcode key derived from the user 
>> passcode is tied to hardware UID key. So the brute force can only be 
>> performed on the device and it is not possible to prepare pre compute 
>> values (like rainbow tables) offline.
>> 
>> Detalesnes info noresi ir turesi laiko - susirasi.
> 
> Bet tai nereiskia, kad mineto devaiso kejaus is principo negalima nuskaityt.
> 
> Anyway, nelabai aisku apie ka diskusija. Ar manai kad tokie dalykai 
> galimi tik iphone? Androide gi irgi yra sifruoti bootloaderiai su 
> sifruotom failinem sistemom beisi secure storidzu.


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