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Old 05-23-2007, 11:56 AM   #16
Registered: Jun 2006
Distribution: Debian, Ubuntu, Windows XP
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But isn't it possible to find out the encryption method, create the corresponding decryption method and use it?
I mean the source code of the encyption program can be found and the encryption key used must be somewhere after all.
Maybe I'll do some research on the encryption used when I have some free time to see if I can figure out how to crack my own password.
Old 05-23-2007, 12:08 PM   #17
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Maybe I'll do some research on the encryption used when I have some free time to see if I can figure out how to crack my own password.
The math used in strong encryption works one-way only. I. e. you can encrypt something using a known algorithm and key, decrypting using same algo and key will give an incorrect result, even more, the result will be different every time you calculate it. It's simplified, but I hope you get the idea.
Old 05-23-2007, 12:45 PM   #18
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Registered: Nov 2006
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Encrypting is probably the wrong word. Hashing would be more proper. The last time I was involved in a project that stored passwords, we stored the MD5 hash in the password database. During login, we hashed the incoming password and compared it to what was in the database.
Old 08-21-2007, 11:00 PM   #19
Registered: Nov 2005
Location: Enid Ok
Distribution: ubuntu 64 , debian , fedora core , vista ultimate 64, Winows 7 64 ultimate :p
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Not to bring up something that is really old or anything but, All you would have to do to get the pc to boot from the cd is cut all power to the pc and remove the batterie
Old 08-26-2007, 04:59 AM   #20
Registered: Jul 2006
Location: Qld
Distribution: Debian sid, Ubuntu
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Some bios store password in e^2 / Flash, so removing battery not always effective. Obvious => Replace bios chip.
I don't think there is any PC that you just can't make it boot.
regards.... andrew.


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