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The Shadow
Registered: Oct 2007
Posts: 304 |
EOR file coders
Someone once told me that it is impossible to open a file which was coded with an EOR coder. With todays machines, is there any conceivable way that an EOR coded file can be placed into a PC and descrambled? |
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AlexC
Registered: Jan 2008
Posts: 299 |
Quote: I would think that this is the first, but you never know... :)
I didn't have time to really look at it but peeking at decryption loop I can confirm that I've never seen it on c64 - at least not in protection code. |
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tlr
Registered: Sep 2003
Posts: 1790 |
I posted the answer now.
The encryption algorithm implemented is AES-128 (ECB). |
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AlexC
Registered: Jan 2008
Posts: 299 |
Quote: I posted the answer now.
The encryption algorithm implemented is AES-128 (ECB).
Damn! I whish I had more time to really take a look at it before you posted the answer. Great challenge BTW :D |
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Quetzal
Registered: Jul 2002
Posts: 71 |
It seems that there are a number of us who enjoy this sort of challenge, so what I'm wondering is this: Are there any old encrypted productions that still have not had their protection broken yet? And if you know of one, post the link here so it can be seen to.
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AlexC
Registered: Jan 2008
Posts: 299 |
Quote: It seems that there are a number of us who enjoy this sort of challenge, so what I'm wondering is this: Are there any old encrypted productions that still have not had their protection broken yet? And if you know of one, post the link here so it can be seen to.
I don't think there is much left to crack - this why new releases are more fixes and crunchning, unless somebody will code a new challenge. |
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tlr
Registered: Sep 2003
Posts: 1790 |
Quote: I don't think there is much left to crack - this why new releases are more fixes and crunchning, unless somebody will code a new challenge.
Something tells me you can expect one tomorrow... ;) |
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AlexC
Registered: Jan 2008
Posts: 299 |
Quote: Something tells me you can expect one tomorrow... ;)
Cool - I'm working right now on something different - not encryption based code to crack but some protection based on different tricks. |
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Ymgve
Registered: May 2002
Posts: 84 |
Shame on you, tlr - you uploaded Crack me too! and didn't post it here :) |
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Ymgve
Registered: May 2002
Posts: 84 |
nevermind |
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tlr
Registered: Sep 2003
Posts: 1790 |
Only Ymgve has cracked it.
Are you really going to let him be the only one? ;) |
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