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KeyGen_Me [c++]


skylark

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Difficulty : 3/10
Language : C++
Platform : Windows [coded and tested on Win7 32bit]
OS Version : All
Packer / Protector : None

Description :

I coded a keygen_me for my own practice, but I want you people to try and give me few opinions. Like, for a well-skilled programmer/reverser, how easy or hard it is, how much time did it take to solve it, or what ways I could have followed to make a more tricky crackme. I would be very much grateful if anyone tries it and gives me some opinions.

It's mainly a keygenme, but cracking is allowed too. If you are well skilled, then you should head for keygenning. There is also an option to see detailed information inside the keygenme. No additional rule, but it might be clean and tidy if you can generate only alphanumeric keys, nonetheless, punctuation characters are accepted too in valid passwords.

Screenshot :

pkmSAbM.png

KeyGen_me.zip

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  • 2 weeks later...
On 7/17/2017 at 8:52 PM, Hero said:

Well, that was easy. Took about 4 hours to figure out how the algorithm works.

Well, you have got the algorithm (nice work), but you are supposed to make a keygen. Like, I click a button or press enter, and one key appears in a textbox/console output or something like that.

  • Like 1
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On 19.7.2017 at 10:21 AM, skylark said:

Well, you have got the algorithm (nice work), but you are supposed to make a keygen. Like, I click a button or press enter, and one key appears in a textbox/console output or something like that.

There you go.

 

keygen.zip

Edited by Hero
Wrong keygen replaced
  • Like 3
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