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Posted

This encryption is designed to only allow the decryption to be performed by the same user on the same machine. This can be changed by changing the passphrase. I wouldn't use this for anything of extreme importance, but it will keep simple passers by from reading your data. I hope :whistle:

Func Encrypt($UnCooked)
   Local $B, $S, $P
   Local $A1, $A2, $A3, $I, $j
   Local $Phrase = @ComputerName & @UserName;This is the passphase
   $j = 1
   For $I = 1 To StringLen($Phrase)
     $P = $P & Asc(StringMid($Phrase, $I, 1))
   Next

   For $I = 1 To StringLen($UnCooked)
     $A1 = Asc(StringMid($P, $j, 1))
     $j = $j + 1
     If $j > StringLen($P) Then $j = 1
     $A2 = Asc(stringMid($UnCooked, $I, 1))
     $A3 = BitXor($A1, $A2)
     $B = Hex($A3,2)
     If stringLen($B) < 2 Then $B = "0" + $B
     $S = $S & $B
   Next
   Return $S
EndFunc


Func Decrypt($Cooked)
   Local $Phrase = @ComputerName & @UserName;This is the passphase
   Local $B, $S, $P, $A1, $A2, $A3, $i, $j
   $j = 1
   For $i = 1 To StringLen($Phrase)
     $P = $P & Asc(StringMid($Phrase, $i, 1))
   Next

   For $i = 1 To StringLen($Cooked) Step 2
     $A1 = Asc(StringMid($P, $j, 1))
     $j = $j + 1
     If $j > StringLen($P) Then $j = 1
     $b = StringMid($Cooked, $i, 2)
     $A3 = Dec($b)
     $A2 = BitXor($A1, $A3)
     $S = $S & Chr($A2)
   Next
   Return $S
EndFunc
  • 2 months later...
Posted

coolness, though I'd suggest using the MAC address over the computername... I could rename my computer to something else and create a local user account with a duplicate name... but mac addresses are forever :D

"I'm not even supposed to be here today!" -Dante (Hicks)

Posted

but mac addresses are forever

Not Really, I can set my MAC address to anything I want.

Quick google search would show ya.

:D ?

No, I bought a new network card and the cable company sucks for changing MAC addresses.

Now with the days of (if I get the term right) WarDriving, the MAC address emulators are very common.

AutoIt3, the MACGYVER Pocket Knife for computers.

Posted

oh, really? well, nifty to know... harder still than just renaming.

"I'm not even supposed to be here today!" -Dante (Hicks)

Posted

What I know: There are 2 MAC-addresses.

one in your network card (hardcoded)

one in your modem (hardcoded)

Can you explain how your ISP operator can change your MAC?

  • 3 weeks later...
Posted

Hi,

I'm a beginner, and I search how to encrypt a INI file which contains parameters and that only Auto it could uncrypt to read parameters ..

If possible is ot possible with your script and how ?

Thanks

MooCan

Guest Ezzetabi why cant log in when re
Posted

What I know: There are 2 MAC-addresses.

one in your network card (hardcoded)

one in your modem (hardcoded)

Can you explain how your ISP operator can change your MAC?

The Mac hardcoded cant be changed,

but you can force Windows believe you have the Mac you want.

Just Smac it.

http://www.cypherspace.org/adam/rsa/idea.html

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