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Thread: Codebreaking (A CHALLENGE)

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    Codebreaking (A CHALLENGE)

    Hi all,

    A few days ago Dimitri (aka Dimava) sent me an exe file (attached in a zip) where you enter in a 5 letter keyword and it would output a 5 letter password. Now the problem is that the program was made in 1992 and the src is no longer around, yet dimitri needs to know the algorithm for creating the password from the keyword.

    I have attached the program and i have also some notes from me playing around with it:

    (key) = (pass)
    AAAAA = UWKWP
    AAABA = TWKWP
    AAACA = SWKWP
    AAADA = ZWKWP

    BBBAB = UXHZS
    BBBBB = TXHZS
    BBBCB = SXHZS
    BBBDB = ZXHZS

    CCCAC = UYIYR
    CCCBC = TYIYR
    CCCCC = SYIYR
    CCCDC = ZYIYR

    DDDAD = URFBU
    DDDBD = TRFBU
    DDDCD = SRFBU
    DDDDD = ZRFBU

    If you look at the above list you can see that the letter 4th along in the keyword some how by changing that it relates to the first letter of the password so like A seems to match to U and B to T. I have a few more notes too)

    Can anyone help to attempt to crack the keyword to password algorithm ?
    Attached Files Attached Files

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