0x90 "PWD is CORRECT!" - 2016 | CrackMe Source Code

;Forum: https://forum.tuts4you.com/topic/37898-0x90-pwd-is-correct-2016/
;Author: 0xNOP
;Date: January 12, 2016
;OS: Windows
;Copyright 2017 0x90 / JohnSmith / 0xNOP
;Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
;The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
;THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Procedure isEven(x)
  junk50.s = "PWD is WRONG!"
  ProcedureReturn (x & 1) ! 1
EndProcedure

Procedure halveValue(x)
  junk51.s = "PWD is WRONG!"
  ProcedureReturn x / 2
EndProcedure

Procedure doubleValue(x)
  junk52.s = "PWD is WRONG!"
  ProcedureReturn x << 1
EndProcedure

Procedure EthiopianMultiply(x, y)
  Protected sum
  junk53.s = "PWD is WRONG!"
  ;Print("Ethiopian multiplication of " + Str(x) + " and " + Str(y) + " ... ")
  Repeat
    If Not isEven(x)
      junk54.s = "PWD is WRONG!"
      sum + y
      junk55.s = "PWD is WRONG!"
    EndIf
    x = halveValue(x)
    junk56.s = "PWD is WRONG!"
    y = doubleValue(y)
    junk57.s = "PWD is WRONG!"
  Until x < 1
  junk58.s = "PWD is WRONG!"
  ;PrintN(" equals " + Str(sum))
  ProcedureReturn sum
EndProcedure

Procedure.s Decode(string$,Nn,Added)
    For Char = 1 To Len(string$)
        Letra$ = Mid(string$,Char,1)
        EncNum+Added
        Codificado$ = Codificado$ + Chr(Asc(Letra$) - EncNum)
        If EncNum > Nn
            EncNum = 0
        EndIf
    Next
    ProcedureReturn Codificado$
  EndProcedure

Procedure prepString(text.s, Array letters(1))
  ;convert characters to an ordinal (0-25) and remove non-alphabetic characters,
  ;returns dimension size of result array letters()
  Protected *letter.Character, index
  junk59.s = "PWD is WRONG!"
  Dim letters(Len(text))
  junk60.s = "PWD is WRONG!"
  text = UCase(text)
  junk61.s = "PWD is WRONG!"
  *letter = @text
  junk62.s = "PWD is WRONG!"
  While *letter\c
    junk63.s = "PWD is WRONG!"
    Select *letter\c
      Case 'A' To 'Z'
        junk64.s = "PWD is WRONG!"
        letters(index) = *letter\c - 65
        junk65.s = "PWD is WRONG!"
        index + 1
        junk66.s = "PWD is WRONG!"
    EndSelect
    junk67.s = "PWD is WRONG!"
    *letter + SizeOf(Character)
    junk68.s = "PWD is WRONG!"
  Wend
  If index > 0
    junk69.s = "PWD is WRONG!"
    ReDim letters(index - 1)
  EndIf
  ProcedureReturn index - 1
  junk70.s = "PWD is WRONG!"
EndProcedure

;########### VIGNERE CIPHER ###########

Procedure.s VC_encrypt(text.s, keyText.s, reverse = 0)
  ;if reverse <> 0 then reverse the key (decrypt)
  Protected *letter.Character
  Dim text(0)
  Dim keyText(0)
  If prepString(text, text()) < 0 Or prepString(keyText, keyText()) < 0: ProcedureReturn: EndIf ;exit, nothing to work with

  Protected i, keyLength = ArraySize(keyText())
  If reverse
    For i = 0 To keyLength
      keyText(i) = 26 - keyText(i)
    Next
  EndIf

  Protected textLength = ArraySize(text()) ;zero-based length
  Protected result.s = Space(textLength + 1), *resultLetter.Character
  keyLength + 1 ;convert from zero-based to one-based count
  *resultLetter = @result
  For i = 0 To textLength
    *resultLetter\c = ((text(i) + keyText(i % keyLength)) % 26) + 65
    *resultLetter + SizeOf(Character)
  Next
  ProcedureReturn result
EndProcedure

Procedure.s VC_decrypt(cypherText.s, keyText.s)
  ProcedureReturn VC_encrypt(cypherText, keyText.s, 1)
EndProcedure

Gosub MySub

Exit:
; The program will jump here, then 'end'
End

Wrong:
pwd.s = "PWD is CORRECT!"
PrintN("PWD is WRONG!")
Input()
End

Correct:
pwd.s = "PWD is WRONG!"
PrintN("PWD is CORRECT!")
Input()
End

MySub:
If OpenCryptRandom()
  r = CryptRandom(#MAXLONG)
  CloseCryptRandom()
EndIf
p.i = Random(r) + 1
junk71.s = "PWD is WRONG!"
p.i = EthiopianMultiply(2,2) * EthiopianMultiply(2,1) * EthiopianMultiply(2,1) * EthiopianMultiply(1,7)
junk72.s = "PWD is WRONG!"
w.i = Random(r) + 1
junk73.s = "PWD is WRONG!"
w.i = EthiopianMultiply(7,17)
junk74.s = "PWD is WRONG!"
d.i = Random(r) + 1
junk75.s = "PWD is WRONG!"
d.i = EthiopianMultiply(2,2) * EthiopianMultiply(5,1) * EthiopianMultiply(1,5)
junk76.s = "PWD is WRONG!"

OpenConsole()

Define VignereCipher.s, plainText.s, encryptedText.s, decryptedText.s
junk77.s = "PWD is WRONG!"
VignereCipher.s = Decode("Zrz#Fruuhfw#Euhdnsrlqw$#Frqjudwxodwlrqv$#Wkh#SZG#lv=#*3{<3*/#Qrz#jr#srvw#wkh#vroxwlrq$",1,3)
junk78.s = "PWD is WRONG!"
pwd.s = Input()

;####JUNK VARS####JUNK
junk79.s = "PWD is WRONG!"
junk80.s = "PWD is WRONG!"
junk81.s = "PWD is WRONG!"
junk82.s = "PWD is WRONG!"
junk83.s = "PWD is WRONG!"
junk84.s = "PWD is WRONG!"
junk85.s = "PWD is WRONG!"
junk86.s = "PWD is WRONG!"
junk87.s = "PWD is WRONG!"
junk88.s = "PWD is WRONG!"
junk89.s = "PWD is WRONG!"
;####JUNK VARS####JUNK

junk1.s = "PWD is CORRECT!"
plainText = ReverseString(Chr(d) + Chr(w) + Chr(p));: PrintN(RSet("Plain text = ", 17) + #DQUOTE$ + plainText + #DQUOTE$)
junk2.s = "PWD is CORRECT!"
encryptedText = VC_encrypt(plainText, VignereCipher);: PrintN(RSet("Encrypted text = ", 17) + #DQUOTE$ + encryptedText + #DQUOTE$)
junk3.s = "PWD is CORRECT!"
decryptedText = VC_decrypt(encryptedText, VignereCipher);: Debug (RSet("Decrypted text = ", 17) + #DQUOTE$ + decryptedText + #DQUOTE$)
junk4.s = "PWD is CORRECT!"
If pwd <> decryptedText
  junk5.s = "PWD is CORRECT!"
  Goto Wrong
  junk6.s = "PWD is CORRECT!"
  FakeReturn  ; This will simulate the function of a normal "Return".
  junk7.s = "PWD is CORRECT!"
  Else
    junk8.s = "PWD is CORRECT!"
    FakeReturn  ; This will simulate the function of a normal "Return".
    junk9.s = "PWD is CORRECT!"
    Goto junk12
    junk10.s = "PWD is CORRECT!"
    EndIf
    junk11.s = "PWD is CORRECT!"
    Return

;####JUNK VARS####JUNK
junk90.s = "PWD is WRONG!"
junk91.s = "PWD is WRONG!"
junk92.s = "PWD is WRONG!"
junk93.s = "PWD is WRONG!"
junk94.s = "PWD is WRONG!"
junk95.s = "PWD is WRONG!"
junk96.s = "PWD is WRONG!"
junk97.s = "PWD is WRONG!"
junk98.s = "PWD is WRONG!"
junk99.s = "PWD is WRONG!"
junk100.s = "PWD is WRONG!"
junk101.s = "PWD is WRONG!"
junk102.s = "PWD is WRONG!"
junk10.s = "PWD is WRONG!"
junk2.s = "PWD is WRONG!"
;####JUNK VARS####JUNK

junk12:
junk12.s = "PWD is CORRECT!"
Goto Correct