by Brandon Mulcahy & Unknown (1 Submission)
Category: Encryption
Compatability: VB.NET
Difficulty: Unknown Difficulty
Originally Published: Fri 11th July 2008
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
This function returns the Product Key for a Microsoft product (like Windows or Office), provided you supply the location of the
VBcoders
Dim HexBuf As Object = My.Computer.Registry.GetValue(KeyPath, ValueName, 0)
If HexBuf Is Nothing Then Return "N/A"
Dim tmp As String = ""
For l As Integer = LBound(HexBuf) To UBound(HexBuf)
tmp = tmp & " " & Hex(HexBuf(l))
Next
Dim StartOffset As Integer = 52
Dim EndOffset As Integer = 67
Dim Digits(24) As String
Digits(0) = "B" : Digits(1) = "C" : Digits(2) = "D" : Digits(3) = "F"
Digits(4) = "G" : Digits(5) = "H" : Digits(6) = "J" : Digits(7) = "K"
Digits(8) = "M" : Digits(9) = "P" : Digits(10) = "Q" : Digits(11) = "R"
Digits(12) = "T" : Digits(13) = "V" : Digits(14) = "W" : Digits(15) = "X"
Digits(16) = "Y" : Digits(17) = "2" : Digits(18) = "3" : Digits(19) = "4"
Digits(20) = "6" : Digits(21) = "7" : Digits(22) = "8" : Digits(23) = "9"
Dim dLen As Integer = 29
Dim sLen As Integer = 15
Dim HexDigitalPID(15) As String
Dim Des(30) As String
Dim tmp2 As String = ""
For i = StartOffset To EndOffset
HexDigitalPID(i - StartOffset) = HexBuf(i)
tmp2 = tmp2 & " " & Hex(HexDigitalPID(i - StartOffset))
Next
Dim KEYSTRING As String = ""
For i As Integer = dLen - 1 To 0 Step -1
If ((i + 1) Mod 6) = 0 Then
Des(i) = "-"
KEYSTRING = KEYSTRING & "-"
Else
Dim HN As Integer = 0
For N As Integer = (sLen - 1) To 0 Step -1
Dim Value As Integer = ((HN * 2 ^ 8) Or HexDigitalPID(N))
HexDigitalPID(N) = Value \ 24
HN = (Value Mod 24)
Next
Des(i) = Digits(HN)
KEYSTRING = KEYSTRING & Digits(HN)
End If
Next
Return StrReverse(KEYSTRING)
End Function
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