Here's a code snip from the Parole website from the wayback machine. Not sure what doors these would work for, but here.
Here is the source code for the WCXReg serial number algorithm.

Private Sub Cmd_Compute_Click()
SHARED OltRegNum&, CEventRegNum&, SexTrvRegNum&, AdRegNum&
SHARED BBSName$, BBSReg$, C4MRegNum&, M4WRegNum&, SysPakRegNum&
Dim Sum&
Dim RegSum&
BBSUp$ = UCase$(BBSName$)
BBSLow$ = LCase$(BBSName$)

'Online Trivia
If Chk_Olt.Value Then
Sum = 0
RegSum = 0
For j = 1 To Len(BBSName$)
Sum& = Sum& + Asc(Mid$(BBSUp$, j, 1))
Next
For j = 1 To Len(BBSReg$)
RegSum& = RegSum& + Asc(Mid$(BBSReg$, j, 1))
Next
OltRegNum& = 56 * (Sum& + RegSum&) * 74 - (RegSum& * 3)
Txt_OLTReg.Text = Format$(OltRegNum&, NumFmt)
End If
'Sex Trivia
If Chk_Sex.Value Then
Sum& = 0
RegSum& = 0
For j = 1 To Len(BBSName$)
Sum& = Sum& + Asc(Mid$(BBSUp$, j, 1))
Next
For j = 1 To Len(BBSReg$)
RegSum& = RegSum& + Asc(Mid$(UCase$(BBSReg$), j, 1))
Next
'j = LEN(BBSName$)
SexTrvRegNum& = 28 * (Sum& + RegSum&) * 34 - (RegSum& * 4)
Txt_Sex.Text = Format$(SexTrvRegNum&, NumFmt)
End If

'Current Events
If Chk_Cevent.Value Then
Sum& = 0
RegSum& = 0
For j = 1 To Len(BBSName$)
Sum& = Sum& + Asc(Mid$(BBSLow$, j, 1))
Next
For j = 1 To Len(BBSReg$)
RegSum& = RegSum& + Asc(Mid$(LCase$(BBSReg$), j, 1))
Next
j = Len(BBSName$)
CEventRegNum& = j * (Sum& + j) * 43 + (Int(Sqr(Sum&)) * 22) + RegSum&
Txt_Cevent.Text = Format$(CEventRegNum&, NumFmt)
End If

'Classified Ads
If Chk_Ad.Value Then
Sum& = 0
RegSum& = 0
For j = 1 To Len(BBSName$)
Sum& = Sum& + Asc(Mid$(BBSLow$, j, 1))
Next
For j = 1 To Len(BBSReg$)
RegSum& = RegSum& + Asc(Mid$(LCase$(BBSReg$), j, 1))
Next
j = Len(BBSName$)
AdRegNum& = j * (Sum& + j) * 34 + (Int(Sqr(Sum&)) * 18) + RegSum& - 4
Txt_Ad.Text = Format$(AdRegNum&, NumFmt)
End If

'Chk4Mail
If Chk_C4M.Value Then
Sum& = 0
RegSum& = 0
Work$ = LTrim$(RTrim$(BBSUp$)) + LTrim$(RTrim$(BBSReg$))
For j = 1 To Len(Work$)
Sum& = Sum& + Asc(Mid$(Work$, j, 1))
Next
C4MRegNum& = Sum& * (Len(Work$) * 45) + (Sum& - 1234)
Txt_C4M.Text = Format$(C4MRegNum&, NumFmt)
End If
'Mail4Ward
If Chk_M4W.Value Then
Sum& = 0
RegSum& = 0
Work$ = LTrim$(RTrim$(BBSUp$)) + LTrim$(RTrim$(BBSReg$))
For j = 1 To Len(Work$)
Sum& = Sum& + Asc(Mid$(Work$, j, 1))
Next
M4WRegNum& = Sum& * (Len(Work$) * 54) + (Sum& + 4321)
Txt_M4W.Text = Format$(M4WRegNum&, NumFmt)
End If

'SysOp Plus Pak
If Chk_SysPak.Value Then
Sum& = 0
RegSum& = 0
Work$ = LTrim$(RTrim$(BBSUp$)) + LTrim$(RTrim$(BBSReg$))
For j = 1 To Len(Work$)
Sum& = Sum& + Asc(Mid$(Work$, j, 1))
Next
mult% = Asc(Mid$(Work$, 6, 1))
SysPakRegNum& = mult% * (Sum& * Len(Work$) + 389) * Len(LTrim$(RTrim$(BBSUp$)))
Txt_SysPak.Text = Format$(SysPakRegNum&, NumFmt)
End If

End Sub

--- WWIV 5.8.1.3688[Windows]
* Origin: Inland Utopia BBS * iutopia.duckdns.org:2023 (1:218/109)