Function GetRegCode(JQM As String) As String
y& = 1
For i& = 1 To Len(JQM)
n& = Asc(Mid(JQM, i, 1)) Xor (y \ 256)
GetRegCode = GetRegCode & Chr(n)
y = (n + y) * 2 + 3
Next
End Function
Private Sub Form_Load()
InputBox "注册码为:", "请复制", GetRegCode("078BFBFF")
End
End Sub