VBS如何实现十六进制异或加密

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效果图：

代码都封装成函数了，方便调用：

复制代码 代码如下:

Key = "www-enun-net" '不要用数字

Wscript.echo now & ", 加密: "
MyData = ReadBin("test.jpg")
EnData = Encoder(MyData)
WriteBin "E_test.jpg", EnData
Wscript.echo now & ", 加密: "

Wscript.echo now & ", 解密: "
MyData = ReadBin("E_test.jpg")
UnData = Uncoder(MyData)
WriteBin "U_test.jpg", UnData
Wscript.echo now & ", 解密: "

Function ReadBin(FileName)
 Dim Stream, ObjXML, MyNode
 Set ObjXML = CreateObject("Microsoft.XMLDOM")
 Set MyNode = ObjXML.CreateElement("binary")
 Set Stream = CreateObject("ADODB.Stream")
 MyNode.DataType = "bin.hex"
 Stream.Type = 1
 Stream.Open
 Stream.LoadFromFile FileName
 MyNode.NodeTypedValue = Stream.Read
 Stream.Close
 ReadBin = MyNode.Text
 Set MyNode = Nothing
 Set Stream = Nothing
 Set ObjXML = Nothing
End Function

Function WriteBin(FileName, BufferData)
 Dim Stream, ObjXML, MyNode
 Set ObjXML = CreateObject("Microsoft.XMLDOM")
 Set MyNode = ObjXML.CreateElement("binary")
 Set Stream = CreateObject("ADODB.Stream")
 MyNode.DataType = "bin.hex"
 MyNode.Text = BufferData
 Stream.Type = 1
 Stream.Open
 Stream.Write MyNode.NodeTypedValue
 Stream.SaveToFile FileName, 2
 Stream.Close
 Set stream = Nothing
 Set MyNode = Nothing
 Set ObjXML = Nothing
End Function

Function Encoder(Data)
 Dim K, M
 For n = 0 To Len(Key)-1
  K = K & Asc(Left(Right(key, Len(Key)-n), 1)) & "#"
 Next
 Data = UCase(Data)
 For i = 0 To Len(Data)-1
  M = Left(Right(Mid(Data, i+1, 1), Len(Data)-i), 1)
  For j = 0 To Len(Key)-1
   If i Mod Len(Key) = j  Then
    Encoder = Encoder & Hex((Asc(M) Xor Split(K, "#")(j)))
   End If
  Next
 Next
End Function

Function Uncoder(Data)
 Dim K
 For n = 0 To Len(Key)-1
  K = K & "#" & Asc(Left(Right(key, Len(Key)-n), 1)) & "#X"
 Next
 K = K & K
 Data = UCase(Data)
 For i = 1 To Len(Data) Step 2
  For j = 1 To Len(Key) * 2
   If i Mod Len(Key)*2 = j  Then
    Uncoder = Uncoder & Chr(Split(K, "#")(j) Xor ("&H" & Mid(Data, i, 2)))
   End If
  Next
 Next
End Function

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