文件不要過大，最好不要超過 100 KB，密鑰不要用數字，不想改了。理論上支持任何二進制文件格式

效果圖：

代碼都封裝成函數了，方便調用：

代碼如下:

Key = "www-enun-net" '不要用數字

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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