VBS hex-XOR or cryptographic implementation code

The file should not be too large, preferably not more than KB, the key do not use numbers, do not want to change. Theoretically supports any binary file format

Effect Chart:

The code is encapsulated into functions for easy invocation:

Copy Code code as follows:

Key = "Www-enun-net" ' Don't use numbers

WScript.Echo Now &, Encrypting: "
MyData = Readbin ("test.jpg")
Endata = Encoder (MyData)
Writebin "E_test.jpg", Endata
WScript.Echo Now &, Encrypting: "

WScript.Echo Now &, Decrypting: "
MyData = Readbin ("e_test.jpg")
Undata = Uncoder (MyData)
Writebin "U_test.jpg", Undata
WScript.Echo Now &, Decrypting: "

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 = no
 set objxml = Nothing
End function< /p>

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 = no
 set objxml = Nothing
End Function

Function encoder (Data)
 dim K, M
 for n = 0 to Len (Key)-1
  k = k & Asc ( Key, Len (key)-N, 1) & "#"
 next
 data = UCase (data)
 for i = 0 to Len (data)-1
 & nbsp M = Left (right (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
&NBSP;&NBSP;&NBSP;&NB Sp Uncoder = Uncoder & Chr (Split (K, "#") (j) Xor ("&h" & Mid (Data, I, 2))
   end If
   next
 next
End Function