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文件不要过大，最好不要超过 100 kb，密钥不要用数字，不想改了。理论上支持任何二进制文件格式

代码都封装成函数了，方便调用：

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