Classic ASP中的简单加密/解密功能

Question

Classic ASP中是否有简单的加密/解密功能？

需要加密和解密的数据不是非常敏感。所以简单的功能就可以。

Answer 1

4guysfromrolla.com：RC4 Encryption Using ASP & VBScript

见附件页面的末端。

页面布局看起来有点破碎，但所有的信息都在那里。我通过使用bowser开发工具从DOM中删除了代码块来使它可读。

Answer 2

试试这个：

' Encrypt and decrypt functions for classic ASP (by TFI) 

'********* set a random string with random length *********** 
cryptkey = "GNQ?4i0-*\CldnU+[vrF1j1PcWeJfVv4QGBurFK6}*l[H1S:oY\v@U?i,oD]f/n8oFk6NesH--^PJeCLdp+(t8SVe:ewY(wR9p-CzG<,Q/(U*.pXDiz/KvnXP`BXnkgfeycb)1A4XKAa-2G}74Z8CqZ*A0P8E[S`6RfLwW+Pc}13U}_y0bfscJ<vkA[JC;0mEEuY4Q,([U*XRR}lYTE7A(O8KiF8>W/m1D*YoAlkBK@`3A)trZsO5xv@5@MRRFkt\" 

'**************************** ENCRYPT FUNCTION ****************************** 

'*** Note: bytes 255 and 0 are converted into the same character, in order to 
'*** avoid a char 0 which would terminate the string 

function encrypt(inputstr) 
     Dim i,x 
     outputstr="" 
     cc=0 
     for i=1 to len(inputstr) 
       x=asc(mid(inputstr,i,1)) 
       x=x-48 
       if x<0 then x=x+255 
       x=x+asc(mid(cryptkey,cc+1,1)) 
       if x>255 then x=x-255 
       outputstr=outputstr&chr(x) 
       cc=(cc+1) mod len(cryptkey) 
     next 
     encrypt=server.urlencode(replace(outputstr,"%","%25")) 
end function 

'**************************** DECRYPT FUNCTION ****************************** 

function decrypt(byval inputstr) 
     Dim i,x 
     inputstr=urldecode(inputstr) 
     outputstr="" 
     cc=0 
     for i=1 to len(inputstr) 
       x=asc(mid(inputstr,i,1)) 
       x=x-asc(mid(cryptkey,cc+1,1)) 
       if x<0 then x=x+255 
       x=x+48 
       if x>255 then x=x-255 
       outputstr=outputstr&chr(x) 
       cc=(cc+1) mod len(cryptkey) 
     next 
     decrypt=outputstr 
end function 

'**************************************************************************** 

Function URLDecode(sConvert) 
    Dim aSplit 
    Dim sOutput 
    Dim I 
    If IsNull(sConvert) Then 
     URLDecode = "" 
     Exit Function 
    End If 
    'sOutput = REPLACE(sConvert, "+", " ") ' convert all pluses to spaces 
    sOutput=sConvert 
    aSplit = Split(sOutput, "%") ' next convert %hexdigits to the character 
    If IsArray(aSplit) Then 
     sOutput = aSplit(0) 
     For I = 0 to UBound(aSplit) - 1 
      sOutput = sOutput & Chr("&H" & Left(aSplit(i + 1), 2)) & Right(aSplit(i + 1), Len(aSplit(i + 1)) - 2) 
     Next 
    End If 
    URLDecode = sOutput 
End Function