本文介绍一种用CFS编码对函式库进行加密的方法。
<% '******************************************** '** '*CFS Encode Function* '** '*Produced by ASP-Zone* '** '*Main website is located at* '*http://asp.diy.com.tw/* '** '*E-MAIL:* '*[email protected]* '** '*Use this function:* '*<!--#include file="Codefun.fun" -->* '** '*2001/8/3* '** '******************************************** 'Encode Function Function CfsEnCode(CodeStr) Dim CodeLen Dim CodeSpace Dim NewCode CodeLen = 30 CodeSpace = CodeLen - Len(CodeStr) If Not CodeSpace < 1 Then For cecr = 1 To CodeSpace CodeStr = CodeStr & Chr(21) Next End If NewCode = 1 Dim Been For cecb = 1 To CodeLen Been = CodeLen Asc(Mid(CodeStr,cecb,1)) * cecb NewCode = NewCode * Been Next CodeStr = NewCode NewCode = Empty For cec = 1 To Len(CodeStr) NewCode = NewCode & CfsCode(Mid(CodeStr,cec,3)) Next For cec = 20 To Len(NewCode) - 18 Step 2 CfsEnCode = CfsEnCode & Mid(NewCode,cec,1) Next End Function Function CfsCode(Word) For cc = 1 To Len(Word) CfsCode = CfsCode & Asc(Mid(Word,cc,1)) Next CfsCode = Hex(CfsCode) End Function %>
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