ASP可逆算法

2012 年 12 月 17 日4200

ASP可逆算法

日期:2007年4月27日 作者:


unction encrypt(ecode)
  Dim texts
  dim i

for i=1 to len(ecode)
  texts=texts & chr(asc(mid(ecode,i,1))+i)
  next
   encrypt = texts
  end function
  function decrypt(dcode)
   dim texts
  dim i
  for i=1 to len(dcode)
  texts=texts & chr(asc(mid(dcode,i,1))-i)
  next
  decrypt=texts
  end function
  function mistake(preString)
   Dim texts
   Dim seed
  Dim i,length
  prestring = trim(preString)
length = len(preString)
seed = length
Randomize(length)
texts = ""
for i = 1 to length
seed = int(94*rnd(-asc(mid(preString,i,1))-seed*asc(right(prestring,1)))+32)
texts = texts & chr(seed) & chr(int(94*rnd(-seed)+32))
next
  dim dist
  dist=""
  for i = 1 to len(texts)
   if mid(texts,i,1)<>"'" then
dist=dist+mid(texts,i,1)
end if
   next
   mistake = dist
  end function


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