我的一亩三分地 我就喜欢!
13fen  设为主页
 收藏本站
 
当前位置: > 一亩三分地：首页 > 网络学院 > 网络编程 > ASP专区 > Asp未分类 > 纯猝使用VBScript来实现加密
热门文章排行
热门文章排行 手推车”功能的实现(10-07)
八大法则防范ASP网站漏洞(10-23)
ASP教程十一、调试ASP脚本(10-23)
在JSP中访问数据库大全(10-23)
虚机服务中常见Asp.Net低级错误一览(03-21)
精采文章排行
精采文章排行 ASP.NET实现抓取网页中的链接(11-15)
ASP连接数据库的11种方法(11-10)
如何动态创建网页的RSS内容摘要(11-10)
ASP网站漏洞及入侵防范方法(11-10)
ASP自定义函数：对字符串正则替换(11-10)
技术专题推荐
网管论坛交流
　

纯猝使用VBScript来实现加密 

作者:佚名   来源:一亩三分地   点击:   日期:2007-03-28
<%
'### To encrypt/decrypt include this code in your page
'### strMyEncryptedString = EncryptString(strString)
'### strMyDecryptedString = DeCryptString(strMyEncryptedString)
'### You are free to use this code as long as credits remain in place
'### also if you improve this code let me know.

Private Function EncryptString(strString)
'####################################################################
'### Crypt Function (C) 2001 by Slavic Kozyuk grindkore@yahoo.com ###
'### Arguments: strString <--- String you wish to encrypt         ###
'### Output: Encrypted HEX string                                 ###
'####################################################################

Dim CharHexSet, intStringLen, strTemp, strRAW, i, intKey, intOffSet
Randomize Timer

intKey = Round((RND * 1000000) + 1000000)   '##### Key Bitsize
intOffSet = Round((RND * 1000000) + 1000000)   '##### KeyOffSet Bitsize

If IsNull(strString) = False Then
strRAW = strString
intStringLen = Len(strRAW)

For i = 0 to intStringLen - 1
strTemp = Left(strRAW, 1)
strRAW = Right(strRAW, Len(strRAW) - 1)
CharHexSet = CharHexSet & Hex(Asc(strTemp) * intKey)
& Hex(intKey)
Next

EncryptString = CharHexSet & "|" & Hex(intOffSet + intKey) & "|" & Hex(intOffSet)
Else
EncryptString = ""
End If
End Function




Private Function DeCryptString(strCryptString)
'####################################################################
'### Crypt Function (C) 2001 by Slavic Kozyuk grindkore@yahoo.com ###
'### Arguments: Encrypted HEX stringt       ###
'### Output: Decrypted ASCII string                               ###
'####################################################################
'### Note this function uses HexConv() and get_hxno() functions   ###
'### so make sure they are not removed
  ###
'####################################################################

Dim strRAW, arHexCharSet, i, intKey, intOffSet, strRawKey, strHexCrypData


strRawKey = Right(strCryptString, Len(strCryptString) - InStr(strCryptString, "|"))
intOffSet = Right(strRawKey, Len(strRawKey) - InStr(strRawKey,"|"))
intKey = HexConv(Left(strRawKey, InStr(strRawKey, "|") - 1)) - HexConv(intOffSet)
strHexCrypData = Left(strCryptString, Len(strCryptString) - (Len(strRawKey) + 1))


arHexCharSet = Split(strHexCrypData, Hex(intKey))

For i=0 to UBound(arHexCharSet)
strRAW = strRAW & Chr(HexConv(arHexCharSet(i))/intKey)
Next

DeCryptString = strRAW
End Function



Private Function HexConv(hexVar)
Dim hxx, hxx_var, multiply
IF hexVar <> "" THEN
hexVar = UCASE(hexVar)
hexVar = StrReverse(hexVar)
DIM hx()
REDIM hx(LEN(hexVar))
hxx = 0
hxx_var = 0
FOR hxx = 1 TO LEN(hexVar)
IF multiply = "" THEN multiply = 1
hx(hxx) = mid(hexVar,hxx,1)
hxx_var = (get_hxno(hx(hxx)) * multiply) + hxx_var
multiply = (multiply * 16)
NEXT
hexVar = hxx_var
HexConv = hexVar
END IF
End Function

Private Function get_hxno(ghx)
If ghx = "A" Then
ghx = 10
ElseIf ghx = "B" Then
ghx = 11
ElseIf ghx = "C" Then
ghx = 12
ElseIf ghx = "D" Then
ghx = 13
ElseIf ghx = "E" Then
ghx = 14
ElseIf ghx = "F" Then
ghx = 15
End If
get_hxno = ghx
End Function


%>


【文章评论】 【收藏本文】 【推荐好友】 【打印本文】 【论坛讨论】

   相关文章:
·ASP中巧用Response属性 ·第六课:ASP脚本循环语句
·在 Web 页上使用条件数值格式 ·连接数据库查询手册（不仅仅适用于asp）
·警惕"给你的FileSystemObject对象加把锁" ·用ASP做全文检索

   文章评论:(条)
  
 请留名： 匿名评论   点击查看所有评论 网管论坛
 

  责任编辑:一分  声明：刊登此文章是为了传递更多信息,文章内容仅供参考,转载请注明出处。