繁體中文当前位置: 首页 > 图文教程 > 网络编程 > ASP > 纯猝使用VBScript来实现加密
- ASP
- ASP视频教程:后台页面加入限制访问和禁用缓存功能
- ASP视频教程:制作网站前台首页
- ASP视频教程:备份和还原SQL Server 2000数据库
- ASP实例教程:asp无限级显示分类代码
- IIS无法启动错误的几种情况汇总
- asp Http_Referer,Server_Name和Http_Host
- ASP 调用带参数输出的COM接口
- 隐藏修改文件时间和文件属性的ASP脚本
- ASP Crazy 模版操作类(最简单的模板类、仅提供交流)
- asp 动态数组 提供Add、Insert、Remove、RemoveAt、Search等方法。
- asp 取一个数的整数 但不是四舍五入，只要有小数，就取大于这个数的整数
- asp 判断上传文件中是否存在危险代码
- asp 获取url函数小结
- ASP 调用dll及封装dll实例
- asp 实现的冒泡排序程序
- asp 自定义分段函数/求第N名成绩
- ASP 高级模板引擎实现类
- ASP 常见的连接字符串写法(access2007)
- ASP向Excel导数据(图片)终结版 ASP操作Excel
- ASP实现防止网站被采集代码
ASP 中的 纯猝使用VBScript来实现加密
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-03 浏览: 247 ::
收藏到网摘: n/a
'### 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 [email protected] ###
'### 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 [email protected] ###
'### 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
hexVa
评论 (0) All
