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
- 使用索引服务器 - 创建ASP页面
- 使用索引服务器 - 增加属性
- 用TDC建立自己的数据库格式
- 较长text型数据无法在Asp页面中取出的解决办法
- 用ASP控制Flash
- 计算ASP页面的载入时间
- 页面延迟的两个简单方法
- 将ASP生成的内容写入响应流中最有效的方法
- 如何使用asp创建dsn?
- 清除浏览器历史记录代码
- 不离开页面刷新数据
- 得到表中字段属性代码
- 用js制作完善的日，月组合下拉框.
- WEB页面实现淡入淡出菜单
- 不用组件来实现StrCat函数的功能
- 不用java的垂直滚动看板
- 使用Server.scripttimeout来减少ASP意外错误而使务器瘫痪
- ODBC Drivers错误80004005的解决办法
- 用ASP方式实现动态伸缩形式列表主页
- 如何使ASP程序暂停指定的时间后再继续执行
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: 67 ::
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
