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ASP 中的 asp字符串加密解密函数
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-13 浏览: 365 ::
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<%
A_Key=split("96,44,63,80",",") '定义密钥
'*********加密的过程*********
Function EnCrypt(m)
Dim strChar,iKeyChar,iStringChar,I
k=0
for I = 1 to Len(m)
iKeyChar =Cint(A_Key(k))
iStringChar = Asc(mid(m,I,1)) '获取字符的ASCII码值
iCryptChar = iKeyChar Xor iStringChar '进行异或运算
'对密钥进行移位运算
If k<3 Then
k=k+1
Else
k=0
End If
c = c & Chr(iCryptChar)
next
EnCrypt = c
End Function
'*********解密的过程*********
Function DeCrypt(c)
Dim strChar, iKeyChar, iStringChar, I
k=0
for I = 1 to Len(c)
iKeyChar =Cint(A_Key(k))
iStringChar = Asc(mid(c,I,1))
iDeCryptChar = iKeyChar Xor iStringChar '进行异或运算
'对密钥进行移位运算
If k<3 Then
k=k+1
Else
k=0
End If
strDecrypted = strDecrypted & Chr(iDeCryptChar)
next
DeCrypt = strDecrypted
End Function
%>
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