asp字符串加密解密函数
时间:2019-10-14 11:19 来源/作者:asp代码网
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<%
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A_Key=split("96,44,63,80",",") '定义密钥
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'*********加密的过程*********
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Function EnCrypt(m)
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Dim strChar,iKeyChar,iStringChar,I
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k=0
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for I = 1 to Len(m)
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iKeyChar =Cint(A_Key(k))
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iStringChar = Asc(mid(m,I,1)) '获取字符的ASCII码值
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iCryptChar = iKeyChar Xor iStringChar '进行异或运算
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'对密钥进行移位运算
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If k<3 Then
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k=k+1
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Else
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k=0
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End If
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c = c & Chr(iCryptChar)
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next
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EnCrypt = c
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End Function
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'*********解密的过程*********
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Function DeCrypt(c)
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Dim strChar, iKeyChar, iStringChar, I
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k=0
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for I = 1 to Len(c)
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iKeyChar =Cint(A_Key(k))
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iStringChar = Asc(mid(c,I,1))
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iDeCryptChar = iKeyChar Xor iStringChar '进行异或运算
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'对密钥进行移位运算
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If k<3 Then
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k=k+1
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Else
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k=0
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End If
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strDecrypted = strDecrypted & Chr(iDeCryptChar)
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next
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DeCrypt = strDecrypted
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End Function
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%>
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