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Ò»¹²4¸öÒ³Ã棺form.asp; chk.asp; num.asp; count.asp
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form.asp
<%
'### 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
%>
<%
randomize
num = int(7999*rnd+2000) '¼ÆÊýÆ÷µÄÖµ
num2 = EncryptString(num)
session("pwdt")=num
%>
<form action="chk.asp" method=post>
ÇëÊäÈëÑéÖ¤Â룺 <input type="text" name="pwds">
<img src="count.asp?sksid=<%=num2%>"> <input type=submit value=Ìá½»>
</form>
chk.asp
<%
if trim(request.form("pwds"))<>trim(session("pwdt")) then
%>
ÊäÈë´íÎó£º Ó¦¸ÃΪ£º<%=session("pwdt")%>£¬¿ÉÄãÊäÈëµÄÊÇ:<%=request.form("pwds")%>
<%
else
%>
ÊäÈëÕýÈ·
<%end if%>
count.asp
<!--#include file="num.asp"-->
<%
'### 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
%>

<%
Dim Image
Dim Width, Height
Dim num
Dim digtal
Dim Length
Dim sort
Length = 4 '×Ô¶¨¼ÆÊýÆ÷³¤¶È
Redim sort( Length )
num=cint(DeCryptString(request.querystring("sksid")))
digital = ""
For I = 1 To Length -Len( num ) '²¹0
    digital = digital & "0"
Next
For I = 1 To Len( num )
    digital = digital & Mid( num, I, 1 )
Next
For I = 1 To Len( digital )
    sort(I) = Mid( digital, I, 1 )
Next
Width = 8 * Len( digital ) 'ͼÏñµÄ¿í¶È
Height = 10 'ͼÏñµÄ¸ß¶È£¬ÔÚ±¾ÀýÖÐΪ¹Ì¶¨Öµ
Response.ContentType="image/x-xbitmap"
hc=chr(13) & chr(10)
Image = "#define counter_width " & Width & hc
Image = Image & "#define counter_height " & Height & hc
Image = Image & "static unsigned char counter_bits[]={" & hc
For I = 1 To Height
    For J = 1 To Length
        Image = Image & a(sort(J),I) & ","
    Next
Next
Image = Left( Image, Len( Image ) - 1 ) 'È¥µô×îºóÒ»¸ö¶ººÅ
Image = Image & "};" & hc
%>
<%
Response.Write Image
%>
num.asp
<%
Dim a(10,10)
a(0,1) = "0x3c" 'Êý×Ö0
a(0,2) = "0x66"
a(0,3) = "0xc3"
a(0,4) = "0xc3"
a(0,5) = "0xc3"
a(0,6) = "0xc3"
a(0,7) = "0xc3"
a(0,8) = "0xc3"
a(0,9) = "0x66"
a(0,10)= "0x3c"
a(1,1) = "0x18" 'Êý×Ö1
a(1,2) = "0x1c"
a(1,3) = "0x18"
a(1,4) = "0x18"
a(1,5) = "0x18"
a(1,6) = "0x18"
a(1,7) = "0x18"
a(1,8) = "0x18"
a(1,9) = "0x18"
a(0,10)= "0x7e"

a(2,1) = "0x3c" 'Êý×Ö2
a(2,2) = "0x66"
a(2,3) = "0x60"
a(2,4) = "0x60"
a(2,5) = "0x30"
a(2,6) = "0x18"
a(2,7) = "0x0c"
a(2,8) = "0x06"
a(2,9) = "0x06"
a(2,10)= "0x7e"
a(3,1) = "0x3c" 'Êý×Ö3
a(3,2) = "0x66"
a(3,3) = "0xc0"
a(3,4) = "0x60"
a(3,5) = "0x1c"
a(3,6) = "0x60"
a(3,7) = "0xc0"
a(3,8) = "0xc0"
a(3,9) = "0x66"
a(3,10)= "0x38"
a(4,1) = "0x38" 'Êý×Ö4
a(4,2) = "0x3c"
a(4,3) = "0x36"
a(4,4) = "0x33"
a(4,5) = "0x33"
a(4,6) = "0x33"
a(4,7) = "0xff"
a(4,8) = "0x30"
a(4,9) = "0x30"
a(4,10)= "0xfe"
a(5,1) = "0xfe" 'Êý×Ö5
a(5,2) = "0xfe"
a(5,3) = "0x06"
a(5,4) = "0x06"
a(5,5) = "0x3e"
a(5,6) = "0x60"
a(5,7) = "0xc0"
a(5,8) = "0xc3"
a(5,9) = "0x66"
a(5,10)= "0x3c"
a(6,1) = "0x60" 'Êý×Ö6
a(6,2) = "0x30"
a(6,3) = "0x18"
a(6,4) = "0x0c"
a(6,5) = "0x3e"
a(6,6) = "0x63"
a(6,7) = "0xc3"
a(6,8) = "0xc3"
a(6,9) = "0x66"
a(6,10) ="0x3c"
a(7,1) = "0xff" 'Êý×Ö7
a(7,2) = "0xc0"
a(7,3) = "0x60"
a(7,4) = "0x30"
a(7,5) = "0x18"
a(7,6) = "0x18"
a(7,7) = "0x18"
a(7,8) = "0x18"
a(7,9) = "0x18"
a(7,10)= "0x18"
a(8,1) = "0x3c" 'Êý×Ö8
a(8,2) = "0x66"
a(8,3) = "0xc3"
a(8,4) = "0x66"
a(8,5) = "0x3c"
a(8,6) = "0x66"
a(8,7) = "0xc3"
a(8,8) = "0xc3"
a(8,9) = "0x66"
a(8,10)= "0x3c"
a(9,1) = "0x3c" 'Êý×Ö9
a(9,2) = "0x66"
a(9,3) = "0xc3"
a(9,4) = "0xc3"
a(9,5) = "0x66"
a(9,6) = "0x3c"
a(9,7) = "0x18"
a(9,8) = "0x0c"
a(9,9) = "0x06"
a(9,10)= "0x03"
%>