加入收藏 | 设为首页 | 会员中心 | 我要投稿 聊城站长网 (https://www.0635zz.com/)- 智能语音交互、行业智能、AI应用、云计算、5G!
当前位置: 首页 > 站长学院 > Asp教程 > 正文

asp生成彩票中奖码而不用数据库

发布时间:2023-05-25 13:23:45 所属栏目:Asp教程 来源:
导读:有一个思路是:将一批唯一中奖码,录入的到数据库,中奖时,取出来一条,做一个标记,把中奖码告诉

恭喜您,您中奖了,你的中奖码是(请牢记,领奖需要):XXXXXXXXXXX

然后用户输入XXXXXX
有一个思路是:将一批唯一中奖码,录入的到数据库,中奖时,取出来一条,做一个标记,把中奖码告诉
 
恭喜您,您中奖了,你的中奖码是(请牢记,领奖需要):XXXXXXXXXXX
 
然后用户输入XXXXXXXXXXX,简单验证后就可以领奖了。
 
你使用过这样的功能,或者有没有想开发一个这样的功能呢?
 
有一个思路是:将一批唯一中奖码,录入的到数据库,中奖时,取出来一条,做一个标记,把中奖码告诉
 
用户。
 
但是这样要先将一批中奖码录入到数据库中,有没有其他方法呢?
 
比如:200807151054281502895e585d7e4b529e,能不能做到:不到数据库中查询验证就可以确认这个中奖
 
码是不是有效(不是伪造)的呢?
 
我有一个思路,如果愿意,请听我说一下:)
 
比如这个中奖码:200807151054281502895e585d7e4b529e
 
他有三部分组成
 
20080715105428 1502 895e585d7e4b529e
 
20080715105428 是年月日时分秒YYYYMMDDhhmmss
 
1502 是四位随机数,防止第一部分重复
 
895e585d7e4b529e 前两部分+PrivateKey的 MD5 16位的值
 
一句话:中奖码的前18位和后16位是有关系的
 
这样,只要别人猜不到你的PrivateKey,就伪造不了你的中奖码。
 
不足之处,这个中奖码长了点:(
 
 
 
代码如下:
 
getkey() 返回一个唯一的中奖码
 
ckkey(s) 验证中奖码是否有奖
 
复制代码代码如下:
 
<%
 
Private Const BITS_TO_A_BYTE = 8
 
Private Const BYTES_TO_A_WORD = 4
 
Private Const BITS_TO_A_WORD = 32
 
Private m_lOnBits(30)
 
Private m_l2Power(30)
 
Private Function LShift(lValue, iShiftBits)
 
If iShiftBits = 0 Then
 
LShift = lValue
 
Exit Function
 
ElseIf iShiftBits = 31 Then
 
If lValue And 1 Then
 
LShift = &H80000000
 
Else
 
LShift = 0
 
End If
 
Exit Function
 
ElseIf iShiftBits < 0 Or iShiftBits > 31 Then
 
Err.Raise 6
 
End If
 
If (lValue And m_l2Power(31 - iShiftBits)) Then
 
LShift = ((lValue And m_lOnBits(31 - (iShiftBits + 1))) * m_l2Power(iShiftBits)) Or &H80000000
 
Else
 
LShift = ((lValue And m_lOnBits(31 - iShiftBits)) * m_l2Power(iShiftBits))
 
End If
 
End Function
 
Private Function RShift(lValue, iShiftBits)
 
If iShiftBits = 0 Then
 
RShift = lValue
 
Exit Function
 
ElseIf iShiftBits = 31 Then
 
If lValue And &H80000000 Then
 
RShift = 1
 
Else
 
RShift = 0
 
End If
 
Exit Function
 
ElseIf iShiftBits < 0 Or iShiftBits > 31 Then
 
Err.Raise 6
 
End If
 
RShift = (lValue And &H7FFFFFFE) / m_l2Power(iShiftBits)
 
If (lValue And &H80000000) Then
 
RShift = (RShift Or (&H40000000 / m_l2Power(iShiftBits - 1)))
 
End If
 
End Function
 
Private Function RotateLeft(lValue, iShiftBits)
 
RotateLeft = LShift(lValue, iShiftBits) Or RShift(lValue, (32 - iShiftBits))
 
End Function
 
Private Function AddUnsigned(lX, lY)
 
Dim lX4
 
Dim lY4
 
Dim lX8
 
Dim lY8
 
Dim lResult
 
lX8 = lX And &H80000000
 
lY8 = lY And &H80000000
 
lX4 = lX And &H40000000
 
lY4 = lY And &H40000000
 
lResult = (lX And &H3FFFFFFF) + (lY And &H3FFFFFFF)
 
If lX4 And lY4 Then
 
lResult = lResult Xor &H80000000 Xor lX8 Xor lY8
 
ElseIf lX4 Or lY4 Then
 
If lResult And &H40000000 Then
 
lResult = lResult Xor &HC0000000 Xor lX8 Xor lY8
 
Else
 
lResult = lResult Xor &H40000000 Xor lX8 Xor lY8
 
End If
 
Else
 
lResult = lResult Xor lX8 Xor lY8
 
End If
 
AddUnsigned = lResult
 
End Function
 
Private Function md5_F(x, y, z)
 
md5_F = (x And y) Or ((Not x) And z)
 
End Function
 
Private Function md5_G(x, y, z)
 
md5_G = (x And z) Or (y And (Not z))
 
End Function
 
Private Function md5_H(x, y, z)
 
md5_H = (x Xor y Xor z)
 
End Function
 
Private Function md5_I(x, y, z)
 
md5_I = (y Xor (x Or (Not z)))
 
End Function
 
Private Sub md5_FF(a, b, c, d, x, s, ac)
 
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_F(b, c, d), x), ac))
 
a = RotateLeft(a, s)
 
a = AddUnsigned(a, b)
 
End Sub
 
Private Sub md5_GG(a, b, c, d, x, s, ac)
 
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_G(b, c, d), x), ac))
 
a = RotateLeft(a, s)
 
a = AddUnsigned(a, b)
 
End Sub
 
Private Sub md5_HH(a, b, c, d, x, s, ac)
 
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_H(b, c, d), x), ac))
 
a = RotateLeft(a, s)
 
a = AddUnsigned(a, b)
 
End Sub
 
Private Sub md5_II(a, b, c, d, x, s, ac)
 
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_I(b, c, d), x), ac))
 
a = RotateLeft(a, s)
 
a = AddUnsigned(a, b)
 
End Sub
 
Private Function ConvertToWordArray(sMessage)
 
Dim lMessageLength
 
Dim lNumberOfWords
 
Dim lWordArray()
 
Dim lBytePosition
 
Dim lByteCount
 
Dim lWordCount
 
Const MODULUS_BITS = 512
 
Const CONGRUENT_BITS = 448
 
lMessageLength = Len(sMessage)
 
lNumberOfWords = (((lMessageLength + ((MODULUS_BITS - CONGRUENT_BITS) / BITS_TO_A_BYTE)) / (MODULUS_BITS / BITS_TO_A_BYTE)) + 1) * (MODULUS_BITS / BITS_TO_A_WORD)
 
ReDim lWordArray(lNumberOfWords - 1)
 
lBytePosition = 0
 
lByteCount = 0
 
Do Until lByteCount >= lMessageLength
 
lWordCount = lByteCount / BYTES_TO_A_WORD
 
lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE
 
lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(Asc(Mid(sMessage, lByteCount + 1, 1)), lBytePosition)
 
lByteCount = lByteCount + 1
 
Loop
 
lWordCount = lByteCount / BYTES_TO_A_WORD
 
lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE
 
lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(&H80, lBytePosition)
 
lWordArray(lNumberOfWords - 2) = LShift(lMessageLength, 3)
 
lWordArray(lNumberOfWords - 1) = RShift(lMessageLength, 29)
 
ConvertToWordArray = lWordArray
 
End Function
 
Private Function WordToHex(lValue)
 
Dim lByte
 
Dim lCount
 
For lCount = 0 To 3
 
lByte = RShift(lValue, lCount * BITS_TO_A_BYTE) And m_lOnBits(BITS_TO_A_BYTE - 1)
 
WordToHex = WordToHex & Right("0" & Hex(lByte), 2)
 
Next
 
End Function
 
Public Function MD5(sMessage)
 
m_lOnBits(0) = CLng(1)
 
m_lOnBits(1) = CLng(3)
 
m_lOnBits(2) = CLng(7)
 
m_lOnBits(3) = CLng(15)
 
m_lOnBits(4) = CLng(31)
 
m_lOnBits(5) = CLng(63)
 
m_lOnBits(6) = CLng(127)
 
m_lOnBits(7) = CLng(255)
 
m_lOnBits(8) = CLng(511)
 
m_lOnBits(9) = CLng(1023)
 
m_lOnBits(10) = CLng(2047)
 
m_lOnBits(11) = CLng(4095)
 
m_lOnBits(12) = CLng(8191)
 
m_lOnBits(13) = CLng(16383)
 
m_lOnBits(14) = CLng(32767)
 
m_lOnBits(15) = CLng(65535)
 
m_lOnBits(16) = CLng(131071)
 
m_lOnBits(17) = CLng(262143)
 
m_lOnBits(18) = CLng(524287)
 
m_lOnBits(19) = CLng(1048575)
 
m_lOnBits(20) = CLng(2097151)
 
m_lOnBits(21) = CLng(4194303)
 
m_lOnBits(22) = CLng(8388607)
 
m_lOnBits(23) = CLng(16777215)
 
m_lOnBits(24) = CLng(33554431)
 
m_lOnBits(25) = CLng(67108863)
 
m_lOnBits(26) = CLng(134217727)
 
m_lOnBits(27) = CLng(268435455)
 
m_lOnBits(28) = CLng(536870911)
 
m_lOnBits(29) = CLng(1073741823)
 
m_lOnBits(30) = CLng(2147483647)
 
m_l2Power(0) = CLng(1)
 
m_l2Power(1) = CLng(2)
 
m_l2Power(2) = CLng(4)
 
m_l2Power(3) = CLng(8)
 
m_l2Power(4) = CLng(16)
 
m_l2Power(5) = CLng(32)
 
m_l2Power(6) = CLng(64)
 
m_l2Power(7) = CLng(128)
 
m_l2Power(8) = CLng(256)
 
m_l2Power(9) = CLng(512)
 
m_l2Power(10) = CLng(1024)
 
m_l2Power(11) = CLng(2048)
 
m_l2Power(12) = CLng(4096)
 
m_l2Power(13) = CLng(8192)
 
m_l2Power(14) = CLng(16384)
 
m_l2Power(15) = CLng(32768)
 
m_l2Power(16) = CLng(65536)
 
m_l2Power(17) = CLng(131072)
 
m_l2Power(18) = CLng(262144)
 
m_l2Power(19) = CLng(524288)
 
m_l2Power(20) = CLng(1048576)
 
m_l2Power(21) = CLng(2097152)
 
m_l2Power(22) = CLng(4194304)
 
m_l2Power(23) = CLng(8388608)
 
m_l2Power(24) = CLng(16777216)
 
m_l2Power(25) = CLng(33554432)
 
m_l2Power(26) = CLng(67108864)
 
m_l2Power(27) = CLng(134217728)
 
m_l2Power(28) = CLng(268435456)
 
m_l2Power(29) = CLng(536870912)
 
m_l2Power(30) = CLng(1073741824)
 
Dim x
 
Dim k
 
Dim AA
 
Dim BB
 
Dim CC
 
Dim DD
 
Dim a
 
Dim b
 
Dim c
 
Dim d
 
Const S11 = 7
 
Const S12 = 12
 
Const S13 = 17
 
Const S14 = 22
 
Const S21 = 5
 
Const S22 = 9
 
Const S23 = 14
 
Const S24 = 20
 
Const S31 = 4
 
Const S32 = 11
 
Const S33 = 16
 
Const S34 = 23
 
Const S41 = 6
 
Const S42 = 10
 
Const S43 = 15
 
Const S44 = 21
 
x = ConvertToWordArray(sMessage)
 
a = &H67452301
 
b = &HEFCDAB89
 
c = &H98BADCFE
 
d = &H10325476
 
For k = 0 To UBound(x) Step 16
 
AA = a
 
BB = b
 
CC = c
 
DD = d
 
md5_FF a, b, c, d, x(k + 0), S11, &HD76AA478
 
md5_FF d, a, b, c, x(k + 1), S12, &HE8C7B756
 
md5_FF c, d, a, b, x(k + 2), S13, &H242070DB
 
md5_FF b, c, d, a, x(k + 3), S14, &HC1BDCEEE
 
md5_FF a, b, c, d, x(k + 4), S11, &HF57C0FAF
 
md5_FF d, a, b, c, x(k + 5), S12, &H4787C62A
 
md5_FF c, d, a, b, x(k + 6), S13, &HA8304613
 
md5_FF b, c, d, a, x(k + 7), S14, &HFD469501
 
md5_FF a, b, c, d, x(k + 8), S11, &H698098D8
 
md5_FF d, a, b, c, x(k + 9), S12, &H8B44F7AF
 
md5_FF c, d, a, b, x(k + 10), S13, &HFFFF5BB1
 
md5_FF b, c, d, a, x(k + 11), S14, &H895CD7BE
 
md5_FF a, b, c, d, x(k + 12), S11, &H6B901122
 
md5_FF d, a, b, c, x(k + 13), S12, &HFD987193
 
md5_FF c, d, a, b, x(k + 14), S13, &HA679438E
 
md5_FF b, c, d, a, x(k + 15), S14, &H49B40821
 
md5_GG a, b, c, d, x(k + 1), S21, &HF61E2562
 
md5_GG d, a, b, c, x(k + 6), S22, &HC040B340
 
md5_GG c, d, a, b, x(k + 11), S23, &H265E5A51
 
md5_GG b, c, d, a, x(k + 0), S24, &HE9B6C7AA
 
md5_GG a, b, c, d, x(k + 5), S21, &HD62F105D
 
md5_GG d, a, b, c, x(k + 10), S22, &H2441453
 
md5_GG c, d, a, b, x(k + 15), S23, &HD8A1E681
 
md5_GG b, c, d, a, x(k + 4), S24, &HE7D3FBC8
 
md5_GG a, b, c, d, x(k + 9), S21, &H21E1CDE6
 
md5_GG d, a, b, c, x(k + 14), S22, &HC33707D6
 
md5_GG c, d, a, b, x(k + 3), S23, &HF4D50D87
 
md5_GG b, c, d, a, x(k + 8), S24, &H455A14ED
 
md5_GG a, b, c, d, x(k + 13), S21, &HA9E3E905
 
md5_GG d, a, b, c, x(k + 2), S22, &HFCEFA3F8
 
md5_GG c, d, a, b, x(k + 7), S23, &H676F02D9
 
md5_GG b, c, d, a, x(k + 12), S24, &H8D2A4C8A
 
md5_HH a, b, c, d, x(k + 5), S31, &HFFFA3942
 
md5_HH d, a, b, c, x(k + 8), S32, &H8771F681
 
md5_HH c, d, a, b, x(k + 11), S33, &H6D9D6122
 
md5_HH b, c, d, a, x(k + 14), S34, &HFDE5380C
 
md5_HH a, b, c, d, x(k + 1), S31, &HA4BEEA44
 
md5_HH d, a, b, c, x(k + 4), S32, &H4BDECFA9
 
md5_HH c, d, a, b, x(k + 7), S33, &HF6BB4B60
 
md5_HH b, c, d, a, x(k + 10), S34, &HBEBFBC70
 
md5_HH a, b, c, d, x(k + 13), S31, &H289B7EC6
 
md5_HH d, a, b, c, x(k + 0), S32, &HEAA127FA
 
md5_HH c, d, a, b, x(k + 3), S33, &HD4EF3085
 
md5_HH b, c, d, a, x(k + 6), S34, &H4881D05
 
md5_HH a, b, c, d, x(k + 9), S31, &HD9D4D039
 
md5_HH d, a, b, c, x(k + 12), S32, &HE6DB99E5
 
md5_HH c, d, a, b, x(k + 15), S33, &H1FA27CF8
 
md5_HH b, c, d, a, x(k + 2), S34, &HC4AC5665
 
md5_II a, b, c, d, x(k + 0), S41, &HF4292244
 
md5_II d, a, b, c, x(k + 7), S42, &H432AFF97
 
md5_II c, d, a, b, x(k + 14), S43, &HAB9423A7
 
md5_II b, c, d, a, x(k + 5), S44, &HFC93A039
 
md5_II a, b, c, d, x(k + 12), S41, &H655B59C3
 
md5_II d, a, b, c, x(k + 3), S42, &H8F0CCC92
 
md5_II c, d, a, b, x(k + 10), S43, &HFFEFF47D
 
md5_II b, c, d, a, x(k + 1), S44, &H85845DD1
 
md5_II a, b, c, d, x(k + 8), S41, &H6FA87E4F
 
md5_II d, a, b, c, x(k + 15), S42, &HFE2CE6E0
 
md5_II c, d, a, b, x(k + 6), S43, &HA3014314
 
md5_II b, c, d, a, x(k + 13), S44, &H4E0811A1
 
md5_II a, b, c, d, x(k + 4), S41, &HF7537E82
 
md5_II d, a, b, c, x(k + 11), S42, &HBD3AF235
 
md5_II c, d, a, b, x(k + 2), S43, &H2AD7D2BB
 
md5_II b, c, d, a, x(k + 9), S44, &HEB86D391
 
a = AddUnsigned(a, AA)
 
b = AddUnsigned(b, BB)
 
c = AddUnsigned(c, CC)
 
d = AddUnsigned(d, DD)
 
Next
 
'MD5 = UCase(WordToHex(a) & WordToHex(b) & WordToHex(c) & WordToHex(d)) '32byte
 
MD5 = LCase(WordToHex(b) & WordToHex(c)) 'I crop this to fit 16byte database password :D
 
End Function
 
Function CFTGetServerDate(d)
 
Dim strTmp, iYear,iMonth,iDate
 
iYear = Year(d)
 
iMonth = Month(d)
 
iDate = Day(d)
 
strTmp = CStr(iYear)
 
If iMonth < 10 Then
 
strTmp = strTmp & "0" & Cstr(iMonth)
 
Else
 
strTmp = strTmp & Cstr(iMonth)
 
End If
 
If iDate < 10 Then
 
strTmp = strTmp & "0" & Cstr(iDate)
 
Else
 
strTmp = strTmp & Cstr(iDate)
 
End If
 
CFTGetServerDate = strTmp
 
End Function
 
Function CFTGetServertime(d)
 
Dim strTmp, iYear,iMonth,iDate
 
iYear = hour(d)
 
iMonth = minute(d)
 
iDate = second(d)
 
strTmp = ""
 
If iYear < 10 Then
 
strTmp = strTmp & "0" & Cstr(iYear)
 
Else
 
strTmp = strTmp & Cstr(iYear)
 
End If
 
If iMonth < 10 Then
 
strTmp = strTmp & "0" & Cstr(iMonth)
 
Else
 
strTmp = strTmp & Cstr(iMonth)
 
End If
 
If iDate < 10 Then
 
strTmp = strTmp & "0" & Cstr(iDate)
 
Else
 
strTmp = strTmp & Cstr(iDate)
 
End If
 
CFTGetServertime = strTmp
 
End Function
 
function GetRnd(min,max)
 
Randomize
 
GetRnd = Int((max - min + 1) * Rnd + min)
 
end function
 
function getrnddatenum()
 
getrnddatenum = CFTGetServerDate(now) & CFTGetServertime(now) & GetRnd(1000,9999)
 
end function
 
'PrivateKey,尽量复杂一些,开始使用后,就不能更改了。
 
dim keyinfokey
 
keyinfokey = "51windows.net@1234567890!@#$%^&*()QWERFGHJK"
 
'得到中奖码
 
function getkey()
 
skey = getrnddatenum()
 
skey2 = md5(skey & keyinfokey)
 
getkey = skey & skey2
 
end function
 
 
'验证中奖码
 
function ckkey(s)
 
strs = s
 
if len(strs)<> 34 then
 
ckkey = false
 
exit function
 
end if
 
datenum = left(strs,18)
 
md5oldstr = right(strs,16)
 
md5str = md5(datenum & keyinfokey)
 
if lcase(md5str) = lcase(md5oldstr) then
 
ckkey = true
 
else
 
ckkey = false
 
end if
 
end function
 
%>
 
 

(编辑:聊城站长网)

【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容!

    推荐文章