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Yongxiu music (maintenance-free edition) v1.3 Show md5.asp Source code

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  1. <%
  2. Private Const BITS_TO_A_BYTE = 8
  3. Private Const BYTES_TO_A_WORD = 4
  4. Private Const BITS_TO_A_WORD = 32
  5.  
  6. Private m_lOnBits(30)
  7. Private m_l2Power(30)
  8.  
  9. Private Function LShift(lValue, iShiftBits)
  10.     If iShiftBits = 0 Then
  11.         LShift = lValue
  12.         Exit Function
  13.     ElseIf iShiftBits = 31 Then
  14.         If lValue And 1 Then
  15.             LShift = &H80000000
  16.         Else
  17.             LShift = 0
  18.         End If
  19.         Exit Function
  20.     ElseIf iShiftBits < 0 Or iShiftBits > 31 Then
  21.         Err.Raise 6
  22.     End If
  23.  
  24.     If (lValue And m_l2Power(31 - iShiftBits)) Then
  25.         LShift = ((lValue And m_lOnBits(31 - (iShiftBits + 1))) * m_l2Power(iShiftBits)) Or &H80000000
  26.     Else
  27.         LShift = ((lValue And m_lOnBits(31 - iShiftBits)) * m_l2Power(iShiftBits))
  28.     End If
  29. End Function
  30.  
  31. Private Function RShift(lValue, iShiftBits)
  32.     If iShiftBits = 0 Then
  33.         RShift = lValue
  34.         Exit Function
  35.     ElseIf iShiftBits = 31 Then
  36.         If lValue And &H80000000 Then
  37.             RShift = 1
  38.         Else
  39.             RShift = 0
  40.         End If
  41.         Exit Function
  42.     ElseIf iShiftBits < 0 Or iShiftBits > 31 Then
  43.         Err.Raise 6
  44.     End If
  45.    
  46.     RShift = (lValue And &H7FFFFFFE) \ m_l2Power(iShiftBits)
  47.  
  48.     If (lValue And &H80000000) Then
  49.         RShift = (RShift Or (&H40000000 \ m_l2Power(iShiftBits - 1)))
  50.     End If
  51. End Function
  52.  
  53. Private Function RotateLeft(lValue, iShiftBits)
  54.     RotateLeft = LShift(lValue, iShiftBits) Or RShift(lValue, (32 - iShiftBits))
  55. End Function
  56.  
  57. Private Function AddUnsigned(lX, lY)
  58.     Dim lX4
  59.     Dim lY4
  60.     Dim lX8
  61.     Dim lY8
  62.     Dim lResult
  63.  
  64.     lX8 = lX And &H80000000
  65.     lY8 = lY And &H80000000
  66.     lX4 = lX And &H40000000
  67.     lY4 = lY And &H40000000
  68.  
  69.     lResult = (lX And &H3FFFFFFF) + (lY And &H3FFFFFFF)
  70.  
  71.     If lX4 And lY4 Then
  72.         lResult = lResult Xor &H80000000 Xor lX8 Xor lY8
  73.     ElseIf lX4 Or lY4 Then
  74.         If lResult And &H40000000 Then
  75.             lResult = lResult Xor &HC0000000 Xor lX8 Xor lY8
  76.         Else
  77.             lResult = lResult Xor &H40000000 Xor lX8 Xor lY8
  78.         End If
  79.     Else
  80.         lResult = lResult Xor lX8 Xor lY8
  81.     End If
  82.  
  83.     AddUnsigned = lResult
  84. End Function
  85.  
  86. Private Function md5_F(x, y, z)
  87.     md5_F = (x And y) Or ((Not x) And z)
  88. End Function
  89.  
  90. Private Function md5_G(x, y, z)
  91.     md5_G = (x And z) Or (y And (Not z))
  92. End Function
  93.  
  94. Private Function md5_H(x, y, z)
  95.     md5_H = (x Xor y Xor z)
  96. End Function
  97.  
  98. Private Function md5_I(x, y, z)
  99.     md5_I = (y Xor (x Or (Not z)))
  100. End Function
  101.  
  102. Private Sub md5_FF(a, b, c, d, x, s, ac)
  103.     a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_F(b, c, d), x), ac))
  104.     a = RotateLeft(a, s)
  105.     a = AddUnsigned(a, b)
  106. End Sub
  107.  
  108. Private Sub md5_GG(a, b, c, d, x, s, ac)
  109.     a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_G(b, c, d), x), ac))
  110.     a = RotateLeft(a, s)
  111.     a = AddUnsigned(a, b)
  112. End Sub
  113.  
  114. Private Sub md5_HH(a, b, c, d, x, s, ac)
  115.     a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_H(b, c, d), x), ac))
  116.     a = RotateLeft(a, s)
  117.     a = AddUnsigned(a, b)
  118. End Sub
  119.  
  120. Private Sub md5_II(a, b, c, d, x, s, ac)
  121.     a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_I(b, c, d), x), ac))
  122.     a = RotateLeft(a, s)
  123.     a = AddUnsigned(a, b)
  124. End Sub
  125.  
  126. Private Function ConvertToWordArray(sMessage)
  127.     Dim lMessageLength
  128.     Dim lNumberOfWords
  129.     Dim lWordArray()
  130.     Dim lBytePosition
  131.     Dim lByteCount
  132.     Dim lWordCount
  133.    
  134.     Const MODULUS_BITS = 512
  135.     Const CONGRUENT_BITS = 448
  136.    
  137.     lMessageLength = Len(sMessage)
  138.    
  139.     lNumberOfWords = (((lMessageLength + ((MODULUS_BITS - CONGRUENT_BITS) \ BITS_TO_A_BYTE)) \ (MODULUS_BITS \ BITS_TO_A_BYTE)) + 1) * (MODULUS_BITS \ BITS_TO_A_WORD)
  140.     ReDim lWordArray(lNumberOfWords - 1)
  141.    
  142.     lBytePosition = 0
  143.     lByteCount = 0
  144.     Do Until lByteCount >= lMessageLength
  145.         lWordCount = lByteCount \ BYTES_TO_A_WORD
  146.         lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE
  147.         lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(Asc(Mid(sMessage, lByteCount + 1, 1)), lBytePosition)
  148.         lByteCount = lByteCount + 1
  149.     Loop
  150.  
  151.     lWordCount = lByteCount \ BYTES_TO_A_WORD
  152.     lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE
  153.  
  154.     lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(&H80, lBytePosition)
  155.  
  156.     lWordArray(lNumberOfWords - 2) = LShift(lMessageLength, 3)
  157.     lWordArray(lNumberOfWords - 1) = RShift(lMessageLength, 29)
  158.    
  159.     ConvertToWordArray = lWordArray
  160. End Function
  161.  
  162. Private Function WordToHex(lValue)
  163.     Dim lByte
  164.     Dim lCount
  165.    
  166.     For lCount = 0 To 3
  167.         lByte = RShift(lValue, lCount * BITS_TO_A_BYTE) And m_lOnBits(BITS_TO_A_BYTE - 1)
  168.         WordToHex = WordToHex & Right("0" & Hex(lByte), 2)
  169.     Next
  170. End Function
  171.  
  172. Public Function MD5(sMessage)
  173.     m_lOnBits(0) = CLng(1)
  174.     m_lOnBits(1) = CLng(3)
  175.     m_lOnBits(2) = CLng(7)
  176.     m_lOnBits(3) = CLng(15)
  177.     m_lOnBits(4) = CLng(31)
  178.     m_lOnBits(5) = CLng(63)
  179.     m_lOnBits(6) = CLng(127)
  180.     m_lOnBits(7) = CLng(255)
  181.     m_lOnBits(8) = CLng(511)
  182.     m_lOnBits(9) = CLng(1023)
  183.     m_lOnBits(10) = CLng(2047)
  184.     m_lOnBits(11) = CLng(4095)
  185.     m_lOnBits(12) = CLng(8191)
  186.     m_lOnBits(13) = CLng(16383)
  187.     m_lOnBits(14) = CLng(32767)
  188.     m_lOnBits(15) = CLng(65535)
  189.     m_lOnBits(16) = CLng(131071)
  190.     m_lOnBits(17) = CLng(262143)
  191.     m_lOnBits(18) = CLng(524287)
  192.     m_lOnBits(19) = CLng(1048575)
  193.     m_lOnBits(20) = CLng(2097151)
  194.     m_lOnBits(21) = CLng(4194303)
  195.     m_lOnBits(22) = CLng(8388607)
  196.     m_lOnBits(23) = CLng(16777215)
  197.     m_lOnBits(24) = CLng(33554431)
  198.     m_lOnBits(25) = CLng(67108863)
  199.     m_lOnBits(26) = CLng(134217727)
  200.     m_lOnBits(27) = CLng(268435455)
  201.     m_lOnBits(28) = CLng(536870911)
  202.     m_lOnBits(29) = CLng(1073741823)
  203.     m_lOnBits(30) = CLng(2147483647)
  204.    
  205.     m_l2Power(0) = CLng(1)
  206.     m_l2Power(1) = CLng(2)
  207.     m_l2Power(2) = CLng(4)
  208.     m_l2Power(3) = CLng(8)
  209.     m_l2Power(4) = CLng(16)
  210.     m_l2Power(5) = CLng(32)
  211.     m_l2Power(6) = CLng(64)
  212.     m_l2Power(7) = CLng(128)
  213.     m_l2Power(8) = CLng(256)
  214.     m_l2Power(9) = CLng(512)
  215.     m_l2Power(10) = CLng(1024)
  216.     m_l2Power(11) = CLng(2048)
  217.     m_l2Power(12) = CLng(4096)
  218.     m_l2Power(13) = CLng(8192)
  219.     m_l2Power(14) = CLng(16384)
  220.     m_l2Power(15) = CLng(32768)
  221.     m_l2Power(16) = CLng(65536)
  222.     m_l2Power(17) = CLng(131072)
  223.     m_l2Power(18) = CLng(262144)
  224.     m_l2Power(19) = CLng(524288)
  225.     m_l2Power(20) = CLng(1048576)
  226.     m_l2Power(21) = CLng(2097152)
  227.     m_l2Power(22) = CLng(4194304)
  228.     m_l2Power(23) = CLng(8388608)
  229.     m_l2Power(24) = CLng(16777216)
  230.     m_l2Power(25) = CLng(33554432)
  231.     m_l2Power(26) = CLng(67108864)
  232.     m_l2Power(27) = CLng(134217728)
  233.     m_l2Power(28) = CLng(268435456)
  234.     m_l2Power(29) = CLng(536870912)
  235.     m_l2Power(30) = CLng(1073741824)
  236.  
  237.  
  238.     Dim x
  239.     Dim k
  240.     Dim AA
  241.     Dim BB
  242.     Dim CC
  243.     Dim DD
  244.     Dim a
  245.     Dim b
  246.     Dim c
  247.     Dim d
  248.    
  249.     Const S11 = 7
  250.     Const S12 = 12
  251.     Const S13 = 17
  252.     Const S14 = 22
  253.     Const S21 = 5
  254.     Const S22 = 9
  255.     Const S23 = 14
  256.     Const S24 = 20
  257.     Const S31 = 4
  258.     Const S32 = 11
  259.     Const S33 = 16
  260.     Const S34 = 23
  261.     Const S41 = 6
  262.     Const S42 = 10
  263.     Const S43 = 15
  264.     Const S44 = 21
  265.  
  266.     x = ConvertToWordArray(sMessage)
  267.    
  268.     a = &H67452301
  269.     b = &HEFCDAB89
  270.     c = &H98BADCFE
  271.     d = &H10325476
  272.  
  273.     For k = 0 To UBound(x) Step 16
  274.         AA = a
  275.         BB = b
  276.         CC = c
  277.         DD = d
  278.    
  279.         md5_FF a, b, c, d, x(k + 0), S11, &HD76AA478
  280.         md5_FF d, a, b, c, x(k + 1), S12, &HE8C7B756
  281.         md5_FF c, d, a, b, x(k + 2), S13, &H242070DB
  282.         md5_FF b, c, d, a, x(k + 3), S14, &HC1BDCEEE
  283.         md5_FF a, b, c, d, x(k + 4), S11, &HF57C0FAF
  284.         md5_FF d, a, b, c, x(k + 5), S12, &H4787C62A
  285.         md5_FF c, d, a, b, x(k + 6), S13, &HA8304613
  286.         md5_FF b, c, d, a, x(k + 7), S14, &HFD469501
  287.         md5_FF a, b, c, d, x(k + 8), S11, &H698098D8
  288.         md5_FF d, a, b, c, x(k + 9), S12, &H8B44F7AF
  289.         md5_FF c, d, a, b, x(k + 10), S13, &HFFFF5BB1
  290.         md5_FF b, c, d, a, x(k + 11), S14, &H895CD7BE
  291.         md5_FF a, b, c, d, x(k + 12), S11, &H6B901122
  292.         md5_FF d, a, b, c, x(k + 13), S12, &HFD987193
  293.         md5_FF c, d, a, b, x(k + 14), S13, &HA679438E
  294.         md5_FF b, c, d, a, x(k + 15), S14, &H49B40821
  295.    
  296.         md5_GG a, b, c, d, x(k + 1), S21, &HF61E2562
  297.         md5_GG d, a, b, c, x(k + 6), S22, &HC040B340
  298.         md5_GG c, d, a, b, x(k + 11), S23, &H265E5A51
  299.         md5_GG b, c, d, a, x(k + 0), S24, &HE9B6C7AA
  300.         md5_GG a, b, c, d, x(k + 5), S21, &HD62F105D
  301.         md5_GG d, a, b, c, x(k + 10), S22, &H2441453
  302.         md5_GG c, d, a, b, x(k + 15), S23, &HD8A1E681
  303.         md5_GG b, c, d, a, x(k + 4), S24, &HE7D3FBC8
  304.         md5_GG a, b, c, d, x(k + 9), S21, &H21E1CDE6
  305.         md5_GG d, a, b, c, x(k + 14), S22, &HC33707D6
  306.         md5_GG c, d, a, b, x(k + 3), S23, &HF4D50D87
  307.         md5_GG b, c, d, a, x(k + 8), S24, &H455A14ED
  308.         md5_GG a, b, c, d, x(k + 13), S21, &HA9E3E905
  309.         md5_GG d, a, b, c, x(k + 2), S22, &HFCEFA3F8
  310.         md5_GG c, d, a, b, x(k + 7), S23, &H676F02D9
  311.         md5_GG b, c, d, a, x(k + 12), S24, &H8D2A4C8A
  312.            
  313.         md5_HH a, b, c, d, x(k + 5), S31, &HFFFA3942
  314.         md5_HH d, a, b, c, x(k + 8), S32, &H8771F681
  315.         md5_HH c, d, a, b, x(k + 11), S33, &H6D9D6122
  316.         md5_HH b, c, d, a, x(k + 14), S34, &HFDE5380C
  317.         md5_HH a, b, c, d, x(k + 1), S31, &HA4BEEA44
  318.         md5_HH d, a, b, c, x(k + 4), S32, &H4BDECFA9
  319.         md5_HH c, d, a, b, x(k + 7), S33, &HF6BB4B60
  320.         md5_HH b, c, d, a, x(k + 10), S34, &HBEBFBC70
  321.         md5_HH a, b, c, d, x(k + 13), S31, &H289B7EC6
  322.         md5_HH d, a, b, c, x(k + 0), S32, &HEAA127FA
  323.         md5_HH c, d, a, b, x(k + 3), S33, &HD4EF3085
  324.         md5_HH b, c, d, a, x(k + 6), S34, &H4881D05
  325.         md5_HH a, b, c, d, x(k + 9), S31, &HD9D4D039
  326.         md5_HH d, a, b, c, x(k + 12), S32, &HE6DB99E5
  327.         md5_HH c, d, a, b, x(k + 15), S33, &H1FA27CF8
  328.         md5_HH b, c, d, a, x(k + 2), S34, &HC4AC5665
  329.    
  330.         md5_II a, b, c, d, x(k + 0), S41, &HF4292244
  331.         md5_II d, a, b, c, x(k + 7), S42, &H432AFF97
  332.         md5_II c, d, a, b, x(k + 14), S43, &HAB9423A7
  333.         md5_II b, c, d, a, x(k + 5), S44, &HFC93A039
  334.         md5_II a, b, c, d, x(k + 12), S41, &H655B59C3
  335.         md5_II d, a, b, c, x(k + 3), S42, &H8F0CCC92
  336.         md5_II c, d, a, b, x(k + 10), S43, &HFFEFF47D
  337.         md5_II b, c, d, a, x(k + 1), S44, &H85845DD1
  338.         md5_II a, b, c, d, x(k + 8), S41, &H6FA87E4F
  339.         md5_II d, a, b, c, x(k + 15), S42, &HFE2CE6E0
  340.         md5_II c, d, a, b, x(k + 6), S43, &HA3014314
  341.         md5_II b, c, d, a, x(k + 13), S44, &H4E0811A1
  342.         md5_II a, b, c, d, x(k + 4), S41, &HF7537E82
  343.         md5_II d, a, b, c, x(k + 11), S42, &HBD3AF235
  344.         md5_II c, d, a, b, x(k + 2), S43, &H2AD7D2BB
  345.         md5_II b, c, d, a, x(k + 9), S44, &HEB86D391
  346.    
  347.         a = AddUnsigned(a, AA)
  348.         b = AddUnsigned(b, BB)
  349.         c = AddUnsigned(c, CC)
  350.         d = AddUnsigned(d, DD)
  351.     Next
  352.    
  353.     'MD5 = LCase(WordToHex(a) & WordToHex(b) & WordToHex(c) & WordToHex(d))
  354.     MD5=LCase(WordToHex(b) & WordToHex(c))  'I crop this to fit 16byte database password :D
  355. End Function
  356. %>
  357.  
downloadmd5.asp Source code - Download Yongxiu music (maintenance-free edition) v1.3 Source code
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