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How MD5 VB to Java value is different

Hi All:

like this:


 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, stype)

 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

     

 If stype = 32 Then

 MD5 = LCase(WordToHex(a) & WordToHex(b) & WordToHex(c) & WordToHex(d))

 Else

 MD5 = LCase(WordToHex(b) & WordToHex(c))

 End If

 End Function

 Sub main()

 //MsgBox MD5("我顶A", 16) '16位加密

 MsgBox MD5("我顶A", 32) '32位加密 

 End Sub`enter code here`




//VB value is "9bc7245949fc219d41d787e49808d818"

//java value is "e220bd2560ad240406cd4821cb656366"

// How to convert



How MD5 VB to Java value is different

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