asp中的md5/sha1/sha256算法收集
2020-12-13 03:54
标签：blog class code c java ext 对于asp这种古董级的技术，这年头想找一些有用的资料已经不容易了，下面是一些常用的加密算法: md5 (将以下代码另存为md5.inc) sha1 (将以下代码另存为hex_sha1_js.inc)
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
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
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 = LCase(WordToHex(a) & WordToHex(b) & WordToHex(c) & WordToHex(d))
‘MD5=LCase(WordToHex(b) & WordToHex(c))
End
Function
%>