分享一个sha256哈希加密字符串函数源码

冰原纪 · 发表于 2022-11-29 10:00:09

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实话说,网上抄的,源码为BV6.0的代码,按键基本毫无压力兼容.源码其中一个数组定义在函数内导致报错,修改后现已正常.

=======以下为源码=======
Private m_lOnBits(30)
Private m_l2Power(30)
Private K(63)
Dim lWordArray()

t1=Plugin.sys.GetTime()
密码 = "123456"
str = SHA256(密码)
TracePrint "密码hash加密=" & str & ",长度=" & len(str)
TracePrint Plugin.sys.GetTime()-t1

Public Function SHA256(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)

K(0) = &H428A2F98
K(1) = &H71374491
K(2) = &HB5C0FBCF
K(3) = &HE9B5DBA5
K(4) = &H3956C25B
K(5) = &H59F111F1
K(6) = &H923F82A4
K(7) = &HAB1C5ED5
K(8) = &HD807AA98
K(9) = &H12835B01
K(10) = &H243185BE
K(11) = &H550C7DC3
K(12) = &H72BE5D74
K(13) = &H80DEB1FE
K(14) = &H9BDC06A7
K(15) = &HC19BF174
K(16) = &HE49B69C1
K(17) = &HEFBE4786
K(18) = &HFC19DC6
K(19) = &H240CA1CC
K(20) = &H2DE92C6F
K(21) = &H4A7484AA
K(22) = &H5CB0A9DC
K(23) = &H76F988DA
K(24) = &H983E5152
K(25) = &HA831C66D
K(26) = &HB00327C8
K(27) = &HBF597FC7
K(28) = &HC6E00BF3
K(29) = &HD5A79147
K(30) = &H6CA6351
K(31) = &H14292967
K(32) = &H27B70A85
K(33) = &H2E1B2138
K(34) = &H4D2C6DFC
K(35) = &H53380D13
K(36) = &H650A7354
K(37) = &H766A0ABB
K(38) = &H81C2C92E
K(39) = &H92722C85
K(40) = &HA2BFE8A1
K(41) = &HA81A664B
K(42) = &HC24B8B70
K(43) = &HC76C51A3
K(44) = &HD192E819
K(45) = &HD6990624
K(46) = &HF40E3585
K(47) = &H106AA070
K(48) = &H19A4C116
K(49) = &H1E376C08
K(50) = &H2748774C
K(51) = &H34B0BCB5
K(52) = &H391C0CB3
K(53) = &H4ED8AA4A
K(54) = &H5B9CCA4F
K(55) = &H682E6FF3
K(56) = &H748F82EE
K(57) = &H78A5636F
K(58) = &H84C87814
K(59) = &H8CC70208
K(60) = &H90BEFFFA
K(61) = &HA4506CEB
K(62) = &HBEF9A3F7
K(63) = &HC67178F2

Dim HASH(7), M, W(63), a, b, c, d, e, f, g, h, i, j, T1, T2
HASH(0) = &H6A09E667
HASH(1) = &HBB67AE85
HASH(2) = &H3C6EF372
HASH(3) = &HA54FF53A
HASH(4) = &H510E527F
HASH(5) = &H9B05688C
HASH(6) = &H1F83D9AB
HASH(7) = &H5BE0CD19

M = ConvertToWordArray(sMessage)
For I = 0 To UBound(M) Step 16
      a = HASH(0)
      B = HASH(1)
      c = HASH(2)
      d = HASH(3)
      e = HASH(4)
      f = HASH(5)
      g = HASH(6)
      h = HASH(7)
      For j = 0 To 63
         If j < 16 Then
            W(j) = M(j + I)
         Else
            W(j) = AddUnsigned(AddUnsigned(AddUnsigned(Gamma1(W(j - 2)), W(j - 7)), Gamma0(W(j - 15))), W(j - 16))
         End If
         T1 = AddUnsigned(AddUnsigned(AddUnsigned(AddUnsigned(h, Sigma1(e)), Ch(e, f, g)), K(j)), W(j))
         T2 = AddUnsigned(Sigma0(a), Maj(a, B, c))
         h = g
         g = f
         f = e
         e = AddUnsigned(d, T1)
         d = c
         c = B
         B = a
         a = AddUnsigned(T1, T2)
      Next
      HASH(0) = AddUnsigned(a, HASH(0))
      HASH(1) = AddUnsigned(B, HASH(1))
      HASH(2) = AddUnsigned(c, HASH(2))
      HASH(3) = AddUnsigned(d, HASH(3))
      HASH(4) = AddUnsigned(e, HASH(4))
      HASH(5) = AddUnsigned(f, HASH(5))
      HASH(6) = AddUnsigned(g, HASH(6))
      HASH(7) = AddUnsigned(h, HASH(7))
Next
SHA256 = LCase(Right("00000000" & Hex(HASH(0)), 8) & Right("00000000" & Hex(HASH(1)), 8) & Right("00000000" & Hex(HASH(2)), 8) & Right("00000000" & Hex(HASH(3)), 8) & Right("00000000" & Hex(HASH(4)), 8) & Right("00000000" & Hex(HASH(5)), 8) & Right("00000000" & Hex(HASH(6)), 8) & Right("00000000" & Hex(HASH(7)), 8))
End Function

Private Function AddUnsigned(lX, lY)
Dim lX4, lY4, lX8, lY8, 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 ConvertToWordArray(sMessage)
Dim lMessageLength, lNumberOfWords, lBytePosition, lByteCount, lWordCount, lByte
Const BITS_TO_A_BYTE = 8
Const BYTES_TO_A_WORD = 4
Const BITS_TO_A_WORD = 32
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 = (3 - (lByteCount Mod BYTES_TO_A_WORD)) * BITS_TO_A_BYTE
      lByte = AscB(Mid(sMessage, lByteCount + 1, 1))
      lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(lByte, lBytePosition)
      lByteCount = lByteCount + 1
Loop
lWordCount = lByteCount \ BYTES_TO_A_WORD
lBytePosition = (3 - (lByteCount Mod BYTES_TO_A_WORD)) * BITS_TO_A_BYTE
lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(&H80, lBytePosition)
lWordArray(lNumberOfWords - 1) = LShift(lMessageLength, 3)
lWordArray(lNumberOfWords - 2) = RShift(lMessageLength, 29)
ConvertToWordArray = lWordArray
End Function

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 Gamma1(x)
Gamma1 = (S(x, 17) Xor S(x, 19) Xor R(x, 10))
End Function

Private Function Gamma0(x)
Gamma0 = (S(x, 7) Xor S(x, 18) Xor R(x, 3))
End Function

Private Function Sigma1(x)
Sigma1 = (S(x, 6) Xor S(x, 11) Xor S(x, 25))
End Function

Private Function Sigma0(x)
Sigma0 = (S(x, 2) Xor S(x, 13) Xor S(x, 22))
End Function

Private Function Ch(x, y, z)
Ch = ((x And y) Xor ((Not x) And z))
End Function

Private Function Maj(x, y, z)
Maj = ((x And y) Xor (x And z) Xor (y And z))
End Function

Private Function S(x, n)
S = (RShift(x, (n And m_lOnBits(4))) Or LShift(x, (32 - (n And m_lOnBits(4)))))
End Function

Private Function R(x, n)
R = RShift(x, CInt(n And m_lOnBits(4)))
End Function

BigUncle · 发表于 2023-2-18 19:20:55

666666666666666

我乃良辰 · 发表于 2024-7-29 10:12:39

加密了怎么解密

uliuuliu · 发表于 2024-10-5 13:55:33

谢谢分享

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[教程源码] 分享一个sha256哈希加密字符串函数源码

马上注册，结交更多好友，享用更多功能，让你轻松玩转社区。