实例介绍
【实例简介】
【实例截图】
【核心代码】
VERSION 5.00
Begin VB.Form Dog
Caption = "加密狗检测窗口"
ClientHeight = 5565
ClientLeft = 120
ClientTop = 420
ClientWidth = 5055
Icon = "Form1.frx":0000
LinkTopic = "Form1"
LockControls = -1 'True
ScaleHeight = 5565
ScaleWidth = 5055
StartUpPosition = 3 '窗口缺省
Begin VB.Frame Frame2
Height = 2985
Left = 30
TabIndex = 5
Top = 0
Width = 4995
Begin VB.Timer Timer1
Interval = 5000
Left = 4020
Top = 1410
End
Begin VB.Timer Timer2
Interval = 500
Left = 3540
Top = 1410
End
Begin VB.Label lblDisclaimer
AutoSize = -1 'True
Caption = "作者:海不扬波"
ForeColor = &H00000000&
Height = 180
Left = 165
TabIndex = 12
Top = 2085
Width = 1170
End
Begin VB.Label lblVersion
AutoSize = -1 'True
Caption = "版本:0.9.9"
Height = 180
Left = 1530
TabIndex = 11
Top = 720
Width = 900
End
Begin VB.Line Line1
BorderColor = &H00C0C0C0&
BorderWidth = 2
Index = 0
X1 = -15
X2 = 5534
Y1 = 1980
Y2 = 1980
End
Begin VB.Label lblTitle
AutoSize = -1 'True
Caption = "名称:加密狗检测工具"
ForeColor = &H00000000&
Height = 180
Left = 1530
TabIndex = 10
Top = 330
Width = 1710
End
Begin VB.Label lblDescription
Caption = "说明:检测优盘作为的加密狗是否已经连入电脑"
ForeColor = &H00000000&
Height = 870
Left = 1560
TabIndex = 9
Top = 1140
Width = 3300
End
Begin VB.Label Label4
AutoSize = -1 'True
Caption = "QQ:495661277"
Height = 180
Left = 1920
TabIndex = 8
Top = 2100
Width = 1080
End
Begin VB.Label Label2
AutoSize = -1 'True
Caption = "邮箱:495661277@qq.com"
Height = 180
Left = 180
TabIndex = 7
Top = 2340
Width = 1890
End
Begin VB.Label Label3
AutoSize = -1 'True
Caption = "承接各种小项目,有意者请与我联系!"
Height = 180
Left = 150
TabIndex = 6
Top = 2640
Width = 2880
End
Begin VB.Image Image1
Height = 1665
Left = 120
Picture = "Form1.frx":08CA
Stretch = -1 'True
Top = 210
Width = 1185
End
End
Begin VB.Frame Frame1
Height = 675
Left = 30
TabIndex = 1
Top = 2940
Width = 4995
Begin VB.Label Labstate
BackColor = &H000000FF&
Height = 345
Left = 90
TabIndex = 4
Top = 210
Width = 285
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "当前优盘序列号:"
Height = 180
Left = 450
TabIndex = 3
Top = 270
Width = 1350
End
Begin VB.Label Labnum
AutoSize = -1 'True
Caption = "000000000000000"
BeginProperty Font
Name = "宋体"
Size = 9
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 180
Left = 1920
TabIndex = 2
Top = 270
Width = 1575
End
End
Begin VB.TextBox TxtRiZhi
Height = 2835
Left = 30
Locked = -1 'True
MultiLine = -1 'True
ScrollBars = 3 'Both
TabIndex = 0
Top = 3690
Width = 5025
End
End
Attribute VB_Name = "Dog"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public XuLieHao As String '序列号
Public Alarm As Boolean '闪烁标志,用于显示检测的运行状态
Public XuLieHaoNeiZhi As String '内置的序列号
Public UPanRight As Boolean '优盘改变的状态标志
Public UpanError As Boolean '优盘改变状态的标志
'Download by http://www.NewXing.com
'说明:计算MD5值的算法
'来源于网络:2009-11-1
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
'Download by http://www.NewXing.com
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, lens)
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 lens = 16 Then
MD5 = UCase(WordToHex(b) & WordToHex(c)) '16位
ElseIf lens = 32 Then
MD5 = UCase(WordToHex(a) & WordToHex(b) & WordToHex(c) & WordToHex(d)) '32位
End If
End Function
Public Function Dog()
On Error Resume Next
Set objWMIService = GetObject("winmgmts:\\.\root\cimv2")
Set colItems = objWMIService.ExecQuery("Select * From Win32_USBHub")
For Each objItem In colItems
a = objItem.DeviceID 'U盘识别为:USB\VID_09A6&PID_800\20040418154911-00，故用VID判别
If a Like "*VID*" Then b = Split(a, "\")
Dog = b(UBound(b))
'上句亦可:If InStr(a, "VID") Then b = Split(a, "\"): MsgBox b(UBound(b))
Next
End Function
Private Sub Form_Load()
Labnum.Caption = MD5(Dog, 16)
XuLieHaoNeiZhi = "6A41FEC4CC08FC97" '内设的序列号，就是你想要作为看门狗用的u盘的序列号。
CheckDog
End Sub
Public Function CheckDog() '检测加密狗
XuLieHao = MD5(Dog, 16)
Labnum.Caption = XuLieHao
If XuLieHao <> XuLieHaoNeiZhi Then
'看门狗被拔出!
If UPanRight = False Then
TxtRiZhi.Text = TxtRiZhi.Text & Date & " " & Time & " " & "看门狗被拔出!" & Chr(13) & Chr(10)
UPanRight = True
Labstate.BackColor = vbRed
UpanError = False
End If
Else
'看门狗被插入!
If UpanError = False Then
TxtRiZhi.Text = TxtRiZhi.Text & Date & " " & Time & " " & "看门狗插入!" & Chr(13) & Chr(10)
UPanRight = False
UpanError = True
Labstate.BackColor = vbGreen
End If
End If
End Function
Private Sub Timer1_Timer() '定期调用加密狗检测程序
CheckDog
End Sub
Private Sub Timer2_Timer() '闪烁显示状态
If Alarm = False Then
Labstate.Visible = False
Alarm = True
Else
Labstate.Visible = True
Alarm = False
End If
End Sub
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