?? ftest.frm
字號:
VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "mscomctl.ocx"
Begin VB.Form fTest
BorderStyle = 3 'Fixed Dialog
Caption = "Variable Encryption Test"
ClientHeight = 7260
ClientLeft = 45
ClientTop = 330
ClientWidth = 8340
ForeColor = &H8000000F&
Icon = "fTest.frx":0000
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 7260
ScaleWidth = 8340
StartUpPosition = 2 '屏幕中心
Begin MSComctlLib.ImageList imlNodeTypes
Left = 3705
Top = 5415
_ExtentX = 1005
_ExtentY = 1005
BackColor = -2147483643
ImageWidth = 12
ImageHeight = 12
MaskColor = 12632256
_Version = 393216
BeginProperty Images {2C247F25-8591-11D1-B16A-00C0F0283628}
NumListImages = 3
BeginProperty ListImage1 {2C247F27-8591-11D1-B16A-00C0F0283628}
Picture = "fTest.frx":0CCE
Key = "Root"
EndProperty
BeginProperty ListImage2 {2C247F27-8591-11D1-B16A-00C0F0283628}
Picture = "fTest.frx":0EDE
Key = "Leaf"
EndProperty
BeginProperty ListImage3 {2C247F27-8591-11D1-B16A-00C0F0283628}
Picture = "fTest.frx":10EE
Key = "Node"
EndProperty
EndProperty
End
Begin MSComctlLib.TreeView tvwTree
Height = 2325
Left = 900
TabIndex = 16
TabStop = 0 'False
Top = 4725
Width = 7200
_ExtentX = 12700
_ExtentY = 4101
_Version = 393217
Indentation = 353
LabelEdit = 1
LineStyle = 1
Style = 7
ImageList = "imlNodeTypes"
Appearance = 1
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "Courier New"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
End
Begin VB.TextBox txHex
BeginProperty Font
Name = "Courier New"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 960
Left = 900
Locked = -1 'True
MultiLine = -1 'True
TabIndex = 13
TabStop = 0 'False
Top = 3675
Width = 3555
End
Begin VB.ListBox lstCodes
BeginProperty Font
Name = "Courier New"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 4050
Left = 4590
TabIndex = 11
TabStop = 0 'False
Top = 585
Width = 3510
End
Begin VB.TextBox txScrambled
BeginProperty Font
Name = "Courier New"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 960
Left = 900
Locked = -1 'True
MultiLine = -1 'True
TabIndex = 7
TabStop = 0 'False
Top = 2625
Width = 3555
End
Begin VB.TextBox txClear
BeginProperty Font
Name = "Courier New"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 960
Left = 900
MultiLine = -1 'True
TabIndex = 3
Top = 930
Width = 3555
End
Begin VB.CommandButton btDecrypt
Caption = "&Decrypt"
Height = 495
Left = 3390
TabIndex = 5
Top = 1995
Width = 1065
End
Begin VB.TextBox txKey
Height = 285
Left = 900
TabIndex = 1
Top = 210
Width = 3510
End
Begin VB.CommandButton btEncrypt
Caption = "&Encrypt"
Height = 495
Left = 900
TabIndex = 4
Top = 1995
Width = 1065
End
Begin VB.Label lb
Alignment = 1 'Right Justify
Caption = "Tree"
Height = 195
Index = 7
Left = 225
TabIndex = 17
Top = 4770
Width = 570
End
Begin VB.Label lbCount
Alignment = 2 'Center
Height = 195
Left = 2265
TabIndex = 15
Top = 2160
Width = 840
End
Begin VB.Label lb
Alignment = 1 'Right Justify
Caption = "Encypted Text (hex)"
Height = 660
Index = 6
Left = 90
TabIndex = 14
Top = 3675
Width = 735
End
Begin VB.Label lb
Caption = "Generated Codes"
Height = 195
Index = 5
Left = 4590
TabIndex = 12
Top = 270
Width = 1245
End
Begin VB.Label lbMinMax
AutoSize = -1 'True
Height = 195
Left = 900
TabIndex = 10
Top = 525
Width = 45
End
Begin VB.Label lb
AutoSize = -1 'True
BackStyle = 0 'Transparent
BeginProperty Font
Name = "Wingdings"
Size = 15.75
Charset = 2
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 345
Index = 3
Left = 1950
TabIndex = 8
Top = 2100
Width = 210
End
Begin VB.Label lb
AutoSize = -1 'True
BackStyle = 0 'Transparent
BeginProperty Font
Name = "Wingdings"
Size = 15.75
Charset = 2
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 345
Index = 4
Left = 3150
TabIndex = 9
Top = 2085
Width = 255
End
Begin VB.Label lb
Alignment = 1 'Right Justify
Caption = "Encypted Text"
Height = 405
Index = 2
Left = 0
TabIndex = 6
Top = 2670
Width = 810
End
Begin VB.Label lb
Alignment = 1 'Right Justify
Caption = "&Clear Text"
Height = 390
Index = 1
Left = 60
TabIndex = 2
Top = 945
Width = 735
End
Begin VB.Label lb
AutoSize = -1 'True
Caption = "&Key"
Height = 195
Index = 0
Left = 555
TabIndex = 0
Top = 255
Width = 270
End
End
Attribute VB_Name = "fTest"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
DefLng A-Z
Private Coder As cEncDec
Attribute Coder.VB_VarDescription = "Class instance"
Private Encrypted As String
Attribute Encrypted.VB_VarDescription = "Encrypted string, used because the textboxes don't like Chr$(0)"
Private Decrypted As String
Private Sub AdjUI(Enable As Boolean)
btEncrypt.Enabled = Enable
btDecrypt.Enabled = Enable
txClear.Enabled = Enable
txScrambled.Enabled = Enable
Screen.MousePointer = IIf(Enable, vbDefault, vbHourglass)
DoEvents
End Sub
Private Sub btDecrypt_Click()
txClear = ""
AdjUI False
Err.Clear
On Error Resume Next
'decrypt text and compare signatures (from decrypted text and reconstructed)
'======================================================================
Decrypted = Coder.Decrypt(Encrypted, txKey)
If Err = 0 Then 'no error from decryption, compare signatures
If Left$(Decrypted, 16) = Coder.Signature(True, txKey & Mid$(Decrypted, 17), [Medium]) Then 'ok - display decrypted message
txClear = Mid$(Decrypted, 17)
Else 'NOT LEFT$(DECRYPTED,...
txClear = ""
Err.Raise 1002, , "The key is wrong."
End If
End If
'======================================================================
FeedMinMax Err
AdjUI True
If Err Then
MsgBox "Cannot decrypt: " & Err.Description, , "Error " & Err & " from " & Err.Source
txKey.SetFocus
End If
On Error GoTo 0
End Sub
Private Sub btEncrypt_Click()
Dim Pointer
txScrambled = ""
txHex = ""
AdjUI False
Err.Clear
On Error Resume Next
'produce signature from key & text and then encrypt both the signature and the text
'==============================================================================
Encrypted = Coder.Encrypt(Coder.Signature(True, txKey & txClear, [Medium]) & txClear, txKey)
'==============================================================================
FeedMinMax Err
AdjUI True
If Err Then
MsgBox "Cannot encrypt: " & Err.Description, , "Error " & Err & " from " & Err.Source
txKey.SetFocus
Encrypted = ""
End If
On Error GoTo 0
txScrambled = Encrypted
txScrambled.Refresh
For Pointer = 1 To Len(Encrypted)
On Error Resume Next
txHex.SelText = Right$("0" & Hex$(Asc(Mid$(Encrypted, Pointer, 1))), 2) & " "
If Err Then
Exit For '>---> Next
End If
On Error GoTo 0
Next Pointer
txHex.SelStart = 0
End Sub
Private Sub FeedMinMax(HasNoValues)
If HasNoValues Then
lbMinMax = vbNullString
lbCount = vbNullString
Else 'HASNOVALUES = FALSE
lbMinMax = "Min encrypted char length is " & Coder.MinCodeLength & ", max is " & Coder.MaxCodeLength & " bits"
lbCount = Coder.BytesPerSecond & "b/s"
End If
End Sub
Private Sub Form_Load()
Set Coder = New cEncDec
End Sub
':) Ulli's VB Code Formatter V2.9.4 (06.02.2002 12:45:01) 6 + 98 = 104 Lines
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -