毕业论文论文范文课程设计实践报告法律论文英语论文教学论文医学论文农学论文艺术论文行政论文管理论文计算机安全
您现在的位置: 毕业论文 >> 课程设计 >> 正文

凯撒密码VB方法

更新时间:2008-7-14:  来源:毕业论文

凯撒密码VB方法
Form1 = 44, 58, 635, 507, C, 16, 50, 607, 499, C
Form2 = 84, 99, 675, 548, C, 60, 19, 651, 468, C
Form3 = -2, 0, 741, 551, , 42, 8, 706, 539, C
Form4 = 16, 28, 722, 604, C, 36, 11, 710, 533, C
Type=Exe
Form=Form1.frm
Reference=*\G{00020430-0000-0000-C000-000000000046}#2.0#0#C:\WINDOWS\system32\stdole2.tlb#OLE Automation
Form=Form2.frm
Form=Form3.frm
Form=Form4.frm
IconForm="Form1"
Startup="Form1"
ExeName32="凯撒.exe"
Path32="0408008402刘夏毓\VB方法"
Command32=""
Name="工程1"
HelpContextID="0"
CompatibleMode="0"
MajorVer=1
MinorVer=0
RevisionVer=0
AutoIncrementVer=0
ServerSupportFiles=0
VersionCompanyName="JUJUMAO"
CompilationType=0
凯撒密码VB方法
FlPointCheck=0
FDIVCheck=0
UnroundedFP=0
StartMode=0
Unattended=0
Retained=0
ThreadPerObject=0
MaxNumberOfThreads=1

[MS Transaction Server]
AutoRefresh=1
VERSION 5.00
Begin VB.Form Form4
   Caption         =   "Form4"
   ClientHeight    =   5325
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   8955
   LinkTopic       =   "Form4"
   ScaleHeight     =   5085
   ScaleMode       =   0  'User
   ScaleWidth      =   8445
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command3
      Caption         =   "返回"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   6600
      TabIndex        =   10
      Top             =   4320
      Width           =   1935
   End
   Begin VB.CommandButton Command2
      Caption         =   "清除"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   3840
      TabIndex        =   9
      Top             =   4320
      Width           =   1935
若图片无法显示请联系QQ752018766,凯撒密码VB方法系统免费,转发请注明源于
www.youerw.com
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   1080
      TabIndex        =   8
      Top             =   4320
      Width           =   1815
   End
   Begin VB.Frame Frame2
      Caption         =   "输出数据框"
      Height          =   3495
      Left            =   5040
      TabIndex        =   1
      Top             =   480
      Width           =   3735
      Begin VB.TextBox Text3
         BeginProperty Font
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   480
         TabIndex        =   7
         Top             =   1440
         Width           =   3015
      End
      Begin VB.Label Label3
         Caption         =   "明文为:"
         BeginProperty Font
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   240
         TabIndex        =   6
         Top             =   840
         Width           =   1575
      End
   End
   Begin VB.Frame Frame1
      Caption         =   "输入数据框"
      Height          =   3495
      Left            =   360
      TabIndex        =   0
      Top             =   480
      Width           =   4095
      Begin VB.TextBox Text2
         BeginProperty Font
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         IMEMode         =   3  'DISABLE
         Left            =   1440
         PasswordChar    =   "*"
         TabIndex        =   5
         Top             =   1800
         Width           =   2295
      End
      Begin VB.TextBox Text1
         BeginProperty Font
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   1440
         TabIndex        =   4
         Top             =   720
         Width           =   2295
      End
      Begin VB.Label Label2
         Caption         =   "请输入密钥:"
         BeginProperty Font
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   120
         TabIndex        =   3
         Top             =   1920
         Width           =   1455
      End
      Begin VB.Label Label1
         Caption         =   "请输入秘文:"
         BeginProperty Font
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   120
         TabIndex        =   2
         Top             =   840
         Width           =   1455
      End
   End
End
Attribute VB_Name = "Form4"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Function f(ByVal a As String, k As Integer) As String
If ((Asc(a) >= 65 And Asc(a) <= 90)) And Len(a) = 1 Then
 If ((Asc(a) - k Mod 26) < 65) Then
 m = Asc(a) - k Mod 26 + 26
 f = Chr(m + 32)
Else
 f = Chr(Asc(a) - k Mod 26 + 32)
End If
End If
End Function

Private Sub Command1_Click()
Dim shuru As String
Dim shuchu As String
Dim k As Integer
Dim n As Integer
Dim i As Long
Dim tmp As String
If Not IsNumeric(Text2.Text) Then
MsgBox "输入的密钥应为数字!", 64, "信息提示"
Text2.Text = ""
Else
k = Text2.Text
End If
shuru = Text1.Text '要解密的字符串
For i = 1 To Len(shuru)
tmp = Mid(shuru, i, 1)
tmp = f(tmp, k)
If tmp <> "error" Then
shuchu = shuchu + tmp
Else
MsgBox "字符串中含有非法字符"
Exit Sub
End If
Next i
Text3.Text = shuchu
End Sub

Private Sub Command2_Click()
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
End Sub

Private Sub Command3_Click()
Form4.Hide
Form2.Show

End SubVERSION 5.00
Begin VB.Form Form3
   Caption         =   "Form3"
   ClientHeight    =   5085
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   8445
   LinkTopic       =   "Form3"
   ScaleHeight     =   5085
   ScaleWidth      =   8445
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command3
      Caption         =   "清除"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   3480
      TabIndex        =   10
      Top             =   4320
      Width           =   1815
   End
   Begin VB.CommandButton Command2
      Caption         =   "返回"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   15
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   5880
      TabIndex        =   3
      Top             =   4320
      Width           =   1815
   End
   Begin VB.CommandButton Command1
      Caption         =   "加密"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   15
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   840
      TabIndex        =   2
      Top             =   4320
      Width           =   1815
   End
   Begin VB.Frame Frame2
      Caption         =   "输出数据框"
      Height          =   3255
      Left            =   4680
      TabIndex        =   1
      Top             =   720
      Width           =   3135
      Begin VB.TextBox Text3
         BeginProperty Font
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   360
         TabIndex        =   9
         Top             =   1320
         Width           =   2295
      End
      Begin VB.Label Label3
         Caption         =   "密文为:"
         BeginProperty Font
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   240
         TabIndex        =   8
         Top             =   720
         Width           =   1335
      End
   End
   Begin VB.Frame Frame1
      Caption         =   "输入数据框"
      Height          =   3255
      Left            =   480
      TabIndex        =   0
      Top             =   720
      Width           =   3615
      Begin VB.TextBox Text2
         BeginProperty Font
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         IMEMode         =   3  'DISABLE
         Left            =   1440
         PasswordChar    =   "*"
若图片无法显示请联系QQ752018766,凯撒密码VB方法系统免费,转发请注明源于
www.youerw.com
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   1440
         TabIndex        =   5
         Top             =   720
         Width           =   2055
      End
      Begin VB.Label Label2
         Caption         =   "请输入密钥:"
         BeginProperty Font
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   120
         TabIndex        =   6
         Top             =   2040
         Width           =   1455
      End
      Begin VB.Label Label1
         Caption         =   "请输入明文:"
         BeginProperty Font
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   120
         TabIndex        =   4
         Top             =   840
         Width           =   1455
      End
   End
End
Attribute VB_Name = "Form3"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Function f(ByVal a As String, k As Integer) As String
If ((Asc(a) >= 97 And Asc(a) <= 122)) And Len(a) = 1 Then
If ((Asc(a) + k Mod 26) > 122) Then
m = Asc(a) + k Mod 26 - 26
f = Chr(m - 32)
Else
f = Chr((Asc(a) + k Mod 26) - 32)
End If
End If
End Function

Private Sub Command1_Click()
Dim shuru As String
Dim shuchu As String
Dim k As Integer
Dim n As Integer
Dim i As Long
Dim tmp As String
If Not IsNumeric(Text2.Text) Then
MsgBox "输入的密钥应为数字!", 64, "信息提示"
Text2.Text = ""
Else
k = Text2.Text
End If
shuru = Text1.Text

 For i = 1 To Len(shuru)

 tmp = Mid(shuru, i, 1)
 tmp = f(tmp, k)

If tmp <> "error" Then
shuchu = shuchu + tmp
Else
MsgBox "字符串中含有非法字符"
Exit Sub
End If
Next i
Text3.Text = shuchu
End Sub

Private Sub Command2_Click()
Form3.Hide
Form2.Show

End Sub

Private Sub Command3_Click()
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""

End SubVERSION 5.00
Begin VB.Form Form2
   Caption         =   "Form2"
   ClientHeight    =   3585
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   5055
   LinkTopic       =   "Form2"
   ScaleHeight     =   3585
   ScaleWidth      =   5055
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2
      Caption         =   "退出"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   2760
      TabIndex        =   5
      Top             =   2760
      Width           =   1575
   End
   Begin VB.CommandButton Command1
      Caption         =   "确定"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   360
      TabIndex        =   4
      Top             =   2760
      Width           =   1695
   End
   Begin VB.OptionButton Option2
      Caption         =   "Option2"
      Height          =   375
      Left            =   1200
      TabIndex        =   1
      Top             =   1760
      Width           =   255
   End
   Begin VB.OptionButton Option1
      Caption         =   "Option1"
      Height          =   375
      Left            =   1200
      TabIndex        =   0
      Top             =   1050
      Width           =   255
   End
   Begin VB.Label Label2
      Caption         =   "解密"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1560
      TabIndex        =   3
      Top             =   1800
      Width           =   1215
   End
   Begin VB.Label Label1
      Caption         =   "加密"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1560
      TabIndex        =   2
      Top             =   1080
      Width           =   1215
   End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Form2.Hide
If Option1.Value = True Then
Form3.Show
Else
Form4.Show
End If


End Sub

Private Sub Command2_Click()
End
End Sub
VERSION 5.00
Begin VB.Form Form1
   Caption         =   "Form1"
   ClientHeight    =   5205
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   8280
   ForeColor       =   &H000000FF&
   LinkTopic       =   "Form1"
   ScaleHeight     =   5205
   ScaleWidth      =   8280
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1
      BackColor       =   &H00C0C0C0&
      Caption         =   "确定"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   735
      Left            =   3000
      TabIndex        =   1
      Top             =   3240
      Width           =   2055
   End
   Begin VB.Label Label1
      Caption         =   "欢迎进入凯撒密码世界!"
      BeginProperty Font
         Name            =   "宋体"
         Size            =   26.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00808080&
      Height          =   615
      Left            =   1200
      TabIndex        =   0
      Top             =   1680
      Width           =   6015
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Form1.Hide
Form2.Show

End Sub

凯撒密码VB方法下载如图片无法显示或论文不完整,请联系qq752018766
设为首页 | 联系站长 | 友情链接 | 网站地图 |

copyright©youerw.com 优文论文网 严禁转载
如果本毕业论文网损害了您的利益或者侵犯了您的权利,请及时联系,我们一定会及时改正。