Visual Basic Source Code/Visual Basic Source Code.iso/vbsource/encdec/encdec.frm

Text File | 1999-10-06 | 6KB | 230 lines

VERSION 5.00
Begin VB.Form encdec
   Caption         =   "Developed by Nikki - Encryption/decryption"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4980
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4980
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton Command3
      Caption         =   "End"
      Height          =   825
      Left            =   2070
      Picture         =   "encdec.frx":0000
      Style           =   1  'Graphical
      TabIndex        =   13
      Top             =   2280
      Width           =   945
   End
   Begin VB.CommandButton Command2
      Caption         =   "Decrypt value in Box 3."
      Height          =   465
      Left            =   3180
      TabIndex        =   5
      Top             =   2520
      Width           =   1185
   End
   Begin VB.TextBox decr
      Height          =   285
      Left            =   2880
      TabIndex        =   4
      Top             =   450
      Width           =   1605
   End
   Begin VB.TextBox svd
      Height          =   465
      Left            =   1110
      TabIndex        =   2
      Top             =   1620
      Width           =   2535
   End
   Begin VB.CommandButton Command1
      Caption         =   "Encrypt value in Box 1."
      Height          =   435
      Left            =   330
      TabIndex        =   1
      Top             =   2550
      Width           =   1425
   End
   Begin VB.TextBox pwd
      Height          =   315
      Left            =   360
      TabIndex        =   0
      Top             =   480
      Width           =   1665
   End
   Begin VB.Label Label6
      Caption         =   "3."
      BeginProperty Font
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   450
      TabIndex        =   12
      Top             =   1650
      Width           =   375
   End
   Begin VB.Label Label5
      Caption         =   "2."
      BeginProperty Font
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   405
      Left            =   2490
      TabIndex        =   11
      Top             =   420
      Width           =   315
   End
   Begin VB.Label Label4
      Caption         =   "1."
      BeginProperty Font
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   285
      Left            =   30
      TabIndex        =   10
      Top             =   540
      Width           =   285
   End
   Begin VB.Label Label3
      Caption         =   "Decrypting encrypted string"
      Height          =   645
      Left            =   3870
      TabIndex        =   9
      Top             =   1440
      Width           =   885
   End
   Begin VB.Label Label2
      Caption         =   "Value obtained after performing algorithm"
      Height          =   495
      Left            =   150
      TabIndex        =   8
      Top             =   1140
      Width           =   1845
   End
   Begin VB.Line Line3
      X1              =   4080
      X2              =   4140
      Y1              =   1050
      Y2              =   1230
   End
   Begin VB.Line Line2
      X1              =   3900
      X2              =   4050
      Y1              =   1050
      Y2              =   1020
   End
   Begin VB.Line Line1
      X1              =   3750
      X2              =   4080
      Y1              =   1620
      Y2              =   990
   End
   Begin VB.Label b
      Height          =   285
      Left            =   3150
      TabIndex        =   7
      Top             =   840
      Width           =   945
   End
   Begin VB.Label a
      Height          =   315
      Left            =   420
      TabIndex        =   6
      Top             =   900
      Width           =   855
   End
   Begin VB.Label Label1
      Caption         =   "Enter a string to encrypted"
      Height          =   195
      Left            =   60
      TabIndex        =   3
      Top             =   150
      Width           =   1935
   End
End
Attribute VB_Name = "encdec"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
encrypwd

End Sub

Private Sub encrypwd()
Dim ori As String
Dim plen As Integer
Dim i As Integer
Dim tchg As String
Dim fchg As String
Dim asval As Integer

ori = pwd.Text
plen = Len(ori)
i = 1
fchg = ""

While Not i > plen

tchg = Mid(ori, i, 1)
asval = (Asc(tchg) + 4) * 2 - 4
fchg = fchg + Chr(asval)
i = i + 1
Wend
a.Caption = asval
svd.Text = fchg
End Sub



Private Sub decrypwd()
Dim tchg As String
Dim fchg As String
Dim plen As Integer
Dim i As Integer
Dim asval As Integer
i = 1
plen = Len(svd.Text)

While Not i > plen
tchg = Mid(svd.Text, i, 1)
asval = (Asc(tchg) + 4) / 2 - 4
fchg = fchg + Chr(asval)
i = i + 1
Wend
b.Caption = asval
decr.Text = fchg

End Sub

Private Sub Command2_Click()
decrypwd
End Sub

Private Sub Command3_Click()
End
End Sub