form1.vb

MD5加密的源码实现对文件的加密不错的东西哦

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写 dispose 以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents RadioButton1 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton2 As System.Windows.Forms.RadioButton
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.RadioButton1 = New System.Windows.Forms.RadioButton
        Me.RadioButton2 = New System.Windows.Forms.RadioButton
        Me.Button1 = New System.Windows.Forms.Button
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(16, 16)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(232, 21)
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = ""
        '
        'RadioButton1
        '
        Me.RadioButton1.Location = New System.Drawing.Point(16, 48)
        Me.RadioButton1.Name = "RadioButton1"
        Me.RadioButton1.TabIndex = 1
        Me.RadioButton1.Text = "16位"
        '
        'RadioButton2
        '
        Me.RadioButton2.Checked = True
        Me.RadioButton2.Location = New System.Drawing.Point(128, 48)
        Me.RadioButton2.Name = "RadioButton2"
        Me.RadioButton2.TabIndex = 2
        Me.RadioButton2.TabStop = True
        Me.RadioButton2.Text = "32位"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(264, 16)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(75, 56)
        Me.Button1.TabIndex = 3
        Me.Button1.Text = "加密"
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(16, 88)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(328, 56)
        Me.Label1.TabIndex = 4
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(8, 184)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(336, 23)
        Me.Label2.TabIndex = 5
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(24, 152)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(312, 21)
        Me.TextBox2.TabIndex = 0
        Me.TextBox2.Text = ""
        '
        'Form1
        '
        Me.AcceptButton = Me.Button1
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(352, 214)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.RadioButton2)
        Me.Controls.Add(Me.RadioButton1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.TextBox2)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.MaximizeBox = False
        Me.Name = "Form1"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "MD5加密过程"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim i As Integer
        If RadioButton2.Checked = True Then
            i = 32
        ElseIf RadioButton1.Checked = True Then
            i = 16
        End If
        Dim md5str As String
        md5str = MD5(TextBox1.Text.Trim, i)
        Label1.Text = "您查询的值 " & TextBox1.Text & " 其MD5值为 " & md5str & " 共 " & Len(md5str) & " 位"
        TextBox2.Text = md5str
    End Sub

End Class