Password Encryption tool (C # code)

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[Original] Practical password encryption tool (C # code)

Running platform: Microsoft. NET Framework v1.1

Development platform: Microsoft Visual Studio. NET 2003

Using System;

Using System.Drawing;

Using System.Collections;

Using System.ComponentModel;

Using System.Windows.Forms;

Using System.Data;

Using System.Security.Cryptography;

Using System.Web.Security;

Namespace Hashpassword

{

///

Summary description of the Form1.

///

public class Form1:System.Windows.Forms.Form

{

Private System.Windows.Forms.Label Label1;

Private System.Windows.Forms.Label Label2;

Private System.Windows.Forms.TextBox Text_source;

Private System.Windows.Forms.Button button1;

Private System.Windows.Forms.Button button2;

Private System.Windows.Forms.TextBox Text_result;

Private System.Windows.Forms.RadioButton Radio32;

Private System.Windows.Forms.RadioButton radio16;

Private System.Windows.Forms.RadioButton radio40;

Private System.Windows.Forms.RadioButton Radio1;

///

Required designer variable.

///

Private System.ComponentModel.Container rs = null;

Public Form1 ()

{

//

Required for Windows Forms Designer support

//

InitializeComponent ();

//

TODO: Add any constructor code after InitializeComponent call

//

}

///

Clean up all resources in use.

///

protected override void Dispose (bool disposing)

{

if (disposing)

{

if (Rs!= null)

{

Rs. Dispose ();

}

}

Base. Dispose (disposing);

}

Code generated #region the Windows forms Designer

///

Designer supports required methods-do not use the Code editor to modify

The contents of this method.

///

private void InitializeComponent ()

{

This.label1 = new System.Windows.Forms.Label ();

This.label2 = new System.Windows.Forms.Label ();

This. Text_result = new System.Windows.Forms.TextBox ();

This. Text_source = new System.Windows.Forms.TextBox ();

This.button1 = new System.Windows.Forms.Button ();

This.button2 = new System.Windows.Forms.Button ();

This.radio32 = new System.Windows.Forms.RadioButton ();

this.radio16 = new System.Windows.Forms.RadioButton ();

This.radio40 = new System.Windows.Forms.RadioButton ();

This.radio1 = new System.Windows.Forms.RadioButton ();

This. SuspendLayout ();

//

Label1

//

This.label1.Location = new System.Drawing.Point (32, 24);

This.label1.Name = "Label1";

This.label1.Size = new System.Drawing.Size (96, 16);

This.label1.TabIndex = 1;

This.label1.Text = "Pre-encrypted string:";

//

Label2

//

This.label2.Location = new System.Drawing.Point (32, 88);

This.label2.Name = "Label2";

This.label2.Size = new System.Drawing.Size (96, 16);

This.label2.TabIndex = 2;

This.label2.Text = "Encrypted string:";

//

Text_result

//

This. Text_result.backcolor = System.Drawing.SystemColors.HighlightText;

This. Text_result.location = new System.Drawing.Point (120, 80);

This. Text_result.name = "Text_result";

This. Text_result.readonly = true;

This. Text_result.size = new System.Drawing.Size (248, 21);

This. Text_result.tabindex = 3;

This. Text_result.text = "";

//

Text_source

//

This. Text_source.location = new System.Drawing.Point (120, 16);

This. Text_source.name = "Text_source";

This. Text_source.size = new System.Drawing.Size (248, 21);

This. Text_source.tabindex = 2;

This. Text_source.text = "";

This. Text_source.textchanged + = new System.EventHandler (this. text_source_textchanged);

//

Button1

//

This.button1.Location = new System.Drawing.Point (120, 112);

This.button1.Name = "Button1";

This.button1.TabIndex = 5;

This.button1.Text = "Encrypt";

This.button1.Click + = new System.EventHandler (This.button1_click);

//

Button2

//

This.button2.Location = new System.Drawing.Point (240, 112);

This.button2.Name = "Button2";

This.button2.TabIndex = 6;

This.button2.Text = "Exit";

This.button2.Click + = new System.EventHandler (This.button2_click);

//

Radio32

//

This.radio32.Checked = true;

This.radio32.Location = new System.Drawing.Point (72, 48);

This.radio32.Name = "Radio32";

This.radio32.Size = new System.Drawing.Size (72, 24);

This.radio32.TabIndex = 7;

This.radio32.TabStop = true;

This.radio32.Text = "md5_32 bit";

This.radio32.CheckedChanged + = new System.EventHandler (this.radio32_checkedchanged);

//

Radio16

//

This.radio16.Location = new System.Drawing.Point (144, 48);

This.radio16.Name = "Radio16";

This.radio16.Size = new System.Drawing.Size (72, 24);

This.radio16.TabIndex = 8;

This.radio16.Text = "Md5_16 bit";

This.radio16.CheckedChanged + = new System.EventHandler (this.radio16_checkedchanged);

//

Radio40

//

This.radio40.Location = new System.Drawing.Point (216, 48);

This.radio40.Name = "Radio40";

This.radio40.Size = new System.Drawing.Size (72, 24);

This.radio40.TabIndex = 9;

This.radio40.Text = "SHA1 Encryption";

This.radio40.CheckedChanged + = new System.EventHandler (this.radio40_checkedchanged);

//

Radio1

//

This.radio1.Location = new System.Drawing.Point (296, 48);

This.radio1.Name = "Radio1";

This.radio1.TabIndex = 10;

This.radio1.Text = "unique identity encryption";

This.radio1.CheckedChanged + = new System.EventHandler (this.radio1_checkedchanged);

//

Form1

//

This. AutoScaleBaseSize = new System.Drawing.Size (6, 14);

This. ClientSize = new System.Drawing.Size (416, 149);

This. Controls.Add (THIS.RADIO1);

This. Controls.Add (THIS.RADIO40);

This. Controls.Add (THIS.RADIO16);

This. Controls.Add (THIS.RADIO32);

This. Controls.Add (This.button2);

This. Controls.Add (This.button1);

This. Controls.Add (this. Text_source);

This. Controls.Add (this. Text_result);

This. Controls.Add (THIS.LABEL2);

This. Controls.Add (THIS.LABEL1);

This. MaximizeBox = false;

This. Name = "Form1";

This. StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;

This. Text = "Password encryption tool-Velon qq:7421021";

This. ResumeLayout (FALSE);

}

#endregion

///

The main entry point for the application.

///

[STAThread]

static void Main ()

{

Application.Run (New Form1 ());

}

private void Button2_Click (object sender, System.EventArgs e)

{

Application.exit ();

}

private void Button1_Click (object sender, System.EventArgs e)

{

Getcheckchanged ();

}

private string Gethashpassword_md5_32 (String sourcetext)

{

Return FormsAuthentication.HashPasswordForStoringInConfigFile (SourceText, "MD5"). ToLower ();

}

private string Gethashpassword_md5_16 (String sourcetext)

{

Return FormsAuthentication.HashPasswordForStoringInConfigFile (SourceText, "MD5"). ToLower (). Substring (9,0x10);

}

private string Gethashpassword_sha1_40 (String sourcetext)

{

Return FormsAuthentication.HashPasswordForStoringInConfigFile (SourceText, "SHA1"). ToLower ();

}

Private Guid Getstringhash (string sourcetext)

{

BYTE] bytes = System.Text.Encoding.Unicode.GetBytes (sourcetext);

MD5 MD5 = new MD5CryptoServiceProvider ();

BYTE] hashed = Md5.computehash (bytes);

GUID id = new GUID (hashed);

MD5. Clear ();

return ID;

}

private void Radio16_checkedchanged (object sender, System.EventArgs e)

{

Text_result.text = Gethashpassword_md5_16 (Text_source.text);

}

private void Radio40_checkedchanged (object sender, System.EventArgs e)

{

Text_result.text = gethashpassword_sha1_40 (Text_source.text);

}

private void Radio1_checkedchanged (object sender, System.EventArgs e)

{

Text_result.text = Getstringhash (Text_source.text). ToString ();

}

private void Radio32_checkedchanged (object sender, System.EventArgs e)

{

Text_result.text = gethashpassword_md5_32 (Text_source.text);

}

private void getcheckchanged ()

{

if (radio32. Checked)

{

Text_result.text = gethashpassword_md5_32 (Text_source.text);

}

else if (radio16. Checked)

{

Text_result.text = Gethashpassword_md5_16 (Text_source.text);

}

else if (radio40. Checked)

{

Text_result.text = gethashpassword_sha1_40 (Text_source.text);

}

Else

{

Text_result.text = Getstringhash (Text_source.text). ToString ();

}

}

private void Text_source_textchanged (object sender, System.EventArgs e)

{

Getcheckchanged ();

}

}

}

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