04-01-2011, 04:19 AM
I have posted a code here on bpforums
It encrypts the text you input with a password of your choice
1 Form
2 Textboxes 1 of them is multilined and the other is for password
2 buttons Encrypt and Decrypt
It encrypts the text you input with a password of your choice
1 Form
2 Textboxes 1 of them is multilined and the other is for password
2 buttons Encrypt and Decrypt
Code:
Public Class Form1
Dim DES As New System.Security.Cryptography.TripleDESCryptoServiceProvider
Dim Hash As New System.Security.Cryptography.MD5CryptoServiceProvider
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Try
DES.Key = Hash.ComputeHash(System.Text.ASCIIEncoding.ASCII.GetBytes(TextBox1.Text))
DES.Mode = Security.Cryptography.CipherMode.ECB
Dim DESEncrypter As System.Security.Cryptography.ICryptoTransform = DES.CreateEncryptor
Dim Buffer As Byte() = System.Text.ASCIIEncoding.ASCII.GetBytes(TextBox2.Text)
TextBox2.Text = Convert.ToBase64String(DESEncrypter.TransformFinalBlock(Buffer, 0, Buffer.Length))
Catch ex As Exception
MessageBox.Show("The following error(s) have occurred: " & ex.Message, Me.Text, MessageBoxButtons.OK, MessageBoxIcon.Error)
End Try
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Try
DES.Key = Hash.ComputeHash(System.Text.ASCIIEncoding.ASCII.GetBytes(TextBox1.Text))
DES.Mode = Security.Cryptography.CipherMode.ECB
Dim DESDecrypter As System.Security.Cryptography.ICryptoTransform = DES.CreateDecryptor
Dim Buffer As Byte() = Convert.FromBase64String(TextBox2.Text)
TextBox2.Text = System.Text.ASCIIEncoding.ASCII.GetString(DESDecrypter.TransformFinalBlock(Buffer, 0, Buffer.Length))
Catch ex As Exception
MessageBox.Show("The following error(s) have occurred: " & ex.Message, Me.Text, MessageBoxButtons.OK, MessageBoxIcon.Error)
End Try
End Sub
End Class
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E-Mail: <!-- e --><a href="mailtoatrick@AriSystems.Org">Patrick@AriSystems.Org</a><!-- e -->
Skype: Qwaxer
Youtube: Qwaxer