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Pleese help Brandonio21
#2
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

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="mailtoTongueatrick@AriSystems.Org">Patrick@AriSystems.Org</a><!-- e -->
Skype: Qwaxer
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Messages In This Thread
Pleese help Brandonio21 - by RushingRussian - 04-01-2011, 12:23 AM
Re: Pleese help Brandonio21 - by xolara - 04-01-2011, 04:19 AM

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