Ejemplo n.º 1
0
        private void buttonDecFile_Click(object sender, EventArgs e)
        {
            string protect = Crypt.Decrypt(_protect.protect, userName + mac, mac + userName, "SHA1", 2,
                                           "32CRYPTODATA0117", 256);
            string key = Crypt.Decrypt(_key.data, userName, mac, "SHA1", 2,
                                       "32CRYPTODATA0117", 256);

            try
            {
                if (protect == key)
                {
                    string name   = System.IO.Path.GetFileNameWithoutExtension(textBoxDir2.Text);
                    var    format = Crypt.Decrypt(name, key, mac, "SHA1", 2,
                                                  "32CRYPTODATA0117", 256);
                    GCHandle gch = GCHandle.Alloc(SecretKey.Key, GCHandleType.Pinned);
                    CryptFile.DecryptFile(textBoxDir2.Text, "decrypted" + "." + format, SecretKey);
                    gch.Free();
                    MessageBox.Show("The file was decrypted!", "Successfully", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                else
                {
                    MessageBox.Show("There was a problem with the protection system. Data can not be decrypted!", "Protect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    Application.Exit();
                }
            }
            catch
            {
                MessageBox.Show("There was a problem with the protection system. Data can not be decrypted!", "Protect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                Application.Exit();
            }
        }
Ejemplo n.º 2
0
        private void buttonDec2_Click(object sender, EventArgs e)
        {
            string protect = Crypt.Decrypt(_protect.protect, userName + mac, mac + userName, "SHA1", 2,
                                           "32CRYPTODATA0117", 256);
            string key = Crypt.Decrypt(_key.data, userName, mac, "SHA1", 2,
                                       "32CRYPTODATA0117", 256);

            try
            {
                if (protect == key)
                {
                    if (this.maskedPassword2.Text != "")
                    {
                        try
                        {
                            string name   = System.IO.Path.GetFileNameWithoutExtension(textBoxDir22.Text);
                            var    format = Crypt.Decrypt(name, this.maskedPassword2.Text, "EncryptFile/zArCIyCzbJxWwDfkHVD3Acty62lT7in9L", "SHA1", 2,
                                                          "32CRYPTODATA0117", 256);
                            GCHandle gch = GCHandle.Alloc(SecretKey.Key, GCHandleType.Pinned);
                            CryptFile.DecryptFile(textBoxDir22.Text, "decrypted" + "." + format, SecretKey);
                            gch.Free();
                            MessageBox.Show("The file was decrypted!", "Successfully", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        }
                        catch
                        {
                            MessageBox.Show("Incorrect password!", "Ooops!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                        }
                    }
                    else
                    {
                        MessageBox.Show("You did not enter anything!", "Ooops!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
                else
                {
                    MessageBox.Show("There was a problem with the protection system. Data can not be decrypted!", "Protect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    Application.Exit();
                }
            }
            catch
            {
                MessageBox.Show("There was a problem with the protection system. Data can not be decrypted!", "Protect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                Application.Exit();
            }
        }