コード例 #1
0
        private void btnProc_Click(object sender, EventArgs e)
        {
            if (lvwLoad.Items.Count < 1)
            {
                MessageBox.Show(Resources.MessageNoProcess, Resources.MessageBoxCaption, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                return;
            }

            var crypt = new Cryptor(ProtectedData.Unprotect(Convert.FromBase64String(Settings.Default.tfbin), null, DataProtectionScope.CurrentUser));

            var decryptFiles = lvwLoad.Items.Cast <ListViewItem>().Where(i => i.SubItems[1].Text == Resources.DecryptProperty).Select(_ => _.Text);
            var encryptFiles = lvwLoad.Items.Cast <ListViewItem>().Where(i => i.SubItems[1].Text == Resources.EncryptProperty).Select(_ => _.Text);

            if (decryptFiles.Any())
            {
                var pf = new pinForm(Encoding.ASCII.GetString(ProtectedData.Unprotect(Convert.FromBase64String(Settings.Default.tfbin), null, DataProtectionScope.CurrentUser)));
                switch (pf.ShowDialog(this))
                {
                case DialogResult.OK:
                    break;

                case DialogResult.Abort:
                    MessageBox.Show(Resources.MessageWrongPIN, Resources.MessageBoxCaption, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                    return;

                case DialogResult.Cancel:
                    return;
                }

                foreach (var f in decryptFiles)
                {
                    var plaintext = crypt.DecryptWithPassword(File.ReadAllBytes(f));
                    File.WriteAllBytes(f, plaintext);
                    File.Move(f, f.Substring(0, f.LastIndexOf(".", StringComparison.Ordinal)));
                }
            }

            foreach (var f in encryptFiles)
            {
                var cipherText = crypt.EncryptWithPassword(File.ReadAllBytes(f));
                File.WriteAllBytes(f, cipherText);
                File.Move(f, f + ".aesx");
            }

            lvwLoad.Items.Clear();
        }
コード例 #2
0
ファイル: frmCrypto.cs プロジェクト: therealartifex/caesar
        private void btnProc_Click(object sender, EventArgs e)
        {
            if (lvwLoad.Items.Count < 1)
            {
                MessageBox.Show(Resources.MessageNoProcess, Resources.MessageBoxCaption, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                return;
            }

            var crypt = new Cryptor(ProtectedData.Unprotect(Convert.FromBase64String(Settings.Default.tfbin), null, DataProtectionScope.CurrentUser));

            var decryptFiles = lvwLoad.Items.Cast<ListViewItem>().Where(i => i.SubItems[1].Text == Resources.DecryptProperty).Select(_ => _.Text);
            var encryptFiles = lvwLoad.Items.Cast<ListViewItem>().Where(i => i.SubItems[1].Text == Resources.EncryptProperty).Select(_ => _.Text);

            if (decryptFiles.Any())
            {
                var pf = new pinForm(Encoding.ASCII.GetString(ProtectedData.Unprotect(Convert.FromBase64String(Settings.Default.tfbin), null, DataProtectionScope.CurrentUser)));
                switch (pf.ShowDialog(this))
                {
                    case DialogResult.OK:
                        break;
                    case DialogResult.Abort:
                        MessageBox.Show(Resources.MessageWrongPIN, Resources.MessageBoxCaption, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                        return;
                    case DialogResult.Cancel:
                        return;
                }

                foreach (var f in decryptFiles)
                {
                    var plaintext = crypt.DecryptWithPassword(File.ReadAllBytes(f));
                    File.WriteAllBytes(f, plaintext);
                    File.Move(f, f.Substring(0, f.LastIndexOf(".", StringComparison.Ordinal)));
                }
            }

            foreach (var f in encryptFiles)
            {
                var cipherText = crypt.EncryptWithPassword(File.ReadAllBytes(f));
                File.WriteAllBytes(f, cipherText);
                File.Move(f, f + ".aesx");
            }

            lvwLoad.Items.Clear();
        }