public static EncryptedDiaryRecord EncryptRecord(DiaryRecord record, RSACryptoServiceProvider rsa)
{
var rij = Rijndael.Create();
rij.KeySize = 256;
rij.GenerateKey();
rij.GenerateIV();
var encryptedRecord = new EncryptedDiaryRecord();
var header = new MemoryStream();
header.Write(rij.Key, 0, rij.Key.Length);
header.Write(rij.IV, 0, rij.IV.Length);
encryptedRecord.Header = rsa.Encrypt(header.ToArray(), false);
var encryptedBodyStream = new MemoryStream();
using (var body = new CryptoStream(encryptedBodyStream, rij.CreateEncryptor(), CryptoStreamMode.Write))
{
Serializer.Serialize(body, record);
}
encryptedRecord.Body = encryptedBodyStream.ToArray();
return(encryptedRecord);
}
public void AddRecord(DiaryRecord record)
{
if (!IsOpen)
{
throw new InvalidOperationException("Please open the diary before writing to it");
}
_fileStream.Seek(0, SeekOrigin.End);
WriteRecords(new[] { record });
}
private void AddToTree(DiaryRecord record)
{
var folder = record.Created.Date.ToString("yyyy-MM");
var node = entriesTreeView.Nodes[folder];
if (node == null)
{
node = entriesTreeView.Nodes.Add(folder, folder);
}
var entryNode = node.Nodes.Add(record.Created.ToString());
entryNode.Tag = record;
}
private async void writeButton_Click(object sender, EventArgs e)
{
if (mainTextBox.ReadOnly)
{
tagsTextBox2.Text = "";
mainTextBox.Text = "";
dateLabel.Text = string.Format(Strings.TodayIs, DateTime.Today.ToLongDateString());
writeButton.Text = Strings.WriteDown;
mainTextBox.ReadOnly = false;
tagsTextBox2.ReadOnly = false;
return;
}
if (string.IsNullOrEmpty(mainTextBox.Text))
{
MessageBox.Show(Strings.WriteSomething);
return;
}
var diaryRecord = new DiaryRecord();
diaryRecord.Created = DateTime.Now;
diaryRecord.Content = mainTextBox.Text;
diaryRecord.Tags = tagsTextBox2.Text;
try
{
_diary.AddRecord(diaryRecord);
}
catch (Exception x)
{
MessageBox.Show(x.Message, Strings.Error, MessageBoxButtons.OK, MessageBoxIcon.Error);
Application.Exit();
}
if (!_diary.IsLocked)
{
await LoadEntries();
}
tagsTextBox2.Text = "";
mainTextBox.Text = "";
}
protected bool Equals(DiaryRecord other)
{
return(string.Equals(Title, other.Title) && Created.Equals(other.Created) && string.Equals(Content, other.Content) && string.Equals(Tags, other.Tags));
}
