private async Task ProcessFile(string file)
{
var shortFile = System.IO.Path.GetFileName(file);
if (!string.IsNullOrEmpty(shortFile) && shortFile.Length > 35)
{
shortFile = shortFile.Substring(0, 32) + "...";
}
var prg = new Progress <StreamCryptorTaskAsyncProgress>();
prg.ProgressChanged += (s, e) =>
{
status.Text = string.Format("{0}: {1}%", shortFile, e.ProgressPercentage);
};
try
{
Enabled = false;
await MessageCrypto.EncryptFile(file, toId.Text, prg);
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Unable to encrypt message.\r\nError: '{0}'", ex.Message),
"CurveLock Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public void DecryptMessageTest()
{
var message = Base58Check.Base58CheckEncoding.Decode("1AtPS411ipfcRmvBe1hoSvAbJpNfpvpzKrQHTuK8jw9WTGf69FM7kmkDxhf9nFpfG4dbEgrxYMuyyR3x4LM8LbscDx3x5mQWmGL8cDCShJKFBeEqN688QfhGNVVTsKqWNUJ");
var privateKey = Sodium.Utilities.HexToBinary("4ba8e0b41fc07b5a1d4e0be0a4b464f6f2673a3854f967b5c31102b15683a195");
var key = PublicKeyBox.GenerateKeyPair(privateKey);
var expected = Encoding.UTF8.GetBytes("bob");
var actual = MessageCrypto.DecryptMessage(message, key);
CollectionAssert.AreEqual(expected, actual);
}
public void EncryptMessageTest()
{
var message = Encoding.UTF8.GetBytes("bob");
const string TO_ID = "Lqm2Foa9keELvGf8cYHJB3CRzEgPLuxJnBdtbZRbhuGmx3dhQB";
var expected = Encoding.UTF8.GetBytes("bob");
var encrypted = MessageCrypto.EncryptMessage(message, TO_ID);
var privateKey = Sodium.Utilities.HexToBinary("4ba8e0b41fc07b5a1d4e0be0a4b464f6f2673a3854f967b5c31102b15683a195");
var key = PublicKeyBox.GenerateKeyPair(privateKey);
var actual = MessageCrypto.DecryptMessage(encrypted, key);
CollectionAssert.AreEqual(expected, actual);
}
private void DecryptLinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
if (message.Text.Length > 0)
{
byte[] decoded;
decrypt.Enabled = false;
try
{
Enabled = false;
decoded = Base58Check.Base58CheckEncoding.Decode(message.Text);
}
catch (Exception)
{
MessageBox.Show("Unable to decode message. Please verify that it is correct.",
"CurveLock Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
//bail out, nothing we can do here
return;
}
finally
{
Enabled = true;
}
try
{
Enabled = false;
message.Text = Encoding.UTF8.GetString(MessageCrypto.DecryptMessage(decoded, Common.KeyPair));
}
catch (Exception ex)
{
MessageBox.Show(
string.Format("Unable to decrypt message. Please verify that it is correct.\r\nError: '{0}'", ex.Message),
"CurveLock Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
Enabled = true;
}
}
}
private void EncryptLinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
if (message.Text.Length > 0)
{
encrypt.Enabled = false;
try
{
Enabled = false;
message.Text = Base58Check.Base58CheckEncoding.Encode(
MessageCrypto.EncryptMessage(Encoding.UTF8.GetBytes(message.Text), toId.Text));
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Unable to encrypt message.\r\nError: '{0}'", ex.Message),
"CurveLock Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
Enabled = true;
}
}
}
