public IContentResponse HandlePasswordSet(NameValueCollection headers, Stream inputStream)
{
INameValueStore store = new RegistryStorage(Settings.RegistryPath);
int contentLen = int.Parse(headers["Content-Length"]);
if (contentLen == 0)
{
using (RSAPrivateKey _temporaryKey = new RSAPrivateKey(2048))
{
store.Write("Transfers", "temp-key", Convert.ToBase64String(_temporaryKey.ToArray()));
return(new DynamicResponse("application/public-key", _temporaryKey.PublicKey.ToArray()));
}
}
string tempkey;
if (contentLen <= 2048 && store.Read("Transfers", "temp-key", out tempkey))
{
byte[] bytes = IOStream.Read(inputStream, contentLen);
using (RSAPrivateKey _temporaryKey = RSAPrivateKey.FromBytes(Convert.FromBase64String(tempkey)))
bytes = _temporaryKey.Decrypt(bytes);
_content.KeyPair.SetServerPassword(bytes);
}
return(DynamicResponse.Empty);
}
public void TestPKICertificate()
{
byte[] rawdata = new byte[8001];
new Random().NextBytes(rawdata);
byte[] cypher;
using (RSAPublicKey publicKey = new RSAPublicKey(TestCertPublicKey()))
cypher = publicKey.Encrypt(rawdata);
using (RSAPrivateKey privateKey = new RSAPrivateKey(TestCertPrivateKey()))
Assert.AreEqual(rawdata, privateKey.Decrypt(cypher));
}
private void buttonDecrypt_Click(object sender, EventArgs e)
{
if (textBoxDecryptText.Text.Length == 0)
{
MessageBox.Show("Введите текст зашифрованного сообщения!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (privateKey == null)
{
MessageBox.Show("Выберете закрытый ключ!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (textBoxEDecryptPassphrase.Text.Length == 0)
{
MessageBox.Show("Введите парольную фразу!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
try
{
privateKey.DecryptByPassphrase(textBoxEDecryptPassphrase.Text);
}
catch (Exception)
{
MessageBox.Show("Неверная парольная фраза!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
string decryption = privateKey.Decrypt(textBoxDecryptText.Text);
textBoxDecryptMessage.Text = decryption;
textBoxDecryptText.Text = "";
textBoxEDecryptPassphrase.Text = "";
labelDecryptPrivateKey.Text = "";
privateKey = null;
}
