/// <summary>
/// Encrypts a MemoryStream using PGP.
/// </summary>
/// <param name="inputStream">Stream containing data to be encrypted.</param>
/// <param name="publicKeyFile">Path to the private key file. Usually a .asc file.</param>
/// <returns>MemoryStream with encrypted data. It is always ascii armored.</returns>
public MemoryStream EncryptStream(MemoryStream inputStream, string publicKeyFile)
{
MemoryStream encryptedStream = new MemoryStream();
_pgp.EncryptStream(inputStream, "input.txt", new FileInfo(publicKeyFile), encryptedStream, true);
return(encryptedStream);
}
private void EncryptMessageButton_Click(object sender, RoutedEventArgs e)
{
string publickey = new TextRange(PublicKeyBox.Document.ContentStart, PublicKeyBox.Document.ContentEnd).Text;
string message = new TextRange(MessageToBeEncryptedBox.Document.ContentStart, MessageToBeEncryptedBox.Document.ContentEnd).Text;
PGPLib pgp = new PGPLib();
MemoryStream encryptedmessage = new MemoryStream();
using (MemoryStream messagestream = new MemoryStream(Encoding.UTF8.GetBytes(message)))
{
using (MemoryStream publickeystream = new MemoryStream(Encoding.UTF8.GetBytes(publickey)))
{
bool ascii = true;
pgp.EncryptStream(messagestream, publickeystream, encryptedmessage, ascii);
encryptedmessage = new MemoryStream(encryptedmessage.ToArray());
StreamReader streamReader = new StreamReader(encryptedmessage);
string encryptedtext = streamReader.ReadToEnd();
EncryptedMessageBox.Text = "";
EncryptedMessageBox.Text = encryptedtext;
}
}
}