// ------------------------------------------------------------------------------------------------------------
/// <summary>
/// Associates a password with the PDFDocument.
/// Pass in numm or empty string to clear the password.
/// </summary>
/// <param name="pdf_document"></param>
/// <param name="password"></param>
public void AddPassword(PDFDocument pdf_document, string password)
{
if (null == pdf_document)
{
Logging.Warn("Can't associate a password with a null PDFDocument.");
}
if (String.IsNullOrEmpty(password))
{
RemovePassword(pdf_document);
}
else
{
ReversibleEncryption re = new ReversibleEncryption();
Passwords[pdf_document.Fingerprint] = re.EncryptString(password);
WritePasswordFile(Filename_Store, Passwords);
}
}