// Copyright (c) 2014-2016, The Monero Project
//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#pragma once
#include <string>
#include <boost/optional/optional.hpp>
namespace tools
{
class password_container
{
public:
static constexpr const size_t max_password_size = 1024;
//! Empty password
password_container() noexcept;
//! `password` is used as password
password_container(std::string&& password) noexcept;
//! \return A password from stdin TTY prompt or `std::cin` pipe.
static boost::optional<password_container> prompt(bool verify, const char *mesage = "Password");
password_container(const password_container&) = delete;
password_container(password_container&& rhs) = default;
//! Wipes internal password
~password_container() noexcept;
password_container& operator=(const password_container&) = delete;
password_container& operator=(password_container&&) = default;
const std::string& password() const noexcept { return m_password; }
private:
//! TODO Custom allocator that locks to RAM?
std::string m_password;
};
}