具有经典位通过具有类约翰逊噪声的环路的多点远程克隆(隐形传态)的完全安全经典网络
Totally secure classical networks with multipoint telecloning (teleportation) of classical bits through loops with Johnson-like noise
摘要:
首先,我们展示了一种新的廉价的防御入侵者和中间人攻击的基尔霍夫循环约翰逊噪声(KLJN)密码。然后,而不是点对点通信,我们提出了一个高效,安全的网络。(在理想情况下是完全安全的)经典网络是基于KLJN密码的改进版本。该网络由两个并行网络组成:i)安全通信的链式网络,具有类似约翰逊噪声的电隔离基尔霍夫环,并由电阻的特定开关过程驱动; ii)和具有协调器服务器的常规非安全数据网络。如果经典网络足够快,则N个通信者的链式网络可以在密码的单个时钟周期内生成并共享N位长的秘密密钥,这意味着与量子通信或类似RSA的密钥交换方法所使用的点对点密钥交换相比,速度显著提高。这是典型信息位的远程传送型多路远程克隆,因为在网络的中间点上没有信息位的实际存在的情况下可以进行信息传送。利用类似的量子方案,经由量子通信器网络远程克隆经典比特而不远程克隆量子态也是可能的。
英文摘要:
First, we show a new inexpensive defense against intruders and the man-in-the-middle attack in the Kirchhoff's-loop-Johnson-like-noise (KLJN) cipher. Then instead of point-to-point communication, we propose a high efficiency, secure network. The (in the idealistic case totally secure) classical network is based on an improved version of the KLJN cipher. The network consists of two parallel networks: i) a chain-like network of securely communicating, electrically isolated Kirchhoff-loops with Johnson-like noise and driven by a specific switching process of the resistances; ii) and a regular non-secure data network with a Coordinator-server. If the classical network is fast enough, the chain-like network of N communicators can generate and share an N bit long secret key within a single clock period of the ciphers and that implies a significant speed-up compared to the point-to-point key exchanges used by quantum communication or RSA-like key exchange methods. This is a teleportation-type multiple telecloning of the classical information bit because the information transfer can take place without the actual presence of the information bit at the intermediate points of the network. With similar quantum schemes the telecloning of classical bits via quantum communicator networks without telecloning the quantum states is also possible.
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