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International Conference on Intelligent System Design and Engineering Application (ISDEA)

Quantum Message Authentication Protocol Using Non-orthogonal States

Liju Chen, Shen Pu-bing, Wei Liu, Chaoping Guo

Published Aug 18, 2015• 0 citations
Publisher

Abstract

This paper provides a quantum message authentication protocol using non-orthogonal states. A user Alice can attach some additional message (named verification) message) with the original message which he wants to send to another user Bob. When Bob receives them, he can affirm that the original message is really from Alice and without being distorted. The laws of quanum physics guarantee that the message authentication protocol is unconditionally secure. No entangled states and complex quantum operations are needed. So it's easier to carry out in practice.

DOI
10.1109/isdea.2015.151

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This paper provides a quantum message authentication protocol using non-orthogonal states. A user Alice can attach some additional message (named verification) message) with the original message which he wants to send to another user Bob. When Bob receives them, he can affirm that the original message is really from Alice and without being distorted. The laws of quanum physics guarantee that the message authentication protocol is unconditionally secure. No entangled states and complex quantum operations are needed. So it's easier to carry out in practice.
In this paper we provide a quantum authentication protocol. It is based on the nonlocality of the orthogonal product states of a two-particle system. The two parties share a sequence of two-particle systems as the authentication key. To authenticate each other, they only need to create auxiliary particles and exchange them. No one without the authentication key can pass the authentication process. So the protocol is secure. The authentication key is reusable because it doesn't change after the authentication process. The protocol is more practicable because it needn't entangled states and complex operations but product states and measurement which are easier to carry out in practice.
In this paper we provide an information delay protocol using non-orthogonal quantum states. One person can send the other person some information which cannot be read until he or she lets the latter do. The principles of quantum mechanics guarantee that the protocol is unconditionally secure. When the sender decides to let the other get the information, he or she need only to send the latter some dictates through a public classical channel. There are no entangled states and complex quantum operations except measurements needed in our protocol. So it is easier to carry out and more robust in practice.
In this paper we provide a quantum public-key cryptosystem using non-orthogonal states. A user Alice uses a set of particles which are in non-orthogonal quantum states as the public key kept by a key management center (KMC) while the she keeps the states of the particles secret as the private key. By the help of KMC any other user can send encrypted message to Alice. Any one including KMC except Alice can’t get the message. On the other hand digital signature can also be achieved by this public-key cryptosystem. There are no entangled states and complex operations needed in our cryptosystem. So it’s easier to carry out in practice and more robust against possible attacks.
A quantum public-key cryptosystem without quantum channels between any two users using non-orthogonal states is provided in this paper. Every user keeps a set of quantum particles in non-orthogonal states in a key management center (KMC) as the public key while he or she keeps the states of them as the private key. By the help of KMC users can accomplish secret communication and message authentication. The laws of quantum physics guarantee the unconditional security of this cryptosystem. No entangled states or complex quantum operations are needed. On the other hand there are no quantum channels needed to connecting any two users. So the public-key cryptosystem is easier to carry out and more robust in practice.
An authentication protocol is a procedure by which a sender tries to convey n bits of information, which we call an input message, to a receiver. An adversary controls the network over which the sender and the receiver talk and may change any message before it reaches its destination. This paper deals with the simple scenario where two parties, Alice and Bob, communicate and want to assure that the message received by Bob is the one sent by Alice. Unconditional cryptographic security cannot be generated simply from scratch, but must be based on some given primitive to start with. In this paper, we introduce a message authentication protocol with unconditional cryptographic security. More precisely, we give protocols using a weakly secret key allowing for the exchange of authenticated messages.