Safety elliptic curve cipher protection method of train travelling control system

A technology of train operation control and elliptic curve cryptography, which is applied to the public key of secure communication, transmission system, railway signal and security, etc. It can solve the problems of weak mobile terminal processing ability and low authentication security

Inactive Publication Date: 2008-07-16
SHANGHAI UNIV
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Problems solved by technology

[0023] The purpose of the present invention is to provide a secure elliptic curve cryptographic protection method for a train operation control system based on communication technology, apply secure ECC to the CBTC system network for security protection, and overcome the weak processing capability of the mobile terminal of the CBTC system and low authentication security. Defects, so as to meet the security requirements with high security requirements

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  • Safety elliptic curve cipher protection method of train travelling control system
  • Safety elliptic curve cipher protection method of train travelling control system
  • Safety elliptic curve cipher protection method of train travelling control system

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Embodiment Construction

[0102] A preferred embodiment of the present invention is described in detail as follows in conjunction with accompanying drawing:

[0103] A preferred embodiment of the present invention is described in detail in conjunction with the accompanying drawings as follows: With reference to Fig. 1, the specific implementation of the security elliptic curve password protection method of the train operation control system based on communication technology is mainly divided into three major steps, namely establishing a security elliptic curve password System, configure the ECC encryption system in the CBTC system, and establish a two-way authentication system based on ECC encryption in the CBTC wireless environment. In the first step, we adopt a new prediction idea for GF(p n ) to select the safe ECC curve, that is, the method of Markov prediction matrix and machine learning. It can better complete the task of selecting a secure ECC that can resist Pollard-ρ attacks. In the second s...

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Abstract

The invention relates to a communication technology based safe elliptic curve cryptoguard method for a train operation control system(CBTC); on the basis of the safety threat in the wireless environment and the feasibility of demonstrating the use of the elliptic curve cryptosystem (ECC) in the CBTC wireless certification, the invention designs an ECC algorithm protection method aiming at the safety of the CBTC system, which mainly includes three major steps that: in the invention, the Weil theorem is adopted to calculate the order of equation of the ECC, the big prime number is judged by utilizing the inverse proposition of the Fermat small theorem and the pseudoprime number, the construction of the safe elliptic curve cryptosystem is completed by mainly utilizing the Markov predictive matrix; and then the arrangement of the ECC cryptosystem in the CBTC system is designed and completed; finally the ECC code based bi-directional certification in the CBTC wireless environment which can resist the malicious AP attacks is created. The ECC cryptosystem of the invention has the advantages of periodically changing, ensuring safety and adopting the bi-directional certification; moreover, the certification time meets the system standard.

Description

technical field [0001] The invention relates to a method for applying safe ECC (elliptic curve cipher) to a train operation control system (CBTC) based on communication technology for safety protection, and belongs to the field of information safety protection. Background technique [0002] The application of the CBTC system provides more concise, more flexible, and more efficient advantages for rail transit train control, but at the same time, the openness and automation of the CBTC system also brings more safety hazards to the train control system. The security of the CBTC system is mainly reflected in two aspects: access control and confidentiality. Access control mainly ensures that the CBTC system is only accessed by legitimate users (equipment); confidentiality mainly transmits information that is only accepted and understood by the intended recipient. At present, the security defects of CBTC system are mainly reflected in the following aspects: [0003] 1. At presen...

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Application Information

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IPC IPC(8): H04L9/30H04L29/06H04L12/28B61L23/00
Inventor 王潮时向勇王海玲胡大伟郑国莘
Owner SHANGHAI UNIV
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