A Lattice-based Anonymous Roaming Authentication Method

Abstract

The invention requests protection of a grid-based anonymous roaming authentication method, and the invention includes a registration phase, an authentication phase, a password changing phase and a session key updating phase. After the smart terminal successfully registers with the local agent, the smart terminal generates a secure anonymous identity during the authentication phase, and uses the NTRU encryption algorithm to encrypt and transmit the authentication message between communication entities. After the authentication is successful, the smart terminal will use the anonymous identity to The foreign agent obtains network services. In the phase of password change, you only need to enter the correct user name and password into the smart card to complete the password change. In the session key update phase, the session key update operation can only be performed on the basis of the intelligent terminal and the foreign agent having the old session key. While resisting quantum attacks, the invention ensures extremely high computing efficiency and extremely low communication overhead, and has strong practicability and expansibility.

Description

technical field [0001] The invention belongs to the field of information security technology and mobile Internet technology, and relates to a roaming authentication method for providing safe and anonymous network services for mobile nodes. Background technique [0002] With the advancement of wireless Internet access technology and the popularity of smart mobile devices, ubiquitous networks have been widely used in our daily lives, providing people with a more convenient life. The ubiquitous network enables people to access network services such as online shopping, mobile payment, etc. However, due to its inherent openness and computing limitations, mobile devices are vulnerable to various security and privacy challenges in the ubiquitous network environment. For example, attackers can intercept transmitted data, and then analyze or tamper with the data, which will cause user data pollution and privacy leakage. [0003] Authentication is an important security technique to ...

AI Technical Summary

Problems solved by technology

However, due to the openness and dynamics of ubiquitous networks, it becomes very challenging to design a secure and effective roaming authentication protocol

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