Netinfo Security ›› 2015, Vol. 15 ›› Issue (6): 26-32.doi: 10.3969/j.issn.1671-1122.2015.06.005

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An Encryption Communication Scheme Based on Hardware in Circuit-Switched Domain

LI Yuan(), ZHOU Wei-hua, SHAN Xu   

  1. Institute of Information Engineering, Chinese Academy of Sciences, Beijing 100093, China
  • Received:2015-03-09 Online:2015-06-20 Published:2018-07-16

Abstract:

From the birth of modern mobile communication technology, rapid development and wide application of mobile technology brought great convenience to people's lives, and the widely applicable mobile network technology had influenced all aspects of the society. However, it also brought a lot of security problems. Because of reasons such as open-air transmission which made it vulnerable to eavesdropping, the mobile communication security had become a hot issue. In order to guarantee the confidentiality of mobile system, this paper proposed an encryption scheme based on TF Card in CS domain, including a lightweight certificate based on SM2, system module design and state machine design. This scheme took both availability and security into account. It helped complete identity authentication at the cost as low as possible. Experiment on Android shows that this method can protect users’ information security on mobile phone with little performance cost.

Key words: encrypt, CS domain, secure voice, Android

CLC Number: