Qphone: a quantum security VoIP phone

  • Authors:
  • Bo Liu;Baokang Zhao;Ziling Wei;Chunqing Wu;Jinshu Su;Wanrong Yu;Fei Wang;Shihai Sun

  • Affiliations:
  • National University of Defense Technology, Changsha, Hunan, China;National University of Defense Technology, Changsha, Hunan, China;National University of Defense Technology, Changsha, Hunan, China;National University of Defense Technology, Changsha, Hunan, China;National University of Defense Technology, Changsha, Hunan, China;National University of Defense Technology, Changsha, Hunan, China;National University of Defense Technology, Changsha, Hunan, China;National University of Defense Technology, Changsha, Hunan, China

  • Venue:
  • Proceedings of the ACM SIGCOMM 2013 conference on SIGCOMM
  • Year:
  • 2013

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Abstract

This work presents a novel quantum security VoIP phone, called Qphone. Qphone integrates quantum key distribution (QKD) and VoIP steganography, and achieves peer-to-peer communication with information-theoretical security (ITS) guaranteeing. Qphone consists of three parts, a real-time QKD system, RT-QKD, a steganography software, VS-Phone, and an audio encryption and authentication hardware, AE-KEY. RT-QKD explores QKD technologies, and is able establish a shared key between two peers ensuring ITS. VS-Phone utilizes VoIP steganography to protect transmission channels of sensitive information. Qphone can provide efficient and real-time security protections to meet different security demands.