Title
A novel steganography approach for voice over IP.
Abstract
In homeland defense and security, secure data transfer is still critical challenging due to the open nature of Internet. One of the solutions which came to the rescue is the VoIP (Voice over IP) steganography. VoIP is unquestionably the most popular real-time service in IP networks today. To date, existing VoIP steganography research commonly focus on information hiding in the LSB bits of network audio streams. However, this approach may raise serious security threat, where the hidden information may be easily removed, detected and attacked. Towards this issue, we propose AVIS, a novel Adaptive VoIP steganography approach to hide information within network audio streams. AVIS consists of three parts, named VAMI, VADDI and VODO. VAMI works by dynamically selecting multiple bits based on the VoIP vector value, VADDI dynamically changes embedding intervals to avoid detection and attacking, and VODO try to change the neighbor bits to offset the sound distortion. Also, we evaluate the effectiveness of this approach with G.711 as the codec of the cover speech in Linphone, a famous open-source VoIP software. The experimental results demonstrate that our approach provides better performance than the traditional one.
Year
DOI
Venue
2014
10.1007/s12652-013-0212-9
J. Ambient Intelligence and Humanized Computing
Keywords
Field
DocType
Homeland defense and security, Steganography, VoIP, VAMI, VADDI, VODO
Steganography,Steganography tools,Data transmission,Computer science,Computer security,Information hiding,Codec,Least significant bit,Voice over IP,The Internet
Journal
Volume
Issue
ISSN
5
4
1868-5145
Citations 
PageRank 
References 
14
0.68
21
Authors
6
Name
Order
Citations
PageRank
Ziling Wei1465.13
BaoKang Zhao221447.15
Bo Liu36312.54
Su, Jinshu475096.41
Liyang Xu510810.10
Erchi Xu6251.26