A New Linguistic Steganography Scheme based on Lexical Substitution

被引:0
|
作者
Yajam, Habib Allah [1 ]
Mousavi, Azadeh Sadat [2 ]
Amirmazlaghani, Maryam [2 ]
机构
[1] Sharif Univ Technol, Elect Engn Dept, Tehran, Iran
[2] Amirkabir Univ Technol, Comp & IT Engn Dept, Tehran, Iran
来源
2014 11TH INTERNATIONAL ISC CONFERENCE ON INFORMATION SECURITY AND CRYPTOLOGY (ISCISC) | 2014年
关键词
Text-steganography; lexical substitution; natural language processing;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Recent studies in the field of text-steganography shows a promising future for linguistic driven stegosystems. One of the most common techniques in this field is known as lexical substitution which provides the requirements for security and payload capacity. However, the existing lexical substitution schemes need an enormous amount of shared data between sender and receiver which acts as the stego key. In this paper, we propose a novel encoding method to overcome this problem. Our proposed approach preserves the good properties of lexical substitution schemes while it provides short length stego keys and significant robustness against active adversary attacks. We demonstrate high efficiency of the proposed scheme through theoretical and experimental results.
引用
收藏
页码:155 / 160
页数:6
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