[1]刘彦辰,王 箭,屈琪锋.混合加密的宋词载体文本信息隐藏技术[J].计算机技术与发展,2018,28(01):138-142.[doi:10.3969/ j. issn.1673-629X.2018.01.030]
　LIU Yan-chen,WANG Jian,QU Qi-feng.Text Information Hiding Technique by Carrier of Song Poetry Based on Hybrid Encryption[J].Computer Technology and Development,2018,28(01):138-142.[doi:10.3969/ j. issn.1673-629X.2018.01.030]
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混合加密的宋词载体文本信息隐藏技术()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
28
期数:
2018年01期
页码:
138-142
栏目:
安全与防范
出版日期:
2018-01-10

文章信息/Info

Title:
Text Information Hiding Technique by Carrier of Song Poetry Based on Hybrid Encryption
文章编号:
1673-629X(2018)01-0138-06
作者:
刘彦辰; 王 箭; 屈琪锋
南京航空航天大学 计算机科学与技术学院,江苏 南京 210016
Author(s):
LIU Yan-chen; WANG Jian; QU Qi-feng
School of Computer Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China
关键词:
信息隐藏; 混合加密; 文本隐写; 高级加密标准; 椭圆曲线密码算法; 全宋词
Keywords:
information hiding; mixed encryption; text steganography; advanced encryption standard; elliptic curve cryptographic; whole poetry of Song
分类号:
TP309.2
DOI:
10.3969/ j. issn.1673-629X.2018.01.030
文献标志码:
A
摘要:
为进一步提高信息隐藏系统的安全性,提出基于混合加密的宋词载体文本信息隐藏方案。 通过混合加密工具将原始信息经高级加密标准(advanced encryption standard,AES)进行加密,并使用椭圆曲线密码算法(elliptic curve cryptographic,ECC)对 AES 密钥进行加密,将加密后的密文和密钥经宋词文本信息隐藏技术进行隐藏,通过随机选择词牌模板(RTSA)或者指定单一词牌模板(STSA)的方式生成多篇宋词。 该方案对 100 个汉字样本进行加解密平均时长为 79. 6 ms 和 33. 3 ms,嵌入率最高达 28.13％,与已有方案相比在嵌入率和隐蔽性上具有更大优势。 同时,加密操作相当于对原始信息本身加入了随机噪声,即便信息隐藏系统被破解,攻击者也很难进行解密还原。 由于生成的隐写宋词与原始宋词相差无异,攻击者难于进行隐显分析,更难于获得隐藏的信息,安全性得到了大幅提高。
Abstract:
To further improve the security of information hiding system,we put forward a secure text information hiding scheme with Song Poetry based on mixed encryption in this paper. It encrypts the original information with the advanced encryption standard (AES),and then uses elliptic curve cryptography (ECC) to encrypt AES keys. Finally,it uses the Song-Steg to hide the encrypted cipher text and keys,and then generates some Song Poetries with a randomly selected or a specified Ci-Pai template. The average encryption and decryption time for 100 Chinese characters are 79.6 ms and 33.3 ms,and the embedding rate is up to 28.13％. Compared with the existing scheme,it has more
advantage in the embedding rate and the concealment. Thus the encryption operation is equivalent to the original information itself joined the random noise. Even if the information hiding system be cracked,attackers are hard to decrypt reduction. For generated steganography Song Poetry is identical with the original one,it is difficult for an attacker to steganalyses and get the embedded information extremely,and the security has been substantially improved.

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更新日期/Last Update: 2018-03-13