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| 1 | Toward an RSU-unavailable Lightweight Certificateless Key Agreement Scheme for VANETs显示文摘Vehicle ad-hoc networks have developed rapidly these years,whose security and privacy issues are always concerned widely.In spite of a remarkable research on their security solutions,but in which there still lacks considerations on how to secure vehicleto-vehicle communications,particularly when infrastructure is unavailable.In this paper,we propose a lightweight certificateless and oneround key agreement scheme without pairing,and further prove the security of the proposed scheme in the random oracle model.The proposed scheme is expected to not only resist known attacks with less computation cost,but also as an efficient way to relieve the workload of vehicle-to-vehicle authentication,especially in no available infrastructure circumstance.A comprehensive evaluation,including security analysis,efficiency analysis and simulation evaluation,is presented to confirm the security and feasibility of the proposed scheme. | SONG Jun HE Chunjiao ZHANG Lei TANG Shanyu ZHANG Huanguo | 2014 | China Communications2014，11，9： | 5 |
| 2 | Steganalysis of Low Embedding Rates LSB Speech Based on Histogram Moments in Frequency Domain显示文摘As wavelet packet transform is able to focus on minute change of signals, this study proposes an analytic approach of low embedding steganograpy based on high order Histogram moments in frequency domain(HMFD), which provides a key solution to the feature selection and extraction of HMFD. The detection results are tested with the LSB matching steganograpy of different embedding rates in speech signals, respectively, it is proved that the detection performance with HMFD applied is greater than that of histogram statistical moments.HMFD by Wavelet packet decomposition(WPD) can effectively detect low embedding rates Least significant bit(LSB) speech steganography, its accuracy can be 60.8%while the embedding rate is only 3%. | YANG Wanxia TANG Shanyu LI Miaoqi CHENG Yongfeng ZHOU Zhili | 2017 | Chinese Journal of Electronics2017，26，6： | 3 |
| 3 | Audio steganography with AES for real-time covert voice over internet protocol communications显示文摘As a popular real-time service on the Internet,Voice over Internet Protocol(VoIP)communication attracts more and more attention from the researchers in the information security field.In this study,we proposed a VoIP steganographic algorithm with variable embedding capacities,incorporating AES and key distribution,to realize a real-time covert VoIP communication.The covert communication system was implemented by embedding a secret message encrypted with symmetric cryptography AES-128 into audio signals encoded by PCM codec.At the beginning of each VoIP call,a symmetric session key(SK)was assigned to the receiver with a session initiation protocol-based authentication method.The secret message was encrypted and then embedded into audio packets with diferent embedding algorithms before sending them,so as to meet the realtime requirements of VoIP communications.For each audio packet,the embedding capacity was calculated according to the specific embedding algorithm used.The encryption and embedding processes were almost synchronized.The time cost of encryption was so short that it could be ignored.As a result of AES-based steganography,observers could not detect the hidden message using simple statistical analysis.At the receiving end,the corresponding algorithm along with the SK was employed to retrieve the original secret message from the audio signals.Performance evaluation with state-of-the-art network equipment and security tests conducted using the Mann-Whitney-Wilcoxon method indicated that the proposed steganographic algorithm is secure,efective,and robust. | TANG ShanYu JIANG YiJing ZHANG LiPing ZHOU ZhangBing | 2014 | Science China(Information Sciences)2014，57，3： | 2 |
| 4 | Covert voice over internet protocol communications based on spatial model显示文摘This paper presents a new spatial steganography model for covert communications over voice over internet protocol(Vo IP), providing a solution to the issue of increasing the capacity of covert Vo IP channels without compromising the imperceptibility of the channels. Drawing from Orthogonal Modulation Theory in communications, the model introduced two concepts, orthogonal data hiding features and data hiding vectors, to covert Vo IP communications. By taking into account the variation characteristics of Vo IP audio streams in the time domain, a hiding vector negotiation mechanism was suggested to achieve dynamic self-adaptive steganography in media streams. Experimental results on Vo IP steganography show that the proposed steganographic method effectively depicted the spatial and temporal characteristics of Vo IP audio streams, and enhanced robustness against detection of steganalysis tools, thereby improving the security of covert Vo IP communications. | HUANG YongFeng TANG ShanYu | 2016 | Science China(Technological Sciences)2016，59，1： | 2 |
| 5 | Steganogra-phy in inactive frames of VoIP streams encoded by source codec显示文摘 | Huang Yongfeng Yuan Jian Tang Shanyu | 2011 | IEEE Transactions on Information Forensics and Security2011，6，2： | 1 |
| 6 | Steganography in inactive frames of VoIP streams encoded by source codec显示文摘 | Huang Yongfeng Tang Shanyu Yuan Jian | 2011 | IEEE Trans on Information Forensics and Security2011，6，2： | 1 |
| 7 | Steganography integration into a low-bit rate speech codec显示文摘 | Huang Yongfeng Liu Chenghao Tang Shanyu | 2012 | IEEE Trans on Information Forensics and Security2012，7，6： | 1 |
| 8 | Stegano-graphy in inactive frames of VoIP streams encoded by source codec 显示文摘 | Yong Feng Huang Shanyu Tang Jian Yuan | 2011 | IEEE Trans on Information Forensics and Securky2011，6，2： | 1 |
| 9 | Steganography in inactive frames of VolP streams encoded by source codec 显示文摘 | Huang Yongfeng Tang Shanyu Yuan Jian | 2011 | IEEE Transactions on Information Forensics and Security2011，6，2： | 1 |
| 10 | Steganography in Inactive Frames of VoIP Streams Encoded by Source Codec显示文摘 | Huang Yongfeng Tang Shanyu Yuan Jian | | 0，，02： | 1 |
| 11 | Ferulic acid provides neuroprotection against oxidative stress-related apoptosis after cerebral ischemia-reperfusion injury by inhibiting ICAM-1 mRNA expression in rats显示文摘 | Cheng Chinyi Su Shanyu Tang Nouying | 2008 | Brain Res2008，1209，： | 1 |
| 12 | Syntax-Based Aspect Sentiment Quad Prediction by Dual Modules Neural Network for Chinese Comments显示文摘Aspect-Based Sentiment Analysis(ABSA)is one of the essential research in the field of Natural Language Processing(NLP),of which Aspect Sentiment Quad Prediction(ASQP)is a novel and complete subtask.ASQP aims to accurately recognize the sentiment quad in the target sentence,which includes the aspect term,the aspect category,the corresponding opinion term,and the sentiment polarity of opinion.Nevertheless,existing approaches lack knowledge of the sentence’s syntax,so despite recent innovations in ASQP,it is poor for complex cyber comment processing.Also,most research has focused on processing English text,and ASQP for Chinese text is almost non-existent.Chinese usage is more casual than English,and individual characters contain more information.We propose a novel syntactically enhanced neural network framework inspired by syntax knowledge enhancement strategies in other NLP studies.In this framework,part of speech(POS)and dependency trees are input to the model as auxiliary information to strengthen its cognition of Chinese text structure.Besides,we design a relation extraction module,which provides a bridge for the overall extraction of the framework.A comparison of the designed experiments reveals that our proposed strategy outperforms the previous studies on the key metric F1.Further experiments demonstrate that the auxiliary information added to the framework improves the final performance in different ways. | Zhaoliang Wu Shanyu Tang Xiaoli Feng Jiajun Zou Fulian Yin | 2023 | Computers, Materials & Continua2023，，5： | 0 |
| 13 | Clustering Websites Using a MapReduce Programming Model显示文摘 | Shaft Ahmed Peiyuan Pan Shanyu Tang | 2010 | 通讯和计算机(中英文版)2010，7，9： | 0 |
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