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[Information] [Education] [Publications] [Awards] [Projects] [Others]

Information

Longtao He is a Ph.D candidate of Prof. Binxing Fang in Research Center of Computer Network and Information Security Technology, Harbin Institute of Technology. His research is mainly on Network Security, including Intrusion Detection System, computer viurs, High-speed packet capture and string matching algorithm.

Education

1999 - to date a Ph.D. Candidate, Harbin Institute of Technology, supervised by Prof.Binxing Fang.
1997 - 1999, Master Degree, Harbin Institute of Technology, supervised by Prof.Mingzeng Hu.
1993 - 1997, Bachelor Degree, Harbin Institute of Technology, supervised by Prof. Xianglong Tang.

Publications

He Longtao, Fang Binxing, Yun Xiaochun, Wang Lidong. Sniffing in Switched Ethernet with ARP Spoofing(in Chinese). Net Security Technologies And Applacation. 2001(1):38
He Longtao, Fang Binxing, Yun Xiaochun. Network Sniffer and Anti-Sniffer(in Chinese). Computer Engineering and Applications. 2001(18):20
He Longtao, Fang Binxing, Yun Xiaochun. Design and Implement of an Debugger for CGI(in Chinese). Computer Engineering and Applications. 2001(21):34
He Longtao, Fang Binxing, Yun Xiaochun. A Study on Active Sniffing in Switched LAN(in Chinese). High-Tech Letters(Chinese version). 2002(2):1
He Longtao, Fang Binxing, Hu Mingzeng. Improvement of BM Algorithm(in Chinese). Computer Applications. 2003(3):6
He Longtao, Fang Binxing, Yun Xiaochun. The study on protocol spoofing in active sniffing(in Chinese). Journal of China Institute of Communications. 2003(11):146
He Longtao, Fang Binxing, Yun Xiaochun. Self-organized hierarchical Massive Network Intrusion Detection System(in Chinese). Journal of China Institute of Communications. 2004, 7(25):86
He Longtao, Fang Binxing, Yun Xiaochun, Hu Mingzeng. SDFA--an uniform model of string matching algorithms. High Tech Letters. 2004, 2(10):34
He Longtao, Fang Binxing. Linear Nondeterministic Dawg String Matching Algorithm. The Eleventh Symposium on String Processing and Information Retrieval (SPIRE 2004). Lecture Notes in Computer Science 3246. Springer, 2004: 70

Awards

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2001 computer virus prevention(Supported by the Defence Pre-Research Project of the 'Ninth Five-Year-Plan' of China) Medal of Science Technology and Industry for National Defence(No.2001GFJ3482-5) third Commission of Science Technology and Industry for National Defence of P.R.C.
2001 general evaluating CTI Scholarship first COMPUNICATE TECHNOLOGY INC., Harbin Institute of Technology
undergraduate general evaluating People's Scholarship many times Harbin Institute of Technology
1996 general evaluating Three-Good Student of Shool intramural Harbin Institute of Technology
1995 programming contest the personal contest of the computer knowledge and skill contest of 'the cup of JiLong' second Dept. of Computer Science and technology, Harbin Institute of Technology

Projects

2004/01--Present：MSN bot: ourgoogle@hotmail.com ++
Project Description: ourgoogle@hotmail.com is a msn bot. It has some functions as follows:
google searching for information;
having a looking at jokes;
weather forecast
some information about train leaving from Beijing
searching for phrases;
mobile information all over the country;
where some IP belong;
if some msn user is online;
giving me some advice;
recomending me to your friends;
Responsibility: developed by me alone
2002/01--Present：Distributed self-learning network virus protective system ++++
Software Environment: linux
Hardware Environment: linux cluster
Development Tools: gcc gdb make vim
Project Description: It is the industrialization sample project of National Development and Reform Commission with 14,000,000 RMB. We cooperate with Banner Group of Harbin Institute of Technology.
Responsibility: Developing prototype system; solving core problem; writing documentation aplying for the project
2000/06--2000/11：High-Speed Sniffing System +++++
Software Environment: linux
Hardware Environment: linux cluster
Development Tools: gcc make vim gdb
Project Description: It is a national important project, implement a system to sniffing Backbone Network, defrag&reorder network flow to application layer, and filter key words.
Responsibility: central developer of a team
2000/03--2000/06：NET110--Audit and management system of netbar security +++++
Software Environment: linux
Hardware Environment: linux
Development Tools: gcc make vim gdb
Project Description: We cooperated with Shenzhen Surfilter Network Technology Co., Ltd. The software has been applied widely. Until now, it has been installed in the police in eight provices.
Responsibility: The prototype and early version of the system are done by me completely.
1999/07--2000/01：Monitor 1 -- hit108 ++++
Software Environment: linux
Hardware Environment: linux cluster
Development Tools: gcc make vim gdb
Project Description: It was one of the main products of Bada Group of Harbin Institute of Technology. It can realize to monitor network data and defrag&reorder network data to application layer. The monitor can watch data online, such as the internet pages browsed by the monitored people.
Responsibility: It is mainly done by me.
1999/04--2000/01：The proxy ICUC ++
Software Environment: linux
Hardware Environment: linux
Development Tools: reduce
Project Description: ICUC, (I see, you see) means "What I see, is what you see". ICUC allows 2 or more guys to share 1 telnet connnetion. It's also a detachable BBS(telnet) proxy server. What's more, there are timer and trigger to use, users can make a telnet rubost easily.
Responsibility: developed by me alone
1998/07--1998/09：VoiceSys - voice mail of Harbin Labor administration +++
Software Environment: Windows
Hardware Environment: windows PC, Dialogic voice boards
Development Tools: VC
Project Description: It is a configurable voice menu(mailbox) system and turning automatically to manual telephone subsystem. The project is the prophase of general configurable voice softwre platform (national 863 project).
Responsibility: The configurable voice menu(mailbox) system and turning automatically to manual telephone subsystem are developed by me
1998/07--2000/12：Preventive technology of computer virus +++++
Software Environment: linux
Hardware Environment: linux
Development Tools: gcc make vim gdb
Project Description: The project is supported by the Defence Pre-Research Project of the 'Ninth Five-Year-Plan' of China with 750,000 RMB under Grant No.15.7.2. It has gained third Commission of Science Technology and Industry for National Defence of P.R.C.
My Medal of is No.2001GFJ3482-5.
Responsibility: It is mainly done by me.
1998/06--1998/10：GB2BIG5 +
Software Environment: windows
Hardware Environment: windows pc
Development Tools: VC
Project Description: Convert the characters with different internal code from system input method into needed internal code, from GB to BIG5, or from BIG5 to GB, and then output it to the appointed window.
Responsibility: developed by me alone
1998/05--1998/08：HFax--FAX software based window95 +++
Software Environment: windows
Hardware Environment: windows PC
Development Tools: VC
Project Description: The software can use fax/modem to fax.
Responsibility: developed by me alone
1997/09--1998/05：FSChess --- Network based Five in a Row (JAVA) +
Software Environment: java
Hardware Environment: all
Development Tools: VJ1.1
Project Description: It can run as standalone or applet. It also can chat, etc.
Responsibility: developed by me alone
1997/05--1997/07：Mirror ++
Software Environment: Dos
Hardware Environment: DOS PC
Development Tools: BC3.1
Project Description: It's an intelligence game like miner. But its feedback system consists of light and mirrors with all kinds of angles, that can judge unknown position and angle of the mirror by know light.
Responsibility: developed by me alone
1997/02--1997/07：on-line handwritten Chinese characters recognition system ++
Software Environment: dos
Hardware Environment: dos pc
Development Tools: BC3.1
Project Description: It is one of national 863 projects.
Responsibility: The part of pre-proccess and stroke extraction is developed by me.
1994/09--1996/07：C function High-speed INput (based on DOS) +
Software Environment: DOS
Hardware Environment: DOS PC
Development Tools: turboC，masm
Project Description: A TSR(Terminate and Stay Resident).
Take Library Function, commands and common words as a dictionary. show suffixes automatically when inputting in order to speed up the input.
Responsibility: developer


Others

Animation Applets of my latest string matching algorithms