Faculty

Lai Xuejia Professor

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Office Telephone: +86-21-3420-5440

Office Address: SEIEE-3-423

Email: lai-xj@cs.sjtu.edu.cn

Lab: Fundamentals in IT-Security Laboratory

  • Research
  • Education
  • Work Experience
  • Teaching Assignment
  • Publications
  • Project Fund
  • Awards
  • Academic Service
block cipher design and analysis
Hash functions
DNA computing
DNA cipher
secirty of P2P,M2M netwotk
B.Sc. In El. Ing. In 1982, Xidian Univ. 


M.Sc. Math. In 1984 at the Xidian Univ. 


Ph.D. of sc. Techn in 1992 at ETH Zurich.

93: R3 security engineering 


97: Entrust Tech. 


01: SWIS Group

Crypto Engineering 


Discrete Mathematics 


IT-security Standard

1. Xiaoyun Wang, Dengguo Feng, Xuejia Lai, Hongbo Yu: Collisions for Hash Functions MD4, MD5, HAVAL-128 and RIPEMD.rump session of Crypto’04, Cryptology ePrint Archive, Report2004/199, 2004.
2. Xiaoyun Wang, Xuejia Lai, Dengguo Feng: Cryptanalysis of the Hash Functions MD4 and RIPEMD, EUROCRYPT 2005, LNCS 3494, pp.1-18, Springer-Verlag, 2005. 
3. Kefei Chen, Robert Deng, Xuejia Lai and Jianying Zhou (Editors), Information Security Practice and Experience , Proceedings of ISPEC 2006, LNCS 3903, Springer, 2006. 
4. 肖国镇,卢明欣,秦磊,来学嘉. 密码学的新领域--DNA密码, 科学通报 51卷10期, p.1139-1144. 2006年5月. 
5. XIAO Guozhen, LU Mingxin, QIN Lei, LAI Xuejia, New field of Cryptography: DNA Cryptography. Chinese Science Bulletin, 2006, 51(12):1413-1420. 
6. 卢明欣, 来学嘉(并列第一作者), 肖国镇,秦磊. 基于DNA技术的对称加密方法。中国科学E辑:信息科学,2007年 第37卷第2期:175-182. 
7. LU Mingxin, LAI Xuejia, XIAO Guozhen,QIN Lei. Symmetric-Key Cryptosystem with DNA technology. Science in China Series F: Information Sciences. June 2007 vol.50,no.3,pp 324-333. 
8. Jie Liang, Xuejia Lai. Improved Collision Attack on Hash Function MD5. Journal of Computer Science&Technology. Jan. 2007, Vol.22, No.1, pp.79-87. 
9. 谢勇,来学嘉,邓子健, EFI及其安全性研究, 信息安全与通信保密, 2007年第8期 175-177,(文章编号 1002-0802(2007)08-0175-03. 
10. Zhongmei Wan, Xuejia Lai, Cryptanalysis and Improvement of Two Proxy Signature Schemes, Proceedings of ChianCrypt’2007, pp 151-158.
11. Zijian Deng, Xuejia Lai. A new architecture of sensitive file management based on Dual-Core and EFI. IEEE SITIS 2007. pp 170-176. 
12. Zheng Gong, Xuejia Lai, Kefei Chen, "A synthetic indifferentiability analysis of some block-cipher-based hash functions," Designs, Codes and Cryptography 48:3 September 2008.
13. Zijian Deng, Xuejia Lai, Dake He. A linguistic reputation system applied in Peer-to-Peer. IEEE ICALIP2008. pp 273 - 278. (EI:083911587617,ISTP: BIB51)
14. 邓子健,来学嘉,何大可. 基于EFI和双核处理器的DRM Agent.计算机应用研究. 2009,26(1):352-355.
15. 邓子健,来学嘉,何大可. 基于自然语言的P2P信誉系统。计算机工程,2009,35(12):32-33.
16. Lu, Xian Hui, Lai, Xue Jia, He, Da Ke and Li, Guo Min, Security analysis of a public key encryption scheme based on attack classification (Chinese), J. Wuhan  Univ. Natur. Sci. Ed. 54 (2008), no. 5, 543--546;   MR2467055.
17. CHEN Jia, XUE Dongyue, LAI Xuejia, An Analysis of International Data Encryption Algorithm(IDEA) Security against Differential Cryptanalysis,Wuhan University Journal of Natural Sciences, Vol.13 No.6, 641-768, Dec. 2008. 
18. Zhong-mei Wan, Xue-jia Lai, Jian Weng, Xuan Hong, Yu Long and Wei-wei Jia, On constructing certificateless proxy signature from certificateless signature,J. Shanghai Jiaotong Univ. (Sci.), 2008, 13(6): 692–694.
19. Yiyuan Luo and Xuejia Lai,,On the security of multivariate hash functions,J. Shanghai Jiaotong Univ. (Sci.), 2009, 14(2): 219-222.
20. 杨晓元, 黎茂棠, 韩益亮, 魏立线, 来学嘉. “基于ACJT的广义群签密方案”[J]. 《计算机工程与应用》,2008,44(31):128-131.
21. Kefei Chen, Ling Dong and Xuejia Lai, Security Analysis of Cryptographic Protocols Based on Trusted Freshness, Journal of KIISC, Vol. 18 No.6 (B) pp.219-232, December 2008.
22. Xian-hui Lu, Xue-jia Lai and Da-ke He The gap between intractable problem and adaptive chosen ciphertext security, J. Shanghai Jiaotong Univ. (Sci.) 14(1):90-93, 2009.
23. Ling Dong, Ke-fei Chen and Xue-jia Lai, Formal analysis of authentication in 802.11i , J. Shanghai Jiaotong Univ. (Sci.) 14(1):122-128, 2009.
24. 董玲,陈克非,来学嘉.密码协议分析的信任多集方法.软件学报,2009,20(11):3060-3076
25. Xiaorui Sun and Xuejia Lai, Improved Integral Attacks on MISTY1, Proceedings of SAC2009, LNCS 5867, pp.266-280, Springer, 2009.
26. Xiaorui Sun and Xuejia Lai, The Key-Dependent Attack on Block Ciphers, Proceedings of  Asiacrypt2009,LNCS 5912, pp19-36. Springer,2009.
27. Xianhui Lu, Xuejia Lai, Dake He, Improved efficiency of Kiltz07-KEM, Information Processing Letters, Volume 109, Issue 18, 31 August 2009, Pages 1093-1096
28. 罗一鸣, 来学嘉,P2P 网络中基于电子货币的权利转移方案, 计算机应用与软件,2009(已录用)
29. 葛颖彦,来学嘉,VoIP系统中RTP攻击的实现与防范,信息安全与通信保密,2009年第11 期,98-99。
30. 黄佳琳, 来学嘉, 随机性测试的淘汰能力和相关性,信息安全与通信保密, 2009年第10 期,43-46.
31. 杨默涵, 来学嘉,布尔函数代数次数的计算方法,密码学进展,中国密码学会2009年会论文集,35-42.
32. Yaying Xiao  and  Xuejia Lai,A Secure Implementation of White-Box AES, MPIS2009.
33. 肖雅莹,  来学嘉, 白盒密码及SMS4算法的白盒实现, 密码学进展,中国密码学会2009年会论文集,24-34。
34. Zhong-mei WAN, Jian WENG, Xue-jia LAI, Sheng-li LIU, Ji-guo Li,On the Relation between Identity-Based Proxy Re-Encryption and Mediated Identity-Based Encryption, Journal of Information Science and Engineering 25, 1-XXX (2009)。
35. Zhong-mei WAN, Xue-jia LAI, Jian WENG, Sheng-li LIU, Yu LONG, Xuan HONG, Identity-based key-insulated proxy signature,  Journal of Electronis(China), Vol.26(6):853-858, 2009.
36. Zhong-mei WAN, Xue-jia LAI, Jian WENG, Sheng-li LIU,  Etificateless Key-Insulated Signature Without Random Oracles, Journal of Zhejiang Univ Sci A,2009   Vol. 10   No. 12   p. 1790~1800。
37. Zhongming Wu, Yiyuan Luo, Xuejia Lai and Bo Zhu, Improved Cryptanalysis of FOX Block Cipher,Proceedings of INTRUST 2009, 224-273.
38. Bo Zhu, Kefei Chen and Xuejia Lai, Bitwise Higher Order Differential Cryptanalysis, Proceedings of INTRUST 2009,LNCS, Springer, 2010。
39. 方习文,来学嘉,基于线性自组装的DNA减法模运算,科学通报,2010,55: 957-963
40. Fang XiWen,Lai XueJia, DNA modular subtraction algorithm based on linear self-assembly, Chinese Sci Bull, May 2010, Vol.55 No 15:1574-1580,doi: 10.1007/s11434-010-3125-4.
41. 吴中明, 朱红儒, 来学嘉,一种安全P2P网络的信任评估机制,信息网络安全,108期(2009.12), 69-71.
42. XueJia Lai, MingXin Lu, Lei Qin, JunSong Han & XiWen Fang,Asymmetric encryption and signature method with DNA technology,  Science China Information Sciences, Volume 53 Number 3, 506 – 514, 2010.
43. 来学嘉, 卢明欣, 秦磊, 韩峻松, 方习文, 基于DNA技术的非对称加密与签名方法, 中国科学F辑:信息科学,2010 Vol. 40 (2): 240-248.
44. 来学嘉,  肖雅莹,白盒密码的设计与研究,信息安全与通信保密, 2010年第2 期,45-48.
45. Yiyuan Luo, Qi Chai, Guang Gong and Xuejia Lai,A Lightweight Stream Cipher WG-7 for RFID Encryption and Authentication,Proceedings of IEEE GLOBECOM 2010, 
46. Yiyuan Luo, Xuejia Lai,  Zheng Gong and Zhongming Wu, Pseudorandomness Analysis of the (Extended) Lai-Massey Scheme, Information Processing Letters.


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