2007-: Associate
Professor, Shandong University.
2004-2007: Associate Professor, Qufu Normal
University.
2004-2006: Post-Doctoral Fellow, Shandong
University.

Research
Interests:

Additive number theory, public key cryptology,
elliptic curve.

Grants:

Subproject of 973.
Project Post-Doctoral Fellowship of Shandong
province. Project Nature Science of Shandong province. Project Doctoral Fund of Ministry of Education of China.

Publications:

(with Xiaoyun Wang, Tao Zhan and Yuliang
Zheng) Skew-Frobenius Map on Twisted Edwards
Curves, ICIC Express Letter, 5(6), 2011,
2089-2094.

(with Haifeng Zhang) A new method of
constructing a lattice basis and its
applications to cryptanalyse short exponent RSA,
Mathematical problems in engineering, 2010,
1-11.

(with Cai Jie) Constructing pairing friendly
curves with small , PACIIA 2010, 130-133.

(with Shang He) Some optimal pairing, CIS
2010, 11-14 Dec. 2010 On page(s): 390 – 3934.

(with Leibo Li) A Note on Twin
Diffie-Hellman Problem， CIS 2009, 451-454.

(with Qin Jing, Zhao Huawei) Non-interactive
oblivious transfer protocols, Proceedings - 2009
International Forum on Information Technology
and Applications, IFITA 2009, v 2, 2009,
120-124.

(with Xiaoyun Wang, Guangwu Xu, Lidong Han)
Fast Scalar Multiplication on a Family of
Supersingular Curves over $\mathbb{F}_{2^m}, The
4th International Conferences on Information
Security and Cryptology, 2008.

(with Qin Jing) A note on a provable secure
encryption scheme, ProvSec 2008, J. Shanghai
Jiaotong Univ. (Sci.)13(2), (2008), 655-658.

On the Sum of a Prime the Square of a Prime
and the $k$-th Power of a Prime, Indian J. Pure
and Appl. Math, 39(3),(2008), 251-271.

(with Xu Lingling) New id-based signatures
without trusted PKG, 2008 Workshop on Knowledge
Discovery and Data Mining, 2008, (2008), 589 –
593.

(with Wei Puwen, Wang Wei) A Note on Shacham
and Waters Ring Signatures, International
Conference on Computational intelligence and
Security 2007, (2007), 652-656.

(with Chunyan Song, Jianliang Xu, Shenhua
Li) A Role-Based Secure Workflow Model, The
Sixth International Conference on Grid and
Cooperative Computing(GCC 2007), (2007),
764-774.

(with Meng Xianmeng) On additive problem
with prime numbers of Special type, Demonstratio
Mathematica. vol(XL), (2007), 271-287.

Hua's theorem in thin subsets, (Chinese) J.
Math. (Wuhan) 27 (2007), no. 1, 65-72.

(with Wang Xiaoyun, Zheng Shihu) A New Fuzzy
Digital Signature Scheme, Computer Engineering.
32(2006), no. 23, 40-42.

(with Meng Xian Meng ) The exceptional set
in the two prime squares and a prime problem,
Acta Math. Sin. (Engl. Ser.) 22 (2006), no. 5,
1329-1342.

(with Meng Xianmeng) A hybrid of theorems of
Goldbach and Piatetski-Shapiro， Chinese Ann.
Math. Ser. B 27 (2006), no. 3, 341-352.

(with Ji Jia Hui; Li Da Xing) New proxy
multi-signature, multi-proxy signature and
multi-proxy multi-signature schemes from
bilinear pairings， (Chinese) Chinese J. Comput.
27 (2004), no. 10, 1429-1435.

On the sum of a prime and two prime squares,
(Chinese) Acta Math. Sinica (Chin. Ser.) 47
(2004), no. 5, 845-858.

The sum of a prime and the square of a
prime, (Chinese) Acta Math. Sinica (Chin. Ser.)
47 (2004), no. 4, 695-702.

(with Liu Tao) On the sum of a prime and a
$k$-power of a prime, Adv. Math. (China) 33
(2004), no. 3, 363-368.

(with Yu Jiguo) On the sum of a prime and a
$k$-power of a prime, Pure Appl. Math. (Xi'an)
19 (2003), no. 1, 62-67.

Sums of a prime, and a square of prime, and
a $k$-power of prime, Northeast.Math. J. 18
(2002), no. 4, 283-286.

(with Shi Ke Fu) A problem related to the
sum of each digit's $k$th-power of a natural
number, (Chinese) Qufu Shifan Daxue Xuebao Ziran
Kexue Ban 27 (2001), no. 2,40-41.