%A CHEN Jian, WANG Xiao-ying, WANG Yong-tao and LI Yao-sen %T Efficient Attribute Based Key Agreement Protocol %0 Journal Article %D 2015 %J Computer Science %R %P 444-446 %V 42 %N Z6 %U {https://www.jsjkx.com/CN/abstract/article_2259.shtml} %8 2018-11-14 %X We proposed an efficient attribute based key agreement protocol.Due to the property of fuzzy identification on the participants of the protocol,attribute based key agreement protocol has been a hot topic of research in recent years.We presented a concrete construct of a two-party efficient attribute based key agreement protocol,based on the key abstraction of the most efficient attribute based encryption scheme at present.The new protocol achieves more expressive access structure and is effcient.Futhermore,the new protocol was proved secure in the standard model under the decisional q-parallel bilinear diffie-hellman exponent assumption(BDHE).