Attribute-based signatures on lattices

查看全文 作　　者：Xie [1]Jia;Hu [1]Yupu;Gao [1]Juntao;Gao [1]Wen;Li [2]Xuelian

机构地区：[1]The State Key Laboratory of Integrated Services Network, Xidian University;[2]School of Mathematics and Statistics, Xidian University

出　　处：《The Journal of China Universities of Posts and Telecommunications》索引2016年第23卷第4期,共8页

基　　金：supported by the National Natural Science Foundation of China(61303217,61303217,61472309,61502372 and 61572390);the 111 Project(B08038);the Fundamental Research Funds for the Central Universities(JB140115);the Natural Science Foundation of Shaanxi Province(2013JQ8002,2014JQ8313) 摘　　要：Because of its wide application in anonymous authentication and attribute-based messaging, the attribute-based signature scheme has attracted the public attention since it was proposed in 2008. However, most of the existing attribute-based signature schemes are no longer secure in quantum era. Fortunately, lattice-based cryptography offers the hope of withstanding quantum computers. And lattices has elevated it to the status of a promising potential alternative to cryptography based on discrete log and factoring, owing to implementation simplicity, provable security reductions and quantum-immune. In this paper, the first lattice attribute-based signature scheme in random oracle model is proposed, which is proved existential unforgeability and perfect privacy. Compared with the current attribute-based signature schemes, our new attribute-based signature scheme can resist quantum attacks and has much shorter public-key size and signature size. Furthermore, this scheme is extended into an attribute-based signature scheme on number theory research unit(NTRU) lattice, which is also secure even in quantum era and has much higher efficiency than the former. 关键词：ATTRIBUTE signature lattice UNFORGEABILITY perfect privacy

相关文献

参考文献（42）
引证文献（2）
耦合文献（4）

参考文献(42)

引证文献(2)

耦合文献(4)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Attribute-based signatures on lattices

参考文献(42)

引证文献(2)

耦合文献(4)

用户提示