计算机应用研究2017，Vol.34Issue(1)：242-245,4.DOI:10.3969/j.issn.1001-3695.2017.01.055
理想格上可证明安全的不经意传输协议
Ideal lattice-based oblivious transfer protocol of provably secure
摘要
Abstract
There were some advantages in the ideal lattices which can decrease the keys,shorten the length of key and reduce the cost without reducing the safety.By combining the merits of ideal lattices with the oblivious transfer protocol on general lat-tices and expanding the general lattices’trapdoors generation algorithm presented by Peiker on the EUROCRYPT 2012 to the ideal lattices,this paper presented an ideal lattice-based 1-out-of-n oblivious transfer protocol.Using the trapdoor one-way function based learning with errors on ideal lattice ensures the privacy of submitter and receiver,in addition proved the com-pleteness and security.In terms of efficiency,since using merely modular addition and modular multiplication operations,the protocol was efficient.Besides,it restricted the size of key the length of plaintext and ciphertext effectively and reduced the communication cost significantly.关键词
理想格/陷门单向函数/不经意传输协议/错误学习问题Key words
ideal lattice/trapdoor one-way function/oblivious transfer protocol/learning with errors(LWE)分类
信息技术与安全科学引用本文复制引用
李子臣,张亚泽,张峰娟,杨亚涛..理想格上可证明安全的不经意传输协议[J].计算机应用研究,2017,34(1):242-245,4.基金项目
国家自然科学基金资助项目（61370188）；北京市支持中央高校共建项目---青年英才计划；中央高校基本科研业务费专项资金资助项目 （）
