%A GU Chen-yang, FU Wei, LIU Jin-long, SUN Gang %T Survey of ORAM Research in Cloud Storage %0 Journal Article %D 2019 %J Computer Science %R %P 341-347 %V 46 %N 11A %U {https://www.jsjkx.com/CN/abstract/article_18752.shtml} %8 2019-11-10 %X In a cloud storage environment,servers and the third party can fetch information through analyzing the users’ access behaviour,which may cause threats to users’ information security.ORAM mechanism is one of the main strategies which can hide users’ visiting patterns.This mechanism can effectively conceal the corresponding relationships between the access behaviour and the visiting targets.Secure access mechainsm to hide user’s access intention is one of the main means to hide user’s access model at present.Through the study of the basic theories and the development process of the ORAM,this paper concluded the basic scheme of this mechanism and set up a SSIBT performance evaluation index system to make comparisons and analysis between the classic ORAM mechanism and its optimization scheme.Finally,possible research directions of ORAM were summarized based on the main research focus.