中文摘要：

系统地总结梳理了国内外云计算可信性研究现状,重点综述了云计算可信平台、框架与模型,可信机制,可信技术,可信管理,可信评估等方面,并得出若干结论：（1）较多文献往往借鉴传统信任管理和可信计算理论与方法;（2）针对云服务提供商的可信性评估研究较少;（3）可信服务度量与评估是云计算领域亟待突破的重要研究课题.

英文摘要：

This paper reviews current situation of cloud computing creditability and focuses on trustworthy platform, frame, model, mechanism, technology, management, evaluation, then acquires some conclusions： （1）many literature borrowed from traditional theory and method of trust management and dependable computing; （2）there are lack of study on evaluation of provider＇s creditabili- ty;（3）measurement and evaluation of the trustworthy service is an important problem that urgently need to be overcame in cloud computing domain.