SiRiUS: Securing Remote Untrusted Storage.

摘要: This paper presents SiRiUS, a secure file system designed to be layered over insecure network and P2P systems such as NFS, CIFS, OceanStore, Yahoo! Briefcase. SiRiUS assumes the storage is untrusted provides its own read-write cryptographic access control for level sharing. Key management revocation simple with minimal out-of-band communication. File freshness guarantees are supported by using hash tree constructions. contains novel method of performing random in without use block server. Extensions include large scale group sharing NNL key construction. Our implementation performs well relative underlying despite operations.