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Hash tree based disk storage integrity protection suffers from performance penalty and possible losing of consistency. FI-Tree deploys a fixed-structure tree and applies incremental-hash to tree node updating to solve the difficulties of performance and consistency. The biggest advantage of FI-Tree comes from that: to allow tree nodes to be cached to optimize performance, it can maintain consistency...
Approach that integrates encryption and verification is proposed to protect hard disk data. For each data sector, MAC is calculated and the (data sector, MAC) pair is encrypted through the encryption key deduced from the secret root key and a unique nonce. By assuring the nonce to be trusted or untampered through hash tree, data can then be properly decrypted and authenticated. To achieve satisfiable...
To protect data privacy and integrity, it encrypts each protected disk sector and creates hash tree upon all the protected sectors to resist against any possible attacks. To make it an appropriate way for disk protection, it designs the required solutions of disk layout, performance optimizing and consistency maintaining. Disk layout uses a fixed disk region to preserve hash tree nodes; performance...
Storage systems are more distributed and more subject to attacks. Cryptographic file system gives a promising way to mitigate the danger of exposing data by using encryption and integrity protection methods and guarantee end-to-end security to clients. This paper describes SRSAE, a generic approach to cryptographic file system, as well as its realization in a distributed data storage environment....
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