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Triviback: A Storage-Efficient Secure Backup System

机译：Triviback：具有存储效率的安全备份系统

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摘要

The importance of frequent backups is uncontroversial. Their creation is simpler than ever today thanks to widespread availability of cheap cloud storage. Common backup solutions, however, tend to be either insecure, inflexible or inefficient in typical backup scenarios. In this paper, we present triviback, a lightweight and almost trivial, yet powerful solution for outsourcing backups to untrusted cloud storage. Based on recent research results on secure data de-duplication, triviback combines strong confidentiality, authenticity and availability guarantees with flexibility and efficiency in terms of low storage and communication costs: Triviback supports efficient preservation of many backup states with storage costs comparable to state-of-the-art version control systems-while supporting full storage reclamation on deletion of arbitrary backup states. We discuss its security, publish an implementation and perform an extensive evaluation of storage and communication costs.
机译：频繁备份的重要性没有争议。由于廉价云存储的广泛可用性，它们的创建比今天更简单。但是，常见的备份解决方案在典型的备份方案中往往不安全，不灵活或效率低下。在本文中，我们介绍了triviback，这是一种轻量级，几乎是琐碎但功能强大的解决方案，用于将备份外包到不受信任的云存储中。根据有关安全重复数据删除的最新研究结果，triviback将强大的机密性，真实性和可用性保证与灵活性和高效性结合在一起，从而降低了存储和通信成本：Triviback支持有效保存许多备份状态，而存储成本与State-of-state相当。 -最新的版本控制系统-同时支持在删除任意备份状态时进行完全存储回收。我们讨论了它的安全性，发布了实现，并对存储和通信成本进行了广泛的评估。

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