© Jiewen Yao and Vincent Zimmer 2020
J. Yao, V. ZimmerBuilding Secure Firmwarehttps://doi.org/10.1007/978-1-4842-6106-4_5

5. Firmware Resiliency: Recovery

Jiewen Yao1  and Vincent Zimmer2
(1)
Shanghai, China
(2)
Issaquah, WA, USA
 

This chapter describes a critical aspect of platform resiliency – recovery. This supports the availability aspect of the CIA triad of confidentiality, integrity, and availability. If the platform detects that the integrity of components, including code or data, is broken, the platform needs to restore the components to a known good state. This process is called recovery. It is the last element in firmware resiliency. The recovery process is a variant of the update process. It updates the system to an old state. As such, all ...

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