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8.2.2.2 Key Recovery Function

NIST platform security: roots of trust, firmware and secure enclaves SP 800-57 Part 1 Rev. 5 against SP 800-57 Part 1 Rev. 4
All changes in this version
unchanged 8 Transition: A transition plan should be developed and followed so that the changeover part of 8.2.2

Title

Key Recovery Function

Control

Keying material that is in active memory or stored in normal operational storage may sometimes be lost or corrupted (e.g., from a system crash or power fluctuation). Some of the keying material is needed to continue operations and cannot easily be replaced. An assessment needs to be made of which keying material needs to be preserved for possible recovery at a later time. The decision as to whether key recovery is required should be made on a case-by-case basis. The decision should be based on: 1. The type of key (e.g., private signature key or symmetric data-encryption key);