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8.3.4 Key Destruction Function

NIST platform security: roots of trust, firmware and secure enclaves SP 800-57 Part 1 Rev. 4
All changes in this version
first version loaded 8 Key-Management Phases and Functions part of 8.3

Title

Key Destruction Function

Control

When copies of cryptographic keys are made, care should be taken to provide for their eventual destruction. All copies of the private or symmetric key shall be destroyed as soon as they are no longer required (e.g., for archival or reconstruction activity) in order to minimize the risk of a compromise. Keys shall be destroyed in a manner that removes all traces of the keying material so that it cannot be recovered by either physical or electronic means 45 . Public keys may be retained or destroyed, as desired.