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6.2.1.3 Confidentiality

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 6 Training: If the new system requires that new or different tasks (e.g., key part of 6.2.1

Title

Confidentiality

Control

Keying material may require confidentiality protection during transit. If confidentiality protection is required, the keying material shall be protected using one or more of the following mechanisms: 1. Manual method: (a) The keying material is encrypted (e.g., wrapped) using an approved technique that provides protection at a security strength that meets or exceeds the security strength required of the keying material. -OR- (b) The keying material is separated into key components, with each key component being generated at a security strength that meets or exceeds the security strength required of the keying material. Each key component is handled, using split- knowledge procedures (see Sections 8.1.5.2.1 and 8.1.5.2.2.1 ), so that no single individual can acquire access to all key components. -OR- (c) Appropriate physical and procedural protection is provided (e.g., by using a trusted courier).