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8.1.5.3.2 Initialization Vectors

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
modified 8 Transition: A transition plan should be developed and followed so that the changeover part of 8.1.5.3

Title

Initialization Vectors

Control changed

Before · SP 800-57 Part 1 Rev. 4

Initialization vectors (IVs) are used by symmetric-key algorithms in several modes of operation for encryption and decryption, for authentication, or both. The criteria for the generation and use of IVs are provided in the [SP800-38] series of publications; IVs shall be protected as specified in Section 6 . When distributed, IVs may be distributed in the same manner as their associated keys, or may be distributed with the information that uses the IVs as part of the cryptographic mechanism.

After · SP 800-57 Part 1 Rev. 5

Initialization vectors (IVs) are used by symmetric-key algorithms in several modes of operation for encryption and decryption, for authentication, or both. The criteria for the generation and use of IVs are provided in the [SP800-38]SP 800-38 series of publications; IVs shall be protected as specified in Section 6 . When1.2 distributed,. IVs may be distributed in the same manner as their associated keys, or may be distributed with the information that uses the IVs as part of the cryptographic mechanism.