ITU-T A.5 reference justification

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ITU-T A.5 justification information for referenced document FIPS PUB 81 (1980) in draft G.984.3 Amd.2

Clear description of the referenced document:

Name:	FIPS PUB 81 (1980)
Title:	DES Modes of Operation, December 1980.

Status of approval:

FIPS PUBS 81 has been approved by Secretary of Commerce.

Justification for the specific reference:

The advanced encryption standard (AES) encryption algorithm specified in FIPS PUB 81 (1980) is used in G.984.3 Clause 12.

Current information, if any, about IPR issues:

Other useful information describing the "Quality" of the document:

DES operating in these modes is around since the late 70’ies and in very wide commercial deployment. FIPS-81 was published in December 1980.

The degree of stability or maturity of the document:

Relationship with other existing or emerging documents:

DES is referenced in several other standards, TLS, IPSEC and many, many more.

Any explicit references within that referenced document should also be listed:

none

Qualification of NIST:

Qualification of NIST: NIST is recognized under the provisions of ITU-T Recommendation A.5. Qualifying information is on file in TSB.

10.

Other (for any supplementary information):

FIPS-PUB 81 is freely available at http://www.itl.nist.gov/fipspubs/fip81.htm

Note: This form is based on Recommendation ITU-T A.5

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