During the IETF Last Call for draft-manral-ipsec-rfc4305-bis-errata,
we received a comment that deserves wide exposure.
For ESP encryption algorithms, the document that was sent out for
Last Call contains the following table:
Requirement Encryption Algorithm (notes)
----------- --------------------
MUST NULL (1)
MUST- TripleDES-CBC [RFC2451]
SHOULD+ AES-CBC with 128-bit keys [RFC3602]
SHOULD AES-CTR [RFC3686]
SHOULD NOT DES-CBC [RFC2405] (3)
The Last Call comment suggests changing the "SHOULD+" for AES-CBC to "MUST."
I support this proposed change, and I have asked the author to make
this change in the document that will be submitted to the IESG for
consideration on the Telechat on January 25th. If anyone has an
objection to this change, please speak now. Please send comments on
this proposed change to the [email protected] or [email protected] mailing
lists by 2007-01-24.
Russ Housley
Security AD
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