Re: [IPsec] AES key lengths: draft-ietf-ipsecme-esp-ah-reqts

<Paul_Koning@Dell.com> Sat, 08 March 2014 20:00 UTC

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From: <Paul_Koning@Dell.com>
To: <david.black@emc.com>
Thread-Topic: [IPsec] AES key lengths: draft-ietf-ipsecme-esp-ah-reqts
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Date: Sat, 8 Mar 2014 20:00:42 +0000
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Cc: ipsec@ietf.org, paul.hoffman@vpnc.org
Subject: Re: [IPsec] AES key lengths: draft-ietf-ipsecme-esp-ah-reqts
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On Mar 8, 2014, at 8:08 AM, Black, David <david.black@emc.com> wrote:

>> The next draft changes AES-128-CBC to AES-CBC, and says:
>> 
>> In the following sections, all AES modes are for 128-bit AES. 192-bit AES
>> MAY be supported for those modes, but the requirements here are for 128-bit
>> AES.
> 
> What about 256-bit AES keys?  They should also be a "MAY".

Why not “SHOULD” for 192 and 256 bit keys?

	paul