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Re: [Tls-reg-review] [IANA #1132414] Re: Request to register TLS integrity only cipher suites for TLS 1.3

"Salz, Rich" <rsalz@akamai.com> Wed, 12 December 2018 16:51 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: "iana-prot-param@iana.org" <iana-prot-param@iana.org>
CC: "jmvisoky@ra.rockwell.com" <jmvisoky@ra.rockwell.com>, "ncamwing@cisco.com" <ncamwing@cisco.com>, "tls-reg-review@ietf.org" <tls-reg-review@ietf.org>
Thread-Topic: [IANA #1132414] Re: [Tls-reg-review] Request to register TLS integrity only cipher suites for TLS 1.3
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Date: Wed, 12 Dec 2018 16:50:37 +0000
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References: <RT-Ticket-1132414@icann.org> <CFEF8F6B-9136-4B4C-B6DE-0E635786A240@akamai.com> <rt-4.4.3-21493-1544578196-1273.1132414-37-0@icann.org>
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Subject: Re: [Tls-reg-review] [IANA #1132414] Re: Request to register TLS integrity only cipher suites for TLS 1.3
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To avoid creating new holes, how about right after dragonfly:
0xC0,0xB3 	TLS_ECCPWD_WITH_AES_256_CCM_SHA384 	Y 	N 	[RFC-harkins-tls-dragonfly-03]
0xC0,0xB4-FF 	Unassigned

On 12/11/18, 8:29 PM, "Amanda Baber via RT" <iana-prot-param@iana.org> wrote:

    Hi Rich,
    
    Which values should we assign? There are a number of ranges available, and I haven't been able to find any text in RFC 8447 or RFC 8446 that identifies which section is for "Not Recommended" assignments:
    
    https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-4
    
    Thanks for your patience,
    
    Amanda Baber
    Lead IANA Services Specialist
    
    On Tue Dec 11 20:34:22 2018, rsalz@akamai.com wrote:
    > We discussed this and approve.  Please assign two numbers in the "not
    > recommended" space.
    > 
    > Thanks!
    > 
    > On 12/5/18, 2:54 PM, "Nancy Cam-Winget (ncamwing)"
    > <ncamwing@cisco.com> wrote:
    > 
    > > Contact Name:
    > > Nancy Cam-Winget
    > >
    > > Contact Email:
    > > ncamwing@cisco.com
    > >
    > > Type of Assignment:
    > > "Not Recommended" TLS Cipher suite assignment
    > >
    > > Registry:
    > > TLS 1.3 cipher suite
    > >
    > > Description:
    > > At least two IoT (ODVA and IEC) forums are requesting the need for
    > > enabling TLS 1.3 with integrity only protection in the data plane.
    > > Under security considerations, we are not recommending this cipher
    > > suite to be widely used and note that no privacy is provided when
    > > this
    > > cipher suite is used and several use cases have been noted where
    > > privacy is not required.
    > >
    > > Additional Info:
    > > We have noted the use cases and security (and privacy) considerations
    > > in https://tools.ietf.org/html/draft-camwinget-tls-ts13-
    > > macciphersuites-01 as well as how the cipher suite would be used with
    > > TLS 1.3
    > 
    > 
    > 
    > _______________________________________________
    > tls-reg-review mailing list
    > tls-reg-review@ietf.org
    > https://www.ietf.org/mailman/listinfo/tls-reg-review
    > 
    >

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