Re: [Hipsec] rfc5201-bis issue 35: limiting ECC cofactor to 1
Robert Moskowitz <rgm@htt-consult.com> Wed, 11 July 2012 18:28 UTC
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Date: Wed, 11 Jul 2012 14:28:44 -0400
From: Robert Moskowitz <rgm@htt-consult.com>
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To: "Henderson, Thomas R" <thomas.r.henderson@boeing.com>
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Cc: HIP <hipsec@ietf.org>
Subject: Re: [Hipsec] rfc5201-bis issue 35: limiting ECC cofactor to 1
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I agree. This is pretty much all we need to say about this. On 06/27/2012 01:19 AM, Henderson, Thomas R wrote: > This was already proposed to the list a while back: > http://www.ietf.org/mail-archive/web/hipsec/current/msg03462.html > > so I'd like to close this issue by adopting the proposed text; specifically: > > 1) Section 5.2.7 (Diffie Hellman) > > OLD TEXT: > > The MODP Diffie-Hellman groups are defined in [RFC3526]. The ECDH > groups 8 - 10 are defined in [RFC5903] and [RFC6090]. ECDH group 7 > is covered in Appendix D. > > NEW TEXT: > > The MODP Diffie-Hellman groups are defined in [RFC3526]. The ECDH > groups 7 - 9 are defined in [RFC5903] and [RFC6090]. ECDH group 10 > is covered in Appendix D. Any ECDH used with HIP MUST have a > co-factor of 1. > > 2) Section 5.2.9 (HOST ID) > > OLD TEXT: > > ... For ECC we distinguish two different profiles: > ECDSA and ECDSA_LOW. ECC contains curves approved by NIST and > defined in RFC 4754 [RFC4754]. ECDSA_LOW is defined for devices with > low computational capabilities and uses shorter curves from SECG > [SECG]. > > ... For ECC we distinguish two different profiles: > ECDSA and ECDSA_LOW. ECC contains curves approved by NIST and > defined in RFC 4754 [RFC4754]. ECDSA_LOW is defined for devices with > low computational capabilities and uses shorter curves from SECG > [SECG]. Any ECDSA used with HIP MUST have a co-factor of 1. > > > _______________________________________________ > Hipsec mailing list > Hipsec@ietf.org > https://www.ietf.org/mailman/listinfo/hipsec >
- [Hipsec] rfc5201-bis issue 35: limiting ECC cofac… Henderson, Thomas R
- Re: [Hipsec] rfc5201-bis issue 35: limiting ECC c… Robert Moskowitz