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Re: [lamps] WG Last Call for draft-ietf-lamps-pkcs12-pbmac1-02

Sean Turner <sean@sn3rd.com> Thu, 26 October 2023 20:28 UTC

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From: Sean Turner <sean@sn3rd.com>
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Date: Thu, 26 Oct 2023 16:28:25 -0400
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To: Hubert Kario <hkario@redhat.com>
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Subject: Re: [lamps] WG Last Call for draft-ietf-lamps-pkcs12-pbmac1-02
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Hubert,

Hi! I was poking looking at the ASN.1 in RFC 5911 [0] and 8018 [1] and I think maybe we need to define maca-hMAC-SHA256 / alg-hMAC-SHA256 for the prf field in PBKDF2-params.  Right now there’s only one value for pdf and it’s defined for maca-hMAC-SHA1 / alg-hMAC-SHA1. If it’s not in another RFC, then for RFC 5911 we’d need something like:

PBKDF2-PRFs ALGORITHM ::= { alg-hMAC-SHA1, alg-hMAC-SHA256, … }

maca-hMAC-SHA256 MAC-ALGORITHM ::= {
       IDENTIFIER hMAC-SHA256
       PARAMS TYPE NULL ARE preferredAbsent
       IS-KEYED-MAC TRUE
       SMIME-CAPS {IDENTIFIED BY hMAC-SHA256}
   }

spt

[0] https://datatracker.ietf.org/doc/html/rfc5911#section-3
[1] https://datatracker.ietf.org/doc/html/rfc8018#appendix-A.2

> On Oct 10, 2023, at 14:45, Russ Housley <housley@vigilsec.com> wrote:
> 
> Title: Use of Password Based Message Authentication Code 1 (PBMAC1) in PKCS #12 Syntax
> 
> Authors: H. Kario
> 
> Datatracker: https://datatracker.ietf.org/doc/draft-ietf-lamps-pkcs12-pbmac1
> 
> Should the LAMPS WG ask the IESG to publish this document as an Informational RFC?  Please respond to this WG last Call by 24 October 2024.
> 
> For the LAMPS WG Chairs,
> Russ
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