Re: [smime] I-D ACTION:draft-ietf-smime-cms-rsa-kem-10.txt

David,

You're absolutely correct we'll fix the lengths, use the kdf2/3 OIDs 
from this module, and fix the type in your #2.

spt

David Ireland wrote:
> [smime] I-D ACTION:draft-ietf-smime-cms-rsa-kem-10.txt
> 
> 1. *All* the examples of ASN.1 DER encodings shown in B.4 are incorrect.
> 
> 1a. Where they are advertised to show the ANSI X9.44 OID for id-kdf-kdf3,
> they actually show the ISO 18033-2 OID for kdf2.
> 
> [ASIDE] So we now have two OIDs for KDF2, both referred to as id-kdf-kdf2:
> the ISO 180330-2 one, kdf2(2) (1.0.18033.2.5.2), and the X9.44 one, kdf2(1)
> (1.3.133.16.840.9.44.1.1) - another wonderful opportunity for confusion
> here!
> 
> (I'm using Shoup's draft version of ISO 180330-2, so it may have changed in
> the final version to match X9.44, but I doubt it.)
> 
> 1b. Almost all of the sequence length values in the DER encodings are wrong
> and the lengths for the INTEGERs are missing, so none of the examples shown
> will parse properly if you try and use DUMPASN1 on them.
> 
> 2. A small typo, perhaps? Page 22 about half-way down, should not
> kdf3 ALGORITHM ::= { OID id-kdf-kdf2
> be
> kdf3 ALGORITHM ::= { OID id-kdf-kdf3
> 
> David
> 
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