(WG-chair hat OFF, Document author hat ON)

Yes, it says that.

It used to have text that was consistent with the CP document. On the 28th August 2008 David Cooper ([email protected]) posted comments to the SIDR WG that included the following: "2) Sections 3.3 and 4.5: For consistency, the profile should either permit the use of SHA-1 or forbid the use of 1024 bit keys. "

When I questioned David on the list on the 4th September as to what he was requesting here and why, David responded as follows:

"So, for consistency, if SHA-1 is considered unacceptable then 1024
bit RSA keys should also be considered unacceptable.  Given the
general push to move away from 1024 bit RSA keys, I would recommend
changing section 3.8 to make the minimum key size 2048 bits."

I then proposed to the WG:

"thank you for this clarification - I'll make the change to 3.8 to
specify a minimum key size of 2048 bits."

I received no further comment on this topic on the WG mailing list until your posting.

Frankly It seems to me that this to-ing and fro-ing is less than productive. Either you agree with David's original line of argument, or you may chose to post cogent reasoning why, in your opinion, David's analysis is incorrect. At this point I don't understand why we would want to revert the section back to allowing 1024 bit keys, given that I see no underlying supporting argumentation in your note that clearly refutes David's reasoning.

So Roque let me ask you directly, since you have chosen to raise this topic at this point: Why is David's analysis unacceptable to you? What arguments can you advance in support of use of 1024-bit RSA keys in this profile?


  Geoff




On 21/07/2009, at 2:05 AM, Roque Gagliano wrote:

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Dear group,

In CP document section 6.1.5. Key sizes it is stated: "For RIR and IANA certificates, the required RSA key size is 2048 bits. For all other certificates, the RSA keys is 2048 or 1024 bits."

In CERT profile document section 3.8 it states: "The key size MUST be a minimum size of 2048 bits.".

I would like to modify both documents allowing a minimum size of 1024 bits.

Regards,
r.

- -------------------------------------------------------------
Roque Gagliano
LACNIC
[email protected]
GPG Fingerprint: E929 06F4 D8CD 2AD8 9365  DB72 9E4F 964A 01E9 6CEE

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