Re: [Emu] EAP and Fragmentation

2019-03-15 Thread Alan DeKok
On Mar 15, 2019, at 12:51 PM, slon v sobstvennom palto wrote: > > >That is probably the correct behavior to standardize, i.e., something like > >"Implementations MUST NOT set the L bit in unfragmented messages, but MUST > >accept unfragmented messages with and without the L bit set." > > I'm

Re: [Emu] EAP and Fragmentation

2019-03-15 Thread John Mattsson
Alan wrote: >I've done a quick check. On reception, FreeRADIUS accepts the L bit for any >type of message. It doesn't care >about fragments, just that the length is >correct. > >For sending packets, FreeRADIUS sets the L bit only if it is sending >fragments. That is probably the correct

Re: [Emu] EAP and Fragmentation

2019-03-15 Thread John Mattsson
Hi Oleg, >I remember that some EAP-TLS/PEAP clients rejected not fragmented messages >without L bit set, probably due to their wrong interpretation of EAP-TLS >RFC. Would it worth to say something like "Implementation SHOULD accept >unfragmented messages with and without L bit set" in addition

Re: [Emu] EAP and Fragmentation

2019-03-14 Thread slon v sobstvennom palto
Hi John, >Should draft-ietf-emu-eap-tls13-04 just copy the sentence from RFC 5281 or do the group want something different? I remember that some EAP-TLS/PEAP clients rejected not fragmented messages without L bit set, probably due to their wrong interpretation of EAP-TLS RFC. Would it worth to

Re: [Emu] EAP and Fragmentation

2019-03-10 Thread John Mattsson
Welcome and thanks for your comments Oleg! slon v sobstvennom palto ; wrote: >Per my experience the existing fragmentation method described in EAP-TLS >RFC 5216 serves good for all fragmentation needs. The method is reused by >PEAP, EAP-FAST, TEAP and EAP-TTLS. There's an ambiguity in EAP-TLS

Re: [Emu] EAP and Fragmentation

2019-02-27 Thread Dr. Pala
Hi Mohit, all, somehow I skipped this message... :( Sorry ... anyhow - I do not have a draft on that, and I am not even sure how this could be structured - maybe this could be a BCP ? I actually came across another building block that might be useful: an easy way to negotiate a key and an

Re: [Emu] EAP and Fragmentation

2019-02-14 Thread Dr. Pala
Hi Alan, thanks for the answers... aligned with what I thought and they do make sense... :D Further considerations inline... On 2/12/19 11:26 AM, Alan DeKok wrote: On Feb 12, 2019, at 12:36 PM, Dr. Pala wrote: [...] This, led me to my first question: is there a de-facto "standard" way to

Re: [Emu] EAP and Fragmentation

2019-02-14 Thread Mohit Sethi M
Hi Oleg, You are warmly welcome. Not all methods use a TLS outer tunnel. For example: EAP-pwd has the following text: EAP-pwd fragmentation support is provided through the addition of flags within the EAP-Response and EAP-Request packets, as well as a Total-Length field of two octets.

Re: [Emu] EAP and Fragmentation

2019-02-14 Thread slon v sobstvennom palto
Hi all, These are my first steps in this group so please correct me if I don't follow the rules. Per my experience the existing fragmentation method described in EAP-TLS RFC 5216 serves good for all fragmentation needs. The method is reused by PEAP, EAP-FAST, TEAP and EAP-TTLS. There's an

Re: [Emu] EAP and Fragmentation

2019-02-14 Thread Mohit Sethi M
Dear Dr. Pala, On 2/12/19 7:36 PM, Dr. Pala wrote: Hi all, I am working on a draft for credentials management via EAP. When looking at the different specifications, it seems a bit weird that EAP does not provide Fragmentation control and requires each method to define their own way. This,

Re: [Emu] EAP and Fragmentation

2019-02-12 Thread Alan DeKok
On Feb 12, 2019, at 12:36 PM, Dr. Pala wrote: > I am working on a draft for credentials management via EAP. When looking at > the different specifications, it seems a bit weird that EAP does not provide > Fragmentation control and requires each method to define their own way. IIRC, EAP was