Re: [Emu] Processing of TEWAP erratum 5127

2020-01-28 Thread Eliot Lear
> On 27 Jan 2020, at 05:46, Joseph Salowey wrote: > > [Joe] THis is not the only the derivation could be interpreted. The null > after the label and the inclusion of the length are part of RFC 8295 and not > the TLS PRF. To fix this errata I think we should define the TLS-PRF to be > P_

Re: [Emu] Processing of TEWAP erratum 5127

2020-01-26 Thread Joseph Salowey
> >> Could it be that this text refers to RFC 5295: >> >> If an inner method supports export of an Extended Master Session Key >> (EMSK), then the IMSK SHOULD be derived from the EMSK as defined in >> [*RFC5295*]. The usage label used is "teapbind...@ietf.org", and the >> length is 64 octets.

Re: [Emu] Processing of TEWAP erratum 5127

2020-01-24 Thread Joseph Salowey
On Mon, Nov 25, 2019 at 5:43 AM Eliot Lear wrote: > Hi Juoni, > > Thanks for taking the time. I suspect this will take a few iterations to > get the actual text right, as I am drinking water from a fire hose here. > Please bear with me. > > On 24 Nov 2019, at 12:31, Jouni Malinen wrote: > > On

Re: [Emu] Processing of TEWAP erratum 5127

2019-11-25 Thread Eliot Lear
Hi Juoni, Thanks for taking the time. I suspect this will take a few iterations to get the actual text right, as I am drinking water from a fire hose here. Please bear with me. > On 24 Nov 2019, at 12:31, Jouni Malinen wrote: > > On Fri, Nov 22, 2019 at 05:21:10PM +0800, Eliot Lear wrote: >

Re: [Emu] Processing of TEWAP erratum 5127

2019-11-24 Thread Jouni Malinen
On Fri, Nov 22, 2019 at 05:21:10PM +0800, Eliot Lear wrote: > I have been reviewing this erratum, and I think it is correct, but I have a > question: > > > Section 5.2. says: > > > > IMSK = First 32 octets of TLS-PRF(EMSK, "teapbind...@ietf.org" | > > "\0" | 64) > > It should say: > > > >