[TLS] Comments on draft-ietf-tls-external-psk-importer-04

2020-04-21 Thread Hollenbeck, Scott
Here are a few comments gathered from Verisign Labs on draft-ietf-tls-external-psk-importer-04. 1. Overview of draft goals and techniques. We've summarized our understanding of the draft here. Our subsequent comments are based on this understanding. a. Goal: The draft's goal is to define a

[TLS] Comments on draft-dt-tls-external-psk-guidance-01

2020-04-20 Thread Hollenbeck, Scott
Here are a few comments gathered from Verisign Labs on draft-dt-tls-external-psk-guidance-01: 1. Sec. 6, requirement 1 states "Low entropy keys are only secure against active attack if a Password Authenticated Key Exchange (PAKE) is used with TLS." "only secure ... if" may be too strong a

Re: [TLS] Comments on draft-ietf-tls-external-psk-importer-04

2020-04-27 Thread Hollenbeck, Scott
> -Original Message- > From: Christopher Wood > Sent: Friday, April 24, 2020 7:09 PM > To: Hollenbeck, Scott ; TLS@ietf.org > Subject: [EXTERNAL] Re: [TLS] Comments on draft-ietf-tls-external-psk- > importer-04 [snip] > > > Hmm, not quite. The statement inte

Re: [TLS] Comments on draft-ietf-tls-external-psk-importer-04

2020-04-23 Thread Hollenbeck, Scott
elow. > > On Tue, Apr 21, 2020, at 6:57 AM, Hollenbeck, Scott wrote: > > 2. Technical comments. > > > > a. Distinct identities? Sec. 3 states "Non-imported and imported PSKs > > are distinct since their identities are different on the wire." We > >

Re: [TLS] Comments on draft-dt-tls-external-psk-guidance-01

2020-04-23 Thread Hollenbeck, Scott
elow. > > On Mon, Apr 20, 2020, at 7:26 AM, Hollenbeck, Scott wrote: > > Here are a few comments gathered from Verisign Labs on > > draft-dt-tls-external-psk-guidance-01: > > > > 1. Sec. 6, requirement 1 states "Low entropy keys are only secure > > aga