Re: [TLS] WGLC for "Deprecating TLSv1.0 and TLSv1.1"

2019-05-14 Thread Martin Rex
Hubert Kario wrote: > > there are attacks, like BEAST, that TLS 1.0 is vulnerable to that > TLS 1.1 and TLS 1.2 are not - that's a fact there are ciphersuites > that are invulnerable to Lucky13 and similar style of attacks that > can not be used with TLS 1.0 or TLS 1.1 - that's a fact BEAST is

[TLS] I-D Action: draft-ietf-tls-external-psk-importer-00.txt

2019-05-14 Thread internet-drafts
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Transport Layer Security WG of the IETF. Title : Importing External PSKs for TLS Authors : David Benjamin Christopher A.

Re: [TLS] Proposal to deprecate sha1 and md5 for digital signatures in TLS 1.2

2019-05-14 Thread Daniel Migault
On Tue, May 14, 2019 at 2:27 PM Hubert Kario wrote: > On Tuesday, 14 May 2019 20:09:36 CEST Daniel Migault wrote: > > section 2: > > > > I am wondering whether SHOULD NOT could be replaced by MUST NOT. On the > > one hand, deprecation should be smooth, but on the other hand I am > reading > >

Re: [TLS] Proposal to deprecate sha1 and md5 for digital signatures in TLS 1.2

2019-05-14 Thread Hubert Kario
On Tuesday, 14 May 2019 20:16:17 CEST Loganaden Velvindron wrote: > On Tue, May 14, 2019 at 3:24 PM Hubert Kario wrote: > > On Tuesday, 14 May 2019 08:34:38 CEST Loganaden Velvindron wrote: > > > Latest draft is here: > > > https://www.ietf.org/id/draft-lvelvindron-tls-md5-sha1-deprecate-04.txt >

Re: [TLS] Proposal to deprecate sha1 and md5 for digital signatures in TLS 1.2

2019-05-14 Thread Hubert Kario
On Tuesday, 14 May 2019 20:09:36 CEST Daniel Migault wrote: > section 2: > > I am wondering whether SHOULD NOT could be replaced by MUST NOT. On the > one hand, deprecation should be smooth, but on the other hand I am reading > that rfc6194 and rfc6151 already started the deprecation. I would

Re: [TLS] Proposal to deprecate sha1 and md5 for digital signatures in TLS 1.2

2019-05-14 Thread Loganaden Velvindron
On Tue, May 14, 2019 at 3:24 PM Hubert Kario wrote: > On Tuesday, 14 May 2019 08:34:38 CEST Loganaden Velvindron wrote: > > Latest draft is here: > > https://www.ietf.org/id/draft-lvelvindron-tls-md5-sha1-deprecate-04.txt > > why did you drop SHA-1 from Section 4 and 5? > > It was done following

Re: [TLS] WGLC for "Deprecating TLSv1.0 and TLSv1.1"

2019-05-14 Thread Hubert Kario
On Tuesday, 14 May 2019 16:52:49 CEST Martin Rex wrote: > Hubert Kario wrote: > > Martin Rex wrote: > >> Hubert Kario wrote: > >>> MD5 was deprecated and removed by basically every library > >>> and can't be used in TLS 1.2, I specifically meant SHA1 > >> > >> MD5 deprecated ? Nope, glaring

Re: [TLS] Proposal to deprecate sha1 and md5 for digital signatures in TLS 1.2

2019-05-14 Thread Daniel Migault
Hi, Please find some comments. Yours, Daniel Introduction I would suggest a reference to rfc6194 for sha1 digest as well as for hmac-sha1. I believe more text in the introduction may be needed to expose how the document impacts TLS 1.2. Typically, the impacted structure is HashAlgorithm,

Re: [TLS] WGLC for "Deprecating TLSv1.0 and TLSv1.1"

2019-05-14 Thread Kathleen Moriarty
On Tue, May 14, 2019 at 12:33 PM David Benjamin wrote: > > which exact piece of popular software actually still does that? >> > It ain't curl, it ain't Chrome, it ain't Firefox. >> >> It definitely was implemented in Chrome and Firefox, which is how this >> poor document got onto standards

Re: [TLS] WGLC for "Deprecating TLSv1.0 and TLSv1.1"

2019-05-14 Thread Martin Rex
Hubert Kario wrote: > Martin Rex wrote: >> Hubert Kario wrote: >>> MD5 was deprecated and removed by basically every library >>> and can't be used in TLS 1.2, I specifically meant SHA1 >> >> MD5 deprecated ? Nope, glaring emtpy: >>

Re: [TLS] early code-point assignment request for draft-ietf-tls-dtls-connection-id-04

2019-05-14 Thread Kraus Achim (INST/ECS4)
Hi Joe, > request to our AD is there an "expected date" for that requested assignment of early code-points? I tried to find something on the IANA page, but wasn't successful. Mit freundlichen Grüßen / Best regards Achim Kraus (INST/ECS4) Bosch Software Innovations GmbH | Stuttgarter

Re: [TLS] Proposal to deprecate sha1 and md5 for digital signatures in TLS 1.2

2019-05-14 Thread Hubert Kario
On Tuesday, 14 May 2019 08:34:38 CEST Loganaden Velvindron wrote: > Latest draft is here: > https://www.ietf.org/id/draft-lvelvindron-tls-md5-sha1-deprecate-04.txt why did you drop SHA-1 from Section 4 and 5? the note about SHA-1 in HMAC applies to ciphersuites, to state explicitly that

Re: [TLS] Proposal to deprecate sha1 and md5 for digital signatures in TLS 1.2

2019-05-14 Thread Loganaden Velvindron
[comments in-line] On Fri, May 10, 2019 at 5:47 AM Martin Thomson wrote: > It might pay to spend more time on explaining what you are trying to do. > > The goal appears to be to remove a dependency on signature schemes that > include these weaker hash functions. But the introduction just says