Re: [TLS] WGLC for draft-ietf-tls-md5-sha1-deprecate

2019-11-23 Thread Ilari Liusvaara
On Fri, Nov 22, 2019 at 08:18:47PM +0100, Hubert Kario wrote: > On Friday, 22 November 2019 03:25:24 CET, David Benjamin wrote: > > On Fri, Nov 22, 2019 at 8:35 AM Salz, Rich wrote: > > > > > > ... > > > SHA-1 signature hashes in TLS 1.2" draft available > > > https://datatracker.ietf.org/doc/dra

Re: [TLS] WGLC for draft-ietf-tls-md5-sha1-deprecate

2019-11-23 Thread Karthik Bhargavan
This is a bit of a shameless plug, but I think it is important to cite papers that show that the use of weak hash functions for TLS signatures is actually exploitable. As far as I know, the last round of deprecating MD5 in TLS signatures was triggered by the SLOTH attack: https://www.mitls.org

[TLS] Weekly github digest (TLS Working Group Drafts)

2019-11-23 Thread Github Notifications
Issues -- * tlswg/draft-ietf-tls-esni (+0/-3/💬4) 2 issues received 4 new comments: - #188 "HKDF-Extract(0, Z)" (3 by chris-wood, ekr, sayrer) https://github.com/tlswg/draft-ietf-tls-esni/issues/188 - #149 Replay attack and timestamp (1 by huitema) https://github.com/tlswg/draft-ie