Re: [TLS] Security review of TLS1.3 0-RTT

2017-05-30 Thread Colm MacCárthaigh
On Tue, May 30, 2017 at 2:38 PM, Victor Vasiliev wrote: > Thank you for your analysis! I appreciate the attention to the security > properties of the 0-RTT requests, as it is the more delicate part of the > protocol. It took me a while to get through the entire review, and there > are > many th

Re: [TLS] Security review of TLS1.3 0-RTT

2017-05-30 Thread Dave Garrett
On Tuesday, May 30, 2017 05:38:02 pm Victor Vasiliev wrote: > TLS isn’t a magical “transport security solution”, it provides a very specific > set of explicit security guarantees to the applications that use it. It can > be > used as a building block for the secure systems, but at the end of the

Re: [TLS] Eric Rescorla's Discuss on draft-ietf-tls-ecdhe-psk-aead-04: (with DISCUSS and COMMENT)

2017-05-30 Thread Martin Rex
Eric Rescorla wrote: > On Tue, May 23, 2017 at 9:34 PM, Martin Rex wrote: >> >> This change _still_ prohibits the server from negotiating these algorithms >> with TLSv1.1 and below. >> >> Could you elaborate a little on where and why you see a problem with this? >> > > For starters, TLS 1.3 has a