Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk

2019-05-20 Thread Geoffrey Keating
Joseph Salowey writes: > The last call has come and gone without any comment. Please indicate if > you have reviewed the draft even if you do not have issues to raise so the > chairs can see who has reviewed it. Also indicate if you have any plans to > implement the draft. I looked at the

Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk

2019-05-20 Thread Blumenthal, Uri - 0553 - MITLL
One question that I have after reading it: I understand why one wants to implement this extension, but I don’t see how the two endpoints would arrive at that external PSK. Sadly - we're back to the 1980's in terms of key management. The obvious answers are a) they meet to exchange keys, b)

Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk

2019-05-20 Thread Michael StJohns
On 5/20/2019 3:41 PM, Blumenthal, Uri - 0553 - MITLL wrote: I reviewed this draft (“browsed through” would be a more honest statement). I didn’t spot an obvious problem with it. One question that I have after reading it: I understand why one wants to implement this extension, but I don’t

Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk

2019-05-20 Thread Blumenthal, Uri - 0553 - MITLL
I reviewed this draft (“browsed through” would be a more honest statement). I didn’t spot an obvious problem with it. One question that I have after reading it: I understand why one wants to implement this extension, but I don’t see how the two endpoints would arrive at that external PSK.

Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk

2019-05-20 Thread Russ Housley
TLS 1.3 Extension for Certificate-based Authentication with an External PSK ensures the US Government has a quantum-resistant option for TLS in the interim years until post-quantum algorithms emerge from the NIST process. For this reason, there is an intent to specify this extension in future

Re: [TLS] [Technical Errata Reported] RFC5246 (5722)

2019-05-20 Thread Megan Ferguson
Greetings, FYI - This report has been deleted as junk. Thank you. RFC Editor/mf On May 17, 2019, at 2:06 PM, RFC Errata System wrote: > The following errata report has been submitted for RFC5246, > "The Transport Layer Security (TLS) Protocol Version 1.2". > >

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

2019-05-20 Thread Peter Gutmann
Martin Rex writes: >BEAST is an attack against Web Browsers (and the abuse known as SSL-VPNs), it >is *NO* attack against TLS That actually applies to an awful lot of recent attacks on TLS - they're attacks that rely on web software that's actively cooperating with the attacker, not attacks on