Re: [TLS] ECH: Reuse HPKE context across HRR

2020-11-10 Thread Stephen Farrell
Hiya, On 10/11/2020 22:27, Christopher Patton wrote: Hi list, In case the server sends a HelloRetryRequest (HRR) the client generates a fresh ECH extension, including generating a fresh HPKE context and corresponding encapsulated key. The following PR changes the spec so that the HPKE context

[TLS] ECH: Reuse HPKE context across HRR

2020-11-10 Thread Christopher Patton
Hi list, In case the server sends a HelloRetryRequest (HRR) the client generates a fresh ECH extension, including generating a fresh HPKE context and corresponding encapsulated key. The following PR changes the spec so that the HPKE context generated for the first ECH extension is reused to comput