Re: [Emu] [Lake] EDHOC rekey

2023-01-29 Thread Tero Kivinen
Rafa Marín López writes: > Hi John: > - 2) Use PSK with ECDHE (similar to psk_dhe_ke in TLS) > > Let me also add here, as a reference, IKEv2. Basically, section 1.3.2 in RFC > 7296 shows a 1-RTT exchange including DH exchange and nonces to regenerate the > IKE security association. > > -

Re: [Emu] [Lake] EDHOC rekey

2023-01-29 Thread Tero Kivinen
John Mattsson writes: > Tero Kivinen wrote: > > > and doing Diffie-Hellman for each of them would be too costly > > I agree that was true in the past. Do you think that is still the > case for an optimized implementation of modern algorithms running on > new CPUs? As I