On Sat, Mar 14, 2020 at 6:32 PM Salz, Rich <rs...@akamai.com> wrote: > > - I am reading this article > https://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.3 > > <https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wikipedia.org_wiki_Transport-5FLayer-5FSecurity-23TLS-5F1.3&d=DwMFaQ&c=96ZbZZcaMF4w0F4jpN6LZg&r=4LM0GbR0h9Fvx86FtsKI-w&m=fCbKo1PqkI-xmUI3r8SEeBwi0vGNun5Nu-BSjIhMSRk&s=mZTWgcptYk4kmksLTFbRn4MxTRgcCHBN-ZMCbCKEKR8&e=> > I > have a followup question regarding TLS version 1.3. Can we use it in > production servers or it is good to be on TLS version 1.2? I look forward > to hearing from you. > > > > There are no problems with the protocol; it has had extensive analysis. > There are no known implementation bugs, but of course that doesn’t mean > there are none. Most browsers will use TLS 1.3 if the server supports it. > Many big websites or providers use it. Go ahead. It does a smidgen more > crypto work, but client/server latency is reduced. > > > > As for TLS 1.2, it has not had as much analysis, but has no known protocol > flaws. It is also considered safe to use. > > > > Do not use TLS 1.1, TLS 1.0 or SSL 3. > > >
Thanks Rich Salz for the explanation and much appreciated. Please suggest me books or tutorials to understand OpenSSL and TLS cryptographic protocol in detail. I look forward to hearing from you. Thanks in advance. Best Regards, Kaushal