Sorry, but TLS has PSK cyphers that do not use asymmetric cryptography. They are not used often, as you normally want the benefits of asymmetric cryptography, b

Sorry, but TLS has PSK cyphers that do not use asymmetric cryptography. They are not used often, as you normally want the benefits of asymmetric cryptography, but they are useful if you can pair devices out-of-band and can store a unique secret key for each communication partner.