-- -- Public domain -- local socket = require("socket") local ssl = require("ssl") -- @param hint (nil | string) -- @param max_identity_len (number) -- @param max_psk_len (number) -- @return identity (string) -- @return PSK (string) local function pskcb(hint, max_identity_len, max_psk_len) print(string.format("PSK Callback: hint=%q, max_identity_len=%d, max_psk_len=%d", hint, max_identity_len, max_psk_len)) return "abcd", "1234" end local params = { mode = "client", protocol = "tlsv1_2", psk = pskcb, } local peer = socket.tcp() peer:connect("127.0.0.1", 8888) peer = assert( ssl.wrap(peer, params) ) assert(peer:dohandshake()) print("--- INFO ---") local info = peer:info() for k, v in pairs(info) do print(k, v) end print("---") peer:close()