Bind keylog_callback functionality

[daurnimator]

• SSL_CTX_set_keylog_callback

daurnimator/lua-http#57 (comment)

[pspacek]

Hint for people looking for quick hack: See https://git.lekensteyn.nl/peter/wireshark-notes/tree/src/sslkeylog.c , it actually works.

[daurnimator]

Hint for people looking for quick hack: See https://git.lekensteyn.nl/peter/wireshark-notes/tree/src/sslkeylog.c , it actually works.

95% of that file is the compat routines for old openssl (<1.1.0). You can actually do most of those today with luaossl: its just writing to a file with the result of e.g. ssl:getMasterKey()