Todd Short

Not sure why `address_ub_santitizer` is failing. I tried running it locally (same options, etc), and it succeeds. The error seems to be in a file this PR does not touch?

Thank you @mattcaswell! I will be updating this shortly.

Ping @mattcaswell ?

I removed `BUF_MEM` from the APIs.

> Should we run some tests with this code and asan? Done.

ping @mattcaswell ?

I added most of the fixes as fixups/additional commits; hopefully to make review easier.

> OTC want to discuss the design of this feature so there maybe some more comments that come out of that. I'd like to discuss it at next week's meeting...

> OTC: Receiving of compressed certificates should be "on" by default Transmission of compressed certificates should be "off" by default, unless you have already cached some certificates using `SSL_CTX_compress_cert()` or...

>If my understanding above is correct then I think the way you have described things is more-or-less in line with the sentiment in the OTC meeting, so I think this...