Please merge topic/johanna/ssl_signature_details.
This branch adds more details to the ssl_server_signature event and parses the (so far unparsed) datastructure of this event.
One question: why not make the fields of SignatureAndHashAlgorithm optional, instead of setting to 256 if not available?
I think that I did that because SignatureAndHashAlgorithm already existed and is used and is primarily used in contexts where it is not optional.
That being said - I can see both ways and I am happy to change it if you think it would be better as an optional.
went ahead and merged as is. I think I'd still prefer the optional, but not a big deal.