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POWhat does it take to convert an http server into an https server?
 

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  1. POWhat does it take to convert an http server into an https server?
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    <p>This question is similar to <a href="https://stackoverflow.com/questions/3215318/starting-to-use-openssl">Starting to use OpenSSL</a> but more specific and detailed so I think it's fair to ask.</p> <p>Suppose I have an simple http server that does the following in a successful GET scenario </p> <ul> <li>creates a listening socket</li> <li>a client connects</li> <li>reads the data through recv</li> <li>parses the GET request, now it knows which resource to return</li> <li>writes the response through send</li> <li>close the socket</li> </ul> <p>This server is written in c++ on linux.</p> <p>My question is, What does it take to convert this server into an minimal https server? (in particular using OpenSSL, but answers in a general sense are welcome.)</p> <p>Here's my understanding (question marks mean I'm have no idea)</p> <ul> <li>initialize the library</li> <li>read the server certificate and private key and other configurations</li> <li>create a normal listening socket(?)</li> <li>a client connects</li> <li>do the handshaking through a library function(?)</li> <li>handshaking done</li> <li>do I need a special step before I start receiving and sending data?</li> <li>read data through library function(?)</li> <li>does the data look exactly like an HTTP GET at this point?</li> <li>if it does, parse the GET and get the resource</li> <li>write return data through library function(?)</li> <li>close the connection through a library function(?)</li> </ul> <p>In summary, I'm hoping that it only requires adding some extra steps to the current code and does not affect the HTTP parsing. Is this assumption correct?</p> <p>Many thanks to anybody who could fill in the blanks.</p>
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    1. COA minimal SSL server is listed in the [answer to question 7080958][1] [1]: http://stackoverflow.com/questions/7080958/openssl-code-works-on-xp-but-hangs-forever-in-vista-and-up
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