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-rw-r--r--lib/ssl/doc/src/using_ssl.xml101
1 files changed, 52 insertions, 49 deletions
diff --git a/lib/ssl/doc/src/using_ssl.xml b/lib/ssl/doc/src/using_ssl.xml
index cce388d02a..e3ebca9410 100644
--- a/lib/ssl/doc/src/using_ssl.xml
+++ b/lib/ssl/doc/src/using_ssl.xml
@@ -21,126 +21,129 @@
</legalnotice>
- <title>Using the SSL API</title>
+ <title>Using SSL API</title>
+ <prepared></prepared>
+ <responsible></responsible>
+ <docno></docno>
+ <approved></approved>
+ <checked></checked>
+ <date></date>
+ <rev></rev>
<file>using_ssl.xml</file>
</header>
-
- <section>
- <title>General information</title>
- <p>To see relevant version information for ssl you can
- call ssl:versions/0</p>
+ <p>To see relevant version information for ssl, call <c>ssl:versions/0</c>.</p>
- <p>To see all supported cipher suites
- call ssl:cipher_suites/0. Note that available cipher suites
- for a connection will depend on your certificate. It is also
- possible to specify a specific cipher suite(s) that you
- want your connection to use. Default is to use the strongest
- available.</p>
-
- </section>
+ <p>To see all supported cipher suites, call <c>ssl:cipher_suites/0</c>.
+ The available cipher suites for a connection depend on your certificate.
+ Specific cipher suites that you want your connection to use can also be
+ specified. Default is to use the strongest available.</p>
<section>
- <title>Setting up connections</title>
+ <title>Setting up Connections</title>
- <p>Here follows some small example of how to set up client/server connections
- using the erlang shell. The returned value of the sslsocket has been abbreviated with
- <c>[...]</c> as it can be fairly large and is opaque.</p>
+ <p>This section shows a small example of how to set up client/server connections
+ using the Erlang shell. The returned value of the <c>sslsocket</c> is abbreviated
+ with <c>[...]</c> as it can be fairly large and is opaque.</p>
<section>
- <title>Minmal example</title>
+ <title>Minimal Example</title>
- <note><p> The minimal setup is not the most secure setup of ssl.</p>
+ <note><p> The minimal setup is not the most secure setup of SSL.</p>
</note>
-
- <p> Start server side</p>
+
+ <p>To set up client/server connections:</p>
+
+ <p><em>Step 1:</em> Start the server side:</p>
<code type="erl">1 server> ssl:start().
ok</code>
- <p>Create an ssl listen socket</p>
+ <p><em>Step 2:</em> Create an SSL listen socket:</p>
<code type="erl">2 server> {ok, ListenSocket} =
ssl:listen(9999, [{certfile, "cert.pem"}, {keyfile, "key.pem"},{reuseaddr, true}]).
{ok,{sslsocket, [...]}}</code>
- <p>Do a transport accept on the ssl listen socket</p>
+ <p><em>Step 3:</em> Do a transport accept on the SSL listen socket:</p>
<code type="erl">3 server> {ok, Socket} = ssl:transport_accept(ListenSocket).
{ok,{sslsocket, [...]}}</code>
- <p>Start client side</p>
+ <p><em>Step 4:</em> Start the client side:</p>
<code type="erl">1 client> ssl:start().
ok</code>
<code type="erl">2 client> {ok, Socket} = ssl:connect("localhost", 9999, [], infinity).
{ok,{sslsocket, [...]}}</code>
- <p>Do the ssl handshake</p>
+ <p><em>Step 5:</em> Do the SSL handshake:</p>
<code type="erl">4 server> ok = ssl:ssl_accept(Socket).
ok</code>
- <p>Send a messag over ssl</p>
+ <p><em>Step 6:</em> Send a message over SSL:</p>
<code type="erl">5 server> ssl:send(Socket, "foo").
ok</code>
- <p>Flush the shell message queue to see that we got the message
- sent on the server side</p>
+ <p><em>Step 7:</em> Flush the shell message queue to see that the message
+ was sent on the server side:</p>
<code type="erl">3 client> flush().
Shell got {ssl,{sslsocket,[...]},"foo"}
ok</code>
</section>
<section>
- <title>Upgrade example</title>
+ <title>Upgrade Example</title>
- <note><p> To upgrade a TCP/IP connection to an ssl connection the
- client and server have to aggre to do so. Agreement
- may be accompliced by using a protocol such the one used by HTTP
- specified in RFC 2817.</p> </note>
+ <note><p>To upgrade a TCP/IP connection to an SSL connection, the
+ client and server must agree to do so. The agreement
+ can be accomplished by using a protocol, for example, the one used by HTTP
+ specified in RFC 2817.</p></note>
+
+ <p>To upgrade to an SSL connection:</p>
- <p>Start server side</p>
+ <p><em>Step 1:</em> Start the server side:</p>
<code type="erl">1 server> ssl:start().
ok</code>
- <p>Create a normal tcp listen socket</p>
+ <p><em>Step 2:</em> Create a normal TCP listen socket:</p>
<code type="erl">2 server> {ok, ListenSocket} = gen_tcp:listen(9999, [{reuseaddr, true}]).
{ok, #Port&lt;0.475&gt;}</code>
- <p>Accept client connection</p>
+ <p><em>Step 3:</em> Accept client connection:</p>
<code type="erl">3 server> {ok, Socket} = gen_tcp:accept(ListenSocket).
{ok, #Port&lt;0.476&gt;}</code>
- <p>Start client side</p>
+ <p><em>Step 4:</em> Start the client side:</p>
<code type="erl">1 client> ssl:start().
ok</code>
<code type="erl">2 client> {ok, Socket} = gen_tcp:connect("localhost", 9999, [], infinity).</code>
- <p>Make sure active is set to false before trying
- to upgrade a connection to an ssl connection, otherwhise
- ssl handshake messages may be deliverd to the wrong process.</p>
+ <p><em>Step 5:</em> Ensure <c>active</c> is set to <c>false</c> before trying
+ to upgrade a connection to an SSL connection, otherwise
+ SSL handshake messages can be delivered to the wrong process:</p>
<code type="erl">4 server> inet:setopts(Socket, [{active, false}]).
ok</code>
- <p>Do the ssl handshake.</p>
+ <p><em>Step 6:</em> Do the SSL handshake:</p>
<code type="erl">5 server> {ok, SSLSocket} = ssl:ssl_accept(Socket, [{cacertfile, "cacerts.pem"},
{certfile, "cert.pem"}, {keyfile, "key.pem"}]).
{ok,{sslsocket,[...]}}</code>
- <p> Upgrade to an ssl connection. Note that the client and server
- must agree upon the upgrade and the server must call
- ssl:accept/2 before the client calls ssl:connect/3.</p>
+ <p><em>Step 7:</em> Upgrade to an SSL connection. The client and server
+ must agree upon the upgrade. The server must call
+ <c>ssl:accept/2</c> before the client calls <c>ssl:connect/3.</c></p>
<code type="erl">3 client>{ok, SSLSocket} = ssl:connect(Socket, [{cacertfile, "cacerts.pem"},
{certfile, "cert.pem"}, {keyfile, "key.pem"}], infinity).
{ok,{sslsocket,[...]}}</code>
- <p>Send a messag over ssl</p>
+ <p><em>Step 8:</em> Send a message over SSL:</p>
<code type="erl">4 client> ssl:send(SSLSocket, "foo").
ok</code>
- <p>Set active true on the ssl socket</p>
+ <p><em>Step 9:</em> Set <c>active true</c> on the SSL socket:</p>
<code type="erl">4 server> ssl:setopts(SSLSocket, [{active, true}]).
ok</code>
- <p>Flush the shell message queue to see that we got the message
- sent on the client side</p>
+ <p><em>Step 10:</em> Flush the shell message queue to see that the message
+ was sent on the client side:</p>
<code type="erl">5 server> flush().
Shell got {ssl,{sslsocket,[...]},"foo"}
ok</code>