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Diffstat (limited to 'lib/ssl/doc/src/using_ssl.xml')
| -rw-r--r-- | lib/ssl/doc/src/using_ssl.xml | 124 |
1 files changed, 65 insertions, 59 deletions
diff --git a/lib/ssl/doc/src/using_ssl.xml b/lib/ssl/doc/src/using_ssl.xml index cce388d02a..b6a4bb5bec 100644 --- a/lib/ssl/doc/src/using_ssl.xml +++ b/lib/ssl/doc/src/using_ssl.xml @@ -8,139 +8,145 @@ <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> - The contents of this file are subject to the Erlang Public License, - Version 1.1, (the "License"); you may not use this file except in - compliance with the License. You should have received a copy of the - Erlang Public License along with this software. If not, it can be - retrieved online at http://www.erlang.org/. - - Software distributed under the License is distributed on an "AS IS" - basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - the License for the specific language governing rights and limitations - under the License. + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. </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 + <seealso marker="ssl:ssl#versions-0"><c>ssl:versions/0</c></seealso> + .</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 <seealso marker="ssl:ssl#cipher_suites-1"><c>ssl:cipher_suites(all)</c> </seealso>. + 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<0.475>}</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<0.476>}</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> |