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authorIngela Anderton Andin <[email protected]>2017-12-08 15:17:41 +0100
committerIngela Anderton Andin <[email protected]>2018-01-17 17:03:27 +0100
commitf4901ebdeb3556897f309348ad5571abd3cb9421 (patch)
treee069265f04aa24a3dd0859f3c94483eb88afac8a /lib/ssl/doc/src
parent9a67fbf96da78df54bd18d487c6237256b8bef60 (diff)
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dtls: Add DTLS handling to utility functions
Diffstat (limited to 'lib/ssl/doc/src')
-rw-r--r--lib/ssl/doc/src/ssl.xml53
-rw-r--r--lib/ssl/doc/src/ssl_app.xml13
2 files changed, 49 insertions, 17 deletions
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index ebef8bd69a..80b639155b 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -104,7 +104,7 @@
corresponding to <c>inet:setopts/2</c>, <c>inet:getopts/2</c>,
<c>inet:peername/1</c>, <c>inet:sockname/1</c>, and <c>inet:port/1</c>.
The callback <c>gen_tcp</c> is treated specially and calls <c>inet</c>
- directly.</p> For DTLS this feature must be considered exprimental.
+ directly. For DTLS this feature must be considered exprimental.</p>
<taglist>
<tag><c>CallbackModule =</c></tag>
<item><p><c>atom()</c></p></item>
@@ -140,10 +140,16 @@
<tag><c>sslsocket() =</c></tag>
<item><p>opaque()</p></item>
-
- <tag><marker id="type-protocol"/><c>protocol() =</c></tag>
+
+ <tag><marker id="type-protocol"/><c> protocol_versions() =</c></tag>
+ <item><p><c> ssl_tls_protocol() | dtls_protocol() </c></p></item>
+
+ <tag><marker id="type-protocol"/><c> ssl_tls_protocol() =</c></tag>
<item><p><c>sslv3 | tlsv1 | 'tlsv1.1' | 'tlsv1.2'</c></p></item>
+ <tag><marker id="type-protocol"/><c> dtls_protocol() =</c></tag>
+ <item><p><c>'dtlsv1' | 'dtlsv1.2'</c></p></item>
+
<tag><c>ciphers() =</c></tag>
<item><p><c>= [ciphersuite()] | string()</c></p>
<p>According to old API.</p></item>
@@ -459,10 +465,10 @@ marker="public_key:public_key#pkix_path_validation-3">public_key:pkix_path_valid
marker="public_key:public_key#pkix_path_validation-3">public_key:pkix_path_validation/3</seealso>
with the selected CA as trusted anchor and the rest of the chain.</p></item>
- <tag><c>{versions, [protocol()]}</c></tag>
+ <tag><c>{versions, [protocol_versions()]}</c></tag>
<item><p>TLS protocol versions supported by started clients and servers.
This option overrides the application environment option
- <c>protocol_version</c>. If the environment option is not set, it defaults
+ <c>protocol_version</c> and <c>dtls_protocol_version</c>. If the environment option is not set, it defaults
to all versions, except SSL-3.0, supported by the SSL application.
See also <seealso marker="ssl:ssl_app">ssl(6).</seealso></p></item>
@@ -835,6 +841,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
<func>
<name>cipher_suites() -></name>
<name>cipher_suites(Type) -> ciphers()</name>
+ <name>cipher_suites(Type, protocol_version()) -> ciphers()</name>
<fsummary>Returns a list of supported cipher suites.</fsummary>
<type>
<v>Type = erlang | openssl | all</v>
@@ -846,13 +853,14 @@ fun(srp, Username :: string(), UserState :: term()) ->
all available cipher suites. The cipher suites not present
in <c>cipher_suites(erlang)</c> but included in
<c>cipher_suites(all)</c> are not used unless explicitly configured
- by the user.</p>
+ by the user. If the version option is not specified, the highest supported
+ TLS version will be used to determine the supported cipher suites</p>
</desc>
</func>
<func>
<name>eccs() -></name>
- <name>eccs(protocol()) -> [named_curve()]</name>
+ <name>eccs(protocol_version()) -> [named_curve()]</name>
<fsummary>Returns a list of supported ECCs.</fsummary>
<desc><p>Returns a list of supported ECCs. <c>eccs()</c>
@@ -860,7 +868,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
supported protocols and then deduplicating the output.</p>
</desc>
</func>
-
+
<func>
<name>clear_pem_cache() -> ok </name>
<fsummary> Clears the pem cache</fsummary>
@@ -917,7 +925,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
<seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso>
will be performed in addition to the usual x509-path validation checks. If the check fails the error {bad_cert, hostname_check_failed} will
be propagated to the path validation fun <seealso marker="#verify_fun">verify_fun</seealso>, where it is possible to do customized
- checks by using the full possibilitis of the <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso> API.
+ checks by using the full possibilities of the <seealso marker="public_key:public_key#pkix_verify_hostname-3">public_key:pkix_verify_hostname/3</seealso> API.
When the option <c>server_name_indication</c> is provided, its value (the DNS name) will be used as <c>ReferenceID</c>
to <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso>.
@@ -1335,7 +1343,8 @@ fun(srp, Username :: string(), UserState :: term()) ->
<fsummary>Returns version information relevant for the
SSL application.</fsummary>
<type>
- <v>versions_info() = {app_vsn, string()} | {supported | available, [protocol()] </v>
+ <v>versions_info() = {app_vsn, string()} | {supported | available, [ssl_tls_protocol()]} |
+ {supported_dtls | available_dtls, [dtls_protocol()]} </v>
</type>
<desc>
<p>Returns version information relevant for the SSL
@@ -1345,19 +1354,35 @@ fun(srp, Username :: string(), UserState :: term()) ->
<item>The application version of the SSL application.</item>
<tag><c>supported</c></tag>
- <item>SSL/TLS/DTLS versions supported by default.
+ <item>SSL/TLS versions supported by default.
Overridden by a version option on
<seealso marker="#connect-2"> connect/[2,3,4]</seealso>,
<seealso marker="#listen-2"> listen/2</seealso>, and <seealso
marker="#ssl_accept-2">ssl_accept/[1,2,3]</seealso>.
- For the negotiated SSL/TLS/DTLS version, see <seealso
+ For the negotiated SSL/TLS version, see <seealso
marker="#connection_information-1">ssl:connection_information/1
</seealso>.</item>
-
+
+ <tag><c>supported_dtls</c></tag>
+ <item>DTLS versions supported by default.
+ Overridden by a version option on
+ <seealso marker="#connect-2"> connect/[2,3,4]</seealso>,
+ <seealso marker="#listen-2"> listen/2</seealso>, and <seealso
+ marker="#ssl_accept-2">ssl_accept/[1,2,3]</seealso>.
+ For the negotiated DTLS version, see <seealso
+ marker="#connection_information-1">ssl:connection_information/1
+ </seealso>.</item>
+
<tag><c>available</c></tag>
- <item>All SSL/TLS/DTLS versions supported by the SSL application.
+ <item>All SSL/TLS versions supported by the SSL application.
TLS 1.2 requires sufficient support from the Crypto
application.</item>
+
+ <tag><c>available_dtls</c></tag>
+ <item>All DTLS versions supported by the SSL application.
+ DTLS 1.2 requires sufficient support from the Crypto
+ application.</item>
+
</taglist>
</desc>
</func>
diff --git a/lib/ssl/doc/src/ssl_app.xml b/lib/ssl/doc/src/ssl_app.xml
index e79b79a434..fb395f8ffa 100644
--- a/lib/ssl/doc/src/ssl_app.xml
+++ b/lib/ssl/doc/src/ssl_app.xml
@@ -35,7 +35,7 @@
<description>
<p>
- The ssl application is an implementation of the SSL/TLS protocol in Erlang.
+ The ssl application is an implementation of the SSL/TLS/DTLS protocol in Erlang.
</p>
<list type="bulleted">
<item>Supported SSL/TLS/DTLS-versions are SSL-3.0, TLS-1.0,
@@ -94,13 +94,20 @@
<p><c>erl -ssl protocol_version "['tlsv1.2', 'tlsv1.1']"</c></p>
<taglist>
- <tag><c>protocol_version = </c><seealso marker="ssl#type-protocol">ssl:protocol()</seealso><c><![CDATA[<optional>]]></c></tag>
+ <tag><c>protocol_version = </c><seealso marker="ssl#type-protocol">ssl:ssl_tls_protocol()</seealso><c><![CDATA[<optional>]]></c></tag>
<item><p>Protocol supported by started clients and
servers. If this option is not set, it defaults to all
- protocols currently supported by the SSL application.
+ TLS protocols currently supported by the SSL application.
This option can be overridden by the version option
to <c>ssl:connect/[2,3]</c> and <c>ssl:listen/2</c>.</p></item>
+ <tag><c>dtls_protocol_version = </c><seealso marker="ssl#type-protocol">ssl:dtls_protocol()</seealso><c><![CDATA[<optional>]]></c></tag>
+ <item><p>Protocol supported by started clients and
+ servers. If this option is not set, it defaults to all
+ DTLS protocols currently supported by the SSL application.
+ This option can be overridden by the version option
+ to <c>ssl:connect/[2,3]</c> and <c>ssl:listen/2</c>.</p></item>
+
<tag><c><![CDATA[session_lifetime = integer() <optional>]]></c></tag>
<item><p>Maximum lifetime of the session data in seconds. Defaults to 24 hours which is the maximum
recommended lifetime by <url href="http://www.ietf.org/rfc/5246rfc.txt">RFC 5246</url>. However