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-rw-r--r--lib/crypto/doc/src/crypto_app.xml29
1 files changed, 26 insertions, 3 deletions
diff --git a/lib/crypto/doc/src/crypto_app.xml b/lib/crypto/doc/src/crypto_app.xml
index 2b9e505988..ba22557480 100644
--- a/lib/crypto/doc/src/crypto_app.xml
+++ b/lib/crypto/doc/src/crypto_app.xml
@@ -5,7 +5,7 @@
<header>
<copyright>
<year>1999</year>
- <year>2016</year>
+ <year>2017</year>
<holder>Ericsson AB, All Rights Reserved</holder>
</copyright>
<legalnotice>
@@ -41,14 +41,37 @@
<section>
<title>DEPENDENCIES</title>
- <p>The current crypto implementation uses nifs to interface OpenSSLs crypto library
- and requires <em>OpenSSL</em> package version 0.9.8 or higher.</p>
+ <p>The current crypto implementation uses nifs to interface
+ OpenSSLs crypto library and may work with limited functionality
+ with as old versions as <em>OpenSSL</em> 0.9.8c.
+ FIPS mode support requires at least
+ version 1.0.1 and a FIPS capable OpenSSL installation. We recommend using a
+ version that is officially supported by the OpenSSL project. API compatible backends like
+ LibreSSL should also work.</p>
+
<p>Source releases of OpenSSL can be downloaded from the <url href="http://www.openssl.org">OpenSSL</url> project home page,
or mirror sites listed there.
</p>
</section>
<section>
+ <title>CONFIGURATION</title>
+ <p>The following configuration parameters are defined for the
+ crypto application. See <c>app(3)</c> for more information about
+ configuration parameters.</p>
+ <taglist>
+ <tag><c>fips_mode = boolean()</c></tag>
+ <item>
+ <p>Specifies whether to run crypto in FIPS mode. This setting
+ will take effect when the nif module is loaded. If FIPS mode
+ is requested but not available at run time the nif module and
+ thus the crypto module will fail to load. This mechanism
+ prevents the accidental use of non-validated algorithms.</p>
+ </item>
+ </taglist>
+ </section>
+
+ <section>
<title>SEE ALSO</title>
<p>application(3)</p>
</section>