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-rw-r--r--lib/crypto/doc/src/crypto.xml21
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml
index eda0f7af51..ce8bf2216a 100644
--- a/lib/crypto/doc/src/crypto.xml
+++ b/lib/crypto/doc/src/crypto.xml
@@ -41,6 +41,9 @@
<p>Hmac functions - <url href="http://www.ietf.org/rfc/rfc2104.txt"> Keyed-Hashing for Message Authentication (RFC 2104) </url></p>
</item>
<item>
+ <p>Cmac functions - <url href="http://www.ietf.org/rfc/rfc4493.txt">The AES-CMAC Algorithm (RFC 4493)</url></p>
+ </item>
+ <item>
<p>Block ciphers - <url href="http://csrc.nist.gov/groups/ST/toolkit/block_ciphers.html"> </url> DES and AES in
Block Cipher Modes - <url href="http://csrc.nist.gov/groups/ST/toolkit/BCM/index.html"> ECB, CBC, CFB, OFB, CTR and GCM </url></p>
</item>
@@ -454,6 +457,24 @@
</func>
<func>
+ <name>cmac(Type, Key, Data) -> Mac</name>
+ <name>cmac(Type, Key, Data, MacLength) -> Mac</name>
+ <fsummary>Calculates the Cipher-based Message Authentication Code.</fsummary>
+ <type>
+ <v>Type = block_cipher()</v>
+ <v>Key = iodata()</v>
+ <v>Data = iodata()</v>
+ <v>MacLength = integer()</v>
+ <v>Mac = binary()</v>
+ </type>
+ <desc>
+ <p>Computes a CMAC of type <c>Type</c> from <c>Data</c> using
+ <c>Key</c> as the authentication key.</p> <p><c>MacLength</c>
+ will limit the size of the resultant <c>Mac</c>.</p>
+ </desc>
+ </func>
+
+ <func>
<name>info_lib() -> [{Name,VerNum,VerStr}]</name>
<fsummary>Provides information about the libraries used by crypto.</fsummary>
<type>