1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>struct ieee80211_key_conf</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The 802.11 subsystems &#8211; for kernel developers"><link rel="up" href="hardware-crypto-offload.html" title="Chapter&#160;8.&#160;Hardware crypto acceleration"><link rel="prev" href="API-enum-set-key-cmd.html" title="enum set_key_cmd"><link rel="next" href="API-enum-ieee80211-key-flags.html" title="enum ieee80211_key_flags"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">struct ieee80211_key_conf</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-enum-set-key-cmd.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;8.&#160;Hardware crypto acceleration</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-enum-ieee80211-key-flags.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-struct-ieee80211-key-conf"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct ieee80211_key_conf &#8212; 
2  key information
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting">
4struct ieee80211_key_conf {
5  u32 cipher;
6  u8 icv_len;
7  u8 iv_len;
8  u8 hw_key_idx;
9  u8 flags;
10  s8 keyidx;
11  u8 keylen;
12  u8 key[0];
13};  </pre></div><div class="refsect1"><a name="idp1114021020"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">cipher</span></dt><dd><p>
14The key's cipher suite selector.
15      </p></dd><dt><span class="term">icv_len</span></dt><dd><p>
16The ICV length for this key type
17      </p></dd><dt><span class="term">iv_len</span></dt><dd><p>
18The IV length for this key type
19      </p></dd><dt><span class="term">hw_key_idx</span></dt><dd><p>
20To be set by the driver, this is the key index the driver
21wants to be given when a frame is transmitted and needs to be
22encrypted in hardware.
23      </p></dd><dt><span class="term">flags</span></dt><dd><p>
24key flags, see <span class="structname">enum</span> ieee80211_key_flags.
25      </p></dd><dt><span class="term">keyidx</span></dt><dd><p>
26the key index (0-3)
27      </p></dd><dt><span class="term">keylen</span></dt><dd><p>
28key material length
29      </p></dd><dt><span class="term">key[0]</span></dt><dd><p>
30key material. For ALG_TKIP the key is encoded as a 256-bit (32 byte)
31      </p></dd></dl></div></div><div class="refsect1"><a name="idp1114027548"></a><h2>Description</h2><p>
32   </p><p>
33
34   This key information is given by mac80211 to the driver by
35   the <code class="function">set_key</code> callback in <span class="structname">struct ieee80211_ops</span>.
36</p></div><div class="refsect1"><a name="idp1114028940"></a><h2>data block</h2><p>
37   - Temporal Encryption Key (128 bits)
38   - Temporal Authenticator Tx MIC Key (64 bits)
39   - Temporal Authenticator Rx MIC Key (64 bits)
40</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-enum-set-key-cmd.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="hardware-crypto-offload.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-enum-ieee80211-key-flags.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">enum set_key_cmd</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">enum ieee80211_key_flags</span></td></tr></table></div></body></html>
41