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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><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><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 id="API-struct-ieee80211-key-conf"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct ieee80211_key_conf &#8212; 
  key information
 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting">
struct ieee80211_key_conf {
  u32 cipher;
  u8 icv_len;
  u8 iv_len;
  u8 hw_key_idx;
  u8 flags;
  s8 keyidx;
  u8 keylen;
  u8 key[0];
};  </pre></div><div class="refsect1"><a id="idm139754517102512"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">cipher</span></dt><dd><p>
The key's cipher suite selector.
      </p></dd><dt><span class="term">icv_len</span></dt><dd><p>
The ICV length for this key type
      </p></dd><dt><span class="term">iv_len</span></dt><dd><p>
The IV length for this key type
      </p></dd><dt><span class="term">hw_key_idx</span></dt><dd><p>
To be set by the driver, this is the key index the driver
wants to be given when a frame is transmitted and needs to be
encrypted in hardware.
      </p></dd><dt><span class="term">flags</span></dt><dd><p>
key flags, see <span class="structname">enum</span> ieee80211_key_flags.
      </p></dd><dt><span class="term">keyidx</span></dt><dd><p>
the key index (0-3)
      </p></dd><dt><span class="term">keylen</span></dt><dd><p>
key material length
      </p></dd><dt><span class="term">key[0]</span></dt><dd><p>
key material. For ALG_TKIP the key is encoded as a 256-bit (32 byte)
      </p></dd></dl></div></div><div class="refsect1"><a id="idm139754517089808"></a><h2>Description</h2><p>
   </p><p>

   This key information is given by mac80211 to the driver by
   the <code class="function">set_key</code> callback in <span class="structname">struct ieee80211_ops</span>.
</p></div><div class="refsect1"><a id="idm139754517087152"></a><h2>data block</h2><p>
   - Temporal Encryption Key (128 bits)
   - Temporal Authenticator Tx MIC Key (64 bits)
   - Temporal Authenticator Rx MIC Key (64 bits)
</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>