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<title>aes(3) - Plan 9 from User Space</title>
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<tr><td width=20><td><b>AES(3)</b><td align=right><b>AES(3)</b>
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<p><font size=+1><b>NAME </b></font><br>
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setupAESstate, aesCBCencrypt, aesCBCdecrypt - advanced encryption
standard (rijndael)<br>
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<p><font size=+1><b>SYNOPSIS </b></font><br>
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<tt><font size=+1>#include &lt;u.h&gt;<br>
#include &lt;libc.h&gt;<br>
#include &lt;mp.h&gt;<br>
#include &lt;libsec.h&gt;
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</font></tt>
<tt><font size=+1>void setupAESstate(AESstate *s, uchar key[], int keybytes, uchar
*ivec)
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</font></tt>
<tt><font size=+1>void aesCBCencrypt(uchar*, int, AESstate*)
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<tt><font size=+1>void aesCBCdecrypt(uchar*, int, AESstate*)
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<p><font size=+1><b>DESCRIPTION </b></font><br>
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DES is being replaced by Rijndael, also known as AES, as the preferred
block ciper. <i>setupAESstate</i>, <i>aesCBCencrypt</i>, and <i>aesCBCdecrypt</i> implement
cipher block chaining encryption. <i>Keybytes</i> should be 16, 24, or
32. The initialization vector <i>ivec</i> of <i>AESbsize</i> bytes should random
enough to be unlikely to be reused but
does not need to be cryptographically strongly unpredictable.<br>
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<p><font size=+1><b>SOURCE </b></font><br>
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<tt><font size=+1>/usr/local/plan9/src/libsec<br>
</font></tt>
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<p><font size=+1><b>SEE ALSO </b></font><br>
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<a href="../man3/mp.html"><i>mp</i>(3)</a>, <a href="../man3/blowfish.html"><i>blowfish</i>(3)</a>, <a href="../man3/des.html"><i>des</i>(3)</a>, <a href="../man3/dsa.html"><i>dsa</i>(3)</a>, <a href="../man3/elgamal.html"><i>elgamal</i>(3)</a>, <a href="../man3/rc4.html"><i>rc4</i>(3)</a>, <a href="../man3/rsa.html"><i>rsa</i>(3)</a>,
<a href="../man3/sechash.html"><i>sechash</i>(3)</a>, <a href="../man3/prime.html"><i>prime</i>(3)</a>, <a href="../man3/rand.html"><i>rand</i>(3)</a><br>
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