alue, see <a href="../man7/openssl_user_macros.html">openssl_user_macros(7)</a>:</p>

<pre><code> void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data);

 void RC4(RC4_KEY *key, unsigned long len, const unsigned char *indata,
          unsigned char *outdata);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>All of the functions described on this page are deprecated. Applications should instead use <a href="../man3/EVP_EncryptInit_ex.html">EVP_EncryptInit_ex(3)</a>, <a href="../man3/EVP_