r a non zero integer (actually the recovered secret key size) if successful.</p>

<p>EVP_OpenUpdate() returns 1 for success or 0 for failure.</p>

<p>EVP_OpenFinal() returns 0 if the decrypt failed or 1 for success.</p>

<h1 id="SEE-ALSO">SEE ALSO</h1>

<p><a href="../man7/evp.html">evp(7)</a>, <a href="../man3/RAND_bytes.html">RAND_bytes(3)</a>, <a href="../man3/EVP_EncryptInit.html">EVP_EncryptInit(3)</a>, <a href="../man3/EVP_SealInit.html">EVP_SealInit(3)</a></p>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

<p>C