y</i> integer value <i>*out</i> associated with a name of <i>key_name</i> if it fits into <code>int</code> type. For parameters that do not fit into <code>int</code> use EVP_PKEY_get_bn_param().</p>

<p>EVP_PKEY_get_size_t_param() retrieves a key <i>pkey</i> size_t value <i>*out</i> associated with a name of <i>key_name</i> if it fits into <code>size_t</code> type. For parameters that do not fit into <code>size_t</code> use EVP_PKEY_get_bn_param().</p>

<p>EVP_PKEY_get_bn_param() retrieves a key <i>pkey</i>