pointing at the allocated space.</p>

<p>EVP_MAC_finalXOF() does the final computation for an XOF based MAC and stores the result in the memory pointed at by <i>out</i> of size <i>outsize</i>.</p>

<p>EVP_MAC_get_params() retrieves details about the implementation <i>mac</i>. The set of parameters given with <i>params</i> determine exactly what parameters should be retrieved. Note that a parameter that is unknown in the underlying context is simply ignored.</p>

<p>EVP_MAC_CTX_get_params() retrieves chosen 