e <a href="../man3/OSSL_PARAM.html">OSSL_PARAM(3)</a> for further details on the parameters structure used by these functions.</p>

<p>OSSL_FUNC_mac_get_params() gets details of parameter values associated with the provider algorithm and stores them in <i>params</i>.</p>

<p>OSSL_FUNC_mac_set_ctx_params() sets mac parameters associated with the given provider side mac context <i>mctx</i> to <i>params</i>. Any parameter settings are additional to any that were previously set. Passing NULL for <i>params</i> s