 the SAS object, and the other user's public key (which will be overwritten).</p><p>Returns `olm_error()` on failure. If the `their_key` buffer is too small, then `olm_sas_last_error()` will be `INPUT_BUFFER_TOO_SMALL`.</p></dd></dl><dl><dt class="spec value" id="val-sas_is_their_key_set"><a href="#val-sas_is_their_key_set" class="anchor"></a><code><span class="keyword">val</span> sas_is_their_key_set : <span><a href="../Types/SAS/index.html#type-t">Types.SAS.t</a> Ctypes_static.ptr</span> <span>&#45;&gt;</