ts the object using the supplied key. Returns the length of the pickled object on success. Returns olm_error() on failure. If the pickle output buffer is smaller than olm_pickle_pk_decryption_length() then olm_pk_decryption_last_error() will be &quot;OUTPUT_BUFFER_TOO_SMALL&quot;</p></dd></dl><dl><dt class="spec value" id="val-unpickle_pk_decryption"><a href="#val-unpickle_pk_decryption" class="anchor"></a><code><span class="keyword">val</span> unpickle_pk_decryption : <span><a href="../Types/PkDecryption/i