506   const coap_bin_const_t *psk_key;  in coap_dtls_psk_client_callback()  local
540     psk_key = &cpsk_info->key;  in coap_dtls_psk_client_callback()
543     psk_key = coap_get_session_client_psk_key(c_session);  in coap_dtls_psk_client_callback()
546   if (psk_identity == NULL || psk_key == NULL) {  in coap_dtls_psk_client_callback()
565   if (psk_key->length > max_psk_len) {  in coap_dtls_psk_client_callback()
570     max_psk_len = (unsigned int)psk_key->length;  in coap_dtls_psk_client_callback()
572   memcpy(psk, psk_key->s, max_psk_len);  in coap_dtls_psk_client_callback()
588   const coap_bin_const_t *psk_key;  in coap_dtls_psk_server_callback()  local
605     psk_key = setup_data->validate_id_call_back(&lidentity,  in coap_dtls_psk_server_callback()
609     coap_session_refresh_psk_key(c_session, psk_key);  in coap_dtls_psk_server_callback()
611     psk_key = coap_get_session_server_psk_key(c_session);  in coap_dtls_psk_server_callback()
614   if (psk_key == NULL)  in coap_dtls_psk_server_callback()
617   if (psk_key->length > max_psk_len) {  in coap_dtls_psk_server_callback()
622     max_psk_len = (unsigned int)psk_key->length;  in coap_dtls_psk_server_callback()
624   memcpy(psk, psk_key->s, max_psk_len);  in coap_dtls_psk_server_callback()
2035   if ((session->psk_key) ||  in tls_secret_call_back()
2083     if (session->psk_key) {  in tls_secret_call_back()
2084       memcpy(secret, session->psk_key->s, session->psk_key->length);  in tls_secret_call_back()
2085       *secretlen = session->psk_key->length;  in tls_secret_call_back()
2347   if ((session->psk_key) ||  in tls_client_hello_call_back()