219     size_t key_len;  in hwkey_get_derived_key()  local
221             data->retriever(data, key_buffer, sizeof(key_buffer), &key_len);  in hwkey_get_derived_key()
227     switch (key_len) {  in hwkey_get_derived_key()
235         TLOGE("invalid key length: (%zd)\n", key_len);  in hwkey_get_derived_key()
342                                              size_t key_len) {  in hwkey_handle_derive_key_impl()  argument
348     if (!context || !key || key_len == 0) {  in hwkey_handle_derive_key_impl()
354         return derive_key_v1(uuid, context, context_len, key, key_len);  in hwkey_handle_derive_key_impl()
370     size_t key_len = ikm_len;  in hwkey_handle_derive_key_cmd()  local
371     if (key_len > HWKEY_MAX_MSG_SIZE - sizeof(*hdr)) {  in hwkey_handle_derive_key_cmd()
372         TLOGE("Key length exceeds message size: %zu\n", key_len);  in hwkey_handle_derive_key_cmd()
373         key_len = 0;  in hwkey_handle_derive_key_cmd()
379             &hdr->arg1, &ctx->uuid, ikm_data, ikm_len, key_data, key_len);  in hwkey_handle_derive_key_cmd()
382     rc = hwkey_send_rsp(ctx, hdr, key_data, key_len);  in hwkey_handle_derive_key_cmd()
383     if (key_len) {  in hwkey_handle_derive_key_cmd()
422     size_t key_len;  in hwkey_handle_derive_versioned_key_cmd()  local
424     key_len = msg->key_len;  in hwkey_handle_derive_versioned_key_cmd()
425     if (key_len > HWKEY_MAX_MSG_SIZE - sizeof(*msg)) {  in hwkey_handle_derive_versioned_key_cmd()
426         TLOGE("Key length (%zu) exceeds buffer length\n", key_len);  in hwkey_handle_derive_versioned_key_cmd()
462                                               key_len);  in hwkey_handle_derive_versioned_key_cmd()
463         if (key_len == 0) {  in hwkey_handle_derive_versioned_key_cmd()
484                                          context_len, key_data, key_len);  in hwkey_handle_derive_versioned_key_cmd()
494         msg->key_len = 0;  in hwkey_handle_derive_versioned_key_cmd()
499     rc = tipc_send2(ctx->chan, msg, sizeof(*msg), key_data, msg->key_len);  in hwkey_handle_derive_versioned_key_cmd()
500     if (msg->key_len) {  in hwkey_handle_derive_versioned_key_cmd()