209  * Get TPM response return code, which is one of TPM_RESULT values.
211  * @param response	byte string of TPM response
212  * @return return code of the TPM response
214 static uint32_t tpm_return_code(const void *response)  in tpm_return_code()  argument
217 	return get_unaligned_be32(response + return_code_offset);  in tpm_return_code()
221  * Send a TPM command and return response's return code, and optionally
222  * return response to caller.
225  * @param response	output buffer for TPM response, or NULL if the
228  *			response length (output parameter); this parameter
230  * @return return code of the TPM response
233 		void *response, size_t *size_ptr)  in tpm_sendrecv_command()  argument
240 	if (response) {  in tpm_sendrecv_command()
243 		response = response_buffer;  in tpm_sendrecv_command()
251 		       response, &response_length);  in tpm_sendrecv_command()
258 	return tpm_return_code(response);  in tpm_sendrecv_command()
356 	uint8_t buf[COMMAND_BUFFER_SIZE], response[COMMAND_BUFFER_SIZE];  in tpm_nv_read_value()  local
357 	size_t response_length = sizeof(response);  in tpm_nv_read_value()
366 	err = tpm_sendrecv_command(buf, response, &response_length);  in tpm_nv_read_value()
369 	if (unpack_byte_string(response, response_length, "d",  in tpm_nv_read_value()
374 	if (unpack_byte_string(response, response_length, "s",  in tpm_nv_read_value()
393 	uint8_t buf[COMMAND_BUFFER_SIZE], response[COMMAND_BUFFER_SIZE];  in tpm_nv_write_value()  local
394 	size_t response_length = sizeof(response);  in tpm_nv_write_value()
404 	err = tpm_sendrecv_command(buf, response, &response_length);  in tpm_nv_write_value()
420 	uint8_t response[TPM_RESPONSE_HEADER_LENGTH + PCR_DIGEST_LENGTH];  in tpm_extend()  local
421 	size_t response_length = sizeof(response);  in tpm_extend()
430 	err = tpm_sendrecv_command(buf, response, &response_length);  in tpm_extend()
434 	if (unpack_byte_string(response, response_length, "s",  in tpm_extend()
449 	uint8_t buf[COMMAND_BUFFER_SIZE], response[COMMAND_BUFFER_SIZE];  in tpm_pcr_read()  local
450 	size_t response_length = sizeof(response);  in tpm_pcr_read()
460 	err = tpm_sendrecv_command(buf, response, &response_length);  in tpm_pcr_read()
463 	if (unpack_byte_string(response, response_length, "s",  in tpm_pcr_read()
494 	uint8_t response[COMMAND_BUFFER_SIZE + TPM_PUBEK_SIZE];  in tpm_read_pubek()  local
495 	size_t response_length = sizeof(response);  in tpm_read_pubek()
499 	err = tpm_sendrecv_command(command, response, &response_length);  in tpm_read_pubek()
502 	if (unpack_byte_string(response, response_length, "d",  in tpm_read_pubek()
510 	if (unpack_byte_string(response, response_length, "s",  in tpm_read_pubek()
575 	uint8_t buf[COMMAND_BUFFER_SIZE], response[COMMAND_BUFFER_SIZE];  in tpm_get_capability()  local
576 	size_t response_length = sizeof(response);  in tpm_get_capability()
585 	err = tpm_sendrecv_command(buf, response, &response_length);  in tpm_get_capability()
588 	if (unpack_byte_string(response, response_length, "d",  in tpm_get_capability()
593 	if (unpack_byte_string(response, response_length, "s",  in tpm_get_capability()
612 	uint8_t response[COMMAND_BUFFER_SIZE];  in tpm_get_permanent_flags()  local
613 	size_t response_length = sizeof(response);  in tpm_get_permanent_flags()
617 	err = tpm_sendrecv_command(command, response, &response_length);  in tpm_get_permanent_flags()
620 	if (unpack_byte_string(response, response_length, "d",  in tpm_get_permanent_flags()
625 	if (unpack_byte_string(response, response_length, "s",  in tpm_get_permanent_flags()
643 	uint8_t buf[COMMAND_BUFFER_SIZE], response[COMMAND_BUFFER_SIZE];  in tpm_get_permissions()  local
644 	size_t response_length = sizeof(response);  in tpm_get_permissions()
650 	err = tpm_sendrecv_command(buf, response, &response_length);  in tpm_get_permissions()
653 	if (unpack_byte_string(response, response_length, "d",  in tpm_get_permissions()
672 	uint8_t buf[COMMAND_BUFFER_SIZE], response[COMMAND_BUFFER_SIZE];  in tpm_flush_specific()  local
673 	size_t response_length = sizeof(response);  in tpm_flush_specific()
682 	err = tpm_sendrecv_command(buf, response, &response_length);  in tpm_flush_specific()
753  * Verify an authentication block in a response.
755  * called when receiving a succesfull AUTH response.
760  * @param response	pointer to the request (w/ uninitialised auth data)
761  * @param handles_len	length of the handles area in response
763  * @param response_auth	pointer to the auth block of the response to be verified
767 	const void *response, size_t response_len0,  in verify_response_auth()  argument
789 	sha1_update(&hash_ctx, response + return_code_offset, 4);  in verify_response_auth()
793 			    response + TPM_RESPONSE_HEADER_LENGTH + handles_len,  in verify_response_auth()
861 	uint8_t response[COMMAND_BUFFER_SIZE];  in tpm_oiap()  local
862 	size_t response_length = sizeof(response);  in tpm_oiap()
868 	err = tpm_sendrecv_command(command, response, &response_length);  in tpm_oiap()
871 	if (unpack_byte_string(response, response_length, "ds",  in tpm_oiap()
899 	uint8_t response[COMMAND_BUFFER_SIZE];  in tpm_load_key2_oiap()  local
900 	size_t response_length = sizeof(response);  in tpm_load_key2_oiap()
924 	err = tpm_sendrecv_command(request, response, &response_length);  in tpm_load_key2_oiap()
931 	err = verify_response_auth(0x00000041, response,  in tpm_load_key2_oiap()
934 			response + response_length - TPM_RESPONSE_AUTH_LENGTH,  in tpm_load_key2_oiap()
940 		if (unpack_byte_string(response, response_length, "d",  in tpm_load_key2_oiap()
961 	uint8_t response[TPM_RESPONSE_HEADER_LENGTH + TPM_PUBKEY_MAX_LENGTH  in tpm_get_pub_key_oiap()  local
963 	size_t response_length = sizeof(response);  in tpm_get_pub_key_oiap()
983 	err = tpm_sendrecv_command(request, response, &response_length);  in tpm_get_pub_key_oiap()
989 	err = verify_response_auth(0x00000021, response,  in tpm_get_pub_key_oiap()
992 			response + response_length - TPM_RESPONSE_AUTH_LENGTH,  in tpm_get_pub_key_oiap()
1003 		memcpy(pubkey, response + res_pubkey_offset,  in tpm_get_pub_key_oiap()