1// Copyright 2015 The Chromium OS Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// THIS CODE IS GENERATED - DO NOT MODIFY!
6
7#ifndef TPM2_HMAC_START_FP_H_
8#define TPM2_HMAC_START_FP_H_
9
10#include "tpm_generated.h"
11
12typedef struct {
13  TPMI_DH_OBJECT handle;
14  TPM2B_AUTH auth;
15  TPMI_ALG_HASH hashAlg;
16} HMAC_Start_In;
17
18typedef struct { TPMI_DH_OBJECT sequenceHandle; } HMAC_Start_Out;
19
20// Executes HMAC_Start with request handles and parameters from
21// |in| and computes response handles and parameters to |out|.
22TPM_RC TPM2_HMAC_Start(HMAC_Start_In* in, HMAC_Start_Out* out);
23
24// Initializes handle fields in |target| from |request_handles|. Unmarshals
25// parameter fields in |target| from |buffer|.
26TPM_RC HMAC_Start_In_Unmarshal(HMAC_Start_In* target,
27                               TPM_HANDLE request_handles[],
28                               BYTE** buffer,
29                               INT32* size);
30
31// Marshals response handles and parameters from |source| to |buffer|. Computes
32// and marshals the size of the parameter area (parameter_size) if |tag| ==
33// TPM_ST_SESSIONS. Returns size of (parameter area + handle area) in bytes.
34// Return value does not include parameter_size field.
35UINT16 HMAC_Start_Out_Marshal(HMAC_Start_Out* source,
36                              TPMI_ST_COMMAND_TAG tag,
37                              BYTE** buffer,
38                              INT32* size);
39
40// Unmarshals any request parameters starting at |request_parameter_buffer|.
41// Executes command. Marshals any response handles and parameters to the
42// global response buffer and computes |*response_handle_buffer_size| and
43// |*response_parameter_buffer_size|. If |tag| == TPM_ST_SESSIONS, marshals
44// parameter_size indicating the size of the parameter area. parameter_size
45// field is located between the handle area and parameter area.
46TPM_RC Exec_HMAC_Start(TPMI_ST_COMMAND_TAG tag,
47                       BYTE** request_parameter_buffer,
48                       INT32* request_parameter_buffer_size,
49                       TPM_HANDLE request_handles[],
50                       UINT32* response_handle_buffer_size,
51                       UINT32* response_parameter_buffer_size);
52
53#endif  // TPM2_HMAC_START_FP_H
54