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 
12 typedef struct {
13   TPMI_DH_OBJECT handle;
14   TPM2B_AUTH auth;
15   TPMI_ALG_HASH hashAlg;
16 } HMAC_Start_In;
17 
18 typedef 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|.
22 TPM_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|.
26 TPM_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.
35 UINT16 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.
46 TPM_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