1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/** @file
* IPRT Trusted Platform Module API abstracting host specific APIs.
*/
/*
* Copyright (C) 2021-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef IPRT_INCLUDED_tpm_h
#define IPRT_INCLUDED_tpm_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/types.h>
#include <iprt/formats/tpm.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_rt_tpm IPRT Trusted Platform Module API
* @ingroup grp_rt
*
* This API provides a uniform way to access a Trusted Platform Module across all
* supported hosts.
*
* @{
*/
/**
* TPM version.
*/
typedef enum RTTPMVERSION
{
/** The usual invalid option. */
RTTPMVERSION_INVALID = 0,
/** TPM conforms to version 1.2 of the TCG specification. */
RTTPMVERSION_1_2,
/** TPM conforms to version 2.0 of the TCG specification. */
RTTPMVERSION_2_0,
/** TPM version couldn't be acquired. */
RTTPMVERSION_UNKNOWN,
/** Usual 32bit hack. */
RTTPMVERSION_32BIT_HACK = 0x7fffffff
} RTTPMVERSION;
/** Pointer to a TPM version. */
typedef RTTPMVERSION *PRTTPMVERSION;
/** TPM handle. */
typedef struct RTTPMINT *RTTPM;
/** Pointer to a TPM handle. */
typedef RTTPM *PRTTPM;
/** NIL TPM handle value. */
#define NIL_RTTPM ((RTTPM)0)
/** Default TPM of the host. */
#define RTTPM_ID_DEFAULT UINT32_C(0xffffffff)
/**
* Tries to open the given TPM returning a handle.
*
* @returns IPRT status code.
* @param phTpm Where to store the handle to the TPM module on success.
* @param idTpm The TPM to open, use RTTPM_ID_DEFAULT for the default TPM of the system.
*/
RTDECL(int) RTTpmOpen(PRTTPM phTpm, uint32_t idTpm);
/**
* Closes the given TPM handle freeing all allocated resources.
*
* @returns IPRT status code.
* @param hTpm Handle of the TPM to close.
*/
RTDECL(int) RTTpmClose(RTTPM hTpm);
/**
* Returns the version of the TPM for the given handle.
*
* @returns Version implemented by the TPM.
* @param hTpm Handle of the TPM.
*/
RTDECL(RTTPMVERSION) RTTpmGetVersion(RTTPM hTpm);
/**
* Returns the maximum locality supported by the given TPM.
*
* @returns Maximum locality supported (0-4).
* @param hTpm Handle of the TPM.
*/
RTDECL(uint32_t) RTTpmGetLocalityMax(RTTPM hTpm);
/**
* Cancels a currently executed request for the given TPM handle.
*
* @returns IPRT status code.
* @param hTpm Handle of the TPM.
*/
RTDECL(int) RTTpmReqCancel(RTTPM hTpm);
/**
* Executes the given request on the given TPM handle.
*
* @returns IPRT status code.
* @param hTpm Handle of the TPM.
* @param bLoc The locality to use (only 0 might be supported on some hosts).
* @param pvReq The request data.
* @param cbReq Size of the request in bytes.
* @param pvResp Where to store the response data.
* @param cbRespMax Size of the response buffer.
* @param pcbResp Where to store the actual size of the response, optional.
*/
RTDECL(int) RTTpmReqExec(RTTPM hTpm, uint8_t bLoc, const void *pvReq, size_t cbReq,
void *pvResp, size_t cbRespMax, size_t *pcbResp);
/** @} */
RT_C_DECLS_END
#endif /* !IPRT_INCLUDED_tpm_h */
|
