1 /* Microsoft Reference Implementation for TPM 2.0
2 *
3 * The copyright in this software is being made available under the BSD License,
4 * included below. This software may be subject to other third party and
5 * contributor rights, including patent rights, and no such rights are granted
6 * under this license.
7 *
8 * Copyright (c) Microsoft Corporation
9 *
10 * All rights reserved.
11 *
12 * BSD License
13 *
14 * Redistribution and use in source and binary forms, with or without modification,
15 * are permitted provided that the following conditions are met:
16 *
17 * Redistributions of source code must retain the above copyright notice, this list
18 * of conditions and the following disclaimer.
19 *
20 * Redistributions in binary form must reproduce the above copyright notice, this
21 * list of conditions and the following disclaimer in the documentation and/or
22 * other materials provided with the distribution.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
28 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
31 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35 #include "Tpm.h"
36 #include "PCR_SetAuthValue_fp.h"
37
38 #if CC_PCR_SetAuthValue // Conditional expansion of this file
39
40 /*(See part 3 specification)
41 // Set authValue to a group of PCR
42 */
43 // Return Type: TPM_RC
44 // TPM_RC_VALUE PCR referenced by 'pcrHandle' is not a member
45 // of a PCR authorization group
46 TPM_RC
TPM2_PCR_SetAuthValue(PCR_SetAuthValue_In * in)47 TPM2_PCR_SetAuthValue(
48 PCR_SetAuthValue_In *in // IN: input parameter list
49 )
50 {
51 UINT32 groupIndex;
52 // Input Validation:
53
54 // If PCR does not belong to an auth group, return TPM_RC_VALUE
55 if(!PCRBelongsAuthGroup(in->pcrHandle, &groupIndex))
56 return TPM_RC_VALUE;
57
58 // The command may cause the orderlyState to be cleared due to the update of
59 // state clear data. If this is the case, Check if NV is available.
60 // A TPM_RC_NV_UNAVAILABLE or TPM_RC_NV_RATE error may be returned at
61 // this point
62 RETURN_IF_ORDERLY;
63
64 // Internal Data Update
65
66 // Set PCR authValue
67 MemoryRemoveTrailingZeros(&in->auth);
68 gc.pcrAuthValues.auth[groupIndex] = in->auth;
69
70 return TPM_RC_SUCCESS;
71 }
72
73 #endif // CC_PCR_SetAuthValue