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1 /* Software-Based Trusted Platform Module (TPM) Emulator for Linux | 1 /* Software-based Trusted Platform Module (TPM) Emulator |
2 * Copyright (C) 2004 Mario Strasser <mast@gmx.net>, | 2 * Copyright (C) 2004-2010 Mario Strasser <mast@gmx.net> |
3 * Swiss Federal Institute of Technology (ETH) Zurich | |
4 * | 3 * |
5 * This module is free software; you can redistribute it and/or modify | 4 * This module is free software; you can redistribute it and/or modify |
6 * it under the terms of the GNU General Public License as published | 5 * it under the terms of the GNU General Public License as published |
7 * by the Free Software Foundation; either version 2 of the License, | 6 * by the Free Software Foundation; either version 2 of the License, |
8 * or (at your option) any later version. | 7 * or (at your option) any later version. |
9 * | 8 * |
10 * This module is distributed in the hope that it will be useful, | 9 * This module is distributed in the hope that it will be useful, |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 * GNU General Public License for more details. | 12 * GNU General Public License for more details. |
14 * | 13 * |
15 * $Id$ | 14 * $Id: tpm_counter.c 364 2010-02-11 10:24:45Z mast $ |
16 */ | 15 */ |
17 | 16 |
18 #include "tpm_emulator.h" | 17 #include "tpm_emulator.h" |
19 #include "tpm_commands.h" | 18 #include "tpm_commands.h" |
20 #include "tpm_handles.h" | 19 #include "tpm_handles.h" |
21 #include "tpm_data.h" | 20 #include "tpm_data.h" |
22 | 21 |
23 /* | 22 /* |
24 * Monotonic Counter ([TPM_Part3], Section 25) | 23 * Monotonic Counter ([TPM_Part3], Section 25) |
25 */ | 24 */ |
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138 /* verify authorization */ | 137 /* verify authorization */ |
139 res = tpm_verify_auth(auth1, tpmData.permanent.data.ownerAuth, TPM_KH_OWNER); | 138 res = tpm_verify_auth(auth1, tpmData.permanent.data.ownerAuth, TPM_KH_OWNER); |
140 if (res != TPM_SUCCESS) return res; | 139 if (res != TPM_SUCCESS) return res; |
141 /* release counter */ | 140 /* release counter */ |
142 if (tpmData.stclear.data.countID == countID) | 141 if (tpmData.stclear.data.countID == countID) |
143 tpmData.stclear.data.countID = TPM_INVALID_HANDLE; | 142 tpmData.stclear.data.countID = TPM_INVALID_HANDLE; |
144 memset(counter, 0, sizeof(TPM_COUNTER_VALUE)); | 143 memset(counter, 0, sizeof(TPM_COUNTER_VALUE)); |
145 return TPM_SUCCESS; | 144 return TPM_SUCCESS; |
146 } | 145 } |
147 | 146 |
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