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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_nv_storage.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_data.h" | 19 #include "tpm_data.h" |
21 #include "tpm_handles.h" | 20 #include "tpm_handles.h" |
22 | 21 |
23 /* | 22 /* |
24 * Non-volatile Storage ([TPM_Part3], Section 20) | 23 * Non-volatile Storage ([TPM_Part3], Section 20) |
25 * This section handles the allocation and use of the TPM non-volatile storage. | 24 * This section handles the allocation and use of the TPM non-volatile storage. |
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368 if (nv == NULL) return TPM_BADINDEX; | 367 if (nv == NULL) return TPM_BADINDEX; |
369 if (!(nv->pubInfo.permission.attributes & TPM_NV_PER_AUTHREAD)) | 368 if (!(nv->pubInfo.permission.attributes & TPM_NV_PER_AUTHREAD)) |
370 return TPM_AUTH_CONFLICT; | 369 return TPM_AUTH_CONFLICT; |
371 /* verify authorization */ | 370 /* verify authorization */ |
372 res = tpm_verify_auth(auth1, nv->authValue, nvIndex); | 371 res = tpm_verify_auth(auth1, nv->authValue, nvIndex); |
373 if (res != TPM_SUCCESS) return res; | 372 if (res != TPM_SUCCESS) return res; |
374 /* read data */ | 373 /* read data */ |
375 return nv_read(nv, offset, inDataSize, outDataSize, data, TRUE); | 374 return nv_read(nv, offset, inDataSize, outDataSize, data, TRUE); |
376 } | 375 } |
377 | 376 |
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