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author | Romain Francoise <rfrancoise@debian.org> | 2014-10-21 19:28:38 +0200 |
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committer | Romain Francoise <rfrancoise@debian.org> | 2014-10-21 19:41:50 +0200 |
commit | b23b0e5609ed4b3d29396a1727aab035fa4a395f (patch) | |
tree | 091d0b144dd92a0c124b7fbe9eae68f79cb975dc /src/libimcv/pts/pts_pcr.h | |
parent | 4a01a7e2574040cf246fd00ebff173b873c17349 (diff) | |
download | vyos-strongswan-b23b0e5609ed4b3d29396a1727aab035fa4a395f.tar.gz vyos-strongswan-b23b0e5609ed4b3d29396a1727aab035fa4a395f.zip |
Import upstream release 5.2.1
Diffstat (limited to 'src/libimcv/pts/pts_pcr.h')
-rw-r--r-- | src/libimcv/pts/pts_pcr.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/libimcv/pts/pts_pcr.h b/src/libimcv/pts/pts_pcr.h new file mode 100644 index 000000000..f638b5ee4 --- /dev/null +++ b/src/libimcv/pts/pts_pcr.h @@ -0,0 +1,118 @@ +/* + * Copyright (C) 2012 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * 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; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +/** + * @defgroup pts_pcr pts_pcr + * @{ @ingroup pts + */ + +#ifndef PTS_PCR_H_ +#define PTS_PCR_H_ + +typedef struct pts_pcr_t pts_pcr_t; + +#include <library.h> + +/** + * Maximum number of PCR's of TPM, TPM Spec 1.2 + */ +#define PTS_PCR_MAX_NUM 24 + +/** + * Number of bytes that can be saved in a PCR of TPM, TPM Spec 1.2 + */ +#define PTS_PCR_LEN 20 + +/** + * Class implementing a shadow PCR register set + */ +struct pts_pcr_t { + + /** + * Get the number of selected PCRs + * + * @return number of selected PCRs + */ + u_int32_t (*get_count)(pts_pcr_t *this); + + /** + * Mark a PCR as selected + * + * @param pcr index of PCR + * @return TRUE if PCR index exists + */ + bool (*select_pcr)(pts_pcr_t *this, u_int32_t pcr); + + /** + * Get the size of the selection field in bytes + * + * @return number of bytes written + */ + size_t (*get_selection_size)(pts_pcr_t *this); + + /** + * Create an enumerator over all selected PCR indexes + * + * @return enumerator + */ + enumerator_t* (*create_enumerator)(pts_pcr_t *this); + + /** + * Get the current content of a PCR + * + * @param pcr index of PCR + * @return content of PCR + */ + chunk_t (*get)(pts_pcr_t *this, u_int32_t pcr); + + /** + * Set the content of a PCR + * + * @param pcr index of PCR + * @param value new value of PCR + * @return TRUE if value could be set + */ + bool (*set)(pts_pcr_t *this, u_int32_t pcr, chunk_t value); + + /** + * Extend the content of a PCR + * + * @param pcr index of PCR + * @param measurement measurment value to be extended into PCR + * @return new content of PCR + */ + chunk_t (*extend)(pts_pcr_t *this, u_int32_t pcr, chunk_t measurement); + + /** + * Create a PCR Composite object over all selected PCRs + * + * @return PCR Composite object (must be freed) + */ + chunk_t (*get_composite)(pts_pcr_t *this); + + /** + + * Destroys a pts_pcr_t object. + */ + void (*destroy)(pts_pcr_t *this); + +}; + +/** + * Creates an pts_pcr_t object + */ +pts_pcr_t* pts_pcr_create(void); + +#endif /** PTS_PCR_H_ @}*/ |