mirror of
https://git.code.sf.net/p/linux-ima/ima-evm-utils
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03f99ea6d0
This patch makes it possible to use the Intel TSS2 for getting PCR values from the SHA1/SHA256 banks on a TPM2. It is somewhat naive as it doesn't use the multi-PCR selection that TSS2 is capable of, that is for a future patch. Signed-off-by: Patrick Uiterwijk <patrick@puiterwijk.org> [zohar@linux.ibm.com: added missing "stdint.h" in pcr_tsspcrread.c] Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/*
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* ima-evm-utils - IMA/EVM support utilities
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*
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* Copyright (C) 2011 Nokia Corporation
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* Copyright (C) 2011,2012,2013 Intel Corporation
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* Copyright (C) 2013,2014 Samsung Electronics
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*
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* Authors:
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* Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
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* <dmitry.kasatkin@intel.com>
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* <d.kasatkin@samsung.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, the copyright holders give permission to link the
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* code of portions of this program with the OpenSSL library under certain
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* conditions as described in each individual source file and distribute
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* linked combinations including the program with the OpenSSL library. You
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* must comply with the GNU General Public License in all respects
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* for all of the code used other than as permitted herein. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you do not
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* wish to do so, delete this exception statement from your version. If you
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* delete this exception statement from all source files in the program,
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* then also delete it in the license file.
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*
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* File: pcr_none.c
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* PCR reading implementation that always fails
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*/
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#include <stdint.h>
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int tpm2_pcr_supported(void)
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{
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return 0;
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}
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int tpm2_pcr_read(const char *algo_name, int idx, uint8_t *hwpcr,
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int len, char **errmsg)
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{
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return -1;
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}
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