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Diffstat (limited to 'src/tpm_tpm2_tis.c')
| -rw-r--r-- | src/tpm_tpm2_tis.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/tpm_tpm2_tis.c b/src/tpm_tpm2_tis.c new file mode 100644 index 0000000..08623eb --- /dev/null +++ b/src/tpm_tpm2_tis.c @@ -0,0 +1,108 @@ +/********************************************************************************/ +/* */ +/* TPM TIS I/O */ +/* Written by Stefan Berger */ +/* IBM Thomas J. Watson Research Center */ +/* */ +/* (c) Copyright IBM Corporation 2015. */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following conditions are */ +/* met: */ +/* */ +/* Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the following disclaimer. */ +/* */ +/* Redistributions in binary form must reproduce the above copyright */ +/* notice, this list of conditions and the following disclaimer in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* Neither the names of the IBM Corporation nor the names of its */ +/* contributors may be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */ +/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */ +/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */ +/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */ +/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */ +/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */ +/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */ +/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ +/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */ +/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/********************************************************************************/ + +#include <config.h> + +#include <stdint.h> + +#include "tpm2/Tpm.h" +#include "tpm2/TpmTypes.h" +#include "tpm2/TpmBuildSwitches.h" +#include "tpm2/_TPM_Hash_Start_fp.h" +#include "tpm2/_TPM_Hash_Data_fp.h" +#include "tpm2/_TPM_Hash_End_fp.h" +#include "tpm2/TpmTcpProtocol.h" +#include "tpm2/Platform_fp.h" +#include "tpm2/Simulator_fp.h" + +#define TPM_HAVE_TPM2_DECLARATIONS +#include "tpm_library_intern.h" +#include "tpm_error.h" + +TPM_RESULT TPM2_IO_TpmEstablished_Get(TPM_BOOL *tpmEstablished) +{ + *tpmEstablished = _rpc__Signal_GetTPMEstablished(); + + return TPM_SUCCESS; +} + +TPM_RESULT TPM2_IO_TpmEstablished_Reset(void) +{ + TPM_RESULT ret = TPM_SUCCESS; + struct libtpms_callbacks *cbs = TPMLIB_GetCallbacks(); + TPM_MODIFIER_INDICATOR locality = 0; + uint32_t tpm_number = 0; + + if (cbs->tpm_io_getlocality) { + cbs->tpm_io_getlocality(&locality, tpm_number); + } + + _plat__LocalitySet(locality); + + if (locality == 3 || locality == 4) { + _rpc__Signal_ResetTPMEstablished(); + } else { + ret = TPM_BAD_LOCALITY; + } + + return ret; +} + +TPM_RESULT TPM2_IO_Hash_Start(void) +{ + _TPM_Hash_Start(); + + _rpc__Signal_SetTPMEstablished(); + + return TPM_SUCCESS; +} + +TPM_RESULT TPM2_IO_Hash_Data(const unsigned char *data, + uint32_t data_length) +{ + _TPM_Hash_Data(data_length, (unsigned char *)data); + + return TPM_SUCCESS; +} + +TPM_RESULT TPM2_IO_Hash_End(void) +{ + _TPM_Hash_End(); + + return TPM_SUCCESS; +} |