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Create alternative tpm2_pcr_read() that uses IBM TSS

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Use the IBM TSS to implement the functions as an alternative to the
command line tools.

The algorithm_string_to_algid() function supports only the digest
algorithms in use.  The table has place holders for other algorithms
as they are needed and the C strings are defined.

The table can also be used for an algorithm ID to string function if
it's ever needed.

When using the IBM TSS, link in its library.

Signed-off-by: Ken Goldman <kgoldman@us.ibm.com>
[zohar@linux.ibm.com: updated configure.ac, replaced license with SPDX,
added comment before TSS_Delete and modified rc1 testing.]
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Ken Goldman
2021-08-03 16:40:08 -04:00
committed by Mimi Zohar
parent e52fc1d330
commit b1818c1113
3 changed files with 183 additions and 2 deletions
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15
src/Makefile.am
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@ -22,10 +22,21 @@ evmctl_CPPFLAGS = $(AM_CPPFLAGS) $(LIBCRYPTO_CFLAGS)
evmctl_LDFLAGS = $(LDFLAGS_READLINE)
evmctl_LDADD = $(LIBCRYPTO_LIBS) -lkeyutils libimaevm.la
# USE_PCRTSS uses the Intel TSS
if USE_PCRTSS
evmctl_SOURCES += pcr_tss.c
evmctl_SOURCES += pcr_tss.c
# USE_IBMTSS uses the IBM TSS
else
evmctl_SOURCES += pcr_tsspcrread.c
if USE_IBMTSS
evmctl_SOURCES += pcr_ibmtss.c
evmctl_LDADD += -libmtss
# uses the IBM TSS command line utilities
else
evmctl_SOURCES += pcr_tsspcrread.c
endif
endif
AM_CPPFLAGS = -I$(top_srcdir) -include config.h