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package/tpm2-tss: add Mbed-TLS crypto backend support

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Add mbedtls crypto backend support for lightweight build

BR2_PACKAGE_TPM2_TSS_FAPI depends on openssl explicitly

Rewrite fapi -> FAPI

Signed-off-by: Andreas Mohr <and@gmx.li>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Andreas Mohr
2026-05-29 18:27:27 +00:00
committed by Thomas Petazzoni
parent 2d7cf86aaa
commit 5394df6400
2 changed files with 16 additions and 5 deletions
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10
package/tpm2-tss/Config.in
View File

@@ -1,8 +1,8 @@
config BR2_PACKAGE_TPM2_TSS
bool "tpm2-tss"
depends on !BR2_STATIC_LIBS # dlfcn.h
select BR2_PACKAGE_OPENSSL
select BR2_PACKAGE_OPENSSL_FORCE_LIBOPENSSL
select BR2_PACKAGE_OPENSSL if !BR2_PACKAGE_MBEDTLS
select BR2_PACKAGE_OPENSSL_FORCE_LIBOPENSSL if !BR2_PACKAGE_MBEDTLS
help
OSS implementation of the Trusted Computing Group's (TCG) TPM2
Software Stack (TSS). This stack consists of the following
@@ -35,8 +35,9 @@ config BR2_PACKAGE_TPM2_TSS
if BR2_PACKAGE_TPM2_TSS
config BR2_PACKAGE_TPM2_TSS_FAPI
bool "fapi support"
bool "FAPI support"
depends on BR2_TOOLCHAIN_HAS_SYNC_4 # json-c
depends on !BR2_PACKAGE_MBEDTLS # configure: FAPI has to be compiled with OpenSSL
select BR2_PACKAGE_JSON_C
select BR2_PACKAGE_LIBCURL
select BR2_PACKAGE_UTIL_LINUX
@@ -54,6 +55,9 @@ config BR2_PACKAGE_TPM2_TSS_FAPI
https://trustedcomputinggroup.org/wp-content/uploads/TSS_FAPI_v0.94_r04_pubrev.pdf
https://trustedcomputinggroup.org/wp-content/uploads/TSS_JSON_Policy_v0.7_r04_pubrev.pdf
comment "FAPI not supported with Mbed TLS backend"
depends on BR2_PACKAGE_MBEDTLS
endif
comment "tpm2-tss needs a toolchain w/ dynamic library"

11
package/tpm2-tss/tpm2-tss.mk
View File

@@ -11,7 +11,7 @@ TPM2_TSS_LICENSE_FILES = LICENSE
TPM2_TSS_CPE_ID_VENDOR = tpm2_software_stack_project
TPM2_TSS_CPE_ID_PRODUCT = tpm2_software_stack
TPM2_TSS_INSTALL_STAGING = YES
TPM2_TSS_DEPENDENCIES = openssl host-pkgconf
TPM2_TSS_DEPENDENCIES = host-pkgconf
# systemd-sysusers and systemd-tmpfiles are only used at install time
# to trigger the creation of users and tmpfiles, which we do not care
@@ -25,10 +25,17 @@ TPM2_TSS_CONF_OPTS = \
ac_cv_prog_systemd_tmpfiles=no \
ac_cv_prog_useradd=yes \
ac_cv_prog_groupadd=yes \
--with-crypto=ossl \
--disable-doxygen-doc \
--disable-defaultflags
ifeq ($(BR2_PACKAGE_OPENSSL),y)
TPM2_TSS_DEPENDENCIES += openssl
TPM2_TSS_CONF_OPTS += --with-crypto=ossl
else ifeq ($(BR2_PACKAGE_MBEDTLS),y)
TPM2_TSS_DEPENDENCIES += mbedtls
TPM2_TSS_CONF_OPTS += --with-crypto=mbed
endif
# uses C99 code but forgets to pass -std=c99 when --disable-defaultflags is used
TPM2_TSS_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -std=c99"