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mbedtls: add config option to compile with hkdf

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This adds a config option to allow compiling with HKDF algorithm support
to support applications that require this feature.

Signed-off-by: Etan Kissling <etan_kissling@apple.com>
This commit is contained in:
Etan Kissling
2021-01-13 01:01:24 +01:00
committed by Daniel Golle
parent 39add246c1
commit 02abd99f89
1 changed files with 18 additions and 1 deletions
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19
package/libs/mbedtls/Makefile
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@@ -21,7 +21,9 @@ PKG_LICENSE:=GPL-2.0-or-later
PKG_LICENSE_FILES:=gpl-2.0.txt PKG_LICENSE_FILES:=gpl-2.0.txt
PKG_CPE_ID:=cpe:/a:arm:mbed_tls PKG_CPE_ID:=cpe:/a:arm:mbed_tls
PKG_CONFIG_DEPENDS:=CONFIG_LIBMBEDTLS_DEBUG_C PKG_CONFIG_DEPENDS := \
CONFIG_LIBMBEDTLS_DEBUG_C \
CONFIG_LIBMBEDTLS_HKDF_C
include $(INCLUDE_DIR)/package.mk include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/cmake.mk include $(INCLUDE_DIR)/cmake.mk
@@ -57,6 +59,14 @@ config LIBMBEDTLS_DEBUG_C
by around 60 KiB (for an ARMv5 platform). by around 60 KiB (for an ARMv5 platform).
Usually, you don't need this, so don't select this if you're unsure. Usually, you don't need this, so don't select this if you're unsure.
config LIBMBEDTLS_HKDF_C
depends on PACKAGE_libmbedtls
bool "Enable the HKDF algorithm (RFC 5869)"
default n
help
This option adds support for the Hashed Message Authentication Code
(HMAC)-based key derivation function (HKDF).
endef endef
define Package/mbedtls-util define Package/mbedtls-util
@@ -97,6 +107,13 @@ define Build/Configure
END { exit(rc) }' $(PKG_BUILD_DIR)/include/mbedtls/config.h \ END { exit(rc) }' $(PKG_BUILD_DIR)/include/mbedtls/config.h \
>$(PKG_BUILD_DIR)/include/mbedtls/config.h.new && \ >$(PKG_BUILD_DIR)/include/mbedtls/config.h.new && \
mv $(PKG_BUILD_DIR)/include/mbedtls/config.h.new $(PKG_BUILD_DIR)/include/mbedtls/config.h mv $(PKG_BUILD_DIR)/include/mbedtls/config.h.new $(PKG_BUILD_DIR)/include/mbedtls/config.h
awk 'BEGIN { rc = 1 } \
/#define MBEDTLS_HKDF_C/ { $$$$0 = "$(if $(CONFIG_LIBMBEDTLS_HKDF_C),,// )#define MBEDTLS_HKDF_C"; rc = 0 } \
{ print } \
END { exit(rc) }' $(PKG_BUILD_DIR)/include/mbedtls/config.h \
>$(PKG_BUILD_DIR)/include/mbedtls/config.h.new && \
mv $(PKG_BUILD_DIR)/include/mbedtls/config.h.new $(PKG_BUILD_DIR)/include/mbedtls/config.h
endef endef
define Build/InstallDev define Build/InstallDev