Hi Philippe, On Thu, 12 Dec 2024 at 08:37, Philippe Reynes < philippe.rey...@softathome.com> wrote:
> Adds the support of key derivation using > the scheme hkdf. > > Signed-off-by: Philippe Reynes <philippe.rey...@softathome.com> > --- > lib/mbedtls/Kconfig | 14 ++++++++++++++ > lib/mbedtls/Makefile | 2 ++ > lib/mbedtls/mbedtls_def_config.h | 4 ++++ > 3 files changed, 20 insertions(+) > > diff --git a/lib/mbedtls/Kconfig b/lib/mbedtls/Kconfig > index 78167ffa252..aa82336ef14 100644 > --- a/lib/mbedtls/Kconfig > +++ b/lib/mbedtls/Kconfig > @@ -297,6 +297,13 @@ config MD5_MBEDTLS > This option enables support of hashing using MD5 algorithm > with MbedTLS crypto library. > > +config HKDF_MBEDTLS > + bool "Enable HKDF support with MbedTLS crypto library" > + depends on MBEDTLS_LIB_CRYPTO > + help > + This option enables support of key derivation using HKDF > algorithm > + with MbedTLS crypto library. > + > if SPL > > config SPL_SHA1_MBEDTLS > @@ -335,6 +342,13 @@ config SPL_MD5_MBEDTLS > This option enables support of hashing using MD5 algorithm > with MbedTLS crypto library. > > +config SPL_HKDF_MBEDTLS > + bool "Enable HKDF support in SPL with MbedTLS crypto library" > + depends on MBEDTLS_LIB_CRYPTO > + help > + This option enables support of key derivation using HKDF > algorithm > + with MbedTLS crypto library. > + > endif # SPL > > endif # MBEDTLS_LIB_CRYPTO > diff --git a/lib/mbedtls/Makefile b/lib/mbedtls/Makefile > index ce0a61e4054..e66c2018d97 100644 > --- a/lib/mbedtls/Makefile > +++ b/lib/mbedtls/Makefile > @@ -33,6 +33,8 @@ mbedtls_lib_crypto-$(CONFIG_$(SPL_)SHA256_MBEDTLS) += \ > $(MBEDTLS_LIB_DIR)/sha256.o > mbedtls_lib_crypto-$(CONFIG_$(SPL_)SHA512_MBEDTLS) += \ > $(MBEDTLS_LIB_DIR)/sha512.o > +mbedtls_lib_crypto-$(CONFIG_$(SPL_)HKDF_MBEDTLS) += \ > + $(MBEDTLS_LIB_DIR)/hkdf.o > > # MbedTLS X509 library > obj-$(CONFIG_MBEDTLS_LIB_X509) += mbedtls_lib_x509.o > diff --git a/lib/mbedtls/mbedtls_def_config.h > b/lib/mbedtls/mbedtls_def_config.h > index 1d2314e90e4..fd440c392f9 100644 > --- a/lib/mbedtls/mbedtls_def_config.h > +++ b/lib/mbedtls/mbedtls_def_config.h > @@ -56,6 +56,10 @@ > #endif > #endif > > +#if CONFIG_IS_ENABLED(HKDF_MBEDTLS) > +#define MBEDTLS_HKDF_C > +#endif > + > #if defined CONFIG_MBEDTLS_LIB_X509 > > #if CONFIG_IS_ENABLED(X509_CERTIFICATE_PARSER) > -- > 2.25.1 > > Sounds good to me. Reviewed-by: Raymond Mao <raymond....@linaro.org> Regards, Raymond