Hi Raymond,
Sorry for this very later answer.
Le 20/02/2026 à 16:18, Raymond Mao a écrit :
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Hi Philippe,
On Thu, Feb 19, 2026 at 8:26 AM Philippe Reynes
<[email protected]> wrote:
Enables the support of ecc in mbedtls.
Signed-off-by: Philippe Reynes <[email protected]>
---
v2:
- move ecdsa to MBEDTLS_LIB_X509
- enhance depencendies
configs/amd_versal2_virt_defconfig | 1 +
configs/qemu_arm64_lwip_defconfig | 1 +
configs/starfive_visionfive2_defconfig | 1 +
configs/xilinx_versal_net_virt_defconfig | 1 +
configs/xilinx_versal_virt_defconfig | 1 +
configs/xilinx_zynqmp_kria_defconfig | 1 +
configs/xilinx_zynqmp_virt_defconfig | 1 +
lib/mbedtls/Kconfig | 16 ++++++++++++++++
lib/mbedtls/Makefile | 16 +++++++++-------
lib/mbedtls/mbedtls_def_config.h | 18 ++++++++++++++++++
10 files changed, 50 insertions(+), 7 deletions(-)
diff --git a/configs/amd_versal2_virt_defconfig
b/configs/amd_versal2_virt_defconfig
index 0344089030c..702bf28405d 100644
--- a/configs/amd_versal2_virt_defconfig
+++ b/configs/amd_versal2_virt_defconfig
@@ -164,6 +164,7 @@ CONFIG_VIRTIO_MMIO=y
CONFIG_VIRTIO_NET=y
CONFIG_VIRTIO_BLK=y
CONFIG_MBEDTLS_LIB=y
+CONFIG_ECDSA=y
CONFIG_TPM=y
# CONFIG_OPTEE_LIB is not set
CONFIG_TOOLS_MKFWUMDATA=y
diff --git a/configs/qemu_arm64_lwip_defconfig
b/configs/qemu_arm64_lwip_defconfig
index a974970c3d3..ab6302b67eb 100644
--- a/configs/qemu_arm64_lwip_defconfig
+++ b/configs/qemu_arm64_lwip_defconfig
@@ -11,3 +11,4 @@ CONFIG_CMD_WGET=y
CONFIG_EFI_HTTP_BOOT=y
CONFIG_WGET_HTTPS=y
CONFIG_WGET_CACERT=y
+CONFIG_ECDSA=y
diff --git a/configs/starfive_visionfive2_defconfig
b/configs/starfive_visionfive2_defconfig
index a754134a313..508bd465704 100644
--- a/configs/starfive_visionfive2_defconfig
+++ b/configs/starfive_visionfive2_defconfig
@@ -156,3 +156,4 @@ CONFIG_USB_GADGET=y
CONFIG_WDT=y
CONFIG_WDT_STARFIVE=y
CONFIG_MBEDTLS_LIB=y
+CONFIG_ECDSA=y
diff --git a/configs/xilinx_versal_net_virt_defconfig
b/configs/xilinx_versal_net_virt_defconfig
index 323b5606566..8b760beab03 100644
--- a/configs/xilinx_versal_net_virt_defconfig
+++ b/configs/xilinx_versal_net_virt_defconfig
@@ -154,4 +154,5 @@ CONFIG_VIRTIO_MMIO=y
CONFIG_VIRTIO_NET=y
CONFIG_VIRTIO_BLK=y
CONFIG_MBEDTLS_LIB=y
+CONFIG_ECDSA=y
CONFIG_TPM=y
diff --git a/configs/xilinx_versal_virt_defconfig
b/configs/xilinx_versal_virt_defconfig
index 652121e27a0..6dd8620cf51 100644
--- a/configs/xilinx_versal_virt_defconfig
+++ b/configs/xilinx_versal_virt_defconfig
@@ -168,5 +168,6 @@ CONFIG_VIRTIO_MMIO=y
CONFIG_VIRTIO_NET=y
CONFIG_VIRTIO_BLK=y
CONFIG_MBEDTLS_LIB=y
+CONFIG_ECDSA=y
CONFIG_TPM=y
CONFIG_TOOLS_MKFWUMDATA=y
diff --git a/configs/xilinx_zynqmp_kria_defconfig
b/configs/xilinx_zynqmp_kria_defconfig
index 8ad05e37189..d23452e96d0 100644
--- a/configs/xilinx_zynqmp_kria_defconfig
+++ b/configs/xilinx_zynqmp_kria_defconfig
@@ -219,6 +219,7 @@ CONFIG_VIRTIO_BLK=y
CONFIG_BINMAN_DTB="./arch/arm/dts/zynqmp-binman-som.dtb"
CONFIG_PANIC_HANG=y
CONFIG_MBEDTLS_LIB=y
+CONFIG_ECDSA=y
CONFIG_TPM=y
CONFIG_SPL_GZIP=y
CONFIG_TOOLS_MKFWUMDATA=y
diff --git a/configs/xilinx_zynqmp_virt_defconfig
b/configs/xilinx_zynqmp_virt_defconfig
index bb79ddf989e..01370a215d4 100644
--- a/configs/xilinx_zynqmp_virt_defconfig
+++ b/configs/xilinx_zynqmp_virt_defconfig
@@ -237,6 +237,7 @@ CONFIG_VIRTIO_BLK=y
CONFIG_BINMAN_DTB="./arch/arm/dts/zynqmp-binman.dtb"
CONFIG_PANIC_HANG=y
CONFIG_MBEDTLS_LIB=y
+CONFIG_ECDSA=y
CONFIG_TPM=y
CONFIG_SPL_GZIP=y
CONFIG_TOOLS_MKFWUMDATA=y
diff --git a/lib/mbedtls/Kconfig b/lib/mbedtls/Kconfig
index 789721ee6cd..8bf8809198f 100644
--- a/lib/mbedtls/Kconfig
+++ b/lib/mbedtls/Kconfig
@@ -242,11 +242,16 @@ config MBEDTLS_LIB_X509
select X509_CERTIFICATE_PARSER_MBEDTLS if X509_CERTIFICATE_PARSER
select PKCS7_MESSAGE_PARSER_MBEDTLS if PKCS7_MESSAGE_PARSER
select MSCODE_PARSER_MBEDTLS if MSCODE_PARSER
+ select ECDSA_MBEDTLS if ECDSA
help
Enable MbedTLS certificate libraries.
if MBEDTLS_LIB_X509
+config BIGNUM_MBEDTLS
+ bool
+ default n
+
config ASN1_DECODER_MBEDTLS
bool "ASN1 decoder with MbedTLS certificate library"
depends on MBEDTLS_LIB_X509 && ASN1_DECODER
@@ -264,6 +269,7 @@ config RSA_PUBLIC_KEY_PARSER_MBEDTLS
bool "RSA public key parser with MbedTLS certificate library"
depends on ASYMMETRIC_PUBLIC_KEY_MBEDTLS
select ASN1_DECODER_MBEDTLS
+ select BIGNUM_MBEDTLS
help
This option chooses MbedTLS certificate library for RSA public key
parser.
@@ -292,6 +298,15 @@ config MSCODE_PARSER_MBEDTLS
This option chooses MbedTLS certificate library for MS authenticode
parser.
+config ECDSA_MBEDTLS
+ bool "Enable ECDSA support with MbedTLS certificate library"
+ depends on MBEDTLS_LIB_X509
+ select ASN1_DECODER
This should be ASN1_DECODER_MBEDTLS.
It was my first try, but I reach an issue.
If ASN1_DECODER is not selected and we select ASN1_DECODER_MBEDTLS,
there is a conflict because
ASN1_DECODER_MBEDTLS depends on ASN1_DECODER. So to avoid this issue, I
have kept ASN1_DECODER in V3.
Regards,
Philippe
+ select BIGNUM_MBEDTLS
+ help
+ This option enables support of ECDSA with the MbedTLS certificate
+ library.
+
endif # MBEDTLS_LIB_X509
config MBEDTLS_LIB_TLS
@@ -301,6 +316,7 @@ config MBEDTLS_LIB_TLS
depends on ASYMMETRIC_PUBLIC_KEY_MBEDTLS
depends on ASN1_DECODER_MBEDTLS
depends on MBEDTLS_LIB
+ depends on ECDSA_MBEDTLS
help
Enable MbedTLS TLS library. Required for HTTPs support
in wget
diff --git a/lib/mbedtls/Makefile b/lib/mbedtls/Makefile
index c5b445bd85c..5433e17cc64 100644
--- a/lib/mbedtls/Makefile
+++ b/lib/mbedtls/Makefile
@@ -39,13 +39,14 @@ mbedtls_lib_crypto-$(CONFIG_$(PHASE_)HKDF_MBEDTLS) += \
# MbedTLS X509 library
obj-$(CONFIG_$(XPL_)MBEDTLS_LIB_X509) += mbedtls_lib_x509.o
mbedtls_lib_x509-y := $(MBEDTLS_LIB_DIR)/x509.o
+mbedtls_lib_x509-$(CONFIG_$(PHASE_)BIGNUM_MBEDTLS) += \
+ $(MBEDTLS_LIB_DIR)/bignum.o \
+ $(MBEDTLS_LIB_DIR)/bignum_core.o
mbedtls_lib_x509-$(CONFIG_$(PHASE_)ASN1_DECODER_MBEDTLS) += \
$(MBEDTLS_LIB_DIR)/asn1parse.o \
$(MBEDTLS_LIB_DIR)/asn1write.o \
$(MBEDTLS_LIB_DIR)/oid.o
mbedtls_lib_x509-$(CONFIG_$(PHASE_)RSA_PUBLIC_KEY_PARSER_MBEDTLS) += \
- $(MBEDTLS_LIB_DIR)/bignum.o \
- $(MBEDTLS_LIB_DIR)/bignum_core.o \
$(MBEDTLS_LIB_DIR)/rsa.o \
$(MBEDTLS_LIB_DIR)/rsa_alt_helpers.o
mbedtls_lib_x509-$(CONFIG_$(PHASE_)ASYMMETRIC_PUBLIC_KEY_MBEDTLS) += \
@@ -57,6 +58,12 @@
mbedtls_lib_x509-$(CONFIG_$(PHASE_)X509_CERTIFICATE_PARSER_MBEDTLS) += \
$(MBEDTLS_LIB_DIR)/x509_crt.o
mbedtls_lib_x509-$(CONFIG_$(PHASE_)PKCS7_MESSAGE_PARSER_MBEDTLS) += \
$(MBEDTLS_LIB_DIR)/pkcs7.o
+mbedtls_lib_x509-$(CONFIG_$(PHASE_)ECDSA_MBEDTLS) += \
+ $(MBEDTLS_LIB_DIR)/ecdsa.o \
+ $(MBEDTLS_LIB_DIR)/ecp.o \
+ $(MBEDTLS_LIB_DIR)/ecp_curves.o \
+ $(MBEDTLS_LIB_DIR)/ecp_curves_new.o \
+ $(MBEDTLS_LIB_DIR)/pk_ecc.o
#mbedTLS TLS support
obj-$(CONFIG_$(XPL_)MBEDTLS_LIB_TLS) += mbedtls_lib_tls.o
@@ -64,7 +71,6 @@ mbedtls_lib_tls-y := \
$(MBEDTLS_LIB_DIR)/mps_reader.o \
$(MBEDTLS_LIB_DIR)/mps_trace.o \
$(MBEDTLS_LIB_DIR)/net_sockets.o \
- $(MBEDTLS_LIB_DIR)/pk_ecc.o \
$(MBEDTLS_LIB_DIR)/ssl_cache.o \
$(MBEDTLS_LIB_DIR)/ssl_ciphersuites.o \
$(MBEDTLS_LIB_DIR)/ssl_client.o \
@@ -82,8 +88,4 @@ mbedtls_lib_tls-y := \
$(MBEDTLS_LIB_DIR)/cipher.o \
$(MBEDTLS_LIB_DIR)/cipher_wrap.o \
$(MBEDTLS_LIB_DIR)/ecdh.o \
- $(MBEDTLS_LIB_DIR)/ecdsa.o \
- $(MBEDTLS_LIB_DIR)/ecp.o \
- $(MBEDTLS_LIB_DIR)/ecp_curves.o \
- $(MBEDTLS_LIB_DIR)/ecp_curves_new.o \
$(MBEDTLS_LIB_DIR)/gcm.o \
diff --git a/lib/mbedtls/mbedtls_def_config.h b/lib/mbedtls/mbedtls_def_config.h
index dda3f4dd6e4..7d60bcc52aa 100644
--- a/lib/mbedtls/mbedtls_def_config.h
+++ b/lib/mbedtls/mbedtls_def_config.h
@@ -89,6 +89,24 @@
#define MBEDTLS_ASN1_WRITE_C
#endif
+#if CONFIG_IS_ENABLED(ECDSA_MBEDTLS)
In the 'mbedtls_def_config.h' file, we use the kconfigs without the
'_MBEDTLS' postfix.
Regards,
Raymond
+#define MBEDTLS_ECDSA_C
+#define MBEDTLS_ECP_C
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_ECP_DP_SECP256K1_ENABLED
+#define MBEDTLS_ECP_DP_SECP192R1_ENABLED
+#define MBEDTLS_ECP_DP_SECP224R1_ENABLED
+#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
+#define MBEDTLS_ECP_DP_SECP384R1_ENABLED
+#define MBEDTLS_ECP_DP_SECP521R1_ENABLED
+#define MBEDTLS_ECP_DP_SECP192K1_ENABLED
+#define MBEDTLS_ECP_DP_SECP224K1_ENABLED
+#define MBEDTLS_ECP_DP_SECP256K1_ENABLED
+#define MBEDTLS_ECP_DP_BP256R1_ENABLED
+#define MBEDTLS_ECP_DP_BP384R1_ENABLED
+#define MBEDTLS_ECP_DP_BP512R1_ENABLED
+#endif
+
#endif /* #if CONFIG_IS_ENABLED(MBEDTLS_LIB_X509) */
#if CONFIG_IS_ENABLED(MBEDTLS_LIB_TLS)
--
2.43.0
