[PATCH v3 1/6] mbedtls: Enable TLS 1.2 support

[Ilias Apalodimas]

Since lwIP and mbedTLS have been merged we can tweak the config options
and enable TLS1.2 support. Add RSA and ECDSA by default and enable
enough block cipher modes of operation to be comatible with modern
TLS requirements and webservers

Reviewed-by: Raymond Mao <raymond.mao at linaro.org>
Acked-by: Jerome Forissier <jerome.forissier at linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>
---
 lib/mbedtls/Kconfig              | 12 ++++++++
 lib/mbedtls/Makefile             | 31 +++++++++++++++++++
 lib/mbedtls/mbedtls_def_config.h | 52 ++++++++++++++++++++++++++++++++
 3 files changed, 95 insertions(+)

diff --git a/lib/mbedtls/Kconfig b/lib/mbedtls/Kconfig
index d71adc3648ad..78167ffa2520 100644
--- a/lib/mbedtls/Kconfig
+++ b/lib/mbedtls/Kconfig
@@ -430,4 +430,16 @@ endif # SPL
 
 endif # MBEDTLS_LIB_X509
 
+config MBEDTLS_LIB_TLS
+	bool "MbedTLS TLS library"
+	depends on RSA_PUBLIC_KEY_PARSER_MBEDTLS
+	depends on X509_CERTIFICATE_PARSER_MBEDTLS
+	depends on ASYMMETRIC_PUBLIC_KEY_MBEDTLS
+	depends on ASN1_DECODER_MBEDTLS
+	depends on ASYMMETRIC_PUBLIC_KEY_MBEDTLS
+	depends on MBEDTLS_LIB_CRYPTO
+	help
+	  Enable MbedTLS TLS library. Required for HTTPs support
+	  in wget
+
 endif # MBEDTLS_LIB
diff --git a/lib/mbedtls/Makefile b/lib/mbedtls/Makefile
index 83cb3c2fa705..ce0a61e40541 100644
--- a/lib/mbedtls/Makefile
+++ b/lib/mbedtls/Makefile
@@ -26,6 +26,7 @@ mbedtls_lib_crypto-y := \
 	$(MBEDTLS_LIB_DIR)/platform_util.o \
 	$(MBEDTLS_LIB_DIR)/constant_time.o \
 	$(MBEDTLS_LIB_DIR)/md.o
+
 mbedtls_lib_crypto-$(CONFIG_$(SPL_)MD5_MBEDTLS) += $(MBEDTLS_LIB_DIR)/md5.o
 mbedtls_lib_crypto-$(CONFIG_$(SPL_)SHA1_MBEDTLS) += $(MBEDTLS_LIB_DIR)/sha1.o
 mbedtls_lib_crypto-$(CONFIG_$(SPL_)SHA256_MBEDTLS) += \
@@ -54,3 +55,33 @@ mbedtls_lib_x509-$(CONFIG_$(SPL_)X509_CERTIFICATE_PARSER_MBEDTLS) += \
 	$(MBEDTLS_LIB_DIR)/x509_crt.o
 mbedtls_lib_x509-$(CONFIG_$(SPL_)PKCS7_MESSAGE_PARSER_MBEDTLS) += \
 	$(MBEDTLS_LIB_DIR)/pkcs7.o
+
+#mbedTLS TLS support
+obj-$(CONFIG_MBEDTLS_LIB_TLS) += mbedtls_lib_tls.o
+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 \
+	$(MBEDTLS_LIB_DIR)/ssl_cookie.o \
+	$(MBEDTLS_LIB_DIR)/ssl_debug_helpers_generated.o \
+	$(MBEDTLS_LIB_DIR)/ssl_msg.o \
+	$(MBEDTLS_LIB_DIR)/ssl_ticket.o \
+	$(MBEDTLS_LIB_DIR)/ssl_tls.o \
+	$(MBEDTLS_LIB_DIR)/ssl_tls12_client.o \
+	$(MBEDTLS_LIB_DIR)/hmac_drbg.o \
+	$(MBEDTLS_LIB_DIR)/ctr_drbg.o \
+	$(MBEDTLS_LIB_DIR)/entropy.o \
+	$(MBEDTLS_LIB_DIR)/entropy_poll.o \
+	$(MBEDTLS_LIB_DIR)/aes.o \
+	$(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 1af911c2003f..d27f017d0847 100644
--- a/lib/mbedtls/mbedtls_def_config.h
+++ b/lib/mbedtls/mbedtls_def_config.h
@@ -87,4 +87,56 @@
 
 #endif /* #if defined CONFIG_MBEDTLS_LIB_X509 */
 
+#if IS_ENABLED(CONFIG_MBEDTLS_LIB_TLS)
+#include "rtc.h"
+
+/* Generic options */
+#define MBEDTLS_ENTROPY_HARDWARE_ALT
+#define MBEDTLS_HAVE_TIME
+#define MBEDTLS_PLATFORM_MS_TIME_ALT
+#define MBEDTLS_PLATFORM_TIME_MACRO rtc_mktime
+#define MBEDTLS_PLATFORM_C
+#define MBEDTLS_SSL_CLI_C
+#define MBEDTLS_SSL_TLS_C
+#define MBEDTLS_CIPHER_C
+#define MBEDTLS_MD_C
+#define MBEDTLS_CTR_DRBG_C
+#define MBEDTLS_AES_C
+#define MBEDTLS_ENTROPY_C
+#define MBEDTLS_NO_PLATFORM_ENTROPY
+#define MBEDTLS_SSL_PROTO_TLS1_2
+#define MBEDTLS_SSL_SERVER_NAME_INDICATION
+#define MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
+
+/* RSA */
+#define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
+#define MBEDTLS_GCM_C
+
+/* ECDSA */
+#define MBEDTLS_ECDSA_C
+#define MBEDTLS_ECDH_C
+#define MBEDTLS_ECDSA_DETERMINISTIC
+#define MBEDTLS_HMAC_DRBG_C
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
+#define MBEDTLS_CAN_ECDH
+#define MBEDTLS_PK_CAN_ECDSA_SIGN
+#define MBEDTLS_ECP_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 /* #if defined CONFIG_MBEDTLS_LIB_TLS */
+
 #endif /* #if defined CONFIG_MBEDTLS_LIB */
-- 
2.43.0