Squashed commit upgrading to mbedtls-2.22.0

Squash merging branch import/mbedtls-2.22.0

5cab03377186 ("mk/clang.mk: define libgcc$(sm)")
3607a5386a72 ("core: mbedtls: enable MBEDTLS_ECDH_LEGACY_CONTEXT")
896c8845bbda ("mbedtls: remove file md_wrap.c from build")
400b2af54fa0 ("libmbedtls: mbedtls_mpi_exp_mod(): optimize mempool usage")
777827c7af3d ("libmbedtls: mbedtls_mpi_exp_mod(): reduce stack usage")
549e4600678e ("libmbedtls: preserve mempool usage on reinit")
02d636083fe2 ("libmbedtls: mbedtls_mpi_exp_mod() initialize W")
d2ac2b3c92bf ("libmbedtls: fix no CRT issue")
f550879d5be2 ("libmbedtls: add interfaces in mbedtls for context memory operation")
219173d807ce ("libmedtls: mpi_miller_rabin: increase count limit")
7930b0b6b5e4 ("libmbedtls: add mbedtls_mpi_init_mempool()")
78af9fdc120f ("libmbedtls: make mbedtls_mpi_mont*() available")
8f7357271cc2 ("libmbedtls: refine mbedtls license header")
c5993878881f ("mbedtls: configure mbedtls to reach for config")
6f9c587783af ("mbedtls: remove default include/mbedtls/config.h")
3d3bd3b12752 ("Import mbedtls-2.22.0")

Signed-off-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/lib/libmbedtls/mbedtls/library/version_features.c b/lib/libmbedtls/mbedtls/library/version_features.c
index 6e1281e..300760c 100644
--- a/lib/libmbedtls/mbedtls/library/version_features.c
+++ b/lib/libmbedtls/mbedtls/library/version_features.c
@@ -31,7 +31,7 @@
 
 #include <string.h>
 
-static const char *features[] = {
+static const char * const features[] = {
 #if defined(MBEDTLS_VERSION_FEATURES)
 #if defined(MBEDTLS_HAVE_ASM)
     "MBEDTLS_HAVE_ASM",
@@ -72,6 +72,9 @@
 #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
     "MBEDTLS_PLATFORM_SNPRINTF_ALT",
 #endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
+#if defined(MBEDTLS_PLATFORM_VSNPRINTF_ALT)
+    "MBEDTLS_PLATFORM_VSNPRINTF_ALT",
+#endif /* MBEDTLS_PLATFORM_VSNPRINTF_ALT */
 #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
     "MBEDTLS_PLATFORM_NV_SEED_ALT",
 #endif /* MBEDTLS_PLATFORM_NV_SEED_ALT */
@@ -354,6 +357,9 @@
 #if defined(MBEDTLS_ECP_RESTARTABLE)
     "MBEDTLS_ECP_RESTARTABLE",
 #endif /* MBEDTLS_ECP_RESTARTABLE */
+#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
+    "MBEDTLS_ECDH_LEGACY_CONTEXT",
+#endif /* MBEDTLS_ECDH_LEGACY_CONTEXT */
 #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
     "MBEDTLS_ECDSA_DETERMINISTIC",
 #endif /* MBEDTLS_ECDSA_DETERMINISTIC */
@@ -414,6 +420,9 @@
 #if defined(MBEDTLS_ENTROPY_NV_SEED)
     "MBEDTLS_ENTROPY_NV_SEED",
 #endif /* MBEDTLS_ENTROPY_NV_SEED */
+#if defined(MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER)
+    "MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER",
+#endif /* MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER */
 #if defined(MBEDTLS_MEMORY_DEBUG)
     "MBEDTLS_MEMORY_DEBUG",
 #endif /* MBEDTLS_MEMORY_DEBUG */
@@ -429,6 +438,12 @@
 #if defined(MBEDTLS_PKCS1_V21)
     "MBEDTLS_PKCS1_V21",
 #endif /* MBEDTLS_PKCS1_V21 */
+#if defined(MBEDTLS_PSA_CRYPTO_SPM)
+    "MBEDTLS_PSA_CRYPTO_SPM",
+#endif /* MBEDTLS_PSA_CRYPTO_SPM */
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY)
+    "MBEDTLS_PSA_INJECT_ENTROPY",
+#endif /* MBEDTLS_PSA_INJECT_ENTROPY */
 #if defined(MBEDTLS_RSA_NO_CRT)
     "MBEDTLS_RSA_NO_CRT",
 #endif /* MBEDTLS_RSA_NO_CRT */
@@ -438,12 +453,27 @@
 #if defined(MBEDTLS_SHA256_SMALLER)
     "MBEDTLS_SHA256_SMALLER",
 #endif /* MBEDTLS_SHA256_SMALLER */
+#if defined(MBEDTLS_SHA512_SMALLER)
+    "MBEDTLS_SHA512_SMALLER",
+#endif /* MBEDTLS_SHA512_SMALLER */
+#if defined(MBEDTLS_SHA512_NO_SHA384)
+    "MBEDTLS_SHA512_NO_SHA384",
+#endif /* MBEDTLS_SHA512_NO_SHA384 */
 #if defined(MBEDTLS_SSL_ALL_ALERT_MESSAGES)
     "MBEDTLS_SSL_ALL_ALERT_MESSAGES",
 #endif /* MBEDTLS_SSL_ALL_ALERT_MESSAGES */
+#if defined(MBEDTLS_SSL_RECORD_CHECKING)
+    "MBEDTLS_SSL_RECORD_CHECKING",
+#endif /* MBEDTLS_SSL_RECORD_CHECKING */
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    "MBEDTLS_SSL_DTLS_CONNECTION_ID",
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
     "MBEDTLS_SSL_ASYNC_PRIVATE",
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+    "MBEDTLS_SSL_CONTEXT_SERIALIZATION",
+#endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
 #if defined(MBEDTLS_SSL_DEBUG_ALL)
     "MBEDTLS_SSL_DEBUG_ALL",
 #endif /* MBEDTLS_SSL_DEBUG_ALL */
@@ -456,6 +486,9 @@
 #if defined(MBEDTLS_SSL_FALLBACK_SCSV)
     "MBEDTLS_SSL_FALLBACK_SCSV",
 #endif /* MBEDTLS_SSL_FALLBACK_SCSV */
+#if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
+    "MBEDTLS_SSL_KEEP_PEER_CERTIFICATE",
+#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
     "MBEDTLS_SSL_HW_RECORD_ACCEL",
 #endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */
@@ -519,12 +552,18 @@
 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT)
     "MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT",
 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT */
+#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
+    "MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH",
+#endif /* MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH */
 #if defined(MBEDTLS_THREADING_ALT)
     "MBEDTLS_THREADING_ALT",
 #endif /* MBEDTLS_THREADING_ALT */
 #if defined(MBEDTLS_THREADING_PTHREAD)
     "MBEDTLS_THREADING_PTHREAD",
 #endif /* MBEDTLS_THREADING_PTHREAD */
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    "MBEDTLS_USE_PSA_CRYPTO",
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
 #if defined(MBEDTLS_VERSION_FEATURES)
     "MBEDTLS_VERSION_FEATURES",
 #endif /* MBEDTLS_VERSION_FEATURES */
@@ -534,6 +573,9 @@
 #if defined(MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION)
     "MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION",
 #endif /* MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION */
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+    "MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK",
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 #if defined(MBEDTLS_X509_CHECK_KEY_USAGE)
     "MBEDTLS_X509_CHECK_KEY_USAGE",
 #endif /* MBEDTLS_X509_CHECK_KEY_USAGE */
@@ -693,6 +735,18 @@
 #if defined(MBEDTLS_POLY1305_C)
     "MBEDTLS_POLY1305_C",
 #endif /* MBEDTLS_POLY1305_C */
+#if defined(MBEDTLS_PSA_CRYPTO_C)
+    "MBEDTLS_PSA_CRYPTO_C",
+#endif /* MBEDTLS_PSA_CRYPTO_C */
+#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
+    "MBEDTLS_PSA_CRYPTO_SE_C",
+#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
+#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
+    "MBEDTLS_PSA_CRYPTO_STORAGE_C",
+#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
+#if defined(MBEDTLS_PSA_ITS_FILE_C)
+    "MBEDTLS_PSA_ITS_FILE_C",
+#endif /* MBEDTLS_PSA_ITS_FILE_C */
 #if defined(MBEDTLS_RIPEMD160_C)
     "MBEDTLS_RIPEMD160_C",
 #endif /* MBEDTLS_RIPEMD160_C */
@@ -765,7 +819,7 @@
 
 int mbedtls_version_check_feature( const char *feature )
 {
-    const char **idx = features;
+    const char * const *idx = features;
 
     if( *idx == NULL )
         return( -2 );