Update to mbedtls 2.18.0rc3

features/mbedtls/VERSION.txt

@@ -1 +1 @@
-mbedtls-2.18.0-rc2
+mbedtls-2.18.0-rc3

features/mbedtls/importer/Makefile

@@ -27,7 +27,7 @@
 #
 
 # Set the mbed TLS release to import (this can/should be edited before import)
-MBED_TLS_RELEASE ?= mbedtls-2.18.0-rc2
+MBED_TLS_RELEASE ?= mbedtls-2.18.0-rc3
 MBED_TLS_REPO_URL ?= [email protected]:ARMmbed/mbedtls-restricted.git
 
 # Translate between mbed TLS namespace and mbed namespace

features/mbedtls/inc/mbedtls/check_config.h

@@ -541,11 +541,6 @@
 #error "MBEDTLS_PSA_INJECT_ENTROPY defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&              \
-    !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
-#error "MBEDTLS_PSA_INJECT_ENTROPY is not compatible with actual entropy sources"
-#endif
-
 #if defined(MBEDTLS_PSA_ITS_FILE_C) && \
     !defined(MBEDTLS_FS_IO)
 #error "MBEDTLS_PSA_ITS_FILE_C defined, but not all prerequisites"
@@ -641,6 +636,23 @@
 #error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
 #endif
 
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) &&                              \
+    ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
+#error "MBEDTLS_SSL_DTLS_CONNECTION_ID  defined, but not all prerequisites"
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)            &&                 \
+    defined(MBEDTLS_SSL_CID_IN_LEN_MAX) &&                 \
+    MBEDTLS_SSL_CID_IN_LEN_MAX > 255
+#error "MBEDTLS_SSL_CID_IN_LEN_MAX too large (max 255)"
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)            &&                  \
+    defined(MBEDTLS_SSL_CID_OUT_LEN_MAX) &&                 \
+    MBEDTLS_SSL_CID_OUT_LEN_MAX > 255
+#error "MBEDTLS_SSL_CID_OUT_LEN_MAX too large (max 255)"
+#endif
+
 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
 #error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"

features/mbedtls/inc/mbedtls/config.h

@@ -1342,6 +1342,34 @@
  */
 #define MBEDTLS_SSL_ALL_ALERT_MESSAGES
 
+/**
+ * \def MBEDTLS_SSL_DTLS_CONNECTION_ID
+ *
+ * Enable support for the DTLS Connection ID extension
+ * (version draft-ietf-tls-dtls-connection-id-05,
+ * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05)
+ * which allows to identify DTLS connections across changes
+ * in the underlying transport.
+ *
+ * Setting this option enables the SSL APIs `mbedtls_ssl_set_cid()`,
+ * `mbedtls_ssl_get_peer_cid()` and `mbedtls_ssl_conf_cid()`.
+ * See the corresponding documentation for more information.
+ *
+ * \warning The Connection ID extension is still in draft state.
+ *          We make no stability promises for the availability
+ *          or the shape of the API controlled by this option.
+ *
+ * The maximum lengths of outgoing and incoming CIDs can be configured
+ * through the options
+ * - MBEDTLS_SSL_CID_OUT_LEN_MAX
+ * - MBEDTLS_SSL_CID_IN_LEN_MAX.
+ *
+ * Requires: MBEDTLS_SSL_PROTO_DTLS
+ *
+ * Uncomment to enable the Connection ID extension.
+ */
+//#define MBEDTLS_SSL_DTLS_CONNECTION_ID
+
 /**
  * \def MBEDTLS_SSL_ASYNC_PRIVATE
  *
@@ -1742,18 +1770,27 @@
 /**
  * \def MBEDTLS_USE_PSA_CRYPTO
  *
- * Make the X.509 and TLS library use PSA for cryptographic operations, see
- * #MBEDTLS_PSA_CRYPTO_C.
+ * Make the X.509 and TLS library use PSA for cryptographic operations, and
+ * enable new APIs for using keys handled by PSA Crypto.
+ *
+ * \note Development of this option is currently in progress, and parts
+ * of the X.509 and TLS modules are not ported to PSA yet. However, these parts
+ * will still continue to work as usual, so enabling this option should not
+ * break backwards compatibility.
  *
- * Note: this option is still in progress, the full X.509 and TLS modules are
- * not covered yet, but parts that are not ported to PSA yet will still work
- * as usual, so enabling this option should not break backwards compatibility.
+ * \warning The PSA Crypto API is in beta stage. While you're welcome to
+ * experiment using it, incompatible API changes are still possible, and some
+ * parts may not have reached the same quality as the rest of Mbed TLS yet.
  *
- * \warning  Support for PSA is still an experimental feature.
- *           Any public API that depends on this option may change
- *           at any time until this warning is removed.
+ * \warning This option enables new Mbed TLS APIs that are dependent on the
+ * PSA Crypto API, so can't come with the same stability guarantees as the
+ * rest of the Mbed TLS APIs. You're welcome to experiment with them, but for
+ * now, access to these APIs is opt-in (via enabling the present option), in
+ * order to clearly differentiate them from the stable Mbed TLS APIs.
  *
  * Requires: MBEDTLS_PSA_CRYPTO_C.
+ *
+ * Uncomment this to enable internal use of PSA Crypto and new associated APIs.
  */
 //#define MBEDTLS_USE_PSA_CRYPTO
 
@@ -2789,19 +2826,16 @@
  *
  * Enable the Platform Security Architecture cryptography API.
  *
- * \note This option only has an effect when the build option
- * USE_CRYPTO_SUBMODULE is also in use.
- *
- * \warning This feature is experimental and available on an opt-in basis only.
- * PSA APIs are subject to change at any time. The implementation comes with
- * less assurance and support than the rest of Mbed TLS.
+ * \warning The PSA Crypto API is still beta status. While you're welcome to
+ * experiment using it, incompatible API changes are still possible, and some
+ * parts may not have reached the same quality as the rest of Mbed TLS yet.
  *
  * Module:  crypto/library/psa_crypto.c
  *
  * Requires: MBEDTLS_CTR_DRBG_C, MBEDTLS_ENTROPY_C
  *
  */
-//#define MBEDTLS_PSA_CRYPTO_C
+#define MBEDTLS_PSA_CRYPTO_C
 
 /**
  * \def MBEDTLS_PSA_CRYPTO_STORAGE_C
@@ -3323,6 +3357,37 @@
  */
 //#define MBEDTLS_SSL_IN_CONTENT_LEN              16384
 
+/** \def MBEDTLS_SSL_CID_IN_LEN_MAX
+ *
+ * The maximum length of CIDs used for incoming DTLS messages.
+ *
+ */
+//#define MBEDTLS_SSL_CID_IN_LEN_MAX 32
+
+/** \def MBEDTLS_SSL_CID_OUT_LEN_MAX
+ *
+ * The maximum length of CIDs used for outgoing DTLS messages.
+ *
+ */
+//#define MBEDTLS_SSL_CID_OUT_LEN_MAX 32
+
+/** \def MBEDTLS_SSL_CID_PADDING_GRANULARITY
+ *
+ * This option controls the use of record plaintext padding
+ * when using the Connection ID extension in DTLS 1.2.
+ *
+ * The padding will always be chosen so that the length of the
+ * padded plaintext is a multiple of the value of this option.
+ *
+ * Note: A value of \c 1 means that no padding will be used
+ *       for outgoing records.
+ *
+ * Note: On systems lacking division instructions,
+ *       a power of two should be preferred.
+ *
+ */
+//#define MBEDTLS_SSL_CID_PADDING_GRANULARITY 16
+
 /** \def MBEDTLS_SSL_OUT_CONTENT_LEN
  *
  * Maximum length (in bytes) of outgoing plaintext fragments.

features/mbedtls/inc/mbedtls/error.h

@@ -100,8 +100,8 @@
  * ECP       4   10 (Started from top)
  * MD        5   5
  * HKDF      5   1 (Started from top)
- * CIPHER    6   8
- * SSL       6   23 (Started from top)
+ * CIPHER    6   8 (Started from 0x6080)
+ * SSL       6   24 (Started from top, plus 0x6000)
  * SSL       7   32
  *
  * Module dependent error code (5 bits 0x.00.-0x.F8.)